From 7c9f88be0bc86aba3c0143d2dc7a4f98df123cd9 Mon Sep 17 00:00:00 2001 From: winlin Date: Tue, 18 Jan 2022 12:04:15 +0800 Subject: [PATCH] Eliminate unused *.as files for Adobe Flash. v5.0.22 --- trunk/doc/CHANGELOG.md | 1 + .../players/srs_bwt/.actionScriptProperties | 41 - trunk/research/players/srs_bwt/.project | 17 - .../players/srs_bwt/release/srs_bwt.swf | Bin 7180 -> 0 bytes .../players/srs_bwt/src/SrsBandwidth.as | 576 -- .../players/srs_bwt/src/srs.bandwidth.js | 234 - trunk/research/players/srs_bwt/src/srs_bwt.as | 186 - .../srs_player/.actionScriptProperties | 44 - trunk/research/players/srs_player/.project | 17 - .../org.eclipse.core.resources.prefs | 3 - .../players/srs_player/release/srs_player.swf | Bin 52087 -> 0 bytes .../players/srs_player/src/HlsNetStream.as | 5374 ----------------- .../research/players/srs_player/src/Player.as | 210 - .../players/srs_player/src/Utility.as | 51 - .../players/srs_player/src/srs_player.as | 668 -- .../srs_publisher/.actionScriptProperties | 40 - trunk/research/players/srs_publisher/.project | 17 - .../org.eclipse.core.resources.prefs | 3 - .../srs_publisher/release/srs_publisher.swf | Bin 5641 -> 0 bytes .../srs_publisher/src/srs_publisher.as | 462 -- .../srs_reuse_conn/.actionScriptProperties | 41 - .../research/players/srs_reuse_conn/.project | 17 - .../org.eclipse.core.resources.prefs | 3 - .../players/srs_reuse_conn/FlashCS5UI.swc | Bin 121293 -> 0 bytes .../srs_reuse_conn/release/srs_reuse_conn.swf | Bin 27452 -> 0 bytes .../srs_reuse_conn/src/srs_reuse_conn.as | 123 - trunk/src/core/srs_core_version5.hpp | 2 +- 27 files changed, 2 insertions(+), 8128 deletions(-) delete mode 100755 trunk/research/players/srs_bwt/.actionScriptProperties delete mode 100755 trunk/research/players/srs_bwt/.project delete mode 100755 trunk/research/players/srs_bwt/release/srs_bwt.swf delete mode 100755 trunk/research/players/srs_bwt/src/SrsBandwidth.as delete mode 100755 trunk/research/players/srs_bwt/src/srs.bandwidth.js delete mode 100755 trunk/research/players/srs_bwt/src/srs_bwt.as delete mode 100755 trunk/research/players/srs_player/.actionScriptProperties delete mode 100755 trunk/research/players/srs_player/.project delete mode 100755 trunk/research/players/srs_player/.settings/org.eclipse.core.resources.prefs delete mode 100644 trunk/research/players/srs_player/release/srs_player.swf delete mode 100755 trunk/research/players/srs_player/src/HlsNetStream.as delete mode 100644 trunk/research/players/srs_player/src/Player.as delete mode 100644 trunk/research/players/srs_player/src/Utility.as delete mode 100755 trunk/research/players/srs_player/src/srs_player.as delete mode 100755 trunk/research/players/srs_publisher/.actionScriptProperties delete mode 100755 trunk/research/players/srs_publisher/.project delete mode 100755 trunk/research/players/srs_publisher/.settings/org.eclipse.core.resources.prefs delete mode 100755 trunk/research/players/srs_publisher/release/srs_publisher.swf delete mode 100755 trunk/research/players/srs_publisher/src/srs_publisher.as delete mode 100755 trunk/research/players/srs_reuse_conn/.actionScriptProperties delete mode 100755 trunk/research/players/srs_reuse_conn/.project delete mode 100644 trunk/research/players/srs_reuse_conn/.settings/org.eclipse.core.resources.prefs delete mode 100644 trunk/research/players/srs_reuse_conn/FlashCS5UI.swc delete mode 100644 trunk/research/players/srs_reuse_conn/release/srs_reuse_conn.swf delete mode 100644 trunk/research/players/srs_reuse_conn/src/srs_reuse_conn.as diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md index 837d5180f..2b73287c5 100644 --- a/trunk/doc/CHANGELOG.md +++ b/trunk/doc/CHANGELOG.md @@ -8,6 +8,7 @@ The changelog for SRS. ## SRS 5.0 Changelog +* v5.0, 2022-01-18, Eliminate unused *.as files for Adobe Flash. v5.0.22 * v5.0, 2022-01-13, Switch LICENSE from MIT to **MIT or MulanPSL-2.0**. v5.0.21 * v5.0, 2021-10-24, For [#2689](https://github.com/ossrs/srs/issues/2689): Support loongarch, loongson CPU. v5.0.19 * v5.0, 2021-10-17, Support daemon(fork twice) for Darwin/OSX [ST#23](https://github.com/ossrs/state-threads/issues/23). v5.0.18 diff --git a/trunk/research/players/srs_bwt/.actionScriptProperties b/trunk/research/players/srs_bwt/.actionScriptProperties deleted file mode 100755 index 1a4d9fa33..000000000 --- a/trunk/research/players/srs_bwt/.actionScriptProperties +++ /dev/null @@ -1,41 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/trunk/research/players/srs_bwt/.project b/trunk/research/players/srs_bwt/.project deleted file mode 100755 index 240a737f9..000000000 --- a/trunk/research/players/srs_bwt/.project +++ /dev/null @@ -1,17 +0,0 @@ - - - srs_bwt - - - - - - com.adobe.flexbuilder.project.flexbuilder - - - - - - com.adobe.flexbuilder.project.actionscriptnature - - diff --git 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zqS1d%Gde$ZfjKc{G)gTi917+rZhI$Z!MKo5)HMqJ`+~cA9+cNA`Mj|$Z|uk$JM+e_ zym4OMxFBG|rT%p=Dsfjg!{~a&%E;@vglFUpD15FBzr4S>&=p@Y^A=RrSB};W@dWr5 zDhVa($Hx9HFIvmz8L3v_{yt^1`2bvALK# z`P&e%JV!GaBas^K^>_&3)W94`5Y%J)gFDl6&^IDE@;m?Li~cs;9ju9=%Z7u$QHq*w0ipg OzF&{6|9=4;N(RX#iZkf| diff --git a/trunk/research/players/srs_bwt/src/SrsBandwidth.as b/trunk/research/players/srs_bwt/src/SrsBandwidth.as deleted file mode 100755 index 6ffd7dcf7..000000000 --- a/trunk/research/players/srs_bwt/src/SrsBandwidth.as +++ /dev/null @@ -1,576 +0,0 @@ -// -// Copyright (c) 2013-2021 Winlin -// -// SPDX-License-Identifier: MIT -// -package -{ - import flash.events.NetStatusEvent; - import flash.external.ExternalInterface; - import flash.net.NetConnection; - import flash.net.NetStream; - import flash.net.ObjectEncoding; - import flash.utils.clearTimeout; - import flash.utils.setTimeout; - - /** - * SRS bandwidth check/test library, - * user can copy this file and use it directly, - * this library will export as callback functions, and js callback functions. - * - * Usage: - * var bandwidth:SrsBandwidth = new SrsBandwidth(); - * bandwidth.initialize(......); // required - * bandwidth.check_bandwidth(......); // required - * bandwidth.stop(); // optional - * - * @remark we donot use event, but use callback functions set by initialize. - */ - public class SrsBandwidth - { - /** - * server notice client to do the downloading/play bandwidth test. - */ - public static const StatusSrsBwtcPlayStart:String = "srs.bwtc.play.start"; - /** - * server notice client to complete the downloading/play bandwidth test. - */ - public static const StatusSrsBwtcPlayStop:String = "srs.bwtc.play.stop"; - /** - * server notice client to do the uploading/publish bandwidth test. - */ - public static const StatusSrsBwtcPublishStart:String = "srs.bwtc.publish.start"; - /** - * server notice client to complete the uploading/publish bandwidth test. - */ - public static const StatusSrsBwtcPublishStop:String = "srs.bwtc.publish.stop"; - - /** - * constructor, do nothing - */ - public function SrsBandwidth() - { - } - - /** - * initialize the bandwidth test tool, the callbacks. null to ignore. - * - * the as callbacks. - * @param as_on_ready, function():void, callback when bandwidth tool is ready to run. - * @param as_on_status_change, function(code:String, data:String):void, where: - * code can be: - * "NetConnection.Connect.Failed", see NetStatusEvent(evt.info.code). - * "NetConnection.Connect.Rejected", see NetStatusEvent(evt.info.code). - * "NetConnection.Connect.Success", see NetStatusEvent(evt.info.code). - * "NetConnection.Connect.Closed", see NetStatusEvent(evt.info.code). - * SrsBandwidth.StatusSrsBwtcPlayStart, "srs.bwtc.play.start", when srs start test play bandwidth. - * SrsBandwidth.StatusSrsBwtcPlayStop, "srs.bwtc.play.stop", when srs complete test play bandwidth. - * SrsBandwidth.StatusSrsBwtcPublishStart, "srs.bwtc.publish.start", when srs start test publish bandwidth. - * SrsBandwidth.StatusSrsBwtcPublishStop, "srs.bwtc.publish.stop", when srs complete test publish bandwidth. - * data is extra parameter: - * kbps, for code is SrsBandwidth.StatusSrsBwtcPlayStop or SrsBandwidth.StatusSrsBwtcPublishStop. - * "", otherwise empty string. - * @param as_on_progress_change, function(percent:Number):void, where: - * percent, the progress percent, 0 means 0%, 100 means 100%. - * @param as_on_srs_info, function(srs_server:String, srs_primary:String, srs_authors:String, srs_id:String, srs_pid:String, srs_server_ip:String):void, where: - * srs_server: the srs server info. - * srs_primary: the srs primary authors info. - * srs_authors: the srs authors info. - * srs_id: the tracable log id, to direclty grep the log. - * srs_pid: the srs process id, to direclty grep the log. - * srs_server_ip: the srs server ip, where client connected at. - * @param as_on_complete, function(start_time:Number, end_time:Number, play_kbps:Number, publish_kbps:Number, play_bytes:Number, publish_bytes:Number, play_time:Number, publish_time:Number):void, where - * start_time, the start timestamp, in ms. - * end_time, the finish timestamp, in ms. - * play_kbps, the play/downloading kbps. - * publish_kbps, the publish/uploading kbps. - * play_bytes, the bytes play/download from server, in bytes. - * publish_bytes, the bytes publish/upload to server, in bytes. - * play_time, the play/download duration time, in ms. - * publish_time, the publish/upload duration time, in ms. - * - * the js callback id. - * @param js_id, specifies the id of swfobject, used to identify the bandwidth object. - * for all js callback, the first param always be the js_id, to identify the callback object. - * - * the js callbacks. - * @param js_on_ready, function(js_id:String):void, callback when bandwidth tool is ready to run. - * @param js_on_status_change, function(js_id:String, code:String, data:String):void - * @param as_on_progress_change, function(js_id:String, percent:Number):void - * @param as_on_srs_info, function(js_id:String, srs_server:String, srs_primary:String, srs_authors:String, srs_id:String, srs_pid:String, srs_server_ip:String):void - * @param as_on_complete, function(js_id:String, start_time:Number, end_time:Number, play_kbps:Number, publish_kbps:Number, play_bytes:Number, publish_bytes:Number, play_time:Number, publish_time:Number):void - * - * the js export functions. - * @param js_export_check_bandwidth, function(url:String):void, for js to start bandwidth check, @see: check_bandwidth(url:String):void - * @param js_export_stop, function():void, for js to stop bandwidth check, @see: stop():void - * - * @remark, all parameters can be null. - * @remark, as and js callback use same parameter, except that the js calblack first parameter is js_id:String. - */ - public function initialize( - as_on_ready:Function, as_on_status_change:Function, as_on_progress_change:Function, as_on_srs_info:Function, as_on_complete:Function, - js_id:String, js_on_ready:String, js_on_status_change:String, js_on_progress_change:String, js_on_srs_info:String, js_on_complete:String, - js_export_check_bandwidth:String, js_export_stop:String - ):void { - this.as_on_ready = as_on_ready; - this.as_on_srs_info = as_on_srs_info; - this.as_on_status_change = as_on_status_change; - this.as_on_progress_change = as_on_progress_change; - this.as_on_complete = as_on_complete; - - this.js_id = js_id; - this.js_on_srs_info = js_on_srs_info; - this.js_on_ready = js_on_ready; - this.js_on_status_change = js_on_status_change; - this.js_on_progress_change = js_on_progress_change; - this.js_on_complete = js_on_complete; - - this.js_export_check_bandwidth = js_export_check_bandwidth; - this.js_export_stop = js_export_stop; - - flash.utils.setTimeout(this.system_on_js_ready, 0); - } - - /** - * start check bandwidth. - * @param url, a String indicates the url to check bandwidth, - * format as: rtmp://server:port/app?key=xxx&&vhost=xxx - * for example, rtmp://dev:1935/app?key=35c9b402c12a7246868752e2878f7e0e&vhost=bandcheck.srs.com - * where the key and vhost must be config in SRS, like: - * vhost bandcheck.srs.com { - * enabled on; - * chunk_size 65000; - * bandcheck { - * enabled on; - * key "35c9b402c12a7246868752e2878f7e0e"; - * interval 30; - * limit_kbps 4000; - * } - * } - * - * @remark user must invoke this as method, or js exported method. - */ - public function check_bandwidth(url:String):void { - this.js_call_check_bandwidth(url); - } - - /** - * stop check bancwidth. - * @remark it's optional, however, user can abort the bandwidth check. - */ - public function stop():void { - this.js_call_stop(); - } - - ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - 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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - - /** - * *********************************************************************** - * private section, including private fields, method and embeded classes. - * *********************************************************************** - */ - - /** - * as callback. - */ - private var as_on_ready:Function; - private var as_on_srs_info:Function; - private var as_on_status_change:Function; - private var as_on_progress_change:Function; - private var as_on_complete:Function; - - /** - * js callback. - */ - private var js_id:String; - private var js_on_ready:String; - private var js_on_srs_info:String; - private var js_on_status_change:String; - private var js_on_progress_change:String; - private var js_on_complete:String; - - /** - * js export functions. - */ - private var js_export_check_bandwidth:String; - private var js_export_stop:String; - - /** - * srs debug infos - */ - private var srs_server:String = null; - private var srs_primary:String = null; - private var srs_authors:String = null; - private var srs_id:String = null; - private var srs_pid:String = null; - private var srs_server_ip:String = null; - - /** - * the underlayer connection, to send call message to do the bandwidth - * check/test with server. - */ - private var connection:NetConnection = null; - // for bms4, use stream to play then do bandwidth test. - private var stream:NetStream = null; - - /** - * use timeout to sendout publish call packets. - * when got stop publish packet from server, stop publish call loop. - */ - private var publish_timeout_handler:uint = 0; - - /** - * system callack event, when js ready, register callback for js. - * the actual main function. - */ - private function system_on_js_ready():void { - if (!flash.external.ExternalInterface.available) { - log("js not ready, try later."); - flash.utils.setTimeout(this.system_on_js_ready, 100); - return; - } - - if (this.js_export_check_bandwidth != null) { - flash.external.ExternalInterface.addCallback(this.js_export_check_bandwidth, this.js_call_check_bandwidth); - } - if (this.js_export_stop != null) { - flash.external.ExternalInterface.addCallback(this.js_export_stop, this.js_call_stop); - } - - if (as_on_ready != null) { - as_on_ready(); - } - if (js_on_ready != null) { - flash.external.ExternalInterface.call(this.js_on_ready, this.js_id); - } - } - private function js_call_check_bandwidth(url:String):void { - js_call_stop(); - - __on_progress_change(0); - - // init connection - log("create connection for bandwidth check"); - connection = new NetConnection; - connection.objectEncoding = ObjectEncoding.AMF0; - connection.client = { - onStatus: onStatus, - // play - onSrsBandCheckStartPlayBytes: onSrsBandCheckStartPlayBytes, - onSrsBandCheckPlaying: onSrsBandCheckPlaying, - onSrsBandCheckStopPlayBytes: onSrsBandCheckStopPlayBytes, - // publish - onSrsBandCheckStartPublishBytes: onSrsBandCheckStartPublishBytes, - onSrsBandCheckStopPublishBytes: onSrsBandCheckStopPublishBytes, - onSrsBandCheckFinished: onSrsBandCheckFinished - }; - connection.addEventListener(NetStatusEvent.NET_STATUS, onStatus); - connection.connect(url); - - __on_progress_change(3); - } - private function js_call_stop():void { - if (connection) { - connection.close(); - connection = null; - } - } - - /** - * NetConnection callback this function, when recv server call "onSrsBandCheckStartPlayBytes" - * then start @updatePlayProgressTimer for updating the progressbar - * */ - private function onSrsBandCheckStartPlayBytes(evt:Object):void{ - var duration_ms:Number = evt.duration_ms; - var interval_ms:Number = evt.interval_ms; - log("start play test, duration=" + duration_ms + ", interval=" + interval_ms); - - connection.call("onSrsBandCheckStartingPlayBytes", null); - __on_status_change(SrsBandwidth.StatusSrsBwtcPlayStart); - - __on_progress_change(10); - } - private function onSrsBandCheckPlaying(evt:Object):void{ - } - private function onSrsBandCheckStopPlayBytes(evt:Object):void{ - var duration_ms:Number = evt.duration_ms; - var interval_ms:Number = evt.interval_ms; - var duration_delta:Number = evt.duration_delta; - var bytes_delta:Number = evt.bytes_delta; - - var kbps:Number = 0; - if(duration_delta > 0){ - kbps = bytes_delta * 8.0 / duration_delta; // b/ms == kbps - } - kbps = (int(kbps * 10))/10.0; - - flash.utils.setTimeout(stopPlayTest, 0); - __on_status_change(SrsBandwidth.StatusSrsBwtcPlayStop, String(kbps)); - - __on_progress_change(40); - } - private function stopPlayTest():void{ - connection.call("onSrsBandCheckStoppedPlayBytes", null); - } - /** - * publishing methods. - */ - private function onSrsBandCheckStartPublishBytes(evt:Object):void{ - var duration_ms:Number = evt.duration_ms; - var interval_ms:Number = evt.interval_ms; - - connection.call("onSrsBandCheckStartingPublishBytes", null); - - flash.utils.setTimeout(publisher, 0); - __on_status_change(SrsBandwidth.StatusSrsBwtcPublishStart); - - __on_progress_change(60); - } - private function publisher():void{ - var data:Array = new Array(); - - /** - * the data size cannot too large, it will increase the test time. - * server need atleast got one packet, then timeout to stop the publish. - * - * cannot too small neither, it will limit the max publish kbps. - * - * the test values: - * test_s test_s - * data_size max_publish_kbps (no limit) (limit upload to 5KBps) - * 100 2116 6.5 7.3 - * 200 4071 6.5 7.7 - * 300 6438 6.5 10.3 - * 400 9328 6.5 10.2 - * 500 10377 6.5 10.0 - * 600 13737 6.5 10.8 - * 700 15635 6.5 12.0 - * 800 18103 6.5 14.0 - * 900 20484 6.5 14.2 - * 1000 21447 6.5 16.8 - */ - var data_size:int = 900; - for(var i:int; i < data_size; i++) { - data.push("SrS band check data from client's publishing......"); - } - - connection.call("onSrsBandCheckPublishing", null, data); - - publish_timeout_handler = flash.utils.setTimeout(publisher, 0); - } - private function onSrsBandCheckStopPublishBytes(evt:Object):void{ - var duration_ms:Number = evt.duration_ms; - var interval_ms:Number = evt.interval_ms; - var duration_delta:Number = evt.duration_delta; - var bytes_delta:Number = evt.bytes_delta; - - var kbps:Number = 0; - if(duration_delta > 0){ - kbps = bytes_delta * 8.0 / duration_delta; // b/ms == kbps - } - kbps = (int(kbps * 10))/10.0; - - stopPublishTest(); - - __on_progress_change(90); - } - private function stopPublishTest():void{ - // the stop publish response packet can not send out, for the queue is full. - //connection.call("onSrsBandCheckStoppedPublishBytes", null); - - // clear the timeout to stop the send loop. - if (publish_timeout_handler > 0) { - flash.utils.clearTimeout(publish_timeout_handler); - publish_timeout_handler = 0; - } - } - private function onSrsBandCheckFinished(evt:Object):void{ - var start_time:Number = evt.start_time; - var end_time:Number = evt.end_time; - var play_kbps:Number = evt.play_kbps; - var publish_kbps:Number = evt.publish_kbps; - var play_bytes:Number = evt.play_bytes; - var play_time:Number = evt.play_time; - var publish_bytes:Number = evt.publish_bytes; - var publish_time:Number = evt.publish_time; - - if (this.as_on_complete != null) { - this.as_on_complete(start_time, end_time, play_kbps, publish_kbps, play_bytes, publish_bytes, play_time, publish_time); - } - if (this.js_on_complete != null) { - flash.external.ExternalInterface.call(this.js_on_complete, this.js_id, - start_time, end_time, play_kbps, publish_kbps, play_bytes, publish_bytes, play_time, publish_time); - } - - __on_progress_change(100); - - // when got finish packet, directly close connection. - js_call_stop(); - - // the last final packet can not send out, for the queue is full. - //connection.call("finalClientPacket", null); - } - - /** - * get NetConnection NetStatusEvent - */ - private function onStatus(evt:NetStatusEvent): void { - log(evt.info.code); - - var srs_version:String = null; - if (evt.info.hasOwnProperty("data") && evt.info.data) { - if (evt.info.data.hasOwnProperty("srs_server")) { - srs_server = evt.info.data.srs_server; - } - if (evt.info.data.hasOwnProperty("srs_primary")) { - srs_primary = evt.info.data.srs_primary; - } - if (evt.info.data.hasOwnProperty("srs_authors")) { - srs_authors = evt.info.data.srs_authors; - } - if (evt.info.data.hasOwnProperty("srs_id")) { - srs_id = evt.info.data.srs_id; - } - if (evt.info.data.hasOwnProperty("srs_pid")) { - srs_pid = evt.info.data.srs_pid; - } - if (evt.info.data.hasOwnProperty("srs_server_ip")) { - srs_server_ip = evt.info.data.srs_server_ip; - } - if (evt.info.data.hasOwnProperty("srs_version")) { - srs_version = evt.info.data.srs_version; - } - - if (this.as_on_srs_info != null) { - this.as_on_srs_info(srs_server, srs_primary, srs_authors, srs_id, srs_pid, srs_server_ip); - } - if (this.js_on_srs_info != null) { - flash.external.ExternalInterface.call(this.js_on_srs_info, this.js_id, - srs_server, srs_primary, srs_authors, srs_id, srs_pid, srs_server_ip); - } - } - - var e:NetStatusEvent = evt; - var foo:Function = function():void{ - var evt:NetStatusEvent = e; - if (evt.info.code) { - __on_status_change(evt.info.code); - } - switch(evt.info.code){ - case "NetConnection.Connect.Success": - __on_progress_change(8); - break; - } - }; - foo(); - - // for bms4, play stream to trigger the bandwidth check. - if (evt.info.code != "NetConnection.Connect.Success") { - return; - } - if (stream != null) { - return; - } - - var is_bms:Boolean = false; - if (srs_server.indexOf("BMS/") == 0 || srs_server.indexOf("UPYUN/") == 0) { - is_bms = true; - } - if (parseInt(srs_version.charAt(0)) >= 4 && is_bms) { - stream = new NetStream(connection); - stream.addEventListener(NetStatusEvent.NET_STATUS, function(evt:NetStatusEvent):void{ - log(evt.info.code); - - if (evt.info.code == "NetStream.Play.Start") { - } - }); - stream.play("test"); - log("play stream for " + srs_server + " " + srs_version); - return; - } - } - - /** - * invoke the callback. - */ - private function __on_progress_change(percent:Number):void { - if (this.as_on_progress_change != null) { - this.as_on_progress_change(percent); - } - if (this.js_on_progress_change != null) { - flash.external.ExternalInterface.call(this.js_on_progress_change, this.js_id, - percent); - } - } - private function __on_status_change(code:String, data:String=""):void { - if (this.as_on_status_change != null) { - this.as_on_status_change(code, data); - } - if (this.js_on_status_change != null) { - flash.external.ExternalInterface.call(this.js_on_status_change, this.js_id, - code, data); - } - } - - private function log(msg:String):void { - trace(msg); - if (ExternalInterface.available) { - ExternalInterface.call("console.log", msg); - } - } - } -} diff --git a/trunk/research/players/srs_bwt/src/srs.bandwidth.js b/trunk/research/players/srs_bwt/src/srs.bandwidth.js deleted file mode 100755 index ce24b9430..000000000 --- a/trunk/research/players/srs_bwt/src/srs.bandwidth.js +++ /dev/null @@ -1,234 +0,0 @@ -// -// Copyright (c) 2013-2021 Winlin -// -// SPDX-License-Identifier: MIT -// -/** -* the SrsBandwidth library for js to do bandwidth test. -* @param container the html container id. -* @param width a float value specifies the width of bandwidth. -* @param height a float value specifies the height of bandwidth. -* @param private_object [optional] an object that used as private object, -* for example, the logic chat object which owner this bandwidth. -* Usage: - var bandwidth = new SrsBandwidth("container_id", 100, 1); - bandwidth.on_bandwidth_ready = function() { - // auto start check bandwidth when tool is ready. - this.check_bandwidth(url); - } - bandwidth.on_update_progress = function(percent) { - // console.log(percent + "%"); - } - bandwidth.on_update_status = function(status) { - // console.log(status); - } - bandwidth.on_srs_info = function(srs_server, srs_primary, srs_authors, srs_id, srs_pid, srs_server_ip) { - // console.log( - // "server:" + srs_server + ", primary:" + srs_primary + ", authors:" + srs_authors + - // ", srs_id:" + srs_id + ", srs_pid:" + srs_pid + ", ip:" + srs_server_ip - //); - } - bandwidth.render("rtmp://dev:1935/app?key=35c9b402c12a7246868752e2878f7e0e&vhost=bandcheck.srs.com"); -* where the HTML page must contains an element: -
-* this js will directly erase the container by swfobject. -*/ -function SrsBandwidth(container, width, height, private_object) { - if (!SrsBandwidth.__id) { - SrsBandwidth.__id = 100; - } - if (!SrsBandwidth.__bandwidths) { - SrsBandwidth.__bandwidths = []; - } - - SrsBandwidth.__bandwidths.push(this); - - this.private_object = private_object; - this.container = container; - this.width = width; - this.height = height; - this.id = SrsBandwidth.__id++; - this.stream_url = null; - this.callbackObj = null; - - // the callback set data. - this.percent = 0; - this.status = ""; - this.server = ""; - this.completed = false; -} -/** -* user can set some callback, then start the bandwidth. -* @param url the bandwidth test url. -* callbacks: -* on_bandwidth_ready():void, when srs bandwidth ready, user can play. -* on_update_progress(percent:Number):void, when srs bandwidth update the progress. -* percent:Number 100 means 100%. -* on_update_status(status:String):void, when srs bandwidth update the status. -* status:String the human readable status text. -*/ -SrsBandwidth.prototype.render = function(url) { - if (url) { - this.stream_url = url; - } - - // embed the flash. - var flashvars = {}; - flashvars.id = this.id; - flashvars.on_bandwidth_ready = "__srs_on_bandwidth_ready"; - flashvars.on_update_progress = "__srs_on_update_progress"; - flashvars.on_update_status = "__srs_on_update_status"; - flashvars.on_srs_info = "__srs_on_srs_info"; - flashvars.on_complete = "__srs_on_complete"; - - var params = {}; - params.wmode = "opaque"; - params.allowFullScreen = "true"; - params.allowScriptAccess = "always"; - - var attributes = {}; - - var self = this; - - swfobject.embedSWF( - "srs_bwt/release/srs_bwt.swf?_version="+srs_get_version_code(), - this.container, - this.width, this.height, - "11.1.0", "js/AdobeFlashbandwidthInstall.swf", - flashvars, params, attributes, - function(callbackObj){ - self.callbackObj = callbackObj; - } - ); - - return this; -} -/** -* play the stream. -* @param stream_url the url of stream, rtmp or http. -*/ -SrsBandwidth.prototype.check_bandwidth = function(url) { - this.stop(); - SrsBandwidth.__bandwidths.push(this); - - // the callback set data. - this.percent = 0; - this.status = ""; - this.server = ""; - this.completed = false; - - if (url) { - this.stream_url = url; - } - - this.callbackObj.ref.__check_bandwidth(this.stream_url); -} -SrsBandwidth.prototype.stop = function(url) { - for (var i = 0; i < SrsBandwidth.__bandwidths.length; i++) { - var bandwidth = SrsBandwidth.__bandwidths[i]; - - if (bandwidth.id != this.id) { - continue; - } - - SrsBandwidth.__bandwidths.splice(i, 1); - break; - } - - this.callbackObj.ref.__stop(); -} -SrsBandwidth.prototype.on_bandwidth_ready = function() { -} -SrsBandwidth.prototype.on_update_progress = function(percent) { -} -SrsBandwidth.prototype.on_update_status = function(status) { -} -SrsBandwidth.prototype.on_srs_info = function(srs_server, srs_primary, srs_authors, srs_id, srs_pid, srs_server_ip) { -} -SrsBandwidth.prototype.on_complete = function(start_time, end_time, play_kbps, publish_kbps, play_bytes, publish_bytes, play_time, publish_time) { -} -SrsBandwidth.prototype.on_error = function(code) { -} -function __srs_find_bandwidth(id) { - for (var i = 0; i < SrsBandwidth.__bandwidths.length; i++) { - var bandwidth = SrsBandwidth.__bandwidths[i]; - - if (bandwidth.id != id) { - continue; - } - - return bandwidth; - } - - throw new Error("bandwidth not found. id=" + id); -} -function __srs_on_bandwidth_ready(id) { - var bandwidth = __srs_find_bandwidth(id); - bandwidth.on_bandwidth_ready(); -} -function __srs_on_update_progress(id, percent) { - var bandwidth = __srs_find_bandwidth(id); - bandwidth.percent = percent; - bandwidth.on_update_progress(percent); -} -function __srs_on_update_status(id, code, data) { - var bandwidth = __srs_find_bandwidth(id); - - var status = ""; - switch(code){ - case "NetConnection.Connect.Failed": - if (bandwidth.completed) { - return; - } - bandwidth.on_error(code); - status = "连接服务器失败！"; - break; - case "NetConnection.Connect.Rejected": - if (bandwidth.completed) { - return; - } - bandwidth.completed = true; - bandwidth.on_update_progress(100); - bandwidth.on_error(code); - status = "服务器拒绝连接，测速过于频繁！"; - break; - case "NetConnection.Connect.Success": - status = "连接服务器成功!"; - break; - case "NetConnection.Connect.Closed": - if (bandwidth.completed) { - return; - } - bandwidth.on_error(code); - status = "连接已断开!"; - break; - case "srs.bwtc.play.start": - status = "开始测试下行带宽"; - break; - case "srs.bwtc.play.stop": - bandwidth.completed = true; - status = "下行带宽测试完毕，" + data + "kbps，开始测试上行带宽。"; - break; - default: - return; - } - - bandwidth.status = status; - bandwidth.on_update_status(status); -} -function __srs_on_srs_info(id, srs_server, srs_primary, srs_authors, srs_id, srs_pid, srs_server_ip) { - var bandwidth = __srs_find_bandwidth(id); - bandwidth.status = status; - bandwidth.server = srs_server_ip; - bandwidth.on_srs_info(srs_server, srs_primary, srs_authors, srs_id, srs_pid, srs_server_ip); -} -function __srs_on_complete(id, start_time, end_time, play_kbps, publish_kbps, play_bytes, publish_bytes, play_time, publish_time) { - var bandwidth = __srs_find_bandwidth(id); - - var status = "检测结束: " + bandwidth.server + " 上行: " + publish_kbps + " kbps" + " 下行: " + play_kbps + " kbps" - + " 测试时间: " + Number((end_time - start_time) / 1000).toFixed(1) + " 秒"; - bandwidth.status = status; - bandwidth.on_update_status(status); - - bandwidth.on_complete(start_time, end_time, play_kbps, publish_kbps, play_bytes, publish_bytes, play_time, publish_time); -} diff --git a/trunk/research/players/srs_bwt/src/srs_bwt.as b/trunk/research/players/srs_bwt/src/srs_bwt.as deleted file mode 100755 index eb59e1df4..000000000 --- a/trunk/research/players/srs_bwt/src/srs_bwt.as +++ /dev/null @@ -1,186 +0,0 @@ -// -// Copyright (c) 2013-2021 Winlin -// -// SPDX-License-Identifier: MIT -// -package -{ - import flash.display.LoaderInfo; - import flash.display.Sprite; - import flash.display.StageAlign; - import flash.display.StageScaleMode; - import flash.events.Event; - import flash.events.NetStatusEvent; - import flash.events.TimerEvent; - import flash.external.ExternalInterface; - import flash.net.NetConnection; - import flash.net.ObjectEncoding; - import flash.system.System; - import flash.ui.ContextMenu; - import flash.ui.ContextMenuItem; - import flash.utils.Timer; - import flash.utils.setTimeout; - - public class srs_bwt extends Sprite - { - /** - * the SRS bandwidth check/test library object. - */ - private var bandwidth:SrsBandwidth = new SrsBandwidth(); - - /** - * when not specifies any param, directly run the swf. - */ - private var default_url:String = "rtmp://dev:1935/app?key=35c9b402c12a7246868752e2878f7e0e&vhost=bandcheck.srs.com"; - - public function srs_bwt() - { - if (!this.stage) { - this.addEventListener(Event.ADDED_TO_STAGE, this.system_on_add_to_stage); - } else { - this.system_on_add_to_stage(null); - } - } - private function system_on_add_to_stage(evt:Event):void { - this.stage.scaleMode = StageScaleMode.NO_SCALE; - this.stage.align = StageAlign.TOP_LEFT; - - // init context menu - var myMenu:ContextMenu = new ContextMenu(); - myMenu.hideBuiltInItems(); - myMenu.customItems.push(new ContextMenuItem("SRS带宽测试工具", true)); - this.contextMenu = myMenu; - - check_bandwidth(); - } - - private function check_bandwidth():void { - // closure - var self:srs_bwt = this; - - ///////////////////////////////////////////////////////////////////// - // initialize the bandwidth check/test library - ///////////////////////////////////////////////////////////////////// - // js callback, set to null if ignore. - var conf:Object = this.root.loaderInfo.parameters; - var js_id:String = conf.id? conf.id:null; - var js_on_ready:String = conf.on_bandwidth_ready? conf.on_bandwidth_ready:null; - var js_on_srs_info:String = conf.on_srs_info? conf.on_srs_info:null; - var js_on_progress_change:String = conf.on_update_progress? conf.on_update_progress:null; - var js_on_status_change:String = conf.on_update_status? conf.on_update_status:null; - var js_on_complete:String = conf.on_complete? conf.on_complete:null; - - // js export, set to null to disable - var js_export_check_bandwidth:String = "__check_bandwidth"; - var js_export_stop:String = "__stop"; - - // as callback, set to null if ignore. - var as_on_ready:Function = function():void { - self.on_ready(); - }; - var as_on_status_change:Function = function(code:String, data:String):void { - self.on_status_change(code, data); - }; - var as_on_progress_change:Function = function(percent:Number):void { - self.on_progress(percent); - }; - var as_on_srs_info:Function = function(srs_server:String, srs_primary:String, srs_authors:String, srs_id:String, srs_pid:String, srs_server_ip:String):void { - self.update_context_items(srs_server, srs_primary, srs_authors, srs_id, srs_pid, srs_server_ip); - }; - var as_on_complete:Function = function(start_time:Number, end_time:Number, play_kbps:Number, publish_kbps:Number, play_bytes:Number, publish_bytes:Number, play_time:Number, publish_time:Number):void { - self.on_complete(start_time, end_time, play_kbps, publish_kbps, play_bytes, publish_bytes, play_time, publish_time); - }; - - bandwidth.initialize( - as_on_ready, as_on_status_change, as_on_progress_change, as_on_srs_info, as_on_complete, - js_id, js_on_ready, js_on_status_change, js_on_progress_change, js_on_srs_info, js_on_complete, - js_export_check_bandwidth, js_export_stop - ); - ///////////////////////////////////////////////////////////////////// - } - - private function on_ready():void { - var conf:Object = this.root.loaderInfo.parameters; - - // for directly run swf. - if (!conf.id) { - log("directly run swf, load default url: " + this.default_url); - this.bandwidth.check_bandwidth(this.default_url); - } - - } - private function on_progress(percent:Number):void { - log("progress:" + percent + "%"); - } - private function update_context_items( - srs_server:String, srs_primary:String, srs_authors:String, - srs_id:String, srs_pid:String, srs_server_ip:String - ):void { - // for context menu - var customItems:Array = [new ContextMenuItem("SrsPlayer")]; - if (srs_server != null) { - customItems.push(new ContextMenuItem("Server: " + srs_server)); - } - if (srs_primary != null) { - customItems.push(new ContextMenuItem("Primary: " + srs_primary)); - } - if (srs_authors != null) { - customItems.push(new ContextMenuItem("Authors: " + srs_authors)); - } - if (srs_server_ip != null) { - customItems.push(new ContextMenuItem("SrsIp: " + srs_server_ip)); - } - if (srs_pid != null) { - customItems.push(new ContextMenuItem("SrsPid: " + srs_pid)); - } - if (srs_id != null) { - customItems.push(new ContextMenuItem("SrsId: " + srs_id)); - } - contextMenu.customItems = customItems; - } - public function on_status_change(code:String, data:String): void { - log(code); - switch(code){ - case "NetConnection.Connect.Failed": - log("连接服务器失败！"); - break; - case "NetConnection.Connect.Rejected": - log("服务器拒绝连接！"); - break; - case "NetConnection.Connect.Success": - log("连接服务器成功!"); - break; - case SrsBandwidth.StatusSrsBwtcPlayStart: - log("开始测试下行带宽"); - break; - case SrsBandwidth.StatusSrsBwtcPlayStop: - log("下行带宽测试完毕，" + data + "kbps，开始测试上行带宽。"); - break; - case SrsBandwidth.StatusSrsBwtcPublishStart: - log("开始测试上行带宽"); - break; - case SrsBandwidth.StatusSrsBwtcPublishStop: - log("上行带宽测试完毕，" + data + "kbps，"); - break; - case "NetConnection.Connect.Closed": - log("连接已断开!"); - break; - } - } - private function on_complete( - start_time:Number, end_time:Number, play_kbps:Number, publish_kbps:Number, - play_bytes:Number, publish_bytes:Number, play_time:Number, publish_time:Number - ):void { - var status:String = "检测结束: 上行: " + publish_kbps + " kbps" + " 下行: " + play_kbps + " kbps" - + " 测试时间: " + Number((end_time - start_time) / 1000).toFixed(1) + " 秒"; - log(status); - } - - private function log(msg:String):void { - trace(msg); - if (ExternalInterface.available) { - ExternalInterface.call("console.log", msg); - } - } - } -} diff --git a/trunk/research/players/srs_player/.actionScriptProperties b/trunk/research/players/srs_player/.actionScriptProperties deleted file mode 100755 index 1908de474..000000000 --- a/trunk/research/players/srs_player/.actionScriptProperties +++ /dev/null @@ -1,44 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/trunk/research/players/srs_player/.project b/trunk/research/players/srs_player/.project deleted file mode 100755 index 87ed06163..000000000 --- a/trunk/research/players/srs_player/.project +++ /dev/null @@ -1,17 +0,0 @@ - - - srs_player - - - - - - com.adobe.flexbuilder.project.flexbuilder - - - - - - com.adobe.flexbuilder.project.actionscriptnature - - diff --git a/trunk/research/players/srs_player/.settings/org.eclipse.core.resources.prefs b/trunk/research/players/srs_player/.settings/org.eclipse.core.resources.prefs deleted file mode 100755 index fc698988d..000000000 --- a/trunk/research/players/srs_player/.settings/org.eclipse.core.resources.prefs +++ /dev/null @@ -1,3 +0,0 @@ -#Wed Dec 18 10:07:19 CST 2013 -eclipse.preferences.version=1 -encoding/=utf-8 diff --git a/trunk/research/players/srs_player/release/srs_player.swf b/trunk/research/players/srs_player/release/srs_player.swf deleted file mode 100644 index 3294a43a4371c6fd3d9a4752d06ac053af266ca3..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 52087 zcmV(=K-s@TS5pp1bO8W(0i1mad|Xxa|J=9Co0+Ul(==@<9on)K(q#4}5NO&arPw7l zDWDLB$t=mxWM-I|BrS-)fRsf6QJ}~ohDA}?5djgQh@v83+6w#x#IlH}U`KumiYWi@ zx%a(U(n-tTd@}F6yWe~6cJ4Xnp10Mcylyhpe#>NPW~SA%=9x^U|C#+XGntOdMC0w7 zR(IRCjtnQW?QnG*Ih4z#+uPd4$H!a8-L0w2V4E`-47NF3Z7$bx#8{r)mdu5>E>C8c z9COENW{$L$7=|B(4~LV3qv65W@m(8u>VlisF`PqtMhES#7Q4&g z^od%K=W%U>+!AE#KIp&WO||u-^EPZ;-qYFJd&D1)M}C^CO*>O 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zpA-q7^(}@|#xrWgaWEOp+pQ)e zin}%Gz3}d4@BRp~& z$@hmd!(taXJB;1qJdk-j9g^aO)mXaGUKpmM)OS1!!!V+kAyvRxn;~z2vo1r~0q0lh zzA#%Hrk#mUL0=N4;l1ABii$8Fseib{R)!(CQHSjxZC@%mQJq6ngCNXoqw64-Mxm=m zgs!28q==71HXu2S8wg!*48uN&o7^TIVS|(0W(pD}5J0%YiGtJ3PP9%c(k>opqZ4Tl z4|8IHc3+qu<=Fl(tR{zZ*8cTWsSXm@_yiOXu<*3@yDJ^UK_H4STw#)d6C47JM!cDJ zG`+>ov1F_3DQ{04O`nF@voJr4J`dAc_^rxbaL*%r2@xKJ%nrQd7^bpUVH`DYL)lUD z9wtfQgwrhv^uX;5X(22fbY{rqa2`v_Za8-`)V*-JGPFbaY-WD)l=THa*UaMf5QK%2 z+1wsNx6=%BVPk<$ttihzP?4pXC7fF9JC}~2UX~9%PP&lcamc{HW0jS|qyqW~wy;*_ z!-$Nqg@sSQRT3m@VWEyy1i`QXmRVGE6(DX{pdZ`H{CIIcW}E==?V5b>?RqKzA^Ch( z$BWSC6!>c@@KaU7*8_Pm1@1I&w2W~F%!98P@Q?d-f!^!;9_aTJIQJTR3fR5^ z&O8SSh*h3pIVf=Se+Kb=!vb(iH$>UJzHS=C^@umFWFs_MX(-nha9e4|;S6WUXW=9= zl&f%{V@xhoGsv8PoF_3K!=KR1&VWyAdFgU ztMECG^Bk&+4XNw`MW(g;B{qMq|CP$F7DW10>UXsUxp0$XD!W!dTN%wN#$y@`&yCWq z7qIIEk&TeE3VS}>sK~rh>_!2Z_2y>FZWcJKenu|x!t9u1@o>o1OgtzT-j#9mzFiP6 z9wZrL(lWeOK(<=3UBFiLek?(wmO}KipEw>5S7mFt5li zUXc|}MfRetxS0{O+di`7VIvmN@^O3!F++mGs=;Dm9XrH?id~3i{g$iL?3A_o39NoX zWUG?2Gz%Wv3Lc|2W=Bwt5=g^xhH0GOGMt6|sLoDKNawn*m86|b@Zct>>=MVFnqa*o z+U7UYz9N2gY0pidD`1_qOrZA@>lmuuge(ybA>88=l3KP&6VTH@al*w{;Y$yW6dpbG zo_6u~6bCO`zXbk_i?4R+75>zF*2UMjc$J%y{>H^ux_B)m-Xg@cyf7vGQ;2KzCv5!v zxt;n0mK~-(DAIxpplx$0)e5hVuRj^9ms7NbJ!D7z3JrxmNyZ#`8w$P{3~xog(jo=L z1@A_tX~omDcO$ zP;45_%+E3+bJNhiP^^roFJ?yOrJ?=pc~}k2Kn6xcRqd_jkk{oI$KBM>Qj6T!a$!6PCV3PhH@iGX_eI1$VZ zMwY*cAO{2|iQq&qvce&tE*lk!o#i= 0) { - var uv:URLVariables = new URLVariables(uri.substr(uri.indexOf("?") + 1)); - var obj:Object = {}; - for (var k:String in uv) { - var v:String = uv[k]; - if (k == "shp_sip1") { - obj.srs_server_ip = v; - } else if (k == "shp_cid") { - obj.srs_id = v; - } else if (k == "shp_pid") { - obj.srs_pid = v; - } - //log("uv[" + k + "]=" + v); - } - - // ignore when not changed. - if (!metadata || metadata.srs_server_ip != obj.srs_server_ip || metadata.srs_id != obj.srs_id || metadata.srs_pid != obj.srs_pid) { - if (client && client.hasOwnProperty("onMetaData")) { - log("got metadata for url " + uri); - client.onMetaData(obj); - } - } - metadata = obj; - } - - download(uri, function(stream:ByteArray):void{ - log("got ts seqno=" + parsed_ts_seq_no + ", " + stream.length + " bytes"); - - var flv:FlvPiece = new FlvPiece(parsed_ts_seq_no); - var body:ByteArray = new ByteArray(); - stream.position = 0; - hls.parseBodyAsync(flv, stream, body, function():void{ - body.position = 0; - //log("ts parsed, seqno=" + parsed_ts_seq_no + ", flv=" + body.length + "B"); - onFlvBody(uri, body); - - parsed_ts_seq_no++; - setTimeout(refresh_ts, 0); - }); - }); - } - private function download(uri:String, completed:Function):void { - // http get. - var url:URLStream = new URLStream(); - var stream:ByteArray = new ByteArray(); - - url.addEventListener(ProgressEvent.PROGRESS, function(evt:ProgressEvent):void { - if (url.bytesAvailable <= 0) { - return; - } - - //log(uri + " total=" + evt.bytesTotal + ", loaded=" + evt.bytesLoaded + ", available=" + url.bytesAvailable); - var bytes:ByteArray = new ByteArray(); - url.readBytes(bytes, 0, url.bytesAvailable); - stream.writeBytes(bytes); - }); - - url.addEventListener(Event.COMPLETE, function(evt:Event):void { - log(uri + " completed, total=" + stream.length + "bytes"); - if (url.bytesAvailable <= 0) { - completed(stream); - return; - } - - //log(uri + " completed" + ", available=" + url.bytesAvailable); - var bytes:ByteArray = new ByteArray(); - url.readBytes(bytes, 0, url.bytesAvailable); - stream.writeBytes(bytes); - - completed(stream); - }); - - url.addEventListener(IOErrorEvent.IO_ERROR, function(evt:IOErrorEvent):void{ - onPlayFailed(evt); - }); - - url.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function(evt:SecurityErrorEvent):void{ - onPlayRejected(evt); - }); - - // we set to the query. - uri += ((uri.indexOf("?") == -1)? "?":"&") + "shp_xpsid=" + XPlaybackSessionId; - var r:URLRequest = new URLRequest(uri); - // seems flash not allow set this header. - // @remark disable it for it will cause security exception. - //r.requestHeaders.push(new URLRequestHeader("X-Playback-Session-Id", XPlaybackSessionId)); - - log("start download " + uri); - url.load(r); - } - - // the uuid similar to Safari, to identify this play session. - // @see https://github.com/winlinvip/srs-plus/blob/bms/trunk/src/app/srs_app_http_stream.cpp#L45 - public var XPlaybackSessionId:String = createRandomIdentifier(32); - - private function createRandomIdentifier(length:uint, radix:uint = 61):String { - var characters:Array = new Array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', - 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', - 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', - 'z'); - var id:Array = new Array(); - radix = (radix > 61) ? 61 : radix; - while (length--) { - id.push(characters[randomIntegerWithinRange(0, radix)]); - } - return id.join(''); - } - - private function randomIntegerWithinRange(min:int, max:int):int { - return Math.floor(Math.random() * (1 + max - min) + min); - } - - // callback for hls. - public var flvHeader:ByteArray = null; - public function onSequenceHeader():void { - var s:NetStream = super; - s.appendBytesAction(NetStreamAppendBytesAction.RESET_BEGIN); - s.appendBytes(flvHeader); - log("FLV: sps/pps " + flvHeader.length + " bytes"); - - writeFlv(flvHeader); - onPlayStart(); - } - - private function onPlayStart():void { - log("dispatch NetStream.Play.Start."); - dispatchEvent(new NetStatusEvent(NetStatusEvent.NET_STATUS, false, false, { - code: "NetStream.Play.Start", - stream: user_url, - descrption: "play start" - })); - } - - private function onPlayFailed(evt:IOErrorEvent):void { - log("dispatch NetConnection.Connect.Failed."); - this.conn.dispatchEvent(new NetStatusEvent(NetStatusEvent.NET_STATUS, false, false, { - code: "NetConnection.Connect.Failed", - stream: user_url, - descrption: evt.text - })); - } - - private function onPlayRejected(evt:SecurityErrorEvent):void { - log("dispatch NetConnection.Connect.Rejected."); - this.conn.dispatchEvent(new NetStatusEvent(NetStatusEvent.NET_STATUS, false, false, { - code: "NetConnection.Connect.Rejected", - stream: user_url, - descrption: evt.text - })); - } - - private function onFlvBody(uri:String, flv:ByteArray):void { - if (!flvHeader) { - return; - } - - var s:NetStream = super; - s.appendBytes(flv); - log("FLV: ts " + uri + " parsed to flv " + flv.length + " bytes"); - - writeFlv(flv); - } - - private function writeFlv(data:ByteArray):void { - return; - - var r:URLRequest = new URLRequest("http://192.168.1.117:8088/api/v1/flv"); - r.method = URLRequestMethod.POST; - r.data = data; - - var pf:URLLoader = new URLLoader(); - pf.dataFormat = URLLoaderDataFormat.BINARY; - pf.load(r); - } - - private function log(msg:String):void { - msg = "[" + new Date() +"][srs-player] " + msg; - - trace(msg); - - if (!flash.external.ExternalInterface.available) { - return; - } - - ExternalInterface.call("console.log", msg); - } - } -} - -import flash.events.Event; -import flash.net.URLLoader; -import flash.net.URLRequest; -import flash.net.URLRequestMethod; -import flash.utils.ByteArray; - -/** - * the hls main class. - */ -class HlsCodec -{ - private var m3u8:M3u8; - - private var avc:SrsRawH264Stream; - private var h264_sps:ByteArray; - private var h264_pps:ByteArray; - - private var aac:SrsRawAacStream; - private var aac_specific_config:ByteArray; - private var width:int; - private var height:int; - - private var video_sh_tag:ByteArray; - private var audio_sh_tag:ByteArray; - - private var owner:HlsNetStream; - private var _log:ILogger = new TraceLogger("HLS"); - - public static const SRS_TS_PACKET_SIZE:int = 188; - - public function HlsCodec(o:HlsNetStream) - { - owner = o; - m3u8 = new M3u8(this); - - reset(); - } - - /** - * parse the m3u8. - * @param url, the m3u8 url, for m3u8 to generate the ts url. - * @param v, the m3u8 string. - */ - public function parse(url:String, v:String):void - { - // TODO: FIXME: reset the hls when parse. - m3u8.parse(url, v); - } - - /** - * get the total count of ts in m3u8. - */ - public function get tsCount():Number - { - return m3u8.tsCount; - } - - /** - * get the total duration in seconds of m3u8. - */ - public function get duration():Number - { - return m3u8.duration; - } - - /** - * get the sequence number, the id of first ts. - */ - public function get seq_no():Number - { - return m3u8.seq_no; - } - - /** - * whether the m3u8 contains variant m3u8. - */ - public function get variant():Boolean - { - return m3u8.variant; - } - - /** - * dumps the metadata, for example, set the width and height, - * which is decoded from sps. - */ - public function dumpMetaData(metadata:Object):void - { - if (width > 0) { - metadata.width = width; - } - if (height > 0) { - metadata.height = height; - } - } - - /** - * get the ts url by piece id, which is actually the piece index. - */ - public function getTsUrl(pieceId:Number):String - { - return m3u8.getTsUrl(pieceId); - } - - /** - * reset the HLS when parse m3u8. - */ - public function reset():void - { - avc = new SrsRawH264Stream(); - h264_sps = new ByteArray(); - h264_pps = new ByteArray(); - - aac = new SrsRawAacStream(); - aac_specific_config = new ByteArray(); - - width = 0; - height = 0; - - video_sh_tag = new ByteArray(); - audio_sh_tag = new ByteArray(); - } - - /** - * parse the piece in hls format, - * set the piece.skip if error. - * @param onParsed, a function(piece:FlvPiece, body:ByteArray):void callback. - */ - public function parseBodyAsync(piece:FlvPiece, data:ByteArray, body:ByteArray, onParsed:Function):void - { - var handler:SrsTsHanlder = new SrsTsHanlder( - avc, aac, - h264_sps, h264_pps, - aac_specific_config, - video_sh_tag, audio_sh_tag, - this, body, - _on_size_changed, _on_sequence_changed - ); - - // the context used to parse the whole ts file. - var context:SrsTsContext = new SrsTsContext(this); - - // we assumpt to parse the piece in 10 times. - // the total parse time is 10*AlgP2P.HlsAsyncParseTimeout - var ts_packets:uint = data.length / SRS_TS_PACKET_SIZE; - var each_parse:uint = ts_packets / 10; - var nb_parsed:uint = 0; - var aysncParse:Function = function():void { - try { - // do the parse. - doParseBody(piece, data, body, handler, context, each_parse); - - // check whether parsed. - nb_parsed += each_parse; - - if (nb_parsed < ts_packets) { - flash.utils.setTimeout(aysncParse, owner.ts_parse_async_interval); - return; - } - - // flush the messages in queue. - handler.flush_message_queue(body); - - __report(body); - _log.info("hls async parsed to flv, piece={0}, hls={1}B, flv={2}B", piece.pieceId, data.length, body.length); - } catch (e:Error) { - piece.skip = true; - _log.error("hls async parse piece={0}, exception={1}, stack={2}", - piece.pieceId, e.message, e.getStackTrace()); - } - - onParsed(piece, body); - }; - - aysncParse(); - } - - /** - * parse the piece in hls format, - * set the piece.skip if error. - */ - public function parseBody(piece:FlvPiece, data:ByteArray, body:ByteArray):void - { - try { - var handler:SrsTsHanlder = new SrsTsHanlder( - avc, aac, - h264_sps, h264_pps, - aac_specific_config, - video_sh_tag, audio_sh_tag, - this, body, - _on_size_changed, _on_sequence_changed - ); - - // the context used to parse the whole ts file. - var context:SrsTsContext = new SrsTsContext(this); - - // do the parse. - doParseBody(piece, data, body, handler, context, -1); - - // flush the messages in queue. - handler.flush_message_queue(body); - - __report(body); - _log.info("hls sync parsed to flv, piece={0}, hls={1}B, flv={2}B", piece.pieceId, data.length, body.length); - } catch (e:Error) { - piece.skip = true; - _log.error("hls sync parse piece={0}, exception={1}, stack={2}", - piece.pieceId, e.message, e.getStackTrace()); - } - } - - private function _on_size_changed(w:int, h:int):void - { - width = w; - height = h; - } - - private function _on_sequence_changed( - pavc:SrsRawH264Stream, paac:SrsRawAacStream, - ph264_sps:ByteArray, ph264_pps:ByteArray, - paac_specific_config:ByteArray, - pvideo_sh_tag:ByteArray, paudio_sh_tag:ByteArray, - sh:ByteArray):void - { - // when sequence header not changed, ignore. - if (SrsUtils.array_equals(h264_sps, ph264_sps)) { - if (SrsUtils.array_equals(h264_pps, ph264_pps)) { - if (SrsUtils.array_equals(aac_specific_config, paac_specific_config)) { - return; - } - } - } - - avc = pavc; - h264_sps = ph264_sps; - h264_pps = ph264_pps; - - aac = paac; - aac_specific_config = paac_specific_config; - - video_sh_tag = pvideo_sh_tag; - audio_sh_tag = paudio_sh_tag; - - _log.info("hls: got sequence header, ash={0}B, bsh={1}B", audio_sh_tag.length, video_sh_tag.length); - owner.flvHeader = sh; - owner.onSequenceHeader(); - - __report(sh); - } - - /** - * do the parse. - * @maxTsPackets the max ts packets to parse, stop when exceed this ts packet. - * -1 to parse all packets. - */ - private function doParseBody( - piece:FlvPiece, data:ByteArray, body:ByteArray, - handler:SrsTsHanlder, context:SrsTsContext, maxTsPackets:int):void - { - for (var i:int = 0; (maxTsPackets == -1 || i < maxTsPackets) && data.bytesAvailable > 0; i++) { - var tsBytes:ByteArray = new ByteArray(); - data.readBytes(tsBytes, 0, HlsCodec.SRS_TS_PACKET_SIZE); - context.decode(tsBytes, handler); - } - } - - private function __report(flv:ByteArray):void - { - // report only for debug. - return; - - var url:URLRequest = new URLRequest("http://192.168.10.108:1980/api/v3/file"); - url.data = flv; - url.method = URLRequestMethod.POST; - - var loader:URLLoader = new URLLoader(); - loader.addEventListener(Event.COMPLETE, function(e:Event):void { - loader.close(); - }); - loader.load(url); - } -} - -import flash.utils.Dictionary; - -class Dict -{ - private var _dict:Dictionary; - private var _size:uint; - - public function Dict() - { - clear(); - } - - /** - * get the underlayer dict. - * @remark for core-ng. - */ - public function get dict():Dictionary - { - return _dict; - } - - public function has(key:Object):Boolean - { - return (key in _dict); - } - - public function get(key:Object):Object - { - return ((key in _dict) ? _dict[key] : null); - } - - public function set(key:Object, object:Object):void - { - if (!(key in _dict)) - { - _size++; - } - _dict[key] = object; - } - - public function remove(key:Object):Object - { - var object:Object; - if (key in _dict) - { - object = _dict[key]; - delete _dict[key]; - _size--; - } - return (object); - } - - public function keys():Array - { - var array:Array = new Array(_size); - var index:int; - for (var key:Object in _dict) - { - var _local6:int = index++; - array[_local6] = key; - } - return (array); - } - - public function values():Array - { - var array:Array = new Array(_size); - var index:int; - for each (var value:Object in _dict) - { - var _local6:int = index++; - array[_local6] = value; - }; - return (array); - } - - public function clear():void - { - _dict = new Dictionary(); - _size = 0; - } - - public function toArray():Array - { - var array:Array = new Array(_size * 2); - var index:int; - for (var key:Object in _dict) - { - var _local6:int = index++; - array[_local6] = key; - var _local7:int = index++; - array[_local7] = _dict[key]; - }; - return (array); - } - - public function toObject():Object - { - return (toArray()); - } - - public function fromObject(object:Object):void - { - clear(); - var index:uint; - while (index < (object as Array).length) { - set((object as Array)[index], (object as Array)[(index + 1)]); - index += 2; - }; - } - - public function get size():uint - { - return (_size); - } - -} - -import flash.utils.ByteArray; - -/** - * a piece of flv, fetch from cdn or p2p. - */ -class FlvPiece -{ - private var _pieceId:Number; - protected var _flv:ByteArray; - /** - * the private object for the channel, - * for example, the cdn channel will set to CdnEdge object. - */ - private var _privateObject:Object; - /** - * when encoder error, this piece cannot be generated, - * and it should be skip. default to false. - */ - private var _skip:Boolean; - - public function FlvPiece(pieceId:Number) - { - _pieceId = pieceId; - _flv = null; - _skip = false; - } - - /** - * when piece is fetch ok. - */ - public function onPieceDone(flv:ByteArray):void - { - // save body. - _flv = flv; - } - - /** - * when piece is fetch error. - */ - public function onPieceError():void - { - } - - /** - * when piece is empty. - */ - public function onPieceEmpty():void - { - } - - /** - * destroy the object, set reference to null. - */ - public function destroy():void - { - _privateObject = null; - _flv = null; - } - - public function get privateObject():Object - { - return _privateObject; - } - - public function set privateObject(v:Object):void - { - _privateObject = v; - } - - public function get skip():Boolean - { - return _skip; - } - - public function set skip(v:Boolean):void - { - _skip = v; - } - - public function get pieceId():Number - { - return _pieceId; - } - - public function get flv():ByteArray - { - return _flv; - } - - public function get completed():Boolean - { - return _flv != null; - } -} - -interface ILogger -{ - function debug0(message:String, ... rest):void; - function debug(message:String, ... rest):void; - function info(message:String, ... rest):void; - function warn(message:String, ... rest):void; - function error(message:String, ... rest):void; - function fatal(message:String, ... rest):void; -} - -import flash.globalization.DateTimeFormatter; -import flash.external.ExternalInterface; - -class TraceLogger implements ILogger -{ - private var _category:String; - - public function get category():String - { - return _category; - } - public function TraceLogger(category:String) - { - _category = category; - } - public function debug0(message:String, ...rest):void - { - } - - public function debug(message:String, ...rest):void - { - } - - public function info(message:String, ...rest):void - { - logMessage(LEVEL_INFO, message, rest); - } - - public function warn(message:String, ...rest):void - { - logMessage(LEVEL_WARN, message, rest); - } - - public function error(message:String, ...rest):void - { - logMessage(LEVEL_ERROR, message, rest); - } - - public function fatal(message:String, ...rest):void - { - logMessage(LEVEL_FATAL, message, rest); - } - protected function logMessage(level:String, message:String, params:Array):void - { - var msg:String = ""; - - // add datetime - var date:Date = new Date(); - var dtf:DateTimeFormatter = new DateTimeFormatter("UTC"); - dtf.setDateTimePattern("yyyy-MM-dd HH:mm:ss"); - - // TODO: FIXME: the SSS format not run, use date.milliseconds instead. - msg += '[' + dtf.format(date) + "." + date.milliseconds + ']'; - msg += " [" + level + "] "; - - // add category and params - msg += "[" + category + "] " + applyParams(message, params); - - // trace the message - trace(msg); - - if (!flash.external.ExternalInterface.available) { - return; - } - - ExternalInterface.call("console.log", msg); - } - private function leadingZeros(x:Number):String - { - if (x < 10) { - return "00" + x.toString(); - } - - if (x < 100) { - return "0" + x.toString(); - } - - return x.toString(); - } - private function applyParams(message:String, params:Array):String - { - var result:String = message; - - var numParams:int = params.length; - - for (var i:int = 0; i < numParams; i++) { - result = result.replace(new RegExp("\\{" + i + "\\}", "g"), params[i]); - } - return result; - } - - private static const LEVEL_DEBUG:String = "DEBUG"; - private static const LEVEL_WARN:String = "WARN"; - private static const LEVEL_INFO:String = "INFO"; - private static const LEVEL_ERROR:String = "ERROR"; - private static const LEVEL_FATAL:String = "FATAL"; -} - -import flash.utils.ByteArray; - -class SrsTsHanlder implements ISrsTsHandler -{ - private var avc:SrsRawH264Stream; - private var h264_sps:ByteArray; - private var h264_pps:ByteArray; - private var h264_sps_changed:Boolean; - private var h264_pps_changed:Boolean; - - private var aac:SrsRawAacStream; - private var aac_specific_config:ByteArray; - private var width:int; - private var height:int; - - private var video_sh_tag:ByteArray; - private var audio_sh_tag:ByteArray; - - private var queue:Array; - - // hls data. - private var _hls:HlsCodec; - private var _body:ByteArray; - private var _on_size_changed:Function; - private var _on_sequence_changed:Function; - - private var _log:ILogger = new TraceLogger("HLS"); - - public function SrsTsHanlder( - pavc:SrsRawH264Stream, paac:SrsRawAacStream, - ph264_sps:ByteArray, ph264_pps:ByteArray, - paac_specific_config:ByteArray, - pvideo_sh_tag:ByteArray, paudio_sh_tag:ByteArray, - hls:HlsCodec, body:ByteArray, oszc:Function, oshc:Function) - { - _hls = hls; - _body = body; - _on_size_changed = oszc; - _on_sequence_changed = oshc; - - avc = pavc; - h264_sps = ph264_sps; - h264_pps = ph264_pps; - - aac = paac; - aac_specific_config = paac_specific_config; - - video_sh_tag = pvideo_sh_tag; - audio_sh_tag = paudio_sh_tag; - - queue = new Array(); - width = 0; - height = 0; - h264_sps_changed = false; - h264_pps_changed = false; - } - - public function on_ts_message(msg:SrsTsMessage):void - { - do_on_ts_message(msg, _body); - } - - private function do_on_ts_message(msg:SrsTsMessage, body:ByteArray):void - { - // @see SrsMpegtsOverUdp::on_ts_message - if (false) { - _log.info("got ts {4} message, dts={0}, pts={1}, size={2}/{3}", - msg.dts, msg.pts, msg.PES_packet_length, msg.payload.length, - (msg.channel.apply.equals(SrsTsPidApply.Video)? "Video":"Audio")); - } else { - _log.debug("got ts {4} message, dts={0}, pts={1}, size={2}/{3}", - msg.dts, msg.pts, msg.PES_packet_length, msg.payload.length, - (msg.channel.apply.equals(SrsTsPidApply.Video)? "Video":"Audio")); - } - - // when not audio/video, or not adts/annexb format, donot support. - if (msg.stream_number() != 0) { - throw new Error("mpegts: unsupported stream format, sid=" + msg.stream_number()); - } - - // check supported codec - if (msg.channel.stream != SrsTsStream.VideoH264 && msg.channel.stream != SrsTsStream.AudioAAC) { - throw new Error("mpegts: unsupported stream codec=" + msg.channel.stream.toString()); - } - - // we must use queue to cache the msg, then parse it if possible. - queue.push(msg); - parse_message_queue(body); - } - - private function parse_message_queue(body:ByteArray):void - { - if (queue.length == 0) { - return; - } - - var first_ts_msg:SrsTsMessage = queue[0] as SrsTsMessage; - var context:SrsTsContext = first_ts_msg.channel.context; - var cpa:Boolean = context.is_pure_audio(); - - var nb_videos:uint = 0; - if (!cpa) { - for (var i:int = 0; i < queue.length; i++) { - var msg:SrsTsMessage = queue[i] as SrsTsMessage; - - // publish audio or video. - if (msg.channel.stream == SrsTsStream.VideoH264) { - nb_videos++; - } - } - - // always wait 2+ videos, to left one video in the queue. - // TODO: FIXME: support pure audio hls. - if (nb_videos <= 1) { - return; - } - } - - // we must sort the adio and videos, for they maybe not monotonically increase. - queue.sort(function(a:SrsTsMessage, b:SrsTsMessage):int{ - return a.dts - b.dts; - }); - - // parse messages util the last video. - while ((cpa && queue.length > 1) || nb_videos > 1) { - if (queue.length == 0) { - throw new Error("assert queue not empty."); - } - - msg = queue[0] as SrsTsMessage; - if (msg.channel.stream == SrsTsStream.VideoH264) { - nb_videos--; - } - queue.splice(0, 1); - - // publish audio or video. - if (msg.channel.stream == SrsTsStream.VideoH264) { - on_ts_video(msg, body); - } - if (msg.channel.stream == SrsTsStream.AudioAAC) { - on_ts_audio(msg, body); - } - } - } - - public function flush_message_queue(body:ByteArray):void - { - for (var i:int = 0; i < queue.length; i++) { - var msg:SrsTsMessage = queue[i] as SrsTsMessage; - - // publish audio or video. - if (msg.channel.stream == SrsTsStream.VideoH264) { - on_ts_video(msg, body); - } - if (msg.channel.stream == SrsTsStream.AudioAAC) { - on_ts_audio(msg, body); - } - } - - // clear queue. - queue = new Array(); - } - - private function on_ts_video(msg:SrsTsMessage, body:ByteArray):void - { - // ts tbn to flv tbn. - var dts:uint = (uint)(msg.dts / 90); - var pts:uint = (uint)(msg.pts / 90); - - var ibps:ByteArray = new ByteArray(); - var frame_type:uint = SrsConsts.SrsCodecVideoAVCFrameInterFrame; - - // each frame must prefixed by annexb format. - // first check the msg.payload outside the while cycle, to avoid throw error inside. - // if msg.payload not startwith annexb, just return. - var annexb:Object = SrsUtils.srs_avc_startswith_annexb(msg.payload); - if (!annexb.ok) { - _log.warn("msg.payload not startwith annexb, drop size={0}B, dts={1}", msg.payload.length, dts); - return; - } - - // group each NALU frame to a RTMP/flv/ts message - while (msg.payload.bytesAvailable) { - var frame:ByteArray = avc.annexb_demux(msg.payload); - - // 5bits, 7.3.1 NAL unit syntax, - // H.264-AVC-ISO_IEC_14496-10.pdf, page 44. - // 7: SPS, 8: PPS, 5: I Frame, 1: P Frame - var nal_unit_type:uint = (uint)(frame[0] & 0x1f); - - // for IDR frame, the frame is keyframe. - if (nal_unit_type == SrsConsts.SrsAvcNaluTypeIDR) { - frame_type = SrsConsts.SrsCodecVideoAVCFrameKeyFrame; - } - - // ignore the nalu type aud(9) - if (nal_unit_type == SrsConsts.SrsAvcNaluTypeAccessUnitDelimiter) { - var aud_nalu:String = ""; - for (var i:int = 0; i < frame.length; i++) { - aud_nalu += " 0x" + int(frame[i]).toString(16); - } - _log.debug("hls, aud nalu: {0}", aud_nalu); - continue; - } - - // for sps - if (avc.is_sps(frame)) { - var sps:ByteArray = avc.sps_demux(frame); - - if (SrsUtils.array_equals(h264_sps, sps)) { - continue; - } - h264_sps = sps; - h264_sps_changed = true; - - // demux the sps, get the width x height. - avc_demux_sps(sps); - - if (false) { - _log.info("hls: got sps, size={0}B", sps.length); - } else { - _log.debug("hls: got sps, size={0}B", sps.length); - } - continue; - } - - // for pps - if (avc.is_pps(frame)) { - var pps:ByteArray = avc.pps_demux(frame); - - if (SrsUtils.array_equals(h264_pps, pps)) { - continue; - } - h264_pps = pps; - h264_pps_changed = true; - - if (false) { - _log.info("hls: got pps, size={0}B", pps.length); - } else { - _log.debug("hls: got pps, size={0}B", pps.length); - } - continue; - } - - // ibp frame. - //info("mpegts: demux avc ibp frame size=%d, dts=%d", ibpframe_size, dts); - var ibp:ByteArray = avc.mux_ipb_frame(frame); - ibps.writeBytes(ibp); - } - - write_h264_sps_pps(msg.channel.context, dts, pts); - write_h264_ipb_frame(ibps, frame_type, dts, pts, body); - } - - private function on_ts_audio(msg:SrsTsMessage, piece:ByteArray):void - { - // ts tbn to flv tbn. - var dts:uint = msg.dts / 90; - - // got the next message to calc the delta duration for each audio. - var duration:uint = 0; - if (queue.length > 0) { - var nm:SrsTsMessage = queue[0] as SrsTsMessage; - duration = (uint)(Math.max(0, nm.dts - msg.dts) / 90); - } - var min_dts:uint = dts; - var max_dts:uint = min_dts + duration; - - // send each frame. - while (msg.payload.bytesAvailable) { - var ret:Object = aac.adts_demux(msg.payload); - var frame:ByteArray = ret.frame; - var codec:SrsRawAacStreamCodec = ret.codec; - - // ignore invalid frame, - // * atleast 1bytes for aac to decode the data. - if (!frame.bytesAvailable) { - continue; - } - //info("mpegts: demux aac frame size=%d, dts=%d", frame_size, dts); - - // generate sh. - if (!aac_specific_config.length) { - aac_specific_config = aac.mux_sequence_header(codec); - codec.aac_packet_type = 0; - if (false) { - _log.info("hls: got audio specific config, size={0}B", aac_specific_config.length); - } else { - _log.debug("hls: got audio specific config, size={0}B", aac_specific_config.length); - } - - var tag_body:ByteArray = aac.mux_aac2flv(aac_specific_config, codec, dts); - audio_sh_tag = mux_flv_packet(SrsConsts.SrsCodecFlvTagAudio, dts, tag_body); - on_sequence_header(msg.channel.context); - } - - // audio raw data. - codec.aac_packet_type = 1; - write_audio_raw_frame(frame, codec, dts, piece); - - // calc the delta of dts, when previous frame output. - var delta:uint = duration / (msg.payload.length / frame.length); - dts = (uint)(Math.min(max_dts, dts + delta)); - - if (msg.payload.bytesAvailable) { - _log.debug("Audio [{0}, {1}], the A2+ is {2}", min_dts, max_dts, dts); - } - } - } - - private function write_audio_raw_frame(frame:ByteArray, codec:SrsRawAacStreamCodec, dts:uint, piece:ByteArray):void - { - var tag_body:ByteArray = aac.mux_aac2flv(frame, codec, dts); - var tag:ByteArray = mux_flv_packet(SrsConsts.SrsCodecFlvTagAudio, dts, tag_body); - - // append flv packet to piece. - piece.writeBytes(tag); - } - - private function avc_demux_sps(sps:ByteArray):void - { - sps.position = 0; - - if (false) { - var str:String = ""; - for (var i:int = 0; i < sps.length; i++) { - str += " 0x" + int(sps[i]).toString(16); - } - } - - var nalu_type:uint = sps.readUnsignedByte(); - if ((nalu_type & 0x1f) != SrsConsts.SrsAvcNaluTypeSPS) { - _log.warn("avc: sps nalu type invalid."); - return; - } - - var rbsp:ByteArray = new ByteArray(); - while (sps.bytesAvailable) { - rbsp.writeByte(sps.readByte()); - - // XX 00 00 03 XX, the 03 byte should be drop. - var nb_rbsp:uint = rbsp.length; - if (nb_rbsp > 2) { - var p2:uint = rbsp[nb_rbsp - 3]; - var p1:uint = rbsp[nb_rbsp - 2]; - var p0:uint = rbsp[nb_rbsp - 1]; - if (p2 == 0 && p1 == 0 && p0 == 3) { - rbsp.position = rbsp.length - 1; - - // read 1 byte more. - if (!sps.bytesAvailable) { - break; - } - rbsp.writeByte(sps.readByte()); - } - } - } - - try { - avc_demux_sps_rbsp(rbsp); - } catch (e:Error) { - _log.warn(e.message); - } - } - private function avc_demux_sps_rbsp(rbsp:ByteArray):void - { - rbsp.position = 0; - - // for SPS, 7.3.2.1.1 Sequence parameter set data syntax - // H.264-AVC-ISO_IEC_14496-10-2012.pdf, page 62. - if (rbsp.bytesAvailable < 3) { - _log.warn("avc: sps shall atleast 3bytes"); - return; - } - - var profile_idc:uint = rbsp.readUnsignedByte(); - var flags:uint = rbsp.readUnsignedByte(); - var level_idc:uint = rbsp.readUnsignedByte(); - - var bs:SrsBitStream = new SrsBitStream(rbsp); - var seq_parameter_set_id:uint = SrsUtils.srs_avc_nalu_read_uev(bs); - _log.debug("sps parse profile={0}, level={1}, sps_id={2}", profile_idc, level_idc, seq_parameter_set_id); - - if (profile_idc == 100 || profile_idc == 110 || profile_idc == 122 || profile_idc == 244 - || profile_idc == 44 || profile_idc == 83 || profile_idc == 86 || profile_idc == 118 - || profile_idc == 128 - ) { - var chroma_format_idc:int = SrsUtils.srs_avc_nalu_read_uev(bs); - if (chroma_format_idc == 3) { - var separate_colour_plane_flag:int = SrsUtils.srs_avc_nalu_read_bit(bs); - } - var bit_depth_luma_minus8:int = SrsUtils.srs_avc_nalu_read_uev(bs); - var bit_depth_chroma_minus8:int = SrsUtils.srs_avc_nalu_read_uev(bs); - var qpprime_y_zero_transform_bypass_flag:int = SrsUtils.srs_avc_nalu_read_bit(bs); - var seq_scaling_matrix_present_flag:int = SrsUtils.srs_avc_nalu_read_bit(bs); - if (seq_scaling_matrix_present_flag) { - throw new Error("sps seq_scaling_matrix_present_flag not zero."); - } - _log.debug("sps cfi={0}, bdlm={1}, bdcm={2}, qyztb={3}, ssmpf={4}", - chroma_format_idc, bit_depth_luma_minus8, bit_depth_chroma_minus8, - qpprime_y_zero_transform_bypass_flag, seq_scaling_matrix_present_flag); - } - - var log2_max_frame_num_minus4:int = SrsUtils.srs_avc_nalu_read_uev(bs); - var pic_order_cnt_type:int = SrsUtils.srs_avc_nalu_read_uev(bs); - if (pic_order_cnt_type == 0) { - var log2_max_pic_order_cnt_lsb_minus4:int = SrsUtils.srs_avc_nalu_read_uev(bs); - _log.debug("sps lmpoclm={0}", log2_max_pic_order_cnt_lsb_minus4); - } else if (pic_order_cnt_type == 1) { - var delta_pic_order_always_zero_flag:int = SrsUtils.srs_avc_nalu_read_bit(bs); - var offset_for_non_ref_pic:int = SrsUtils.srs_avc_nalu_read_uev(bs); - var offset_for_top_to_bottom_field:int = SrsUtils.srs_avc_nalu_read_uev(bs); - var num_ref_frames_in_pic_order_cnt_cycle:int = SrsUtils.srs_avc_nalu_read_uev(bs); - _log.debug("sps dpoazf={0}, ofnrp={1}, ofttbf={2}, nrfipocc={3}", - delta_pic_order_always_zero_flag, offset_for_non_ref_pic, offset_for_top_to_bottom_field, - num_ref_frames_in_pic_order_cnt_cycle); - } - var max_num_ref_frames:int = SrsUtils.srs_avc_nalu_read_uev(bs); - var gaps_in_frame_num_value_allowed_flag:int = SrsUtils.srs_avc_nalu_read_bit(bs); - var pic_width_in_mbs_minus1:int = SrsUtils.srs_avc_nalu_read_uev(bs); - var pic_height_in_map_units_minus1:int = SrsUtils.srs_avc_nalu_read_uev(bs); - - width = (int)(pic_width_in_mbs_minus1 + 1) * 16; - height = (int)(pic_height_in_map_units_minus1 + 1) * 16; - _log.info("sps parse profile={0}, level={1}, size={2}x{3}", profile_idc, level_idc, width, height); - - _on_size_changed(width, height); - } - - private function write_h264_sps_pps(context:SrsTsContext, dts:uint, pts:uint):void - { - if (!h264_sps_changed && !h264_pps_changed) { - return; - } - - // when not got sps/pps, wait. - if (h264_pps.length == 0 || h264_sps.length == 0) { - return; - } - - // h264 raw to h264 packet. - var sh:ByteArray = avc.mux_sequence_header(h264_sps, h264_pps, dts, pts); - - // h264 packet to flv packet. - var frame_type:uint = SrsConsts.SrsCodecVideoAVCFrameKeyFrame; - var avc_packet_type:uint = SrsConsts.SrsCodecVideoAVCTypeSequenceHeader; - var tag_body:ByteArray = avc.mux_avc2flv(sh, frame_type, avc_packet_type, dts, pts); - - // the timestamp in rtmp message header is dts. - video_sh_tag = mux_flv_packet(SrsConsts.SrsCodecFlvTagVideo, dts, tag_body); - on_sequence_header(context); - } - - private function write_h264_ipb_frame(ibps:ByteArray, frame_type:uint, dts:uint, pts:uint, piece:ByteArray):void - { - // when sps or pps not sent, ignore the packet. - // @see https://github.com/ossrs/srs/issues/203 - if (video_sh_tag.length == 0) { - return; - } - - var avc_packet_type:uint = SrsConsts.SrsCodecVideoAVCTypeNALU; - var tag_body:ByteArray = avc.mux_avc2flv(ibps, frame_type, avc_packet_type, dts, pts); - - // the timestamp in rtmp message header is dts. - var timestamp:uint = dts; - var tag:ByteArray = mux_flv_packet(SrsConsts.SrsCodecFlvTagVideo, timestamp, tag_body); - - // append flv packet to piece. - piece.writeBytes(tag); - } - - private function mux_flv_packet(type:uint, timestamp:uint, flv:ByteArray):ByteArray - { - // E.4.1 FLV Tag - var packet:ByteArray = new ByteArray(); - - // Reserved UB [2] - // Filter UB [1] - // TagType UB [5] - packet.writeByte(type & 0x1f); - - // DataSize UI24 - var size:uint = flv.length; - packet.writeByte(size >> 16); - packet.writeByte(size >> 8); - packet.writeByte(size); - - // Timestamp UI24 - var dts:uint = timestamp; - packet.writeByte(dts >> 16); - packet.writeByte(dts >> 8); - packet.writeByte(dts); - - // TimestampExtended UI8 - packet.writeByte(dts >> 24); - - // StreamID, UI24, Always 0. - packet.writeByte(0x00); - packet.writeByte(0x00); - packet.writeByte(0x00); - - // tag body. - packet.writeBytes(flv); - - // PreviousTagSizeN, UI32, Size of last tag, including its header, in bytes. - size = packet.length; - packet.writeUnsignedInt(size); - - if (false) { - _log.info("FLV: mux flv type={0}, time={1}, size={3}", type, timestamp, dts, packet.length); - } else { - _log.debug("mux flv type={0}, time={1}, size={3}", type, timestamp, dts, packet.length); - } - - return packet; - } - - private function on_sequence_header(context:SrsTsContext):void - { - if (!audio_sh_tag.length) { - return; - } - if (!context.is_pure_audio() && !video_sh_tag.length) { - return; - } - - var sh:ByteArray = new ByteArray(); - - // @remark HSS without flv header. - // 9bytes header and 4bytes first previous-tag-size - // Signatures "FLV" - sh.writeByte(0x46); // 'F' - sh.writeByte(0x4c); // 'L' - sh.writeByte(0x56); // 'V' - // File version (for example, 0x01 for FLV version 1) - sh.writeByte(0x01); - // 4, audio; 1, video; 5 audio+video. - if (context.is_pure_audio()) { - sh.writeByte(0x04); - } else { - sh.writeByte(0x05); - } - // DataOffset UI32 The length of this header in bytes - sh.writeUnsignedInt(0x00000009); - // previous tag size. - sh.writeUnsignedInt(0x00000000); - - // append video and audio sequence header. - if (!context.is_pure_audio()) { - sh.writeBytes(video_sh_tag); - } - sh.writeBytes(audio_sh_tag); - - // reset the positions. - h264_sps.position = 0; - h264_pps.position = 0; - aac_specific_config.position = 0; - video_sh_tag.position = 0; - audio_sh_tag.position = 0; - - // notice the HLS to change sh if should to. - _on_sequence_changed( - avc, aac, - h264_sps, h264_pps, - aac_specific_config, - video_sh_tag, audio_sh_tag, - sh - ); - } -} - -class SrsConsts -{ - // E.4.3.1 VIDEODATA - // Frame Type UB [4] - // Type of video frame. The following values are defined: - // 1 = key frame (for AVC, a seekable frame) - // 2 = inter frame (for AVC, a non-seekable frame) - // 3 = disposable inter frame (H.263 only) - // 4 = generated key frame (reserved for server use only) - // 5 = video info/command frame - public static const SrsCodecVideoAVCFrameReserved:uint = 0; - public static const SrsCodecVideoAVCFrameReserved1:uint = 6; - - public static const SrsCodecVideoAVCFrameKeyFrame:uint = 1; - public static const SrsCodecVideoAVCFrameInterFrame:uint = 2; - public static const SrsCodecVideoAVCFrameDisposableInterFrame:uint = 3; - public static const SrsCodecVideoAVCFrameGeneratedKeyFrame:uint = 4; - public static const SrsCodecVideoAVCFrameVideoInfoFrame:uint = 5; - - // AACPacketType IF SoundFormat == 10 UI8 - // The following values are defined: - // 0 = AAC sequence header - // 1 = AAC raw - public static const SrsCodecAudioTypeReserved:uint = 2; - - public static const SrsCodecAudioTypeSequenceHeader:uint = 0; - public static const SrsCodecAudioTypeRawData:uint = 1; - - // AVCPacketType IF CodecID == 7 UI8 - // The following values are defined: - // 0 = AVC sequence header - // 1 = AVC NALU - // 2 = AVC end of sequence (lower level NALU sequence ender is - // not required or supported) - public static const SrsCodecVideoAVCTypeReserved:uint = 3; - - public static const SrsCodecVideoAVCTypeSequenceHeader:uint = 0; - public static const SrsCodecVideoAVCTypeNALU:uint = 1; - public static const SrsCodecVideoAVCTypeSequenceHeaderEOF:uint = 2; - - // E.4.3.1 VIDEODATA - // CodecID UB [4] - // Codec Identifier. The following values are defined: - // 2 = Sorenson H.263 - // 3 = Screen video - // 4 = On2 VP6 - // 5 = On2 VP6 with alpha channel - // 6 = Screen video version 2 - // 7 = AVC - public static const SrsCodecVideoReserved:uint = 0; - public static const SrsCodecVideoReserved1:uint = 1; - public static const SrsCodecVideoReserved2:uint = 9; - - // for user to disable video, for example, use pure audio hls. - public static const SrsCodecVideoDisabled:uint = 8; - - public static const SrsCodecVideoSorensonH263:uint = 2; - public static const SrsCodecVideoScreenVideo:uint = 3; - public static const SrsCodecVideoOn2VP6:uint = 4; - public static const SrsCodecVideoOn2VP6WithAlphaChannel:uint = 5; - public static const SrsCodecVideoScreenVideoVersion2:uint = 6; - public static const SrsCodecVideoAVC:uint = 7; - - // SoundFormat UB [4] - // Format of SoundData. The following values are defined: - // 0 = Linear PCM, platform endian - // 1 = ADPCM - // 2 = MP3 - // 3 = Linear PCM, little endian - // 4 = Nellymoser 16 kHz mono - // 5 = Nellymoser 8 kHz mono - // 6 = Nellymoser - // 7 = G.711 A-law logarithmic PCM - // 8 = G.711 mu-law logarithmic PCM - // 9 = reserved - // 10 = AAC - // 11 = Speex - // 14 = MP3 8 kHz - // 15 = Device-specific sound - // Formats 7, 8, 14, and 15 are reserved. - // AAC is supported in Flash Player 9,0,115,0 and higher. - // Speex is supported in Flash Player 10 and higher. - public static const SrsCodecAudioReserved1:uint = 16; - - public static const SrsCodecAudioLinearPCMPlatformEndian:uint = 0; - public static const SrsCodecAudioADPCM:uint = 1; - public static const SrsCodecAudioMP3:uint = 2; - public static const SrsCodecAudioLinearPCMLittleEndian:uint = 3; - public static const SrsCodecAudioNellymoser16kHzMono:uint = 4; - public static const SrsCodecAudioNellymoser8kHzMono:uint = 5; - public static const SrsCodecAudioNellymoser:uint = 6; - public static const SrsCodecAudioReservedG711AlawLogarithmicPCM:uint = 7; - public static const SrsCodecAudioReservedG711MuLawLogarithmicPCM:uint = 8; - public static const SrsCodecAudioReserved:uint = 9; - public static const SrsCodecAudioAAC:uint = 10; - public static const SrsCodecAudioSpeex:uint = 11; - public static const SrsCodecAudioReservedMP3_8kHz:uint = 14; - public static const SrsCodecAudioReservedDeviceSpecificSound:uint = 15; - - /** - * the FLV/RTMP supported audio sample rate. - * Sampling rate. The following values are defined: - * 0 = 5.5 kHz = 5512 Hz - * 1 = 11 kHz = 11025 Hz - * 2 = 22 kHz = 22050 Hz - * 3 = 44 kHz = 44100 Hz - */ - public static const SrsCodecAudioSampleRateReserved:uint = 4; - - public static const SrsCodecAudioSampleRate5512:uint = 0; - public static const SrsCodecAudioSampleRate11025:uint = 1; - public static const SrsCodecAudioSampleRate22050:uint = 2; - public static const SrsCodecAudioSampleRate44100:uint = 3; - - /** - * E.4.1 FLV Tag, page 75 - */ - public static const SrsCodecFlvTagReserved:uint = 0; - - // 8 = audio - public static const SrsCodecFlvTagAudio:uint = 8; - // 9 = video - public static const SrsCodecFlvTagVideo:uint = 9; - // 18 = script data - public static const SrsCodecFlvTagScript:uint = 18; - - /** - * Table 7-1 – NAL unit type codes, syntax element categories, and NAL unit type classes - * H.264-AVC-ISO_IEC_14496-10-2012.pdf, page 83. - */ - // Coded slice of a non-IDR picture slice_layer_without_partitioning_rbsp( ) - public static const SrsAvcNaluTypeNonIDR:uint = 1; - // Coded slice data partition A slice_data_partition_a_layer_rbsp( ) - public static const SrsAvcNaluTypeDataPartitionA:uint = 2; - // Coded slice data partition B slice_data_partition_b_layer_rbsp( ) - public static const SrsAvcNaluTypeDataPartitionB:uint = 3; - // Coded slice data partition C slice_data_partition_c_layer_rbsp( ) - public static const SrsAvcNaluTypeDataPartitionC:uint = 4; - // Coded slice of an IDR picture slice_layer_without_partitioning_rbsp( ) - public static const SrsAvcNaluTypeIDR:uint = 5; - // Supplemental enhancement information (SEI) sei_rbsp( ) - public static const SrsAvcNaluTypeSEI:uint = 6; - // Sequence parameter set seq_parameter_set_rbsp( ) - public static const SrsAvcNaluTypeSPS:uint = 7; - // Picture parameter set pic_parameter_set_rbsp( ) - public static const SrsAvcNaluTypePPS:uint = 8; - // Access unit delimiter access_unit_delimiter_rbsp( ) - public static const SrsAvcNaluTypeAccessUnitDelimiter:uint = 9; - // End of sequence end_of_seq_rbsp( ) - public static const SrsAvcNaluTypeEOSequence:uint = 10; - // End of stream end_of_stream_rbsp( ) - public static const SrsAvcNaluTypeEOStream:uint = 11; - // Filler data filler_data_rbsp( ) - public static const SrsAvcNaluTypeFilterData:uint = 12; - // Sequence parameter set extension seq_parameter_set_extension_rbsp( ) - public static const SrsAvcNaluTypeSPSExt:uint = 13; - // Prefix NAL unit prefix_nal_unit_rbsp( ) - public static const SrsAvcNaluTypePrefixNALU:uint = 14; - // Subset sequence parameter set subset_seq_parameter_set_rbsp( ) - public static const SrsAvcNaluTypeSubsetSPS:uint = 15; - // Coded slice of an auxiliary coded picture without partitioning slice_layer_without_partitioning_rbsp( ) - public static const SrsAvcNaluTypeLayerWithoutPartition:uint = 19; - // Coded slice extension slice_layer_extension_rbsp( ) - public static const SrsAvcNaluTypeCodedSliceExt:uint = 20; -} - -class SrsUtils -{ - /* - * MPEG2 transport stream (aka DVB) mux - * Copyright (c) 2003 Fabrice Bellard. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - private static const crc_table:Array = [ - 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, - 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, - 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7, - 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75, - 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, - 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, - 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef, - 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d, - 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb, - 0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, - 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, - 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072, - 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4, - 0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde, - 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, - 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, - 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, - 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6, - 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050, - 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, - 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, - 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, - 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1, - 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53, - 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, - 0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, - 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9, - 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b, - 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, - 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, - 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, - 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3, - 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2, - 0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, - 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, - 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, - 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, - 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, - 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676, - 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, - 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, - 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668, - 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4 - ]; - - // @see http://www.stmc.edu.hk/~vincent/ffmpeg_0.4.9-pre1/libavformat/mpegtsenc.c - private static function mpegts_crc32(bytes:ByteArray):uint - { - var crc:uint = 0xffffffff; - - for (var i:int = 0; i < bytes.length; i++) { - crc = (crc << 8) ^ crc_table[((crc >> 24) ^ bytes[i]) & 0xff]; - } - - return crc; - } - - public static function srs_crc32(bytes:ByteArray):uint - { - return mpegts_crc32(bytes); - } - - /** - * parse the annexb header. - * @return an object which is: - * nb_header, an int start code, the header size. - * ok, a bool indicates whether the stream is annexb. - */ - public static function srs_avc_startswith_annexb(stream:ByteArray):Object - { - var nb_start_code:int = 0; - var is_annexb:Boolean = false; - - var bytes:uint = stream.position; - var p:uint = bytes; - for (;;) { - if (stream.bytesAvailable < p - bytes + 3) { - break; - } - - // not match - if (stream[p] != 0x00 || stream[p + 1] != 0x00) { - break; - } - - // match N[00] 00 00 01, where N>=0 - if (stream[p + 2] == 0x01) { - nb_start_code = p - bytes + 3; - is_annexb = true; - break; - } - - p++; - } - - return { - nb_header: nb_start_code, - ok: is_annexb - }; - } - - /** - * whether stream starts with the aac ADTS - * from aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 75, 1.A.2.2 ADTS. - * start code must be '1111 1111 1111'B, that is 0xFFF - */ - public static function srs_aac_startswith_adts(stream:ByteArray):Boolean - { - if (stream.bytesAvailable < 2) { - return false; - } - - // matched 12bits 0xFFF, - // @remark, we must cast the 0xff to char to compare. - var p:uint = stream.position; - if (stream[p] != 0xff || (stream[p + 1] & 0xf0) != 0xf0) { - return false; - } - - return true; - } - - public static function array_equals(a:ByteArray, b:ByteArray):Boolean - { - if ((a && !b) || (!b && a) || a.length != b.length) { - return false; - } - - for (var i:int = 0; i < a.length; i++) { - if (a[i] != b[i]) { - return false; - } - } - - return true; - } - - /** - * read the ue(v) of h.264 bit stream. - */ - public static function srs_avc_nalu_read_uev(stream:SrsBitStream):int - { - if (stream.empty()) { - throw new Error("avc: h.264 bit stream empty."); - } - - // ue(v) in 9.1 Parsing process for Exp-Golomb codes - // H.264-AVC-ISO_IEC_14496-10-2012.pdf, page 227. - // Syntax elements coded as ue(v), me(v), or se(v) are Exp-Golomb-coded. - // leadingZeroBits = -1; - // for( b = 0; !b; leadingZeroBits++ ) - // b = read_bits( 1 ) - // The variable codeNum is then assigned as follows: - // codeNum = (2<= 31) { - throw new Error("avc: h.264 ue(v) overflow."); - } - - var v:int = (1 << leadingZeroBits) - 1; - for (var i:int = 0; i < leadingZeroBits; i++) { - b = stream.read_bit(); - v += b << (leadingZeroBits - 1 - i); - } - - return v; - } - - /** - * read a bit from the h.264 avc bit stream. - */ - public static function srs_avc_nalu_read_bit(stream:SrsBitStream):int - { - if (stream.empty()) { - throw new Error("avc: h.264 bit stream empty."); - } - - var v:int = stream.read_bit(); - - return v; - } - - public static function srs_print_bytes(bytes:ByteArray, len:int):void - { - var prt_len:int; - var print:String = ""; - - prt_len = len == -1? (bytes.length - bytes.position): len; - prt_len = Math.min(prt_len, Math.min((bytes.length - bytes.position), 2048)); - - for (var i:int = 0; i < prt_len; i++) - { - print += bytes[i + bytes.position].toString(16).toUpperCase() + " "; - } - trace(print); - } -} - -class SrsBitStream -{ - private var stream:ByteArray; - private var cb:uint; - private var cb_left:uint; - - public function SrsBitStream(s:ByteArray) - { - cb = 0; - cb_left = 0; - stream = s; - } - - public function empty():Boolean - { - if (cb_left) { - return false; - } - return stream.bytesAvailable == 0; - } - - public function read_bit():uint - { - if (!cb_left) { - cb = stream.readUnsignedByte(); - cb_left = 8; - } - - var v:uint = (cb >> (cb_left - 1)) & 0x01; - cb_left--; - return v; - } -} - -/** - * the raw h.264 stream, in annexb. - */ -class SrsRawH264Stream -{ - private var _log:ILogger = new TraceLogger("HLS"); - - public function SrsRawH264Stream() - { - } - - /** - * demux the stream in annexb format. - */ - public function annexb_demux(stream:ByteArray):ByteArray - { - var frame:ByteArray = new ByteArray(); - while (stream.bytesAvailable) { - // each frame must prefixed by annexb format. - // about annexb, @see H.264-AVC-ISO_IEC_14496-10.pdf, page 211. - var annexb:Object = SrsUtils.srs_avc_startswith_annexb(stream); - if (!annexb.ok) { - throw new Error("avc: not annexb format."); - } - - var nb_annexb_header:uint = annexb.nb_header; - var start:uint = stream.position + annexb.nb_header; - stream.position += annexb.nb_header; - - // find the last frame prefixed by annexb format. - while (stream.bytesAvailable) { - annexb = SrsUtils.srs_avc_startswith_annexb(stream); - if (annexb.ok) { - break; - } - stream.position++; - } - - // demux the frame. - var pos:uint = stream.position; - var nb_frame:int = pos - start; - stream.position = start; - stream.readBytes(frame, 0, nb_frame); - stream.position = pos; - _log.debug("avc: annexb {0}B header, {1}B frame", nb_annexb_header, nb_frame); - break; - } - return frame; - } - /** - * whether the frame is sps or pps. - */ - public function is_sps(frame:ByteArray):Boolean - { - // 5bits, 7.3.1 NAL unit syntax, - // H.264-AVC-ISO_IEC_14496-10.pdf, page 44. - // 7: SPS, 8: PPS, 5: I Frame, 1: P Frame - var nal_unit_type:uint = (frame[0] & 0x1f); - - return nal_unit_type == 7; - } - public function is_pps(frame:ByteArray):Boolean - { - // 5bits, 7.3.1 NAL unit syntax, - // H.264-AVC-ISO_IEC_14496-10.pdf, page 44. - // 7: SPS, 8: PPS, 5: I Frame, 1: P Frame - var nal_unit_type:uint = (frame[0] & 0x1f); - - return nal_unit_type == 8; - } - /** - * demux the sps or pps to string. - * @param sps/pps output the sps/pps. - */ - public function sps_demux(frame:ByteArray):ByteArray - { - // atleast 1bytes for SPS to decode the type, profile, constrain and level. - if (frame.bytesAvailable < 4) { - return null; - } - - return frame; - } - public function pps_demux(frame:ByteArray):ByteArray - { - if (!frame.bytesAvailable) { - return null; - } - return frame; - } - - /** - * h264 raw data to h264 packet, without flv payload header. - * mux the sps/pps to flv sequence header packet. - * @param sh output the sequence header. - */ - public function mux_sequence_header(sps:ByteArray, pps:ByteArray, dts:uint, pts:uint):ByteArray - { - var sh:ByteArray = new ByteArray(); - - // 5bytes sps/pps header: - // configurationVersion, AVCProfileIndication, profile_compatibility, - // AVCLevelIndication, lengthSizeMinusOne - // 3bytes size of sps: - // numOfSequenceParameterSets, sequenceParameterSetLength(2B) - // Nbytes of sps. - // sequenceParameterSetNALUnit - // 3bytes size of pps: - // numOfPictureParameterSets, pictureParameterSetLength - // Nbytes of pps: - // pictureParameterSetNALUnit - - // decode the SPS: - // @see: 7.3.2.1.1, H.264-AVC-ISO_IEC_14496-10-2012.pdf, page 62 - if (true) { - if (sps.length < 4) { - throw new Error("sps atleast 4bytes."); - } - var frame:ByteArray = sps; - - // @see: Annex A Profiles and levels, H.264-AVC-ISO_IEC_14496-10.pdf, page 205 - // Baseline profile profile_idc is 66(0x42). - // Main profile profile_idc is 77(0x4d). - // Extended profile profile_idc is 88(0x58). - var profile_idc:int = (int)(frame[1]); - //u_int8_t constraint_set = frame[2]; - var level_idc:int = (int)(frame[3]); - - // generate the sps/pps header - // 5.3.4.2.1 Syntax, H.264-AVC-ISO_IEC_14496-15.pdf, page 16 - // configurationVersion - sh.writeByte(0x01); - // AVCProfileIndication - sh.writeByte(profile_idc); - // profile_compatibility - sh.writeByte(0x00); - // AVCLevelIndication - sh.writeByte(level_idc); - // lengthSizeMinusOne, or NAL_unit_length, always use 4bytes size, - // so we always set it to 0x03. - sh.writeByte(0x03); - } - - // sps - if (true) { - // 5.3.4.2.1 Syntax, H.264-AVC-ISO_IEC_14496-15.pdf, page 16 - // numOfSequenceParameterSets, always 1 - sh.writeByte(0x01); - // sequenceParameterSetLength - sh.writeShort(sps.length); - // sequenceParameterSetNALUnit - sh.writeBytes(sps); - } - - // pps - if (true) { - // 5.3.4.2.1 Syntax, H.264-AVC-ISO_IEC_14496-15.pdf, page 16 - // numOfPictureParameterSets, always 1 - sh.writeByte(0x01); - // pictureParameterSetLength - sh.writeShort(pps.length); - // pictureParameterSetNALUnit - sh.writeBytes(pps); - } - - // TODO: FIXME: for more profile. - // 5.3.4.2.1 Syntax, H.264-AVC-ISO_IEC_14496-15.pdf, page 16 - // profile_idc == 100 || profile_idc == 110 || profile_idc == 122 || profile_idc == 144 - - return sh; - } - /** - * h264 raw data to h264 packet, without flv payload header. - * mux the ibp to flv ibp packet. - * @return ibp an ByteArray contains the bytes. - */ - public function mux_ipb_frame(frame:ByteArray):ByteArray - { - var ibp:ByteArray = new ByteArray(); - - // 4bytes size of nalu: - // NALUnitLength - // Nbytes of nalu. - // NALUnit - - // 5.3.4.2.1 Syntax, H.264-AVC-ISO_IEC_14496-15.pdf, page 16 - // lengthSizeMinusOne, or NAL_unit_length, always use 4bytes size - var NAL_unit_length:uint = frame.length; - - // mux the avc NALU in "ISO Base Media File Format" - // from H.264-AVC-ISO_IEC_14496-15.pdf, page 20 - // NALUnitLength - ibp.writeUnsignedInt(NAL_unit_length); - // NALUnit - ibp.writeBytes(frame); - - return ibp; - } - /** - * mux the avc video packet to flv video packet. - * @param frame_type, SrsCodecVideoAVCFrameKeyFrame or SrsCodecVideoAVCFrameInterFrame. - * @param avc_packet_type, SrsCodecVideoAVCTypeSequenceHeader or SrsCodecVideoAVCTypeNALU. - * @param video the h.264 raw data. - * @param flv output the muxed flv packet. - * @param nb_flv output the muxed flv size. - */ - public function mux_avc2flv(frame:ByteArray, frame_type:uint, avc_packet_type:uint, dts:uint, pts:uint):ByteArray - { - var flv:ByteArray = new ByteArray(); - - // for h264 in RTMP video payload, there is 5bytes header: - // 1bytes, FrameType | CodecID - // 1bytes, AVCPacketType - // 3bytes, CompositionTime, the cts. - // @see: E.4.3 Video Tags, video_file_format_spec_v10_1.pdf, page 78 - - // @see: E.4.3 Video Tags, video_file_format_spec_v10_1.pdf, page 78 - // Frame Type, Type of video frame. - // CodecID, Codec Identifier. - // set the rtmp header - flv.writeByte((frame_type << 4) | SrsConsts.SrsCodecVideoAVC); - - // AVCPacketType - flv.writeByte(avc_packet_type); - - // CompositionTime - // pts = dts + cts, or - // cts = pts - dts. - // where cts is the header in rtmp video packet payload header. - var cts:uint = pts - dts; - flv.writeByte(cts >> 16); - flv.writeByte(cts >> 8); - flv.writeByte(cts); - - // h.264 raw data. - flv.writeBytes(frame); - - return flv; - } -}; - -/** - * the header of adts sample. - */ -class SrsRawAacStreamCodec -{ - public var protection_absent:uint; - public var aac_object:SrsAacObjectType; - public var sampling_frequency_index:uint; - public var channel_configuration:uint; - public var frame_length:uint; - - public var sound_format:uint; - public var sound_rate:uint; - public var sound_size:uint; - public var sound_type:uint; - // 0 for sh; 1 for raw data. - public var aac_packet_type:uint; -}; - -/** - * the raw aac stream, in adts. - */ -class SrsRawAacStream -{ - private var _log:ILogger = new TraceLogger("HLS"); - - public function SrsRawAacStream() - { - } - - /** - * demux the stream in adts format. - * @param stream the input stream bytes. - * @return an object which is: - * frame a byte array contains the demuxed aac frame. - * code a aac stream codec info. - */ - public function adts_demux(stream:ByteArray):Object - { - var frame:ByteArray = new ByteArray(); - var codec:SrsRawAacStreamCodec = new SrsRawAacStreamCodec(); - - while (stream.bytesAvailable) { - var adts_header_start:uint = stream.position; - - // decode the ADTS. - // @see aac-iso-13818-7.pdf, page 26 - // 6.2 Audio Data Transport Stream, ADTS - // @see https://github.com/ossrs/srs/issues/212#issuecomment-64145885 - // byte_alignment() - - // adts_fixed_header: - // 12bits syncword, - // 16bits left. - // adts_variable_header: - // 28bits - // 12+16+28=56bits - // adts_error_check: - // 16bits if protection_absent - // 56+16=72bits - // if protection_absent: - // require(7bytes)=56bits - // else - // require(9bytes)=72bits - if (stream.bytesAvailable < 7) { - throw new Error("aac: adts required atleast 7bytes."); - } - - // for aac, the frame must be ADTS format. - if (!SrsUtils.srs_aac_startswith_adts(stream)) { - throw new Error("aac: adts schema invalid."); - } - - // syncword 12 bslbf - stream.readByte(); - // 4bits left. - // adts_fixed_header(), 1.A.2.2.1 Fixed Header of ADTS - // ID 1 bslbf - // layer 2 uimsbf - // protection_absent 1 bslbf - var pav:uint = (stream.readUnsignedByte() & 0x0f); - var id:uint = (uint)((pav >> 3) & 0x01); - /*int8_t layer = (pav >> 1) & 0x03;*/ - var protection_absent:uint = pav & 0x01; - - /** - * ID: MPEG identifier, set to ‘1’ if the audio data in the ADTS stream are MPEG-2 AAC (See ISO/IEC 13818-7) - * and set to ‘0’ if the audio data are MPEG-4. See also ISO/IEC 11172-3, subclause 2.4.2.3. - */ - if (id != 0x01) { - //warn("adts: id must be 1(aac), actual 0(mp4a)."); - - // well, some system always use 0, but actually is aac format. - // for example, houjian vod ts always set the aac id to 0, actually 1. - // we just ignore it, and alwyas use 1(aac) to demux. - id = 0x01; - } - - var sfiv:uint = stream.readUnsignedShort(); - // profile 2 uimsbf - // sampling_frequency_index 4 uimsbf - // private_bit 1 bslbf - // channel_configuration 3 uimsbf - // original/copy 1 bslbf - // home 1 bslbf - var profile:uint = (sfiv >> 14) & 0x03; - var sampling_frequency_index:uint = (sfiv >> 10) & 0x0f; - /*int8_t private_bit = (sfiv >> 9) & 0x01;*/ - var channel_configuration:uint = (sfiv >> 6) & 0x07; - /*int8_t original = (sfiv >> 5) & 0x01;*/ - /*int8_t home = (sfiv >> 4) & 0x01;*/ - //int8_t Emphasis; @remark, Emphasis is removed, @see https://github.com/ossrs/srs/issues/212#issuecomment-64154736 - // 4bits left. - // adts_variable_header(), 1.A.2.2.2 Variable Header of ADTS - // copyright_identification_bit 1 bslbf - // copyright_identification_start 1 bslbf - /*int8_t fh_copyright_identification_bit = (fh1 >> 3) & 0x01;*/ - /*int8_t fh_copyright_identification_start = (fh1 >> 2) & 0x01;*/ - // frame_length 13 bslbf: Length of the frame including headers and error_check in bytes. - // use the left 2bits as the 13 and 12 bit, - // the frame_length is 13bits, so we move 13-2=11. - var frame_length:uint = (sfiv << 11) & 0x1800; - - // skip -1 to read 4B for actually read 3B - stream.position -= 1; - var abfv:uint = (stream.readUnsignedInt() & 0x00ffffff); - // frame_length 13 bslbf: consume the first 13-2=11bits - // the fh2 is 24bits, so we move right 24-11=13. - frame_length |= (abfv >> 13) & 0x07ff; - // adts_buffer_fullness 11 bslbf - /*int16_t fh_adts_buffer_fullness = (abfv >> 2) & 0x7ff;*/ - // number_of_raw_data_blocks_in_frame 2 uimsbf - /*int16_t number_of_raw_data_blocks_in_frame = abfv & 0x03;*/ - // adts_error_check(), 1.A.2.2.3 Error detection - if (!protection_absent) { - if (stream.bytesAvailable < 2) { - throw new Error("aac: adts header corrupt."); - } - // crc_check 16 Rpchof - /*int16_t crc_check = */ stream.readUnsignedShort(); - } - - // TODO: check the sampling_frequency_index - // TODO: check the channel_configuration - - // raw_data_blocks - var adts_header_size:uint = stream.position - adts_header_start; - var raw_data_size:uint = frame_length - adts_header_size; - if (stream.bytesAvailable < raw_data_size) { - throw new Error("aac: adts raw data corrupt."); - } - - // the codec info. - codec.protection_absent = protection_absent; - codec.aac_object = SrsAacProfile.parse(profile).toRtmpObjectType(); - codec.sampling_frequency_index = sampling_frequency_index; - codec.channel_configuration = channel_configuration; - codec.frame_length = frame_length; - - // @see srs_audio_write_raw_frame(). - codec.sound_format = 10; // AAC - // TODO: FIXME: maybe need to resample audio. - if (sampling_frequency_index <= 0x0c && sampling_frequency_index > 0x0a) { - codec.sound_rate = SrsConsts.SrsCodecAudioSampleRate5512; - } else if (sampling_frequency_index <= 0x0a && sampling_frequency_index > 0x07) { - codec.sound_rate = SrsConsts.SrsCodecAudioSampleRate11025; - } else if (sampling_frequency_index <= 0x07 && sampling_frequency_index > 0x04) { - codec.sound_rate = SrsConsts.SrsCodecAudioSampleRate22050; - } else if (sampling_frequency_index <= 0x04) { - codec.sound_rate = SrsConsts.SrsCodecAudioSampleRate44100; - } else { - codec.sound_rate = SrsConsts.SrsCodecAudioSampleRate44100; - _log.warn("adts invalid sample rate for flv, rate=%{0}", sampling_frequency_index); - } - codec.sound_type = (uint)(Math.max(0, Math.min(1, channel_configuration - 1))); - // TODO: FIXME: finger it out the sound size by adts. - codec.sound_size = 1; // 0(8bits) or 1(16bits). - - // frame data. - stream.readBytes(frame, 0, raw_data_size); - - break; - } - - return { - frame: frame, - codec: codec - }; - } - /** - * aac raw data to aac packet, without flv payload header. - * mux the aac specific config to flv sequence header packet. - * @param sh output the sequence header. - */ - public function mux_sequence_header(codec:SrsRawAacStreamCodec):ByteArray - { - var sh:ByteArray = new ByteArray(); - - // only support aac profile 1-4. - if (codec.aac_object == SrsAacObjectType.Reserved) { - throw new Error("aac: profile invalid."); - } - - var audioObjectType:SrsAacObjectType = codec.aac_object; - var channelConfiguration:uint = codec.channel_configuration; - var samplingFrequencyIndex:uint = codec.sampling_frequency_index; - - // override the aac samplerate by user specified. - // @see https://github.com/ossrs/srs/issues/212#issuecomment-64146899 - switch (codec.sound_rate) { - case SrsConsts.SrsCodecAudioSampleRate11025: - samplingFrequencyIndex = 0x0a; break; - case SrsConsts.SrsCodecAudioSampleRate22050: - samplingFrequencyIndex = 0x07; break; - case SrsConsts.SrsCodecAudioSampleRate44100: - samplingFrequencyIndex = 0x04; break; - default: - break; - } - - var ch:uint = 0; - // @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf - // AudioSpecificConfig (), page 33 - // 1.6.2.1 AudioSpecificConfig - // audioObjectType; 5 bslbf - ch = (audioObjectType.toInt() << 3) & 0xf8; - // 3bits left. - - // samplingFrequencyIndex; 4 bslbf - ch |= (samplingFrequencyIndex >> 1) & 0x07; - sh.writeByte(ch); - ch = (samplingFrequencyIndex << 7) & 0x80; - if (samplingFrequencyIndex == 0x0f) { - throw new Error("aac: sample rate invalid."); - } - // 7bits left. - - // channelConfiguration; 4 bslbf - ch |= (channelConfiguration << 3) & 0x78; - // 3bits left. - - // GASpecificConfig(), page 451 - // 4.4.1 Decoder configuration (GASpecificConfig) - // frameLengthFlag; 1 bslbf - // dependsOnCoreCoder; 1 bslbf - // extensionFlag; 1 bslbf - sh.writeByte(ch); - - return sh; - } - /** - * mux the aac audio packet to flv audio packet. - * @param frame the aac raw data. - * @param nb_frame the count of aac frame. - * @param codec the codec info of aac. - * @param flv output the muxed flv packet. - * @param nb_flv output the muxed flv size. - */ - public function mux_aac2flv(frame:ByteArray, codec:SrsRawAacStreamCodec, dts:uint):ByteArray - { - var flv:ByteArray = new ByteArray(); - - var sound_format:uint = codec.sound_format; - var sound_type:uint = codec.sound_type; - var sound_size:uint = codec.sound_size; - var sound_rate:uint = codec.sound_rate; - var aac_packet_type:uint = codec.aac_packet_type; - - // for audio frame, there is 1 or 2 bytes header: - // 1bytes, SoundFormat|SoundRate|SoundSize|SoundType - // 1bytes, AACPacketType for SoundFormat == 10, 0 is sequence header. - - var audio_header:uint = sound_type & 0x01; - audio_header |= (sound_size << 1) & 0x02; - audio_header |= (sound_rate << 2) & 0x0c; - audio_header |= (sound_format << 4) & 0xf0; - - flv.writeByte(audio_header); - - if (sound_format == SrsConsts.SrsCodecAudioAAC) { - flv.writeByte(aac_packet_type); - } - - flv.writeBytes(frame); - - return flv; - } -}; - -/** - * the fake enum. - */ -class SrsEnum -{ - protected var value:int; - - public function SrsEnum(v:int) - { - value = v; - } - - public function equals(e:SrsEnum):Boolean - { - return value == e.value; - } - - public function notEquals(e:SrsEnum):Boolean - { - return value != e.value; - } - - public function equalsValue(v:int):Boolean - { - return value == v; - } - - public function toString():String - { - return String(value); - } - - public function toInt():int - { - return value; - } -} - -/** - * the aac profile, for ADTS(HLS/TS) - * @see https://github.com/ossrs/srs/issues/310 - */ -class SrsAacProfile extends SrsEnum -{ - public function SrsAacProfile(v:int) - { - super(v); - } - public static function parse(v:int):SrsAacProfile - { - switch (v) { - case 0x00: return SrsAacProfile.Main; - case 0x01: return SrsAacProfile.LC; - case 0x02: return SrsAacProfile.SSR; - default: case 0x03: return SrsAacProfile.Reserved; - } - } - - public static const Reserved:SrsAacProfile = new SrsAacProfile(0x03); - - // @see 7.1 Profiles, aac-iso-13818-7.pdf, page 40 - public static const Main:SrsAacProfile = new SrsAacProfile(0x00); - public static const LC:SrsAacProfile = new SrsAacProfile(0x01); - public static const SSR:SrsAacProfile = new SrsAacProfile(0x02); - - // ts/hls/adts audio header profile to RTMP sequence header object type. - public function toRtmpObjectType():SrsAacObjectType - { - if (SrsAacProfile.Main.equals(this)) { - return SrsAacObjectType.AacMain; - } else if (SrsAacProfile.LC.equals(this)) { - return SrsAacObjectType.AacLC; - } else if (SrsAacProfile.SSR.equals(this)) { - return SrsAacObjectType.AacSSR; - } else { - return SrsAacObjectType.Reserved; - } - } -}; - -/** - * the aac object type, for RTMP sequence header - * for AudioSpecificConfig, @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 33 - * for audioObjectType, @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 23 - */ -class SrsAacObjectType extends SrsEnum -{ - public function SrsAacObjectType(v:int) - { - super(v); - } - public static function parse(v:int):SrsAacObjectType - { - switch (v) { - case 0x01: return SrsAacObjectType.AacMain; - case 0x02: return SrsAacObjectType.AacLC; - case 0x03: return SrsAacObjectType.AacSSR; - case 0x05: return SrsAacObjectType.AacHE; - case 0x29: return SrsAacObjectType.AacHEV2; - default: case 0x00: return SrsAacObjectType.Reserved; - } - } - - public static const Reserved:SrsAacObjectType = new SrsAacObjectType(0x00); - - // Table 1.1 – Audio Object Type definition - // @see @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 23 - public static const AacMain:SrsAacObjectType = new SrsAacObjectType(0x01); - public static const AacLC:SrsAacObjectType = new SrsAacObjectType(0x02); - public static const AacSSR:SrsAacObjectType = new SrsAacObjectType(0x03); - - // AAC HE = LC+SBR - public static const AacHE:SrsAacObjectType = new SrsAacObjectType(0x05); - // AAC HEv2 = LC+SBR+PS - public static const AacHEV2:SrsAacObjectType = new SrsAacObjectType(0x29); - - // RTMP sequence header object type to ts/hls/adts audio header profile. - public function toTsProfile():SrsAacProfile - { - if (SrsAacObjectType.AacMain.equals(this)) { - return SrsAacProfile.Main; - } else if (SrsAacObjectType.AacLC.equals(this)) { - return SrsAacProfile.LC; - } else if (SrsAacObjectType.AacHE.equals(this)) { - return SrsAacProfile.LC; - } else if (SrsAacObjectType.AacHEV2.equals(this)) { - return SrsAacProfile.LC; - } else if (SrsAacObjectType.AacSSR.equals(this)) { - return SrsAacProfile.SSR; - } else { - return SrsAacProfile.Reserved; - } - } -}; - -/** - * the pid of ts packet, - * Table 2-3 - PID table, hls-mpeg-ts-iso13818-1.pdf, page 37 - * NOTE - The transport packets with PID values 0x0000, 0x0001, and 0x0010-0x1FFE are allowed to carry a PCR. - */ -class SrsTsPid extends SrsEnum -{ - public function SrsTsPid(v:int) - { - super(v); - } - public static function parse(v:int):SrsTsPid - { - switch (v) { - case 0x00: return SrsTsPid.PAT; - case 0x01: return SrsTsPid.CAT; - case 0x02: return SrsTsPid.TSDT; - case 0x03: return SrsTsPid.ReservedStart; - case 0x0f: return SrsTsPid.ReservedEnd; - case 0x10: return SrsTsPid.AppStart; - case 0x1ffe: return SrsTsPid.AppEnd; - case 0x01FFF: return SrsTsPid.NULL; - default: return new SrsTsPid(v); - } - } - - // Program Association Table(see Table 2-25). - public static const PAT:SrsTsPid = new SrsTsPid(0x00); - // Conditional Access Table (see Table 2-27). - public static const CAT:SrsTsPid = new SrsTsPid(0x01); - // Transport Stream Description Table - public static const TSDT:SrsTsPid = new SrsTsPid(0x02); - // Reserved - public static const ReservedStart:SrsTsPid = new SrsTsPid(0x03); - public static const ReservedEnd:SrsTsPid = new SrsTsPid(0x0f); - // May be assigned as network_PID, Program_map_PID, elementary_PID, or for other purposes - public static const AppStart:SrsTsPid = new SrsTsPid(0x10); - public static const AppEnd:SrsTsPid = new SrsTsPid(0x1ffe); - // null packets (see Table 2-3) - public static const NULL:SrsTsPid = new SrsTsPid(0x01FFF); -}; - -/** - * the transport_scrambling_control of ts packet, - * Table 2-4 - Scrambling control values, hls-mpeg-ts-iso13818-1.pdf, page 38 - */ -class SrsTsScrambled extends SrsEnum -{ - public function SrsTsScrambled(v:int) - { - super(v); - } - public static function parse(v:int):SrsTsScrambled - { - switch (v) { - case 0x01: return SrsTsScrambled.UserDefined1; - case 0x02: return SrsTsScrambled.UserDefined2; - case 0x03: return SrsTsScrambled.UserDefined3; - default: case 0x00: return SrsTsScrambled.Disabled; - } - } - - // Not scrambled - public static const Disabled:SrsTsScrambled = new SrsTsScrambled(0x00); - // User-defined - public static const UserDefined1:SrsTsScrambled = new SrsTsScrambled(0x01); - // User-defined - public static const UserDefined2:SrsTsScrambled = new SrsTsScrambled(0x02); - // User-defined - public static const UserDefined3:SrsTsScrambled = new SrsTsScrambled(0x03); -}; - -/** - * the adaption_field_control of ts packet, - * Table 2-5 - Adaptation field control values, hls-mpeg-ts-iso13818-1.pdf, page 38 - */ -class SrsTsAdaptationFieldType extends SrsEnum -{ - public function SrsTsAdaptationFieldType(v:int) - { - super(v); - } - public static function parse(v:int):SrsTsAdaptationFieldType - { - switch (v) { - case 0x01: return SrsTsAdaptationFieldType.PayloadOnly; - case 0x02: return SrsTsAdaptationFieldType.AdaptionOnly; - case 0x03: return SrsTsAdaptationFieldType.Both; - default: case 0x00: return SrsTsAdaptationFieldType.Reserved; - } - } - - // Reserved for future use by ISO/IEC - public static const Reserved:SrsTsAdaptationFieldType = new SrsTsAdaptationFieldType(0x00); - // No adaptation_field, payload only - public static const PayloadOnly:SrsTsAdaptationFieldType = new SrsTsAdaptationFieldType(0x01); - // Adaptation_field only, no payload - public static const AdaptionOnly:SrsTsAdaptationFieldType = new SrsTsAdaptationFieldType(0x02); - // Adaptation_field followed by payload - public static const Both:SrsTsAdaptationFieldType = new SrsTsAdaptationFieldType(0x03); -}; - -/** - * the actually parsed ts pid, - * @see SrsTsPid, some pid, for example, PMT/Video/Audio is specified by PAT or other tables. - */ -class SrsTsPidApply extends SrsEnum -{ - public function SrsTsPidApply(v:int) - { - super(v); - } - - public static const Reserved:SrsTsPidApply = new SrsTsPidApply(0x00); // TSPidTypeReserved, nothing parsed, used reserved. - public static const PAT:SrsTsPidApply = new SrsTsPidApply(0x01); // Program associtate table - public static const PMT:SrsTsPidApply = new SrsTsPidApply(0x02); // Program map table. - - public static const Video:SrsTsPidApply = new SrsTsPidApply(0x03); // for video - public static const Audio:SrsTsPidApply = new SrsTsPidApply(0x04); // vor audio -}; - -/** - * Table 2-29 - Stream type assignments - */ -class SrsTsStream extends SrsEnum -{ - public function SrsTsStream(v:int) - { - super(v); - } - public static function parse(v:int):SrsTsStream - { - switch (v) { - case 0x8a: return SrsTsStream.AudioDTS; - case 0x80: return SrsTsStream.AudioAC3; - case 0x1b: return SrsTsStream.VideoH264; - case 0x11: return SrsTsStream.AudioMpeg4; - case 0x10: return SrsTsStream.VideoMpeg4; - case 0x0f: return SrsTsStream.AudioAAC; - case 0x04: return SrsTsStream.AudioMp3; - default: case 0x00: return SrsTsStream.Reserved; - } - } - - // ITU-T | ISO/IEC Reserved - public static const Reserved:SrsTsStream = new SrsTsStream(0x00); - // ISO/IEC 11172 Video - // ITU-T Rec. H.262 | ISO/IEC 13818-2 Video or ISO/IEC 11172-2 constrained parameter video stream - // ISO/IEC 11172 Audio - // ISO/IEC 13818-3 Audio - public static const AudioMp3:SrsTsStream = new SrsTsStream(0x04); - // ITU-T Rec. H.222.0 | ISO/IEC 13818-1 private_sections - // ITU-T Rec. H.222.0 | ISO/IEC 13818-1 PES packets containing private data - // ISO/IEC 13522 MHEG - // ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Annex A DSM-CC - // ITU-T Rec. H.222.1 - // ISO/IEC 13818-6 type A - // ISO/IEC 13818-6 type B - // ISO/IEC 13818-6 type C - // ISO/IEC 13818-6 type D - // ITU-T Rec. H.222.0 | ISO/IEC 13818-1 auxiliary - // ISO/IEC 13818-7 Audio with ADTS transport syntax - public static const AudioAAC:SrsTsStream = new SrsTsStream(0x0f); - // ISO/IEC 14496-2 Visual - public static const VideoMpeg4:SrsTsStream = new SrsTsStream(0x10); - // ISO/IEC 14496-3 Audio with the LATM transport syntax as defined in ISO/IEC 14496-3 / AMD 1 - public static const AudioMpeg4:SrsTsStream = new SrsTsStream(0x11); - // ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried in PES packets - // ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried in ISO/IEC14496_sections. - // ISO/IEC 13818-6 Synchronized Download Protocol - // ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved - // 0x15-0x7F - public static const VideoH264:SrsTsStream = new SrsTsStream(0x1b); - // User Private - // 0x80-0xFF - public static const AudioAC3:SrsTsStream = new SrsTsStream(0x80); - public static const AudioDTS:SrsTsStream = new SrsTsStream(0x8a); -}; - -/** - * the ts channel. - */ -class SrsTsChannel -{ - public var pid:int; - public var apply:SrsTsPidApply; - public var stream:SrsTsStream; - public var msg:SrsTsMessage; - public var context:SrsTsContext; - - public function SrsTsChannel() - { - pid = 0; - apply = SrsTsPidApply.Reserved; - stream = SrsTsStream.Reserved; - msg = null; - context = null; - } -}; - -/** - * the stream_id of PES payload of ts packet. - * Table 2-18 – Stream_id assignments, hls-mpeg-ts-iso13818-1.pdf, page 52. - */ -class SrsTsPESStreamId extends SrsEnum -{ - public function SrsTsPESStreamId(v:int) - { - super(v); - } - public static function parse(v:int):SrsTsPESStreamId - { - switch (v) { - case 0xbc: return SrsTsPESStreamId.ProgramStreamMap; - case 0xbd: return SrsTsPESStreamId.PrivateStream1; - case 0xbe: return SrsTsPESStreamId.PaddingStream; - case 0xbf: return SrsTsPESStreamId.PrivateStream2; - case 0x06: return SrsTsPESStreamId.AudioChecker; - case 0xc0: return SrsTsPESStreamId.AudioCommon; - case 0x0e: return SrsTsPESStreamId.VideoChecker; - case 0xe0: return SrsTsPESStreamId.VideoCommon; - case 0xf0: return SrsTsPESStreamId.EcmStream; - case 0xf1: return SrsTsPESStreamId.EmmStream; - case 0xf2: return SrsTsPESStreamId.DsmccStream; - case 0xf3: return SrsTsPESStreamId._13522Stream; - case 0xf4: return SrsTsPESStreamId.H2221TypeA; - case 0xf5: return SrsTsPESStreamId.H2221TypeB; - case 0xf6: return SrsTsPESStreamId.H2221TypeC; - case 0xf7: return SrsTsPESStreamId.H2221TypeD; - case 0xf8: return SrsTsPESStreamId.H2221TypeE; - case 0xf9: return SrsTsPESStreamId.AncillaryStream; - case 0xfa: return SrsTsPESStreamId.SlPacketizedStream; - case 0xfb: return SrsTsPESStreamId.FlexMuxStream; - case 0xff: return SrsTsPESStreamId.ProgramStreamDirectory; - default: case 0x00: return SrsTsPESStreamId.Reserved; - } - } - - // reserved - public static const Reserved:SrsTsPESStreamId = new SrsTsPESStreamId(0x00); - - // program_stream_map - public static const ProgramStreamMap:SrsTsPESStreamId = new SrsTsPESStreamId(0xbc); - // private_stream_1 - public static const PrivateStream1:SrsTsPESStreamId = new SrsTsPESStreamId(0xbd); - // padding_stream - public static const PaddingStream:SrsTsPESStreamId = new SrsTsPESStreamId(0xbe); - // private_stream_2 - public static const PrivateStream2:SrsTsPESStreamId = new SrsTsPESStreamId(0xbf); - - // 110x xxxx - // ISO/IEC 13818-3 or ISO/IEC 11172-3 or ISO/IEC 13818-7 or ISO/IEC - // 14496-3 audio stream number x xxxx - // ((sid >> 5) & 0x07) == SrsTsPESStreamIdAudio - // @remark, use SrsTsPESStreamIdAudioCommon as actually audio, SrsTsPESStreamIdAudio to check whether audio. - public static const AudioChecker:SrsTsPESStreamId = new SrsTsPESStreamId(0x06); - public static const AudioCommon:SrsTsPESStreamId = new SrsTsPESStreamId(0xc0); - - // 1110 xxxx - // ITU-T Rec. H.262 | ISO/IEC 13818-2 or ISO/IEC 11172-2 or ISO/IEC - // 14496-2 video stream number xxxx - // ((stream_id >> 4) & 0x0f) == SrsTsPESStreamIdVideo - // @remark, use SrsTsPESStreamIdVideoCommon as actually video, SrsTsPESStreamIdVideo to check whether video. - public static const VideoChecker:SrsTsPESStreamId = new SrsTsPESStreamId(0x0e); - public static const VideoCommon:SrsTsPESStreamId = new SrsTsPESStreamId(0xe0); - - // ECM_stream - public static const EcmStream:SrsTsPESStreamId = new SrsTsPESStreamId(0xf0); - // EMM_stream - public static const EmmStream:SrsTsPESStreamId = new SrsTsPESStreamId(0xf1); - // DSMCC_stream - public static const DsmccStream:SrsTsPESStreamId = new SrsTsPESStreamId(0xf2); - // 13522_stream - public static const _13522Stream:SrsTsPESStreamId = new SrsTsPESStreamId(0xf3); - // H_222_1_type_A - public static const H2221TypeA:SrsTsPESStreamId = new SrsTsPESStreamId(0xf4); - // H_222_1_type_B - public static const H2221TypeB:SrsTsPESStreamId = new SrsTsPESStreamId(0xf5); - // H_222_1_type_C - public static const H2221TypeC:SrsTsPESStreamId = new SrsTsPESStreamId(0xf6); - // H_222_1_type_D - public static const H2221TypeD:SrsTsPESStreamId = new SrsTsPESStreamId(0xf7); - // H_222_1_type_E - public static const H2221TypeE:SrsTsPESStreamId = new SrsTsPESStreamId(0xf8); - // ancillary_stream - public static const AncillaryStream:SrsTsPESStreamId = new SrsTsPESStreamId(0xf9); - // SL_packetized_stream - public static const SlPacketizedStream:SrsTsPESStreamId = new SrsTsPESStreamId(0xfa); - // FlexMux_stream - public static const FlexMuxStream:SrsTsPESStreamId = new SrsTsPESStreamId(0xfb); - // reserved data stream - // 1111 1100 … 1111 1110 - // program_stream_directory - public static const ProgramStreamDirectory:SrsTsPESStreamId = new SrsTsPESStreamId(0xff); -}; - -/** - * the media audio/video message parsed from PES packet. - */ -class SrsTsMessage -{ - // decoder only, - // the ts messgae does not use them, - // for user to get the channel and packet. - public var channel:SrsTsChannel; - public var packet:SrsTsPacket; - // the audio cache buffer start pts, to flush audio if full. - // @remark the pts is not the adjust one, it's the orignal pts. - public var start_pts:Number; - // whether this message with pcr info, - // generally, the video IDR(I frame, the keyframe of h.264) carray the pcr info. - public var write_pcr:Boolean; - // whether got discontinuity ts, for example, sequence header changed. - public var discontinuity:Boolean; - // the timestamp in 90khz - public var dts:Number; - public var pts:Number; - // the id of pes stream to indicates the payload codec. - // @remark use is_audio() and is_video() to check it, and stream_number() to finger it out. - public var sid:SrsTsPESStreamId; - // the size of payload, 0 indicates the length() of payload. - public var PES_packet_length:uint; - // the chunk id. - public var continuity_counter:uint; - // the payload bytes. - public var payload:ByteArray; - - public function SrsTsMessage(c:SrsTsChannel, p:SrsTsPacket) - { - channel = c; - packet = p; - - dts = pts = 0; - sid = SrsTsPESStreamId.Reserved; - continuity_counter = 0; - PES_packet_length = 0; - payload = new ByteArray(); - - start_pts = 0; - write_pcr = false; - } - - // decoder - /** - * dumps all bytes in stream to ts message. - */ - public function dump(stream:ByteArray):int - { - if (!stream.bytesAvailable) { - return 0; - } - - // xB - var nb_bytes:int = stream.length - stream.position; - if (PES_packet_length > 0) { - nb_bytes = (int)(Math.min(nb_bytes, PES_packet_length - payload.length)); - } - - if (nb_bytes > 0) { - if (stream.bytesAvailable < nb_bytes) { - throw new Error("ts: dump PSE bytes failed, requires=" + nb_bytes + " bytes"); - } - - stream.readBytes(payload, payload.length, nb_bytes); - } - - return nb_bytes; - } - /** - * whether ts message is completed to reap. - * @param payload_unit_start_indicator whether new ts message start. - * PES_packet_length is 0, the payload_unit_start_indicator=1 to reap ts message. - * PES_packet_length > 0, the payload.length() == PES_packet_length to reap ts message. - * @remark when PES_packet_length>0, the payload_unit_start_indicator should never be 1 when not completed. - * @remark when fresh, the payload_unit_start_indicator should be 1. - */ - public function completed(payload_unit_start_indicator:Number):Boolean - { - if (PES_packet_length == 0) { - return payload_unit_start_indicator != 0; - } - return payload.length >= PES_packet_length; - } - /** - * whether the message is fresh. - */ - public function fresh():Boolean - { - return payload.length == 0; - } - - /** - * whether the sid indicates the elementary stream audio. - */ - public function is_audio():Boolean - { - var sidValue:int = (sid.toInt() >> 5) & 0x07; - return SrsTsPESStreamId.AudioChecker.equalsValue(sidValue); - } - /** - * whether the sid indicates the elementary stream video. - */ - public function is_video():Boolean - { - var sidValue:int = (sid.toInt() >> 4) & 0x0f; - return SrsTsPESStreamId.VideoChecker.equalsValue(sidValue); - } - /** - * when audio or video, get the stream number which specifies the format of stream. - * @return the stream number for audio/video; otherwise, -1. - */ - public function stream_number():Number - { - if (is_audio()) { - return sid.toInt() & 0x1f; - } else if (is_video()) { - return sid.toInt() & 0x0f; - } - return -1; - } -}; - -/** - * the ts message handler. - */ -interface ISrsTsHandler -{ - /** - * when ts context got message, use handler to process it. - * @param msg the ts msg, user should never free it. - * @return an int error code. - */ - function on_ts_message(msg:SrsTsMessage):void; -}; - -/** - * the context of ts, to decode the ts stream. - */ -class SrsTsContext -{ - private var _hls:HlsCodec; - - // codec - // key, a Number indicates the pid, - // value, the SrsTsChannel object. - private var _pids:Dict; - - // whether hls pure audio stream. - private var _pure_audio:Boolean; - - public function SrsTsContext(hls:HlsCodec) - { - _hls = hls; - _pure_audio = false; - _pids = new Dict(); - } - - /** - * whether the hls stream is pure audio stream. - */ - public function is_pure_audio():Boolean - { - return _pure_audio; - } - - /** - * when PMT table parsed, we know some info about stream. - */ - public function on_pmt_parsed():void - { - _pure_audio = true; - - var keys:Array = _pids.keys(); - for (var i:int = 0; i < keys.length; i++) { - var channel:SrsTsChannel = _pids.get(keys[i]) as SrsTsChannel; - if (channel.apply == SrsTsPidApply.Video) { - _pure_audio = false; - } - } - } - - // codec - /** - * get the pid apply, the parsed pid. - * @return the apply channel; NULL for invalid. - */ - public function getChannel(pid:Number):SrsTsChannel - { - if (!_pids.has(pid)) { - return null; - } - return _pids.get(pid) as SrsTsChannel; - } - - /** - * set the pid apply, the parsed pid. - */ - public function setChannel(pid:Number, apply_pid:SrsTsPidApply, stream:SrsTsStream):void - { - var channel:SrsTsChannel = null; - if (!_pids.get(pid)) { - channel = new SrsTsChannel(); - channel.context = this; - _pids.set(pid, channel); - } else { - channel = _pids.get(pid) as SrsTsChannel; - } - - channel.pid = pid; - channel.apply = apply_pid; - channel.stream = stream; - } - - // decode methods - /** - * the stream contains only one ts packet. - * @param handler the ts message handler to process the msg. - * @remark we will consume all bytes in stream. - */ - public function decode(stream:ByteArray, handler:ISrsTsHandler):void - { - // parse util EOF of stream. - // for example, parse multiple times for the PES_packet_length(0) packet. - while (stream.bytesAvailable) { - var packet:SrsTsPacket = new SrsTsPacket(this); - var msg:SrsTsMessage = packet.decode(stream); - - if (!msg) { - continue; - } - - handler.on_ts_message(msg); - } - } -}; - -/** - * the packet in ts stream, - * 2.4.3.2 Transport Stream packet layer, hls-mpeg-ts-iso13818-1.pdf, page 36 - * Transport Stream packets shall be 188 bytes long. - */ -class SrsTsPacket -{ - // 1B - /** - * The sync_byte is a fixed 8-bit field whose value is '0100 0111' (0x47) or '0111 0100' (0x74). Sync_byte emulation in the choice of - * values for other regularly occurring fields, such as PID, should be avoided. - */ - public var sync_byte:int; //8bits - - // 2B - /** - * The transport_error_indicator is a 1-bit flag. When set to '1' it indicates that at least - * 1 uncorrectable bit error exists in the associated Transport Stream packet. This bit may be set to '1' by entities external to - * the transport layer. When set to '1' this bit shall not be reset to '0' unless the bit value(s) in error have been corrected. - */ - public var transport_error_indicator:int; //1bit - /** - * The payload_unit_start_indicator is a 1-bit flag which has normative meaning for - * Transport Stream packets that carry PES packets (refer to 2.4.3.6) or PSI data (refer to 2.4.4). - * - * When the payload of the Transport Stream packet contains PES packet data, the payload_unit_start_indicator has the - * following significance: a '1' indicates that the payload of this Transport Stream packet will commence(start) with the first byte - * of a PES packet and a '0' indicates no PES packet shall start in this Transport Stream packet. If the - * payload_unit_start_indicator is set to '1', then one and only one PES packet starts in this Transport Stream packet. This - * also applies to private streams of stream_type 6 (refer to Table 2-29). - * - * When the payload of the Transport Stream packet contains PSI data, the payload_unit_start_indicator has the following - * significance: if the Transport Stream packet carries the first byte of a PSI section, the payload_unit_start_indicator value - * shall be '1', indicating that the first byte of the payload of this Transport Stream packet carries the pointer_field. If the - * Transport Stream packet does not carry the first byte of a PSI section, the payload_unit_start_indicator value shall be '0', - * indicating that there is no pointer_field in the payload. Refer to 2.4.4.1 and 2.4.4.2. This also applies to private streams of - * stream_type 5 (refer to Table 2-29). - * - * For null packets the payload_unit_start_indicator shall be set to '0'. - * - * The meaning of this bit for Transport Stream packets carrying only private data is not defined in this Specification. - */ - public var payload_unit_start_indicator:int; //1bit - /** - * The transport_priority is a 1-bit indicator. When set to '1' it indicates that the associated packet is - * of greater priority than other packets having the same PID which do not have the bit set to '1'. The transport mechanism - * can use this to prioritize its data within an elementary stream. Depending on the application the transport_priority field - * may be coded regardless of the PID or within one PID only. This field may be changed by channel specific encoders or - * decoders. - */ - public var transport_priority:int; //1bit - /** - * The PID is a 13-bit field, indicating the type of the data stored in the packet payload. PID value 0x0000 is - * reserved for the Program Association Table (see Table 2-25). PID value 0x0001 is reserved for the Conditional Access - * Table (see Table 2-27). PID values 0x0002 - 0x000F are reserved. PID value 0x1FFF is reserved for null packets (see - * Table 2-3). - */ - public var pid:int; //13bits - - // 1B - /** - * This 2-bit field indicates the scrambling mode of the Transport Stream packet payload. - * The Transport Stream packet header, and the adaptation field when present, shall not be scrambled. In the case of a null - * packet the value of the transport_scrambling_control field shall be set to '00' (see Table 2-4). - */ - public var transport_scrambling_control:SrsTsScrambled; //2bits - /** - * This 2-bit field indicates whether this Transport Stream packet header is followed by an - * adaptation field and/or payload (see Table 2-5). - * - * ITU-T Rec. H.222.0 | ISO/IEC 13818-1 decoders shall discard Transport Stream packets with the - * adaptation_field_control field set to a value of '00'. In the case of a null packet the value of the adaptation_field_control - * shall be set to '01'. - */ - public var adaption_field_control:SrsTsAdaptationFieldType; //2bits - /** - * The continuity_counter is a 4-bit field incrementing with each Transport Stream packet with the - * same PID. The continuity_counter wraps around to 0 after its maximum value. The continuity_counter shall not be - * incremented when the adaptation_field_control of the packet equals '00'(reseverd) or '10'(adaptation field only). - * - * In Transport Streams, duplicate packets may be sent as two, and only two, consecutive Transport Stream packets of the - * same PID. The duplicate packets shall have the same continuity_counter value as the original packet and the - * adaptation_field_control field shall be equal to '01'(payload only) or '11'(both). In duplicate packets each byte of the original packet shall be - * duplicated, with the exception that in the program clock reference fields, if present, a valid value shall be encoded. - * - * The continuity_counter in a particular Transport Stream packet is continuous when it differs by a positive value of one - * from the continuity_counter value in the previous Transport Stream packet of the same PID, or when either of the nonincrementing - * conditions (adaptation_field_control set to '00' or '10', or duplicate packets as described above) are met. - * The continuity counter may be discontinuous when the discontinuity_indicator is set to '1' (refer to 2.4.3.4). In the case of - * a null packet the value of the continuity_counter is undefined. - */ - public var continuity_counter:int; //4bits - - private var adaptation_field:SrsTsAdaptationField; - private var payload:SrsTsPayload; - - public var context:SrsTsContext; - - public function SrsTsPacket(c:SrsTsContext) - { - context = c; - } - - public function decode(stream:ByteArray):SrsTsMessage - { - var pos:uint = stream.position; - - // 4B ts packet header. - if (stream.bytesAvailable < 4) { - throw new Error("ts: demux header failed"); - } - - sync_byte = stream.readUnsignedByte(); - // drm algorithms for ts packet: - // 1: "tiger", sync_byte is 0x74 - if (sync_byte != 0x47 && sync_byte != 0x74) { - throw new Error("ts: sync_bytes must be 0x47 or 0x74, actual=" + sync_byte); - } - - var pidv:int = stream.readUnsignedShort(); - transport_error_indicator = (pidv >> 15) & 0x01; - payload_unit_start_indicator = (pidv >> 14) & 0x01; - transport_priority = (pidv >> 13) & 0x01; - pid = pidv & 0x1FFF; - - var ccv:int = stream.readUnsignedByte(); - transport_scrambling_control = SrsTsScrambled.parse((ccv >> 6) & 0x03); - adaption_field_control = SrsTsAdaptationFieldType.parse((ccv >> 4) & 0x03); - continuity_counter = ccv & 0x0F; - - // TODO: FIXME: create pids map when got new pid. - - // optional: adaptation field - if (adaption_field_control == SrsTsAdaptationFieldType.AdaptionOnly - || adaption_field_control == SrsTsAdaptationFieldType.Both - ) { - adaptation_field = new SrsTsAdaptationField(this); - adaptation_field.decode(stream); - } - - // calc the user defined data size for payload. - var nb_payload:int = HlsCodec.SRS_TS_PACKET_SIZE - (stream.position - pos); - - // optional: payload. - if (adaption_field_control == SrsTsAdaptationFieldType.PayloadOnly - || adaption_field_control == SrsTsAdaptationFieldType.Both - ) { - if (SrsTsPid.PAT.equalsValue(pid)) { - // 2.4.4.3 Program association Table - payload = new SrsTsPayloadPAT(this); - } else { - var channel:SrsTsChannel = context.getChannel(pid); - if (channel && channel.apply == SrsTsPidApply.PMT) { - // 2.4.4.8 Program Map Table - payload = new SrsTsPayloadPMT(this); - } else if (channel && (channel.apply == SrsTsPidApply.Video || channel.apply == SrsTsPidApply.Audio)) { - // 2.4.3.6 PES packet - payload = new SrsTsPayloadPES(this); - } else { - // left bytes as reserved. - stream.position += nb_payload; - } - } - - if (payload) { - return payload.decode(stream); - } - } - - return null; - } - public function size():int - { - return 0; - } - - public static function create_pat(context:SrsTsContext, pmt_number:int, pmt_pid:int):SrsTsPacket - { - return null; - } - public static function create_pmt(context:SrsTsContext, - pmt_number:int, pmt_pid:int, vpid:int, vs:SrsTsStream, apid:int, ts:SrsTsStream):SrsTsPacket - { - return null; - } - public static function create_pes_first(context:SrsTsContext, - pid:int, sid:SrsTsPESStreamId, continuity_counter:uint, discontinuity:Boolean, - pcr:Number, dts:Number, pts:Number, size:int):SrsTsPacket - { - return null; - } - public static function create_pes_continue(context:SrsTsContext, - pid:int, sid:SrsTsPESStreamId, continuity_counter:int - ):SrsTsPacket - { - return null; - } -}; - -/** - * the adaption field of ts packet. - * 2.4.3.5 Semantic definition of fields in adaptation field, hls-mpeg-ts-iso13818-1.pdf, page 39 - * Table 2-6 - Transport Stream adaptation field, hls-mpeg-ts-iso13818-1.pdf, page 40 - */ -class SrsTsAdaptationField -{ - // 1B - /** - * The adaptation_field_length is an 8-bit field specifying the number of bytes in the - * adaptation_field immediately following the adaptation_field_length. The value 0 is for inserting a single stuffing byte in - * a Transport Stream packet. When the adaptation_field_control value is '11', the value of the adaptation_field_length shall - * be in the range 0 to 182. When the adaptation_field_control value is '10', the value of the adaptation_field_length shall - * be 183. For Transport Stream packets carrying PES packets, stuffing is needed when there is insufficient PES packet data - * to completely fill the Transport Stream packet payload bytes. Stuffing is accomplished by defining an adaptation field - * longer than the sum of the lengths of the data elements in it, so that the payload bytes remaining after the adaptation field - * exactly accommodates the available PES packet data. The extra space in the adaptation field is filled with stuffing bytes. - * - * This is the only method of stuffing allowed for Transport Stream packets carrying PES packets. For Transport Stream - * packets carrying PSI, an alternative stuffing method is described in 2.4.4. - */ - public var adaption_field_length:int; //8bits - // 1B - /** - * This is a 1-bit field which when set to '1' indicates that the discontinuity state is true for the - * current Transport Stream packet. When the discontinuity_indicator is set to '0' or is not present, the discontinuity state is - * false. The discontinuity indicator is used to indicate two types of discontinuities, system time-base discontinuities and - * continuity_counter discontinuities. - * - * A system time-base discontinuity is indicated by the use of the discontinuity_indicator in Transport Stream packets of a - * PID designated as a PCR_PID (refer to 2.4.4.9). When the discontinuity state is true for a Transport Stream packet of a - * PID designated as a PCR_PID, the next PCR in a Transport Stream packet with that same PID represents a sample of a - * new system time clock for the associated program. The system time-base discontinuity point is defined to be the instant - * in time when the first byte of a packet containing a PCR of a new system time-base arrives at the input of the T-STD. - * The discontinuity_indicator shall be set to '1' in the packet in which the system time-base discontinuity occurs. The - * discontinuity_indicator bit may also be set to '1' in Transport Stream packets of the same PCR_PID prior to the packet - * which contains the new system time-base PCR. In this case, once the discontinuity_indicator has been set to '1', it shall - * continue to be set to '1' in all Transport Stream packets of the same PCR_PID up to and including the Transport Stream - * packet which contains the first PCR of the new system time-base. After the occurrence of a system time-base - * discontinuity, no fewer than two PCRs for the new system time-base shall be received before another system time-base - * discontinuity can occur. Further, except when trick mode status is true, data from no more than two system time-bases - * shall be present in the set of T-STD buffers for one program at any time. - * - * Prior to the occurrence of a system time-base discontinuity, the first byte of a Transport Stream packet which contains a - * PTS or DTS which refers to the new system time-base shall not arrive at the input of the T-STD. After the occurrence of - * a system time-base discontinuity, the first byte of a Transport Stream packet which contains a PTS or DTS which refers - * to the previous system time-base shall not arrive at the input of the T-STD. - * - * A continuity_counter discontinuity is indicated by the use of the discontinuity_indicator in any Transport Stream packet. - * When the discontinuity state is true in any Transport Stream packet of a PID not designated as a PCR_PID, the - * continuity_counter in that packet may be discontinuous with respect to the previous Transport Stream packet of the same - * PID. When the discontinuity state is true in a Transport Stream packet of a PID that is designated as a PCR_PID, the - * continuity_counter may only be discontinuous in the packet in which a system time-base discontinuity occurs. A - * continuity counter discontinuity point occurs when the discontinuity state is true in a Transport Stream packet and the - * continuity_counter in the same packet is discontinuous with respect to the previous Transport Stream packet of the same - * PID. A continuity counter discontinuity point shall occur at most one time from the initiation of the discontinuity state - * until the conclusion of the discontinuity state. Furthermore, for all PIDs that are not designated as PCR_PIDs, when the - * discontinuity_indicator is set to '1' in a packet of a specific PID, the discontinuity_indicator may be set to '1' in the next - * Transport Stream packet of that same PID, but shall not be set to '1' in three consecutive Transport Stream packet of that - * same PID. - * - * For the purpose of this clause, an elementary stream access point is defined as follows: - * Video - The first byte of a video sequence header. - * Audio - The first byte of an audio frame. - * - * After a continuity counter discontinuity in a Transport packet which is designated as containing elementary stream data, - * the first byte of elementary stream data in a Transport Stream packet of the same PID shall be the first byte of an - * elementary stream access point or in the case of video, the first byte of an elementary stream access point or a - * sequence_end_code followed by an access point. Each Transport Stream packet which contains elementary stream data - * with a PID not designated as a PCR_PID, and in which a continuity counter discontinuity point occurs, and in which a - * PTS or DTS occurs, shall arrive at the input of the T-STD after the system time-base discontinuity for the associated - * program occurs. In the case where the discontinuity state is true, if two consecutive Transport Stream packets of the same - * PID occur which have the same continuity_counter value and have adaptation_field_control values set to '01' or '11', the - * second packet may be discarded. A Transport Stream shall not be constructed in such a way that discarding such a packet - * will cause the loss of PES packet payload data or PSI data. - * - * After the occurrence of a discontinuity_indicator set to '1' in a Transport Stream packet which contains PSI information, - * a single discontinuity in the version_number of PSI sections may occur. At the occurrence of such a discontinuity, a - * version of the TS_program_map_sections of the appropriate program shall be sent with section_length = = 13 and the - * current_next_indicator = = 1, such that there are no program_descriptors and no elementary streams described. This shall - * then be followed by a version of the TS_program_map_section for each affected program with the version_number - * incremented by one and the current_next_indicator = = 1, containing a complete program definition. This indicates a - * version change in PSI data. - */ - public var discontinuity_indicator:int; //1bit - /** - * The random_access_indicator is a 1-bit field that indicates that the current Transport - * Stream packet, and possibly subsequent Transport Stream packets with the same PID, contain some information to aid - * random access at this point. Specifically, when the bit is set to '1', the next PES packet to start in the payload of Transport - * Stream packets with the current PID shall contain the first byte of a video sequence header if the PES stream type (refer - * to Table 2-29) is 1 or 2, or shall contain the first byte of an audio frame if the PES stream type is 3 or 4. In addition, in - * the case of video, a presentation timestamp shall be present in the PES packet containing the first picture following the - * sequence header. In the case of audio, the presentation timestamp shall be present in the PES packet containing the first - * byte of the audio frame. In the PCR_PID the random_access_indicator may only be set to '1' in Transport Stream packet - * containing the PCR fields. - */ - public var random_access_indicator:int; //1bit - /** - * The elementary_stream_priority_indicator is a 1-bit field. It indicates, among - * packets with the same PID, the priority of the elementary stream data carried within the payload of this Transport Stream - * packet. A '1' indicates that the payload has a higher priority than the payloads of other Transport Stream packets. In the - * case of video, this field may be set to '1' only if the payload contains one or more bytes from an intra-coded slice. A - * value of '0' indicates that the payload has the same priority as all other packets which do not have this bit set to '1'. - */ - public var elementary_stream_priority_indicator:int; //1bit - /** - * The PCR_flag is a 1-bit flag. A value of '1' indicates that the adaptation_field contains a PCR field coded in - * two parts. A value of '0' indicates that the adaptation field does not contain any PCR field. - */ - public var PCR_flag:int; //1bit - /** - * The OPCR_flag is a 1-bit flag. A value of '1' indicates that the adaptation_field contains an OPCR field - * coded in two parts. A value of '0' indicates that the adaptation field does not contain any OPCR field. - */ - public var OPCR_flag:int; //1bit - /** - * The splicing_point_flag is a 1-bit flag. When set to '1', it indicates that a splice_countdown field - * shall be present in the associated adaptation field, specifying the occurrence of a splicing point. A value of '0' indicates - * that a splice_countdown field is not present in the adaptation field. - */ - public var splicing_point_flag:int; //1bit - /** - * The transport_private_data_flag is a 1-bit flag. A value of '1' indicates that the - * adaptation field contains one or more private_data bytes. A value of '0' indicates the adaptation field does not contain any - * private_data bytes. - */ - public var transport_private_data_flag:int; //1bit - /** - * The adaptation_field_extension_flag is a 1-bit field which when set to '1' indicates - * the presence of an adaptation field extension. A value of '0' indicates that an adaptation field extension is not present in - * the adaptation field. - */ - public var adaptation_field_extension_flag:int; //1bit - - // if PCR_flag, 6B - /** - * The program_clock_reference (PCR) is a - * 42-bit field coded in two parts. The first part, program_clock_reference_base, is a 33-bit field whose value is given by - * PCR_base(i), as given in equation 2-2. The second part, program_clock_reference_extension, is a 9-bit field whose value - * is given by PCR_ext(i), as given in equation 2-3. The PCR indicates the intended time of arrival of the byte containing - * the last bit of the program_clock_reference_base at the input of the system target decoder. - */ - public var program_clock_reference_base:Number; //33bits - /** - * 6bits reserved, must be '1' - */ - public var const1_value0:int; // 6bits - public var program_clock_reference_extension:int; //9bits - - // if OPCR_flag, 6B - /** - * The optional original - * program reference (OPCR) is a 42-bit field coded in two parts. These two parts, the base and the extension, are coded - * identically to the two corresponding parts of the PCR field. The presence of the OPCR is indicated by the OPCR_flag. - * The OPCR field shall be coded only in Transport Stream packets in which the PCR field is present. OPCRs are permitted - * in both single program and multiple program Transport Streams. - * - * OPCR assists in the reconstruction of a single program Transport Stream from another Transport Stream. When - * reconstructing the original single program Transport Stream, the OPCR may be copied to the PCR field. The resulting - * PCR value is valid only if the original single program Transport Stream is reconstructed exactly in its entirety. This - * would include at least any PSI and private data packets which were present in the original Transport Stream and would - * possibly require other private arrangements. It also means that the OPCR must be an identical copy of its associated PCR - * in the original single program Transport Stream. - */ - public var original_program_clock_reference_base:Number; //33bits - /** - * 6bits reserved, must be '1' - */ - public var const1_value2:int; // 6bits - public var original_program_clock_reference_extension:int; //9bits - - // if splicing_point_flag, 1B - /** - * The splice_countdown is an 8-bit field, representing a value which may be positive or negative. A - * positive value specifies the remaining number of Transport Stream packets, of the same PID, following the associated - * Transport Stream packet until a splicing point is reached. Duplicate Transport Stream packets and Transport Stream - * packets which only contain adaptation fields are excluded. The splicing point is located immediately after the last byte of - * the Transport Stream packet in which the associated splice_countdown field reaches zero. In the Transport Stream packet - * where the splice_countdown reaches zero, the last data byte of the Transport Stream packet payload shall be the last byte - * of a coded audio frame or a coded picture. In the case of video, the corresponding access unit may or may not be - * terminated by a sequence_end_code. Transport Stream packets with the same PID, which follow, may contain data from - * a different elementary stream of the same type. - * - * The payload of the next Transport Stream packet of the same PID (duplicate packets and packets without payload being - * excluded) shall commence with the first byte of a PES packet.In the case of audio, the PES packet payload shall - * commence with an access point. In the case of video, the PES packet payload shall commence with an access point, or - * with a sequence_end_code, followed by an access point. Thus, the previous coded audio frame or coded picture aligns - * with the packet boundary, or is padded to make this so. Subsequent to the splicing point, the countdown field may also - * be present. When the splice_countdown is a negative number whose value is minus n(-n), it indicates that the associated - * Transport Stream packet is the n-th packet following the splicing point (duplicate packets and packets without payload - * being excluded). - * - * For the purposes of this subclause, an access point is defined as follows: - * Video - The first byte of a video_sequence_header. - * Audio - The first byte of an audio frame. - */ - public var splice_countdown:int; //8bits - - // if transport_private_data_flag, 1+p[0] B - /** - * The transport_private_data_length is an 8-bit field specifying the number of - * private_data bytes immediately following the transport private_data_length field. The number of private_data bytes shall - * not be such that private data extends beyond the adaptation field. - */ - public var transport_private_data_length:int; //8bits - public var transport_private_data:ByteArray; //[transport_private_data_length]bytes - - // if adaptation_field_extension_flag, 2+x B - /** - * The adaptation_field_extension_length is an 8-bit field. It indicates the number of - * bytes of the extended adaptation field data immediately following this field, including reserved bytes if present. - */ - public var adaptation_field_extension_length:int; //8bits - /** - * This is a 1-bit field which when set to '1' indicates the presence of the ltw_offset - * field. - */ - public var ltw_flag:int; //1bit - /** - * This is a 1-bit field which when set to '1' indicates the presence of the piecewise_rate field. - */ - public var piecewise_rate_flag:int; //1bit - /** - * This is a 1-bit flag which when set to '1' indicates that the splice_type and DTS_next_AU fields - * are present. A value of '0' indicates that neither splice_type nor DTS_next_AU fields are present. This field shall not be - * set to '1' in Transport Stream packets in which the splicing_point_flag is not set to '1'. Once it is set to '1' in a Transport - * Stream packet in which the splice_countdown is positive, it shall be set to '1' in all the subsequent Transport Stream - * packets of the same PID that have the splicing_point_flag set to '1', until the packet in which the splice_countdown - * reaches zero (including this packet). When this flag is set, if the elementary stream carried in this PID is an audio stream, - * the splice_type field shall be set to '0000'. If the elementary stream carried in this PID is a video stream, it shall fulfil the - * constraints indicated by the splice_type value. - */ - public var seamless_splice_flag:int; //1bit - /** - * reserved 5bits, must be '1' - */ - public var const1_value1:int; //5bits - // if ltw_flag, 2B - /** - * (legal time window_valid_flag) - This is a 1-bit field which when set to '1' indicates that the value of the - * ltw_offset shall be valid. A value of '0' indicates that the value in the ltw_offset field is undefined. - */ - public var ltw_valid_flag:int; //1bit - /** - * (legal time window offset) - This is a 15-bit field, the value of which is defined only if the ltw_valid flag has - * a value of '1'. When defined, the legal time window offset is in units of (300/fs) seconds, where fs is the system clock - * frequency of the program that this PID belongs to, and fulfils: - * offset = t1(i) - t(i) - * ltw_offset = offset//1 - * where i is the index of the first byte of this Transport Stream packet, offset is the value encoded in this field, t(i) is the - * arrival time of byte i in the T-STD, and t1(i) is the upper bound in time of a time interval called the Legal Time Window - * which is associated with this Transport Stream packet. - */ - public var ltw_offset:int; //15bits - // if piecewise_rate_flag, 3B - //2bits reserved - /** - * The meaning of this 22-bit field is only defined when both the ltw_flag and the ltw_valid_flag are set - * to '1'. When defined, it is a positive integer specifying a hypothetical bitrate R which is used to define the end times of - * the Legal Time Windows of Transport Stream packets of the same PID that follow this packet but do not include the - * legal_time_window_offset field. - */ - public var piecewise_rate:int; //22bits - // if seamless_splice_flag, 5B - /** - * This is a 4-bit field. From the first occurrence of this field onwards, it shall have the same value in all the - * subsequent Transport Stream packets of the same PID in which it is present, until the packet in which the - * splice_countdown reaches zero (including this packet). If the elementary stream carried in that PID is an audio stream, - * this field shall have the value '0000'. If the elementary stream carried in that PID is a video stream, this field indicates the - * conditions that shall be respected by this elementary stream for splicing purposes. These conditions are defined as a - * function of profile, level and splice_type in Table 2-7 through Table 2-16. - */ - public var splice_type:int; //4bits - /** - * (decoding time stamp next access unit) - This is a 33-bit field, coded in three parts. In the case of - * continuous and periodic decoding through this splicing point it indicates the decoding time of the first access unit - * following the splicing point. This decoding time is expressed in the time base which is valid in the Transport Stream - * packet in which the splice_countdown reaches zero. From the first occurrence of this field onwards, it shall have the - * same value in all the subsequent Transport Stream packets of the same PID in which it is present, until the packet in - * which the splice_countdown reaches zero (including this packet). - */ - public var DTS_next_AU0:int; //3bits - public var marker_bit0:int; //1bit - public var DTS_next_AU1:int; //15bits - public var marker_bit1:int; //1bit - public var DTS_next_AU2:int; //15bits - public var marker_bit2:int; //1bit - // left bytes. - /** - * This is a fixed 8-bit value equal to '1111 1111' that can be inserted by the encoder. It is discarded by the - * decoder. - */ - public var nb_af_ext_reserved:int; - - // left bytes. - /** - * This is a fixed 8-bit value equal to '1111 1111' that can be inserted by the encoder. It is discarded by the - * decoder. - */ - public var nb_af_reserved:int; - - private var packet:SrsTsPacket; - - public function SrsTsAdaptationField(pkt:SrsTsPacket) - { - packet = pkt; - - adaption_field_length = 0; - discontinuity_indicator = 0; - random_access_indicator = 0; - elementary_stream_priority_indicator = 0; - PCR_flag = 0; - OPCR_flag = 0; - splicing_point_flag = 0; - transport_private_data_flag = 0; - adaptation_field_extension_flag = 0; - program_clock_reference_base = 0; - program_clock_reference_extension = 0; - original_program_clock_reference_base = 0; - original_program_clock_reference_extension = 0; - splice_countdown = 0; - transport_private_data_length = 0; - transport_private_data = null; - adaptation_field_extension_length = 0; - ltw_flag = 0; - piecewise_rate_flag = 0; - seamless_splice_flag = 0; - ltw_valid_flag = 0; - ltw_offset = 0; - piecewise_rate = 0; - splice_type = 0; - DTS_next_AU0 = 0; - marker_bit0 = 0; - DTS_next_AU1 = 0; - marker_bit1 = 0; - DTS_next_AU2 = 0; - marker_bit2 = 0; - nb_af_ext_reserved = 0; - nb_af_reserved = 0; - - const1_value0 = 0x3F; - const1_value1 = 0x1F; - const1_value2 = 0x3F; - } - - public function decode(stream:ByteArray):void - { - if (stream.bytesAvailable < 2) { - throw new Error("ts: demux af failed."); - } - adaption_field_length = stream.readUnsignedByte(); - - // When the adaptation_field_control value is '11', the value of the adaptation_field_length shall - // be in the range 0 to 182. - if (packet.adaption_field_control == SrsTsAdaptationFieldType.Both && adaption_field_length > 182) { - throw new Error("ts: demux af length failed, must in [0, 182], actual=" + adaption_field_length); - } - // When the adaptation_field_control value is '10', the value of the adaptation_field_length shall - // be 183. - if (packet.adaption_field_control == SrsTsAdaptationFieldType.AdaptionOnly && adaption_field_length != 183) { - throw new Error("ts: demux af length failed, must be 183, actual=" + adaption_field_length); - } - - // no adaptation field. - if (adaption_field_length == 0) { - //info("ts: demux af empty."); - return; - } - - // the adaptation field start at here. - var pos_af:uint = stream.position; - var tmpv:int = stream.readUnsignedByte(); - - discontinuity_indicator = (tmpv >> 7) & 0x01; - random_access_indicator = (tmpv >> 6) & 0x01; - elementary_stream_priority_indicator = (tmpv >> 5) & 0x01; - PCR_flag = (tmpv >> 4) & 0x01; - OPCR_flag = (tmpv >> 3) & 0x01; - splicing_point_flag = (tmpv >> 2) & 0x01; - transport_private_data_flag = (tmpv >> 1) & 0x01; - adaptation_field_extension_flag = tmpv & 0x01; - - if (PCR_flag) { - if (stream.bytesAvailable < 6) { - throw new Error("ts: demux af PCR_flag failed."); - } - - // @remark, for as, should never shift the Number object. - // @remark, use pcr base and ignore the extension - // @see https://github.com/ossrs/srs/issues/250#issuecomment-71349370 - // first 33bits is pcr base. - program_clock_reference_base = (stream.readUnsignedInt() << 1) & 0x1fffffe; - var ch:uint = stream.readUnsignedByte(); - program_clock_reference_base += (ch >> 7) & 0x01; - // next 6bits is the const values - const1_value0 = (ch >> 1) & 0x3f; - // last 9bits is the pcr ext. - program_clock_reference_extension = (ch << 8) & 0x1ff; - program_clock_reference_extension |= stream.readUnsignedByte(); - } - - if (OPCR_flag) { - if (stream.bytesAvailable < 6) { - throw new Error("ts: demux af OPCR_flag failed."); - } - // @remark, for as, should never shift the Number object. - // @remark, use pcr base and ignore the extension - // @see https://github.com/ossrs/srs/issues/250#issuecomment-71349370 - // first 33bits is pcr base. - original_program_clock_reference_base = (stream.readUnsignedInt() << 1) & 0x1fffffe; - ch = stream.readUnsignedByte(); - original_program_clock_reference_base += (ch >> 7) & 0x01; - // next 6bits is the const values - const1_value2 = (ch >> 1) & 0x3f; - // last 9bits is the pcr ext. - original_program_clock_reference_extension = (ch << 8) & 0x1ff; - original_program_clock_reference_extension |= stream.readUnsignedByte(); - } - - if (splicing_point_flag) { - if (stream.bytesAvailable < 1) { - throw new Error("ts: demux af splicing_point_flag failed."); - } - splice_countdown = stream.readUnsignedByte(); - } - - if (transport_private_data_flag) { - if (stream.bytesAvailable < 1) { - throw new Error("ts: demux af transport_private_data_flag failed."); - } - transport_private_data_length = stream.readUnsignedByte(); - - if (transport_private_data_length> 0) { - if (stream.bytesAvailable < transport_private_data_length) { - throw new Error("ts: demux af transport_private_data_flag failed."); - } - transport_private_data = new ByteArray(); - stream.readBytes(transport_private_data, 0, transport_private_data_length); - } - } - - if (adaptation_field_extension_flag) { - var pos_af_ext:uint = stream.position; - - if (stream.bytesAvailable < 2) { - throw new Error("ts: demux af adaptation_field_extension_flag failed."); - } - adaptation_field_extension_length = stream.readUnsignedByte(); - var ltwfv:int = stream.readUnsignedByte(); - - piecewise_rate_flag = (ltwfv >> 6) & 0x01; - seamless_splice_flag = (ltwfv >> 5) & 0x01; - ltw_flag = (ltwfv >> 7) & 0x01; - const1_value1 = ltwfv & 0x1F; - - if (ltw_flag) { - if (stream.bytesAvailable < 2) { - throw new Error("ts: demux af ltw_flag failed."); - } - ltw_offset = stream.readUnsignedShort(); - - ltw_valid_flag = (ltw_offset >> 15) &0x01; - ltw_offset &= 0x7FFF; - } - - if (piecewise_rate_flag) { - if (stream.bytesAvailable < 3) { - throw new Error("ts: demux af piecewise_rate_flag failed."); - } - // skip -1 to read 4B for 3B actually - stream.position -= 1; - piecewise_rate = (stream.readUnsignedInt() & 0x00ffffff); - - piecewise_rate &= 0x3FFFFF; - } - - if (seamless_splice_flag) { - if (stream.bytesAvailable < 5) { - throw new Error("ts: demux af seamless_splice_flag failed"); - } - marker_bit0 = stream.readUnsignedByte(); - DTS_next_AU1 = stream.readUnsignedShort(); - DTS_next_AU2 = stream.readUnsignedShort(); - - splice_type = (marker_bit0 >> 4) & 0x0F; - DTS_next_AU0 = (marker_bit0 >> 1) & 0x07; - marker_bit0 &= 0x01; - - marker_bit1 = DTS_next_AU1 & 0x01; - DTS_next_AU1 = (DTS_next_AU1 >> 1) & 0x7FFF; - - marker_bit2 = DTS_next_AU2 & 0x01; - DTS_next_AU2 = (DTS_next_AU2 >> 1) & 0x7FFF; - } - - nb_af_ext_reserved = adaptation_field_extension_length - (stream.position - pos_af_ext); - stream.position += nb_af_ext_reserved; - } - - nb_af_reserved = adaption_field_length - (stream.position - pos_af); - stream.position += nb_af_reserved; - } -}; - -/** - * 2.4.4.4 Table_id assignments, hls-mpeg-ts-iso13818-1.pdf, page 62 - * The table_id field identifies the contents of a Transport Stream PSI section as shown in Table 2-26. - */ -class SrsTsPsiId extends SrsEnum -{ - public function SrsTsPsiId(v:int) - { - super(v); - } - public static function parse(v:int):SrsTsPsiId - { - switch (v) { - case 0x00: return SrsTsPsiId.Pas; - case 0x01: return SrsTsPsiId.Cas; - case 0x02: return SrsTsPsiId.Pms; - case 0x03: return SrsTsPsiId.Ds; - case 0x04: return SrsTsPsiId.Sds; - case 0x05: return SrsTsPsiId.Ods; - case 0x06: return SrsTsPsiId.Iso138181Start; - case 0x37: return SrsTsPsiId.Iso138181End; - case 0x38: return SrsTsPsiId.Iso138186Start; - case 0x3F: return SrsTsPsiId.Iso138186End; - case 0x40: return SrsTsPsiId.UserStart; - case 0xFE: return SrsTsPsiId.UserEnd; - case 0xFF: return SrsTsPsiId.Forbidden; - default: case 0x00: return SrsTsPsiId.Forbidden; - } - } - - // program_association_section - public static const Pas:SrsTsPsiId = new SrsTsPsiId(0x00); - // conditional_access_section (CA_section) - public static const Cas:SrsTsPsiId = new SrsTsPsiId(0x01); - // TS_program_map_section - public static const Pms:SrsTsPsiId = new SrsTsPsiId(0x02); - // TS_description_section - public static const Ds:SrsTsPsiId = new SrsTsPsiId(0x03); - // ISO_IEC_14496_scene_description_section - public static const Sds:SrsTsPsiId = new SrsTsPsiId(0x04); - // ISO_IEC_14496_object_descriptor_section - public static const Ods:SrsTsPsiId = new SrsTsPsiId(0x05); - // ITU-T Rec. H.222.0 | ISO/IEC 13818-1 reserved - public static const Iso138181Start:SrsTsPsiId = new SrsTsPsiId(0x06); - public static const Iso138181End:SrsTsPsiId = new SrsTsPsiId(0x37); - // Defined in ISO/IEC 13818-6 - public static const Iso138186Start:SrsTsPsiId = new SrsTsPsiId(0x38); - public static const Iso138186End:SrsTsPsiId = new SrsTsPsiId(0x3F); - // User private - public static const UserStart:SrsTsPsiId = new SrsTsPsiId(0x40); - public static const UserEnd:SrsTsPsiId = new SrsTsPsiId(0xFE); - // forbidden - public static const Forbidden:SrsTsPsiId = new SrsTsPsiId(0xFF); -}; - -/** - * the payload of ts packet, can be PES or PSI payload. - */ -class SrsTsPayload -{ - protected var packet:SrsTsPacket; - - public function SrsTsPayload(p:SrsTsPacket) - { - packet = p; - } - - public function decode(stream:ByteArray):SrsTsMessage - { - throw new Error("not implements"); - } -}; - -/** - * the PES payload of ts packet. - * 2.4.3.6 PES packet, hls-mpeg-ts-iso13818-1.pdf, page 49 - */ -class SrsTsPayloadPES extends SrsTsPayload -{ - // 3B - /** - * The packet_start_code_prefix is a 24-bit code. Together with the stream_id that follows it - * constitutes a packet start code that identifies the beginning of a packet. The packet_start_code_prefix is the bit string - * '0000 0000 0000 0000 0000 0001' (0x000001). - */ - public var packet_start_code_prefix:int; //24bits - // 1B - /** - * In Program Streams, the stream_id specifies the type and number of the elementary stream as defined by the - * stream_id Table 2-18. In Transport Streams, the stream_id may be set to any valid value which correctly describes the - * elementary stream type as defined in Table 2-18. In Transport Streams, the elementary stream type is specified in the - * Program Specific Information as specified in 2.4.4. - */ - // @see SrsTsPESStreamId, value can be SrsTsPESStreamIdAudioCommon or SrsTsPESStreamIdVideoCommon. - public var stream_id:int; //8bits - // 2B - /** - * A 16-bit field specifying the number of bytes in the PES packet following the last byte of the - * field. A value of 0 indicates that the PES packet length is neither specified nor bounded and is allowed only in - * PES packets whose payload consists of bytes from a video elementary stream contained in Transport Stream packets. - */ - public var PES_packet_length:int; //16bits - - // 1B - /** - * 2bits const '10' - */ - public var const2bits:int; //2bits - /** - * The 2-bit PES_scrambling_control field indicates the scrambling mode of the PES packet - * payload. When scrambling is performed at the PES level, the PES packet header, including the optional fields when - * present, shall not be scrambled (see Table 2-19). - */ - public var PES_scrambling_control:int; //2bits - /** - * This is a 1-bit field indicating the priority of the payload in this PES packet. A '1' indicates a higher - * priority of the payload of the PES packet payload than a PES packet payload with this field set to '0'. A multiplexor can - * use the PES_priority bit to prioritize its data within an elementary stream. This field shall not be changed by the transport - * mechanism. - */ - public var PES_priority:int; //1bit - /** - * This is a 1-bit flag. When set to a value of '1' it indicates that the PES packet header is - * immediately followed by the video start code or audio syncword indicated in the data_stream_alignment_descriptor - * in 2.6.10 if this descriptor is present. If set to a value of '1' and the descriptor is not present, alignment as indicated in - * alignment_type '01' in Table 2-47 and Table 2-48 is required. When set to a value of '0' it is not defined whether any such - * alignment occurs or not. - */ - public var data_alignment_indicator:int; //1bit - /** - * This is a 1-bit field. When set to '1' it indicates that the material of the associated PES packet payload is - * protected by copyright. When set to '0' it is not defined whether the material is protected by copyright. A copyright - * descriptor described in 2.6.24 is associated with the elementary stream which contains this PES packet and the copyright - * flag is set to '1' if the descriptor applies to the material contained in this PES packet - */ - public var copyright:int; //1bit - /** - * This is a 1-bit field. When set to '1' the contents of the associated PES packet payload is an original. - * When set to '0' it indicates that the contents of the associated PES packet payload is a copy. - */ - public var original_or_copy:int; //1bit - - // 1B - /** - * This is a 2-bit field. When the PTS_DTS_flags field is set to '10', the PTS fields shall be present in - * the PES packet header. When the PTS_DTS_flags field is set to '11', both the PTS fields and DTS fields shall be present - * in the PES packet header. When the PTS_DTS_flags field is set to '00' no PTS or DTS fields shall be present in the PES - * packet header. The value '01' is forbidden. - */ - public var PTS_DTS_flags:int; //2bits - /** - * A 1-bit flag, which when set to '1' indicates that ESCR base and extension fields are present in the PES - * packet header. When set to '0' it indicates that no ESCR fields are present. - */ - public var ESCR_flag:int; //1bit - /** - * A 1-bit flag, which when set to '1' indicates that the ES_rate field is present in the PES packet header. - * When set to '0' it indicates that no ES_rate field is present. - */ - public var ES_rate_flag:int; //1bit - /** - * A 1-bit flag, which when set to '1' it indicates the presence of an 8-bit trick mode field. When - * set to '0' it indicates that this field is not present. - */ - public var DSM_trick_mode_flag:int; //1bit - /** - * A 1-bit flag, which when set to '1' indicates the presence of the additional_copy_info field. - * When set to '0' it indicates that this field is not present. - */ - public var additional_copy_info_flag:int; //1bit - /** - * A 1-bit flag, which when set to '1' indicates that a CRC field is present in the PES packet. When set to - * '0' it indicates that this field is not present. - */ - public var PES_CRC_flag:int; //1bit - /** - * A 1-bit flag, which when set to '1' indicates that an extension field exists in this PES packet - * header. When set to '0' it indicates that this field is not present. - */ - public var PES_extension_flag:int; //1bit - - // 1B - /** - * An 8-bit field specifying the total number of bytes occupied by the optional fields and any - * stuffing bytes contained in this PES packet header. The presence of optional fields is indicated in the byte that precedes - * the PES_header_data_length field. - */ - public var PES_header_data_length:int; //8bits - - // 5B - /** - * Presentation times shall be related to decoding times as follows: The PTS is a 33-bit - * number coded in three separate fields. It indicates the time of presentation, tp n (k), in the system target decoder of a - * presentation unit k of elementary stream n. The value of PTS is specified in units of the period of the system clock - * frequency divided by 300 (yielding 90 kHz). The presentation time is derived from the PTS according to equation 2-11 - * below. Refer to 2.7.4 for constraints on the frequency of coding presentation timestamps. - */ - // ===========1B - // 4bits const - // 3bits PTS [32..30] - // 1bit const '1' - // ===========2B - // 15bits PTS [29..15] - // 1bit const '1' - // ===========2B - // 15bits PTS [14..0] - // 1bit const '1' - public var pts:Number; // 33bits - - // 5B - /** - * The DTS is a 33-bit number coded in three separate fields. It indicates the decoding time, - * td n (j), in the system target decoder of an access unit j of elementary stream n. The value of DTS is specified in units of - * the period of the system clock frequency divided by 300 (yielding 90 kHz). - */ - // ===========1B - // 4bits const - // 3bits DTS [32..30] - // 1bit const '1' - // ===========2B - // 15bits DTS [29..15] - // 1bit const '1' - // ===========2B - // 15bits DTS [14..0] - // 1bit const '1' - public var dts:Number; // 33bits - - // 6B - /** - * The elementary stream clock reference is a 42-bit field coded in two parts. The first - * part, ESCR_base, is a 33-bit field whose value is given by ESCR_base(i), as given in equation 2-14. The second part, - * ESCR_ext, is a 9-bit field whose value is given by ESCR_ext(i), as given in equation 2-15. The ESCR field indicates the - * intended time of arrival of the byte containing the last bit of the ESCR_base at the input of the PES-STD for PES streams - * (refer to 2.5.2.4). - */ - // 2bits reserved - // 3bits ESCR_base[32..30] - // 1bit const '1' - // 15bits ESCR_base[29..15] - // 1bit const '1' - // 15bits ESCR_base[14..0] - // 1bit const '1' - // 9bits ESCR_extension - // 1bit const '1' - public var ESCR_base:Number; //33bits - public var ESCR_extension:int; //9bits - - // 3B - /** - * The ES_rate field is a 22-bit unsigned integer specifying the rate at which the - * system target decoder receives bytes of the PES packet in the case of a PES stream. The ES_rate is valid in the PES - * packet in which it is included and in subsequent PES packets of the same PES stream until a new ES_rate field is - * encountered. The value of the ES_rate is measured in units of 50 bytes/second. The value 0 is forbidden. The value of the - * ES_rate is used to define the time of arrival of bytes at the input of a P-STD for PES streams defined in 2.5.2.4. The - * value encoded in the ES_rate field may vary from PES_packet to PES_packet. - */ - // 1bit const '1' - // 22bits ES_rate - // 1bit const '1' - public var ES_rate:int; //22bits - - // 1B - /** - * A 3-bit field that indicates which trick mode is applied to the associated video stream. In cases of - * other types of elementary streams, the meanings of this field and those defined by the following five bits are undefined. - * For the definition of trick_mode status, refer to the trick mode section of 2.4.2.3. - */ - public var trick_mode_control:int; //3bits - public var trick_mode_value:int; //5bits - - // 1B - // 1bit const '1' - /** - * This 7-bit field contains private data relating to copyright information. - */ - public var additional_copy_info:int; //7bits - - // 2B - /** - * The previous_PES_packet_CRC is a 16-bit field that contains the CRC value that yields - * a zero output of the 16 registers in the decoder similar to the one defined in Annex A, - */ - public var previous_PES_packet_CRC:int; //16bits - - // 1B - /** - * A 1-bit flag which when set to '1' indicates that the PES packet header contains private data. - * When set to a value of '0' it indicates that private data is not present in the PES header. - */ - public var PES_private_data_flag:int; //1bit - /** - * A 1-bit flag which when set to '1' indicates that an ISO/IEC 11172-1 pack header or a - * Program Stream pack header is stored in this PES packet header. If this field is in a PES packet that is contained in a - * Program Stream, then this field shall be set to '0'. In a Transport Stream, when set to the value '0' it indicates that no pack - * header is present in the PES header. - */ - public var pack_header_field_flag:int; //1bit - /** - * A 1-bit flag which when set to '1' indicates that the - * program_packet_sequence_counter, MPEG1_MPEG2_identifier, and original_stuff_length fields are present in this - * PES packet. When set to a value of '0' it indicates that these fields are not present in the PES header. - */ - public var program_packet_sequence_counter_flag:int; //1bit - /** - * A 1-bit flag which when set to '1' indicates that the P-STD_buffer_scale and P-STD_buffer_size - * are present in the PES packet header. When set to a value of '0' it indicates that these fields are not present in the - * PES header. - */ - public var P_STD_buffer_flag:int; //1bit - /** - * reverved value, must be '1' - */ - public var const1_value0:int; //3bits - /** - * A 1-bit field which when set to '1' indicates the presence of the PES_extension_field_length - * field and associated fields. When set to a value of '0' this indicates that the PES_extension_field_length field and any - * associated fields are not present. - */ - public var PES_extension_flag_2:int; //1bit - - // 16B - /** - * This is a 16-byte field which contains private data. This data, combined with the fields before and - * after, shall not emulate the packet_start_code_prefix (0x000001). - */ - public var PES_private_data:ByteArray; //128bits - - // (1+x)B - /** - * This is an 8-bit field which indicates the length, in bytes, of the pack_header_field(). - */ - public var pack_field_length:int; //8bits - public var pack_field:ByteArray; //[pack_field_length] bytes - - // 2B - // 1bit const '1' - /** - * The program_packet_sequence_counter field is a 7-bit field. It is an optional - * counter that increments with each successive PES packet from a Program Stream or from an ISO/IEC 11172-1 Stream or - * the PES packets associated with a single program definition in a Transport Stream, providing functionality similar to a - * continuity counter (refer to 2.4.3.2). This allows an application to retrieve the original PES packet sequence of a Program - * Stream or the original packet sequence of the original ISO/IEC 11172-1 stream. The counter will wrap around to 0 after - * its maximum value. Repetition of PES packets shall not occur. Consequently, no two consecutive PES packets in the - * program multiplex shall have identical program_packet_sequence_counter values. - */ - public var program_packet_sequence_counter:int; //7bits - // 1bit const '1' - /** - * A 1-bit flag which when set to '1' indicates that this PES packet carries information from - * an ISO/IEC 11172-1 stream. When set to '0' it indicates that this PES packet carries information from a Program Stream. - */ - public var MPEG1_MPEG2_identifier:int; //1bit - /** - * This 6-bit field specifies the number of stuffing bytes used in the original ITU-T - * Rec. H.222.0 | ISO/IEC 13818-1 PES packet header or in the original ISO/IEC 11172-1 packet header. - */ - public var original_stuff_length:int; //6bits - - // 2B - // 2bits const '01' - /** - * The P-STD_buffer_scale is a 1-bit field, the meaning of which is only defined if this PES packet - * is contained in a Program Stream. It indicates the scaling factor used to interpret the subsequent P-STD_buffer_size field. - * If the preceding stream_id indicates an audio stream, P-STD_buffer_scale shall have the value '0'. If the preceding - * stream_id indicates a video stream, P-STD_buffer_scale shall have the value '1'. For all other stream types, the value - * may be either '1' or '0'. - */ - public var P_STD_buffer_scale:int; //1bit - /** - * The P-STD_buffer_size is a 13-bit unsigned integer, the meaning of which is only defined if this - * PES packet is contained in a Program Stream. It defines the size of the input buffer, BS n , in the P-STD. If - * P-STD_buffer_scale has the value '0', then the P-STD_buffer_size measures the buffer size in units of 128 bytes. If - * P-STD_buffer_scale has the value '1', then the P-STD_buffer_size measures the buffer size in units of 1024 bytes. - */ - public var P_STD_buffer_size:int; //13bits - - // (1+x)B - // 1bit const '1' - /** - * This is a 7-bit field which specifies the length, in bytes, of the data following this field in - * the PES extension field up to and including any reserved bytes. - */ - public var PES_extension_field_length:int; //7bits - public var PES_extension_field:ByteArray; //[PES_extension_field_length] bytes - - // NB - /** - * This is a fixed 8-bit value equal to '1111 1111' that can be inserted by the encoder, for example to meet - * the requirements of the channel. It is discarded by the decoder. No more than 32 stuffing bytes shall be present in one - * PES packet header. - */ - public var nb_stuffings:int; - - // NB - /** - * PES_packet_data_bytes shall be contiguous bytes of data from the elementary stream - * indicated by the packet’s stream_id or PID. When the elementary stream data conforms to ITU-T - * Rec. H.262 | ISO/IEC 13818-2 or ISO/IEC 13818-3, the PES_packet_data_bytes shall be byte aligned to the bytes of this - * Recommendation | International Standard. The byte-order of the elementary stream shall be preserved. The number of - * PES_packet_data_bytes, N, is specified by the PES_packet_length field. N shall be equal to the value indicated in the - * PES_packet_length minus the number of bytes between the last byte of the PES_packet_length field and the first - * PES_packet_data_byte. - * - * In the case of a private_stream_1, private_stream_2, ECM_stream, or EMM_stream, the contents of the - * PES_packet_data_byte field are user definable and will not be specified by ITU-T | ISO/IEC in the future. - */ - public var nb_bytes:int; - - // NB - /** - * This is a fixed 8-bit value equal to '1111 1111'. It is discarded by the decoder. - */ - public var nb_paddings:int; - - private var _log:ILogger = new TraceLogger("HLS"); - - public function SrsTsPayloadPES(p:SrsTsPacket) - { - super(p); - - PES_private_data = null; - pack_field = null; - PES_extension_field = null; - nb_stuffings = 0; - nb_bytes = 0; - nb_paddings = 0; - const2bits = 0x02; - const1_value0 = 0x07; - } - - override public function decode(stream:ByteArray):SrsTsMessage - { - // find the channel from chunk. - var channel:SrsTsChannel = packet.context.getChannel(packet.pid); - if (!channel) { - throw new Error("ts: demux PES no channel, pid=" + packet.pid); - } - - // init msg. - var msg:SrsTsMessage = channel.msg; - if (!msg) { - msg = new SrsTsMessage(channel, packet); - channel.msg = msg; - } - - // we must cache the fresh state of msg, - // for the PES_packet_length is 0, the first payload_unit_start_indicator always 1, - // so should check for the fresh and not completed it. - var is_fresh_msg:Boolean = msg.fresh(); - - // check when fresh, the payload_unit_start_indicator - // should be 1 for the fresh msg. - if (is_fresh_msg && !packet.payload_unit_start_indicator) { - _log.error("ts: PES fresh packet length={0}, us={1}, cc={2}", - msg.PES_packet_length, packet.payload_unit_start_indicator, packet.continuity_counter); - throw new Error("ts: PES fresh packet invalid."); - } - - // check when not fresh and PES_packet_length>0, - // the payload_unit_start_indicator should never be 1 when not completed. - if (!is_fresh_msg && msg.PES_packet_length > 0 - && !msg.completed(packet.payload_unit_start_indicator) - && packet.payload_unit_start_indicator - ) { - _log.error("ts: PES packet length={0}, us={1}, cc={2}", - msg.PES_packet_length, packet.payload_unit_start_indicator, packet.continuity_counter); - throw new Error("ts: PES packet length invalid."); - - // reparse current msg. - stream.position = 0; - channel.msg = null; - return null; - } - - // check the continuity counter - if (!is_fresh_msg) { - // late-incoming or duplicated continuity, drop message. - // @remark check overflow, the counter plus 1 should greater when invalid. - if (msg.continuity_counter >= packet.continuity_counter - && ((msg.continuity_counter + 1) & 0x0f) > packet.continuity_counter - ) { - _log.warn("ts: drop PES {0}B for duplicated cc={1}", - stream.length, msg.continuity_counter); - stream.position = 0; - return null; - } - - // when got partially message, the continous count must be continuous, or drop it. - if (((msg.continuity_counter + 1) & 0x0f) != packet.continuity_counter) { - _log.error("ts: continuity must be continous, msg={0}, packet={1}", - msg.continuity_counter, packet.continuity_counter); - throw new Error("ts: continuity must be continous."); - - // reparse current msg. - stream.position = 0; - channel.msg = null; - return null; - } - } - msg.continuity_counter = packet.continuity_counter; - - // for the PES_packet_length(0), reap when completed. - if (!is_fresh_msg && msg.completed(packet.payload_unit_start_indicator)) { - // reap previous PES packet. - channel.msg = null; - - // reparse current msg. - stream.position = 0; - return msg; - } - - // contious packet, append bytes for unit start is 0 - if (!packet.payload_unit_start_indicator) { - nb_bytes = msg.dump(stream); - } - - // when unit start, parse the fresh msg. - if (packet.payload_unit_start_indicator) { - // 6B fixed header. - if (stream.bytesAvailable < 6) { - throw new Error("ts: demux PSE failed."); - } - // 3B - stream.position -= 1; - packet_start_code_prefix = (stream.readUnsignedInt()) & 0x00ffffff; - // 1B - stream_id = stream.readUnsignedByte(); - // 2B - PES_packet_length = stream.readUnsignedShort(); - - // check the packet start prefix. - packet_start_code_prefix &= 0xFFFFFF; - if (packet_start_code_prefix != 0x01) { - _log.error("ts: demux PES start code failed, expect=0x01, actual={0}", - packet_start_code_prefix); - throw new Error("ts: demux PES start code failed."); - } - var pos_packet:uint = stream.position; - - // @remark the sid indicates the elementary stream format. - // the SrsTsPESStreamIdAudio and SrsTsPESStreamIdVideo is start by 0b110 or 0b1110 - var sid:SrsTsPESStreamId = SrsTsPESStreamId.parse(stream_id); - msg.sid = sid; - - if (sid.notEquals(SrsTsPESStreamId.ProgramStreamMap) - && sid.notEquals(SrsTsPESStreamId.PaddingStream) - && sid.notEquals(SrsTsPESStreamId.PrivateStream2) - && sid.notEquals(SrsTsPESStreamId.EcmStream) - && sid.notEquals(SrsTsPESStreamId.EmmStream) - && sid.notEquals(SrsTsPESStreamId.ProgramStreamDirectory) - && sid.notEquals(SrsTsPESStreamId.DsmccStream) - && sid.notEquals(SrsTsPESStreamId.H2221TypeE) - ) { - // 3B flags. - if (stream.bytesAvailable < 3) { - throw new Error("ts: demux PSE flags failed."); - } - // 1B - var oocv:int = stream.readUnsignedByte(); - // 1B - var pefv:int = stream.readUnsignedByte(); - // 1B - PES_header_data_length = stream.readUnsignedByte(); - // position of header start. - var pos_header:uint = stream.position; - - const2bits = (oocv >> 6) & 0x03; - PES_scrambling_control = (oocv >> 4) & 0x03; - PES_priority = (oocv >> 3) & 0x01; - data_alignment_indicator = (oocv >> 2) & 0x01; - copyright = (oocv >> 1) & 0x01; - original_or_copy = oocv & 0x01; - - PTS_DTS_flags = (pefv >> 6) & 0x03; - ESCR_flag = (pefv >> 5) & 0x01; - ES_rate_flag = (pefv >> 4) & 0x01; - DSM_trick_mode_flag = (pefv >> 3) & 0x01; - additional_copy_info_flag = (pefv >> 2) & 0x01; - PES_CRC_flag = (pefv >> 1) & 0x01; - PES_extension_flag = pefv & 0x01; - - // check required together. - var nb_required:int = 0; - nb_required += (PTS_DTS_flags == 0x2)? 5:0; - nb_required += (PTS_DTS_flags == 0x3)? 10:0; - nb_required += ESCR_flag? 6:0; - nb_required += ES_rate_flag? 3:0; - nb_required += DSM_trick_mode_flag? 1:0; - nb_required += additional_copy_info_flag? 1:0; - nb_required += PES_CRC_flag? 2:0; - nb_required += PES_extension_flag? 1:0; - if (stream.bytesAvailable < nb_required) { - throw new Error("ts: demux PSE payload failed."); - } - - // 5B - if (PTS_DTS_flags == 0x2) { - pts = decode_33bits_dts_pts(stream); - dts = pts; - - // update the dts and pts of message. - msg.dts = dts; - msg.pts = pts; - } - - // 10B - if (PTS_DTS_flags == 0x3) { - pts = decode_33bits_dts_pts(stream); - dts = decode_33bits_dts_pts(stream); - - // check sync, the diff of dts and pts should never greater than 1s. - if (dts - pts > 90000 || pts - dts > 90000) { - _log.warn("ts: sync dts={0}, pts={1}", dts, pts); - } - - // update the dts and pts of message. - msg.dts = dts; - msg.pts = pts; - } - - // 6B - if (ESCR_flag) { - ESCR_extension = 0; - ESCR_base = 0; - - stream.position += 6; - _log.warn("ts: demux PES, ignore the escr."); - } - - // 3B - if (ES_rate_flag) { - // skip -1 to read 4bytes for the ES_rate is 3B. - stream.position -= 1; - ES_rate = (stream.readUnsignedInt() & 0x00ffffff); - - ES_rate = ES_rate >> 1; - ES_rate &= 0x3FFFFF; - } - - // 1B - if (DSM_trick_mode_flag) { - trick_mode_control = stream.readUnsignedByte(); - - trick_mode_value = trick_mode_control & 0x1f; - trick_mode_control = (trick_mode_control >> 5) & 0x03; - } - - // 1B - if (additional_copy_info_flag) { - additional_copy_info = stream.readUnsignedByte(); - - additional_copy_info &= 0x7f; - } - - // 2B - if (PES_CRC_flag) { - previous_PES_packet_CRC = stream.readUnsignedShort(); - } - - // 1B - if (PES_extension_flag) { - var efv:int = stream.readUnsignedByte(); - - PES_private_data_flag = (efv >> 7) & 0x01; - pack_header_field_flag = (efv >> 6) & 0x01; - program_packet_sequence_counter_flag = (efv >> 5) & 0x01; - P_STD_buffer_flag = (efv >> 4) & 0x01; - const1_value0 = (efv >> 1) & 0x07; - PES_extension_flag_2 = efv & 0x01; - - nb_required = 0; - nb_required += PES_private_data_flag? 16:0; - nb_required += pack_header_field_flag? 1:0; // 1+x bytes. - nb_required += program_packet_sequence_counter_flag? 2:0; - nb_required += P_STD_buffer_flag? 2:0; - nb_required += PES_extension_flag_2? 1:0; // 1+x bytes. - if (stream.bytesAvailable < nb_required) { - throw new Error("ts: demux PSE ext payload failed."); - } - - // 16B - if (PES_private_data_flag) { - PES_private_data = new ByteArray(); - stream.readBytes(PES_private_data, 0, 16); - } - - // (1+x)B - if (pack_header_field_flag) { - pack_field_length = stream.readUnsignedByte(); - if (pack_field_length > 0) { - // the adjust required bytes. - nb_required = nb_required - 16 - 1 + pack_field_length; - if (stream.bytesAvailable < nb_required) { - throw new Error("ts: demux PSE ext pack failed."); - } - pack_field = new ByteArray(); - stream.readBytes(pack_field, 0, pack_field_length); - } - } - - // 2B - if (program_packet_sequence_counter_flag) { - program_packet_sequence_counter = stream.readUnsignedByte(); - program_packet_sequence_counter &= 0x7f; - - original_stuff_length = stream.readUnsignedByte(); - MPEG1_MPEG2_identifier = (original_stuff_length >> 6) & 0x01; - original_stuff_length &= 0x3f; - } - - // 2B - if (P_STD_buffer_flag) { - P_STD_buffer_size = stream.readUnsignedShort(); - - // '01' - //int8_t const2bits = (P_STD_buffer_scale >>14) & 0x03; - - P_STD_buffer_scale = (P_STD_buffer_scale >>13) & 0x01; - P_STD_buffer_size &= 0x1FFF; - } - - // (1+x)B - if (PES_extension_flag_2) { - PES_extension_field_length = stream.readUnsignedByte(); - PES_extension_field_length &= 0x07; - - if (PES_extension_field_length > 0) { - if (stream.bytesAvailable < PES_extension_field_length) { - throw new Error("ts: demux PSE ext field failed."); - } - PES_extension_field = new ByteArray(); - stream.readBytes(PES_extension_field, 0, PES_extension_field_length); - } - } - } - - // stuffing_byte - nb_stuffings = PES_header_data_length - (stream.position - pos_header); - if (nb_stuffings > 0) { - if (stream.bytesAvailable < nb_stuffings) { - throw new Error("ts: demux PSE stuffings failed."); - } - stream.position += nb_stuffings; - } - - // PES_packet_data_byte, page58. - // the packet size contains the header size. - // The number of PES_packet_data_bytes, N, is specified by the - // PES_packet_length field. N shall be equal to the value - // indicated in the PES_packet_length minus the number of bytes - // between the last byte of the PES_packet_length field and the - // first PES_packet_data_byte. - /** - * when actual packet length > 0xffff(65535), - * which exceed the max u_int16_t packet length, - * use 0 packet length, the next unit start indicates the end of packet. - */ - if (PES_packet_length > 0) { - var nb_packet:uint = PES_packet_length - (stream.position - pos_packet); - msg.PES_packet_length = (uint)(Math.max(0, nb_packet)); - } - - // xB - nb_bytes = msg.dump(stream); - } else if (sid.equals(SrsTsPESStreamId.ProgramStreamMap) - || sid.equals(SrsTsPESStreamId.PrivateStream2) - || sid.equals(SrsTsPESStreamId.EcmStream) - || sid.equals(SrsTsPESStreamId.EmmStream) - || sid.equals(SrsTsPESStreamId.ProgramStreamDirectory) - || sid.equals(SrsTsPESStreamId.DsmccStream) - || sid.equals(SrsTsPESStreamId.H2221TypeE) - ) { - // for (i = 0; i < PES_packet_length; i++) { - // PES_packet_data_byte - // } - - // xB - nb_bytes = msg.dump(stream); - } else if (sid.equals(SrsTsPESStreamId.PaddingStream)) { - // for (i = 0; i < PES_packet_length; i++) { - // padding_byte - // } - nb_paddings = stream.length - stream.position; - stream.position = stream.length; - //info("ts: drop %dB padding bytes", nb_paddings); - } else { - var nb_drop:int = stream.length - stream.position; - stream.position = stream.length; - _log.warn("ts: drop the pes packet {0}B for stream_id={1}", nb_drop, stream_id); - } - } - - // when fresh and the PES_packet_length is 0, - // the payload_unit_start_indicator always be 1, - // the message should never EOF for the first packet. - if (is_fresh_msg && msg.PES_packet_length == 0) { - return null; - } - - // check msg, reap when completed. - if (msg.completed(packet.payload_unit_start_indicator)) { - channel.msg = null; - //info("ts: reap msg for completed."); - return msg; - } - - return null; - } - - private function decode_33bits_dts_pts(stream:ByteArray):Number - { - if (stream.bytesAvailable < 5) { - throw new Error("ts: demux PSE dts/pts failed"); - } - - // decode the 33bits schema. - // ===========1B - // 4bits const maybe '0001', '0010' or '0011'. - // 3bits DTS/PTS [32..30] - // 1bit const '1' - var dts_pts_30_32:uint = stream.readUnsignedByte(); - if ((dts_pts_30_32 & 0x01) != 0x01) { - throw new Error("ts: demux PSE dts/pts 30-32 failed."); - } - // @remark, we donot check the high 4bits, maybe '0001', '0010' or '0011'. - // so we just ensure the high 4bits is not 0x00. - if (((dts_pts_30_32 >> 4) & 0x0f) == 0x00) { - throw new Error("ts: demux PSE dts/pts 30-32 failed."); - } - dts_pts_30_32 = (dts_pts_30_32 >> 1) & 0x07; - - // ===========2B - // 15bits DTS/PTS [29..15] - // 1bit const '1' - var dts_pts_15_29:uint = stream.readUnsignedShort(); - if ((dts_pts_15_29 & 0x01) != 0x01) { - throw new Error("ts: demux PSE dts/pts 15-29 failed."); - } - dts_pts_15_29 = (dts_pts_15_29 >> 1) & 0x7fff; - - // ===========2B - // 15bits DTS/PTS [14..0] - // 1bit const '1' - var dts_pts_0_14:uint = stream.readUnsignedShort(); - if ((dts_pts_0_14 & 0x01) != 0x01) { - throw new Error("ts: demux PSE dts/pts 0-14 failed."); - } - dts_pts_0_14 = (dts_pts_0_14 >> 1) & 0x7fff; - - var v:uint = 0x00; - v += (dts_pts_30_32 << 30) & 0x1c0000000; - v += (dts_pts_15_29 << 15) & 0x3fff8000; - v += dts_pts_0_14 & 0x7fff; - return v; - } -}; - -/** - * the PSI payload of ts packet. - * 2.4.4 Program specific information, hls-mpeg-ts-iso13818-1.pdf, page 59 - */ -class SrsTsPayloadPSI extends SrsTsPayload -{ - // 1B - /** - * This is an 8-bit field whose value shall be the number of bytes, immediately following the pointer_field - * until the first byte of the first section that is present in the payload of the Transport Stream packet (so a value of 0x00 in - * the pointer_field indicates that the section starts immediately after the pointer_field). When at least one section begins in - * a given Transport Stream packet, then the payload_unit_start_indicator (refer to 2.4.3.2) shall be set to 1 and the first - * byte of the payload of that Transport Stream packet shall contain the pointer. When no section begins in a given - * Transport Stream packet, then the payload_unit_start_indicator shall be set to 0 and no pointer shall be sent in the - * payload of that packet. - */ - public var pointer_field:int; - // 1B - /** - * This is an 8-bit field, which shall be set to 0x00 as shown in Table 2-26. - */ - public var table_id:SrsTsPsiId; //8bits - - // 2B - /** - * The section_syntax_indicator is a 1-bit field which shall be set to '1'. - */ - public var section_syntax_indicator:int; //1bit - /** - * const value, must be '0' - */ - public var const0_value:int; //1bit - /** - * reverved value, must be '1' - */ - public var const1_value:int; //2bits - /** - * This is a 12-bit field, the first two bits of which shall be '00'. The remaining 10 bits specify the number - * of bytes of the section, starting immediately following the section_length field, and including the CRC. The value in this - * field shall not exceed 1021 (0x3FD). - */ - public var section_length:int; //12bits - - // the specified psi info, for example, PAT fields. - // 4B - /** - * This is a 32-bit field that contains the CRC value that gives a zero output of the registers in the decoder - * defined in Annex A after processing the entire section. - * @remark crc32(bytes without pointer field, before crc32 field) - */ - public var CRC_32:int; //32bits - - public function SrsTsPayloadPSI(p:SrsTsPacket) - { - super(p); - - pointer_field = 0; - const0_value = 0; - const1_value = 3; - CRC_32 = 0; - } - - override public function decode(stream:ByteArray):SrsTsMessage - { - /** - * When the payload of the Transport Stream packet contains PSI data, the payload_unit_start_indicator has the following - * significance: if the Transport Stream packet carries the first byte of a PSI section, the payload_unit_start_indicator value - * shall be '1', indicating that the first byte of the payload of this Transport Stream packet carries the pointer_field. If the - * Transport Stream packet does not carry the first byte of a PSI section, the payload_unit_start_indicator value shall be '0', - * indicating that there is no pointer_field in the payload. Refer to 2.4.4.1 and 2.4.4.2. This also applies to private streams of - * stream_type 5 (refer to Table 2-29). - */ - if (packet.payload_unit_start_indicator) { - if (stream.bytesAvailable < 1) { - throw new Error("ts: demux PSI failed."); - } - pointer_field = stream.readUnsignedByte(); - } - - // to calc the crc32 - var pat_pos:uint = stream.position; - - // atleast 3B for all psi. - if (stream.bytesAvailable < 3) { - throw new Error("ts: demux PSI failed."); - } - // 1B - table_id = SrsTsPsiId.parse(stream.readUnsignedByte()); - - // 2B - var slv:int = stream.readUnsignedShort(); - - section_syntax_indicator = (slv >> 15) & 0x01; - const0_value = (slv >> 14) & 0x01; - const1_value = (slv >> 12) & 0x03; - section_length = slv & 0x0FFF; - - // no section, ignore. - if (section_length == 0) { - // "ts: demux PAT ignore empty section" - return null; - } - - if (stream.bytesAvailable < section_length) { - throw new Error("ts: demux PAT section failed."); - } - - // call the virtual method of actual PSI. - psi_decode(stream); - - // 4B - if (stream.bytesAvailable < 4) { - throw new Error("ts: demux PSI crc32 failed."); - } - CRC_32 = stream.readUnsignedInt(); - - // verify crc32. - var pos:uint = stream.position; - - var crc32Bytes:ByteArray = new ByteArray(); - stream.position = pat_pos; - stream.readBytes(crc32Bytes, 0, pos - pat_pos - 4); - stream.position = pos; - - var expetCrc32:int = (int)(SrsUtils.srs_crc32(crc32Bytes)); - if (expetCrc32 != CRC_32) { - throw new Error("ts: verify PSI crc32 failed."); - } - stream.position = pos; - - // consume left stuffings - // TODO: FIXME: all stuffing must be 0xff. - stream.position = stream.length; - - return null; - } - - protected function psi_decode(stream:ByteArray):void - { - throw new Error("not implements"); - } -}; - -/** - * the program of PAT of PSI ts packet. - */ -class SrsTsPayloadPATProgram -{ - // 4B - /** - * Program_number is a 16-bit field. It specifies the program to which the program_map_PID is - * applicable. When set to 0x0000, then the following PID reference shall be the network PID. For all other cases the value - * of this field is user defined. This field shall not take any single value more than once within one version of the Program - * Association Table. - */ - public var number:int; // 16bits - /** - * reverved value, must be '1' - */ - public var const1_value:int; //3bits - /** - * program_map_PID/network_PID 13bits - * network_PID - The network_PID is a 13-bit field, which is used only in conjunction with the value of the - * program_number set to 0x0000, specifies the PID of the Transport Stream packets which shall contain the Network - * Information Table. The value of the network_PID field is defined by the user, but shall only take values as specified in - * Table 2-3. The presence of the network_PID is optional. - */ - public var pid:int; //13bits - - public function SrsTsPayloadPATProgram(n:int, p:int) - { - number = n; - pid = p; - const1_value = 0x07; - } - - public function decode(stream:ByteArray):void - { - // atleast 4B for PAT program specified - if (stream.bytesAvailable < 4) { - throw new Error("ts: demux PAT failed."); - } - - var tmpv:int = stream.readUnsignedInt(); - number = ((tmpv >> 16) & 0xFFFF); - const1_value = ((tmpv >> 13) & 0x07); - pid = (tmpv & 0x1FFF); - - return; - } -}; - -/** - * the PAT payload of PSI ts packet. - * 2.4.4.3 Program association Table, hls-mpeg-ts-iso13818-1.pdf, page 61 - * The Program Association Table provides the correspondence between a program_number and the PID value of the - * Transport Stream packets which carry the program definition. The program_number is the numeric label associated with - * a program. - */ -class SrsTsPayloadPAT extends SrsTsPayloadPSI -{ - // 2B - /** - * This is a 16-bit field which serves as a label to identify this Transport Stream from any other - * multiplex within a network. Its value is defined by the user. - */ - public var transport_stream_id:int; //16bits - - // 1B - /** - * reverved value, must be '1' - */ - public var const3_value:int; //2bits - /** - * This 5-bit field is the version number of the whole Program Association Table. The version number - * shall be incremented by 1 modulo 32 whenever the definition of the Program Association Table changes. When the - * current_next_indicator is set to '1', then the version_number shall be that of the currently applicable Program Association - * Table. When the current_next_indicator is set to '0', then the version_number shall be that of the next applicable Program - * Association Table. - */ - public var version_number:int; //5bits - /** - * A 1-bit indicator, which when set to '1' indicates that the Program Association Table sent is - * currently applicable. When the bit is set to '0', it indicates that the table sent is not yet applicable and shall be the next - * table to become valid. - */ - public var current_next_indicator:int; //1bit - - // 1B - /** - * This 8-bit field gives the number of this section. The section_number of the first section in the - * Program Association Table shall be 0x00. It shall be incremented by 1 with each additional section in the Program - * Association Table. - */ - public var section_number:int; //8bits - - // 1B - /** - * This 8-bit field specifies the number of the last section (that is, the section with the highest - * section_number) of the complete Program Association Table. - */ - public var last_section_number:int; //8bits - - // multiple 4B program data, elem is SrsTsPayloadPATProgram - public var programs:Array; - - public function SrsTsPayloadPAT(p:SrsTsPacket) - { - super(p); - - const3_value = 3; - programs = new Array(); - } - - override protected function psi_decode(stream:ByteArray):void - { - // atleast 5B for PAT specified - if (stream.bytesAvailable < 5) { - throw new Error("ts: demux PAT failed."); - } - - var pos:uint = stream.position; - - // 2B - transport_stream_id = stream.readUnsignedShort(); - - // 1B - var cniv:int = stream.readUnsignedByte(); - - const3_value = (cniv >> 6) & 0x03; - version_number = (cniv >> 1) & 0x1F; - current_next_indicator = cniv & 0x01; - - // TODO: FIXME: check the indicator. - - // 1B - section_number = stream.readUnsignedByte(); - // 1B - last_section_number = stream.readUnsignedByte(); - - // multiple 4B program data. - var program_bytes:int = section_length - 4 - (stream.position - pos); - for (var i:int = 0; i < program_bytes; i += 4) { - var program:SrsTsPayloadPATProgram = new SrsTsPayloadPATProgram(0, 0); - program.decode(stream); - - // update the apply pid table. - packet.context.setChannel(program.pid, SrsTsPidApply.PMT, SrsTsStream.Reserved); - - programs.push(program); - } - - // update the apply pid table. - packet.context.setChannel(packet.pid, SrsTsPidApply.PAT, SrsTsStream.Reserved); - - return; - } -}; - -/** - * the esinfo for PMT program. - */ -class SrsTsPayloadPMTESInfo -{ - // 1B - /** - * This is an 8-bit field specifying the type of program element carried within the packets with the PID - * whose value is specified by the elementary_PID. The values of stream_type are specified in Table 2-29. - */ - public var stream_type:SrsTsStream; //8bits - - // 2B - /** - * reverved value, must be '1' - */ - public var const1_value0:int; //3bits - /** - * This is a 13-bit field specifying the PID of the Transport Stream packets which carry the associated - * program element. - */ - public var elementary_PID:int; //13bits - - // (2+x)B - /** - * reverved value, must be '1' - */ - public var const1_value1:int; //4bits - /** - * This is a 12-bit field, the first two bits of which shall be '00'. The remaining 10 bits specify the number - * of bytes of the descriptors of the associated program element immediately following the ES_info_length field. - */ - public var ES_info_length:int; //12bits - public var ES_info:ByteArray; //[ES_info_length] bytes. - - public function SrsTsPayloadPMTESInfo(st:SrsTsStream, epid:int) - { - stream_type = st; - elementary_PID = epid; - - const1_value0 = 7; - const1_value1 = 0x0f; - ES_info_length = 0; - ES_info = null; - } - - public function decode(stream:ByteArray):void - { - // 5B - if (stream.bytesAvailable < 5) { - throw new Error("ts: demux PMT es info failed."); - } - - stream_type = SrsTsStream.parse(stream.readUnsignedByte()); - - var epv:int = stream.readUnsignedShort(); - const1_value0 = (epv >> 13) & 0x07; - elementary_PID = epv & 0x1FFF; - - var eilv:int = stream.readUnsignedShort(); - const1_value1 = (epv >> 12) & 0x0f; - ES_info_length = eilv & 0x0FFF; - - if (ES_info_length > 0) { - if (stream.bytesAvailable < ES_info_length) { - throw new Error("ts: demux PMT es info data failed."); - } - ES_info = new ByteArray(); - stream.readBytes(ES_info, 0, ES_info_length); - } - } -}; - -/** - * the PMT payload of PSI ts packet. - * 2.4.4.8 Program Map Table, hls-mpeg-ts-iso13818-1.pdf, page 64 - * The Program Map Table provides the mappings between program numbers and the program elements that comprise - * them. A single instance of such a mapping is referred to as a "program definition". The program map table is the - * complete collection of all program definitions for a Transport Stream. This table shall be transmitted in packets, the PID - * values of which are selected by the encoder. More than one PID value may be used, if desired. The table is contained in - * one or more sections with the following syntax. It may be segmented to occupy multiple sections. In each section, the - * section number field shall be set to zero. Sections are identified by the program_number field. - */ -class SrsTsPayloadPMT extends SrsTsPayloadPSI -{ - // 2B - /** - * program_number is a 16-bit field. It specifies the program to which the program_map_PID is - * applicable. One program definition shall be carried within only one TS_program_map_section. This implies that a - * program definition is never longer than 1016 (0x3F8). See Informative Annex C for ways to deal with the cases when - * that length is not sufficient. The program_number may be used as a designation for a broadcast channel, for example. By - * describing the different program elements belonging to a program, data from different sources (e.g. sequential events) - * can be concatenated together to form a continuous set of streams using a program_number. For examples of applications - * refer to Annex C. - */ - public var program_number:int; //16bits - - // 1B - /** - * reverved value, must be '1' - */ - public var const1_value0:int; //2bits - /** - * This 5-bit field is the version number of the TS_program_map_section. The version number shall be - * incremented by 1 modulo 32 when a change in the information carried within the section occurs. Version number refers - * to the definition of a single program, and therefore to a single section. When the current_next_indicator is set to '1', then - * the version_number shall be that of the currently applicable TS_program_map_section. When the current_next_indicator - * is set to '0', then the version_number shall be that of the next applicable TS_program_map_section. - */ - public var version_number:int; //5bits - /** - * A 1-bit field, which when set to '1' indicates that the TS_program_map_section sent is - * currently applicable. When the bit is set to '0', it indicates that the TS_program_map_section sent is not yet applicable - * and shall be the next TS_program_map_section to become valid. - */ - public var current_next_indicator:int; //1bit - - // 1B - /** - * The value of this 8-bit field shall be 0x00. - */ - public var section_number:int; //8bits - - // 1B - /** - * The value of this 8-bit field shall be 0x00. - */ - public var last_section_number:int; //8bits - - // 2B - /** - * reverved value, must be '1' - */ - public var const1_value1:int; //3bits - /** - * This is a 13-bit field indicating the PID of the Transport Stream packets which shall contain the PCR fields - * valid for the program specified by program_number. If no PCR is associated with a program definition for private - * streams, then this field shall take the value of 0x1FFF. Refer to the semantic definition of PCR in 2.4.3.5 and Table 2-3 - * for restrictions on the choice of PCR_PID value. - */ - public var PCR_PID:int; //13bits - - // 2B - public var const1_value2:int; //4bits - /** - * This is a 12-bit field, the first two bits of which shall be '00'. The remaining 10 bits specify the - * number of bytes of the descriptors immediately following the program_info_length field. - */ - public var program_info_length:int; //12bits - public var program_info_desc:ByteArray; //[program_info_length]bytes - - // array of TSPMTESInfo, elem is SrsTsPayloadPMTESInfo object. - public var infos:Array; - - public function SrsTsPayloadPMT(p:SrsTsPacket) - { - super(p); - - const1_value0 = 3; - const1_value1 = 7; - const1_value2 = 0x0f; - program_info_length = 0; - program_info_desc = null; - infos = new Array(); - } - - override protected function psi_decode(stream:ByteArray):void - { - // atleast 9B for PMT specified - if (stream.bytesAvailable < 9) { - throw new Error("ts: demux PMT failed."); - } - - // 2B - program_number = stream.readUnsignedShort(); - - // 1B - var cniv:int = stream.readUnsignedByte(); - - const1_value0 = (cniv >> 6) & 0x03; - version_number = (cniv >> 1) & 0x1F; - current_next_indicator = cniv & 0x01; - - // 1B - section_number = stream.readUnsignedByte(); - - // 1B - last_section_number = stream.readUnsignedByte(); - - // 2B - var ppv:int = stream.readUnsignedShort(); - const1_value1 = (ppv >> 13) & 0x07; - PCR_PID = ppv & 0x1FFF; - - // 2B - var pilv:int = stream.readUnsignedShort(); - const1_value2 = (pilv >> 12) & 0x0F; - program_info_length = pilv & 0xFFF; - - if (program_info_length > 0) { - if (stream.bytesAvailable < program_info_length) { - throw new Error("ts: demux PMT program info failed."); - } - - program_info_desc = new ByteArray(); - stream.readBytes(program_info_desc, 0, program_info_length); - } - - // [section_length] - 4(CRC) - 9B - [program_info_length] - var ES_EOF_pos:uint = stream.position + section_length - 4 - 9 - program_info_length; - while (stream.position < ES_EOF_pos) { - var info:SrsTsPayloadPMTESInfo = new SrsTsPayloadPMTESInfo(SrsTsStream.Reserved, 0); - infos.push(info); - - info.decode(stream); - - // update the apply pid table - switch (info.stream_type) { - case SrsTsStream.VideoH264: - case SrsTsStream.VideoMpeg4: - packet.context.setChannel(info.elementary_PID, SrsTsPidApply.Video, info.stream_type); - break; - case SrsTsStream.AudioAAC: - case SrsTsStream.AudioAC3: - case SrsTsStream.AudioDTS: - case SrsTsStream.AudioMp3: - packet.context.setChannel(info.elementary_PID, SrsTsPidApply.Audio, info.stream_type); - break; - default: - // warn("ts: drop pid=%#x, stream=%#x", info->elementary_PID, info->stream_type); - break; - } - } - - // update the apply pid table. - packet.context.setChannel(packet.pid, SrsTsPidApply.PMT, SrsTsStream.Reserved); - packet.context.on_pmt_parsed(); - } -}; - -/** - * the m3u8 parser. - */ -class M3u8 -{ - private var _hls:HlsCodec; - private var _log:ILogger = new TraceLogger("HLS"); - - private var _tses:Array; - private var _duration:Number; - private var _seq_no:Number; - private var _url:String; - // when variant, all ts url is sub m3u8 url. - private var _variant:Boolean; - - public function M3u8(hls:HlsCodec) - { - _hls = hls; - _tses = new Array(); - _duration = 0; - _seq_no = 0; - _variant = false; - } - - public function getTsUrl(index:Number):String - { - if (index >= _tses.length) { - throw new Error("ts index overflow, index=" + index + ", max=" + _tses.length); - } - - var url:String = _tses[index].url; - - // if absolute url, return. - if (Utility.stringStartswith(url, "http://")) { - return url; - } - - // add prefix of m3u8. - if (_url.lastIndexOf("/") >= 0) { - url = _url.substr(0, _url.lastIndexOf("/") + 1) + url; - } - return url; - } - - public function parse(url:String, v:String):void - { - // TODO: FIXME: reset the m3u8 when parse. - _tses = new Array(); - _duration = 0; - _url = url; - _variant = false; - - var ptl:String = null; - var td:Number = 0; - var seq_no:Number = 0; - - var lines:Array = v.split("\n"); - for (var i:int = 0; i < lines.length; i++) { - var line:String = String(lines[i]).replace("\r", "").replace(" ", ""); - - // #EXT-X-VERSION:3 - // the version must be 3.0 - if (Utility.stringStartswith(line, "#EXT-X-VERSION:")) { - if (!Utility.stringEndswith(line, ":3")) { - _log.warn("m3u8 3.0 required, actual is {0}", line); - } - continue; - } - - // #EXT-X-STREAM-INF:BANDWIDTH=3000000 - if (Utility.stringStartswith(line, "#EXT-X-STREAM-INF:")) { - _variant = true; - var sub_m3u8_url:String = lines[++i]; - _tses.push({ - duration: 0, - url: sub_m3u8_url - }); - continue; - } - - // #EXT-X-PLAYLIST-TYPE:VOD - // the playlist type, vod or nothing. - if (Utility.stringStartswith(line, "#EXT-X-PLAYLIST-TYPE:")) { - ptl = line; - continue; - } - - // #EXT-X-MEDIA-SEQUENCE:55 - // the seq no of first ts. - if (Utility.stringStartswith(line, "#EXT-X-MEDIA-SEQUENCE:")) { - seq_no = Number(line.substr("#EXT-X-MEDIA-SEQUENCE:".length)); - continue; - } - - // #EXT-X-TARGETDURATION:12 - // the target duration is required. - if (Utility.stringStartswith(line, "#EXT-X-TARGETDURATION:")) { - td = Number(line.substr("#EXT-X-TARGETDURATION:".length)); - continue; - } - - // #EXT-X-ENDLIST - // parse completed. - if (line == "#EXT-X-ENDLIST") { - break; - } - - // #EXTINF:11.401, - // livestream-5.ts - // parse each ts entry, expect current line is inf. - if (!Utility.stringStartswith(line, "#EXTINF:")) { - continue; - } - // expect next line is url. - if (i >= lines.length - 1) { - _log.warn("ts entry unexpected eof, inf={0}", line); - break; - } - if (line.indexOf(",") >= 0) { - line = line.split(",")[0]; - } - var ts_duration:Number = Number(line.substr("#EXTINF:".length).replace(",", "")); - var ts_url:String = lines[++i]; - - _duration += ts_duration; - _tses.push({ - duration: ts_duration, - url: ts_url - }); - } - _seq_no = seq_no; - - // for vod, must specifies the playlist type to vod. - if (false) { - _log.warn("vod required the playlist type, actual is {0}", ptl); - } - - if (false) { - _log.info("hls got {0}B {1}L m3u8, td={2}, ts={3}", v.length, lines.length, td, _tses.length); - } else { - _log.debug("hls got {0}B {1}L m3u8, td={2}, ts={3}", v.length, lines.length, td, _tses.length); - } - } - - public function get tsCount():Number - { - return _tses.length; - } - - public function get duration():Number - { - return _duration; - } - - public function get seq_no():Number - { - return _seq_no; - } - - public function get variant():Boolean - { - return _variant; - } -} diff --git a/trunk/research/players/srs_player/src/Player.as b/trunk/research/players/srs_player/src/Player.as deleted file mode 100644 index e085b683e..000000000 --- a/trunk/research/players/srs_player/src/Player.as +++ /dev/null @@ -1,210 +0,0 @@ -package -{ - import flash.display.Sprite; - import flash.display.StageAlign; - import flash.display.StageDisplayState; - import flash.display.StageScaleMode; - import flash.events.Event; - import flash.events.FullScreenEvent; - import flash.events.MouseEvent; - import flash.events.NetStatusEvent; - import flash.events.TimerEvent; - import flash.external.ExternalInterface; - import flash.media.SoundTransform; - import flash.media.Video; - import flash.net.NetConnection; - import flash.net.NetStream; - import flash.net.URLVariables; - import flash.system.Security; - import flash.ui.ContextMenu; - import flash.ui.ContextMenuItem; - import flash.utils.Timer; - import flash.utils.getTimer; - import flash.utils.setTimeout; - - import flashx.textLayout.formats.Float; - - /** - * common player to play rtmp/flv stream, - * use system NetStream. - */ - public class Player - { - // refresh every ts_fragment_seconds*M3u8RefreshRatio - public static var M3u8RefreshRatio:Number = 0.3; - - // parse ts every this ms. - public static var TsParseAsyncInterval:Number = 80; - - private var js_id:String = null; - - // play param url. - private var user_url:String = null; - - private var media_stream:NetStream = null; - private var media_conn:NetConnection = null; - - private var owner:srs_player = null; - - public function Player(o:srs_player) { - owner = o; - } - - public function init(flashvars:Object):void { - this.js_id = flashvars.id; - } - - public function stream():NetStream { - return this.media_stream; - } - - private function dumps_object(obj:Object):String { - var smr:String = ""; - for (var k:String in obj) { - smr += k + "=" + obj[k] + ", "; - } - - return smr; - } - - public function play(url:String):void { - owner.on_player_status("init", "Ready to play"); - - var streamName:String; - this.user_url = url; - - this.media_conn = new NetConnection(); - this.media_conn.client = {}; - this.media_conn.client.onBWDone = function():void {}; - this.media_conn.addEventListener(NetStatusEvent.NET_STATUS, function(evt:NetStatusEvent):void { - log("NetConnection: type=" + evt.type + ", bub=" + evt.bubbles + ", can=" + evt.cancelable - + ", info is " + dumps_object(evt.info)); - - if (evt.info.hasOwnProperty("data") && evt.info.data) { - owner.on_player_metadata(evt.info.data); - } - - // reject by server, maybe redirect. - if (evt.info.code == "NetConnection.Connect.Rejected") { - // RTMP 302 redirect. - if (evt.info.hasOwnProperty("ex") && evt.info.ex.code == 302) { - streamName = url.substr(url.lastIndexOf("/") + 1); - url = evt.info.ex.redirect + "/" + streamName; - log("Async RTMP 302 Redirect to: " + url); - - // notify server. - media_conn.call("Redirected", null, evt.info.ex.redirect); - - // do 302. - owner.on_player_302(url); - return; - } - - owner.on_player_status("rejected", "Server reject play"); - close(); - } - - if (evt.info.code == "NetConnection.Connect.Success") { - owner.on_player_status("connected", "Connected at server"); - } - if (evt.info.code == "NetConnection.Connect.Closed") { - close(); - } - if (evt.info.code == "NetConnection.Connect.Failed") { - owner.on_player_status("failed", "Connect to server failed."); - close(); - } - - // TODO: FIXME: failed event. - if (evt.info.code != "NetConnection.Connect.Success") { - return; - } - - if (url.indexOf(".m3u8") > 0) { - media_stream = new HlsNetStream(M3u8RefreshRatio, TsParseAsyncInterval, media_conn); - } else { - media_stream = new NetStream(media_conn); - } - media_stream.addEventListener(NetStatusEvent.NET_STATUS, function(evt:NetStatusEvent):void { - log("NetStream: type=" + evt.type + ", bub=" + evt.bubbles + ", can=" + evt.cancelable - + ", info is " + dumps_object(evt.info)); - - if (evt.info.code == "NetStream.Play.Start") { - owner.on_player_status("play", "Start to play stream"); - } - if (evt.info.code == "NetStream.Play.StreamNotFound") { - owner.on_player_status("rejected", "Stream not found"); - close(); - } - - if (evt.info.code == "NetStream.Video.DimensionChange") { - owner.on_player_dimension_change(); - } else if (evt.info.code == "NetStream.Buffer.Empty") { - owner.on_player_buffer_empty(); - } else if (evt.info.code == "NetStream.Buffer.Full") { - owner.on_player_buffer_full(); - } - - // TODO: FIXME: failed event. - }); - - // setup stream before play. - owner.on_player_before_play(); - - if (url.indexOf("http") == 0) { - media_stream.play(url); - } else { - streamName = url.substr(url.lastIndexOf("/") + 1); - media_stream.play(streamName); - } - - owner.on_player_play(); - }); - - if (url.indexOf("http") == 0) { - this.media_conn.connect(null); - } else { - var tcUrl:String = this.user_url.substr(0, this.user_url.lastIndexOf("/")); - streamName = url.substr(url.lastIndexOf("/") + 1); - - // parse vhost from stream query. - if (streamName.indexOf("?") >= 0) { - var uv:URLVariables = new URLVariables(user_url.substr(user_url.indexOf("?") + 1)); - var domain:String = uv["domain"]; - if (!domain) { - domain = uv["vhost"]; - } - if (domain) { - tcUrl += "?vhost=" + domain; - } - } - - this.media_conn.connect(tcUrl); - } - } - - public function close():void { - var notify:Boolean = false; - - if (this.media_stream) { - this.media_stream.close(); - this.media_stream = null; - notify = true; - } - - if (this.media_conn) { - this.media_conn.close(); - this.media_conn = null; - notify = true; - } - - if (notify) { - owner.on_player_status("closed", "Server closed."); - } - } - - private function log(msg:String):void { - Utility.log(js_id, msg); - } - } -} \ No newline at end of file diff --git a/trunk/research/players/srs_player/src/Utility.as b/trunk/research/players/srs_player/src/Utility.as deleted file mode 100644 index 7707954c2..000000000 --- a/trunk/research/players/srs_player/src/Utility.as +++ /dev/null @@ -1,51 +0,0 @@ -package -{ - import flash.external.ExternalInterface; - import flash.utils.setTimeout; - - /** - * the utility functions. - */ - public class Utility - { - /** - * total log. - */ - public static var logData:String = ""; - - /** - * whether string s endswith f. - */ - public static function stringEndswith(s:String, f:String):Boolean { - return s && f && s.indexOf(f) == s.length - f.length; - } - - /** - * whether string s startswith f. - */ - public static function stringStartswith(s:String, f:String):Boolean { - return s && f && s.indexOf(f) == 0; - } - - /** - * write log to trace and console.log. - * @param msg the log message. - */ - public static function log(js_id:String, msg:String):void { - if (js_id) { - msg = "[" + new Date() +"][srs-player][" + js_id + "] " + msg; - } - - logData += msg + "\n"; - - trace(msg); - - if (!flash.external.ExternalInterface.available) { - flash.utils.setTimeout(log, 300, null, msg); - return; - } - - ExternalInterface.call("console.log", msg); - } - } -} \ No newline at end of file diff --git a/trunk/research/players/srs_player/src/srs_player.as b/trunk/research/players/srs_player/src/srs_player.as deleted file mode 100755 index 9f0e424b8..000000000 --- a/trunk/research/players/srs_player/src/srs_player.as +++ /dev/null @@ -1,668 +0,0 @@ -package -{ - import flash.display.Sprite; - import flash.display.StageAlign; - import flash.display.StageDisplayState; - import flash.display.StageScaleMode; - import flash.events.Event; - import flash.events.FullScreenEvent; - import flash.events.MouseEvent; - import flash.events.NetStatusEvent; - import flash.events.TimerEvent; - import flash.external.ExternalInterface; - import flash.media.SoundTransform; - import flash.media.Video; - import flash.net.NetConnection; - import flash.net.NetStream; - import flash.system.Security; - import flash.ui.ContextMenu; - import flash.ui.ContextMenuItem; - import flash.utils.Timer; - import flash.utils.getTimer; - import flash.utils.setTimeout; - - import flashx.textLayout.formats.Float; - - public class srs_player extends Sprite - { - // user set id. - private var js_id:String = null; - // user set callback - private var js_on_player_ready:String = null; - private var js_on_player_metadata:String = null; - private var js_on_player_timer:String = null; - private var js_on_player_empty:String = null; - private var js_on_player_full:String = null; - private var js_on_player_status:String = null; - - // play param, user set width and height - private var user_w:int = 0; - private var user_h:int = 0; - private var user_buffer_time:Number = 0; - private var user_max_buffer_time:Number = 0; - private var user_volume:Number = 0; - // user set dar den:num - private var user_dar_den:int = 0; - private var user_dar_num:int = 0; - // user set fs(fullscreen) refer and percent. - private var user_fs_refer:String = null; - private var user_fs_percent:int = 0; - - // media specified. - private var media_video:Video = null; - private var media_metadata:Object = {}; - private var media_timer:Timer = new Timer(300); - - // controls. - // flash donot allow js to set to fullscreen, - // only allow user click to enter fullscreen. - private var control_fs_mask:Sprite = new Sprite(); - - // the common player to play stream. - private var player:Player = null; - // the flashvars config. - private var config:Object = null; - - public function srs_player() - { - if (!this.stage) { - this.addEventListener(Event.ADDED_TO_STAGE, this.system_on_add_to_stage); - } else { - this.system_on_add_to_stage(null); - } - } - - /** - * system event callback, when this control added to stage. - * the main function. - */ - private function system_on_add_to_stage(evt:Event):void { - this.removeEventListener(Event.ADDED_TO_STAGE, this.system_on_add_to_stage); - - this.stage.align = StageAlign.TOP_LEFT; - this.stage.scaleMode = StageScaleMode.NO_SCALE; - - this.stage.addEventListener(FullScreenEvent.FULL_SCREEN, this.user_on_stage_fullscreen); - - Security.allowDomain("*"); - - this.addChild(this.control_fs_mask); - this.control_fs_mask.buttonMode = true; - this.control_fs_mask.addEventListener(MouseEvent.CLICK, user_on_click_video); - - this.contextMenu = new ContextMenu(); - this.contextMenu.hideBuiltInItems(); - - var flashvars:Object = this.root.loaderInfo.parameters; - - if (!flashvars.hasOwnProperty("id")) { - throw new Error("must specifies the id"); - } - - this.config = flashvars; - this.js_id = flashvars.id; - this.js_on_player_ready = flashvars.on_player_ready; - this.js_on_player_metadata = flashvars.on_player_metadata; - this.js_on_player_timer = flashvars.on_player_timer; - this.js_on_player_empty = flashvars.on_player_empty; - this.js_on_player_full = flashvars.on_player_full; - this.js_on_player_status = flashvars.on_player_status; - - this.media_timer.addEventListener(TimerEvent.TIMER, this.system_on_timer); - this.media_timer.start(); - - flash.utils.setTimeout(this.system_on_js_ready, 0); - } - - /** - * system callack event, when js ready, register callback for js. - * the actual main function. - */ - private function system_on_js_ready():void { - if (!flash.external.ExternalInterface.available) { - log("js not ready, try later."); - flash.utils.setTimeout(this.system_on_js_ready, 100); - return; - } - - flash.external.ExternalInterface.addCallback("__play", this.js_call_play); - flash.external.ExternalInterface.addCallback("__stop", this.js_call_stop); - flash.external.ExternalInterface.addCallback("__pause", this.js_call_pause); - flash.external.ExternalInterface.addCallback("__resume", this.js_call_resume); - flash.external.ExternalInterface.addCallback("__set_dar", this.js_call_set_dar); - flash.external.ExternalInterface.addCallback("__set_fs", this.js_call_set_fs_size); - flash.external.ExternalInterface.addCallback("__set_bt", this.js_call_set_bt); - flash.external.ExternalInterface.addCallback("__set_mbt", this.js_call_set_mbt); - flash.external.ExternalInterface.addCallback("__dump_log", this.js_call_dump_log); - - flash.external.ExternalInterface.call(this.js_on_player_ready, this.js_id); - } - - /** - * system callack event, timer to do some regular tasks. - */ - private function system_on_timer(evt:TimerEvent):void { - if (!player) { - return; - } - - var ms:NetStream = player.stream(); - - if (!ms) { - //log("stream is null, ignore timer event."); - return; - } - - var rtime:Number = flash.utils.getTimer(); - var bitrate:Number = Number((ms.info.videoBytesPerSecond + ms.info.audioBytesPerSecond) * 8 / 1000); - log("on timer, time=" + ms.time.toFixed(2) + "s, buffer=" + ms.bufferLength.toFixed(2) + "s" - + ", bitrate=" + bitrate.toFixed(1) + "kbps" - + ", fps=" + ms.currentFPS.toFixed(1) - + ", rtime=" + rtime.toFixed(0) - ); - flash.external.ExternalInterface.call( - this.js_on_player_timer, this.js_id, ms.time, ms.bufferLength, - bitrate, ms.currentFPS, rtime - ); - } - - /** - * system callback event, when stream is empty. - */ - private function system_on_buffer_empty():void { - var time:Number = flash.utils.getTimer(); - log("stream is empty at " + time + "ms"); - flash.external.ExternalInterface.call(this.js_on_player_empty, this.js_id, time); - } - private function system_on_buffer_full():void { - var time:Number = flash.utils.getTimer(); - log("stream is full at " + time + "ms"); - flash.external.ExternalInterface.call(this.js_on_player_full, this.js_id, time); - } - - /** - * system callack event, when got metadata from stream. - * or got video dimension change event(the DAR notification), to update the metadata manually. - */ - private function system_on_metadata(metadata:Object):void { - if (!media_metadata) { - media_metadata = {}; - } - for (var k:String in metadata) { - media_metadata[k] = metadata[k]; - } - - // update the debug info. - on_debug_info(media_metadata); - update_context_items(); - - // for js. - var obj:Object = __get_video_size_object(); - - obj.server = 'srs'; - obj.contributor = 'winlin'; - - if (srs_server != null) { - obj.server = srs_server; - } - if (srs_primary != null) { - obj.contributor = srs_primary; - } - if (srs_authors != null) { - obj.contributor = srs_authors; - } - if (srs_id != null) { - obj.cid = srs_id; - } - if (srs_pid != null) { - obj.pid = srs_pid; - } - if (srs_server_ip != null) { - obj.ip = srs_server_ip; - } - - var s:String = ""; - for (var key:String in obj) { - s += key + "=" + obj[key] + " "; - } - log("metadata is " + s); - - var code:int = flash.external.ExternalInterface.call(js_on_player_metadata, js_id, obj); - if (code != 0) { - throw new Error("callback on_player_metadata failed. code=" + code); - } - } - - /** - * player callack event, when user click video to enter or leave fullscreen. - */ - private function user_on_stage_fullscreen(evt:FullScreenEvent):void { - if (!evt.fullScreen) { - __execute_user_set_dar(); - } else { - __execute_user_enter_fullscreen(); - } - } - - /** - * user event callback, js cannot enter the fullscreen mode, user must click to. - */ - private function user_on_click_video(evt:MouseEvent):void { - if (!this.stage.allowsFullScreen) { - log("donot allow fullscreen."); - return; - } - - // enter fullscreen to get the fullscreen size correctly. - if (this.stage.displayState == StageDisplayState.FULL_SCREEN) { - this.stage.displayState = StageDisplayState.NORMAL; - } else { - this.stage.displayState = StageDisplayState.FULL_SCREEN; - } - } - - /** - * function for js to call: to pause the stream. ignore if not play. - */ - private function js_call_pause():void { - if (player && player.stream()) { - player.stream().pause(); - log("user pause play"); - } - } - - /** - * function for js to call: to resume the stream. ignore if not play. - */ - private function js_call_resume():void { - if (player && player.stream()) { - player.stream().resume(); - log("user resume play"); - } - } - - /** - * dumps all log data. - */ - private function js_call_dump_log():String { - return Utility.logData; - } - - /** - * to set the DAR, for example, DAR=16:9 where num=16,den=9. - * @param num, for example, 16. - * use metadata width if 0. - * use user specified width if -1. - * @param den, for example, 9. - * use metadata height if 0. - * use user specified height if -1. - */ - private function js_call_set_dar(num:int, den:int):void { - user_dar_num = num; - user_dar_den = den; - - flash.utils.setTimeout(__execute_user_set_dar, 0); - log("user set dar to " + num + "/" + den); - } - - /** - * set the fullscreen size data. - * @refer the refer fullscreen mode. it can be: - * video: use video orignal size. - * screen: use screen size to rescale video. - * @param percent, the rescale percent, where - * 100 means 100%. - */ - private function js_call_set_fs_size(refer:String, percent:int):void { - user_fs_refer = refer; - user_fs_percent = percent; - log("user set refer to " + refer + ", percent to" + percent); - } - - /** - * set the stream buffer time in seconds. - * @buffer_time the buffer time in seconds. - */ - private function js_call_set_bt(buffer_time:Number):void { - if (player && player.stream()) { - player.stream().bufferTime = buffer_time; - log("user set bufferTime to " + buffer_time.toFixed(2) + "s"); - } - } - - /** - * set the max stream buffer time in seconds. - * @max_buffer_time the max buffer time in seconds. - * @remark this is the key feature for realtime communication by flash. - */ - private function js_call_set_mbt(max_buffer_time:Number):void { - if (player && player.stream()) { - player.stream().bufferTimeMax = max_buffer_time; - log("user set bufferTimeMax to " + max_buffer_time.toFixed(2) + "s"); - } - } - - /** - * function for js to call: to stop the stream. ignore if not play. - */ - private function js_call_stop():void { - if (this.media_video) { - this.removeChild(this.media_video); - this.media_video = null; - } - - if (player) { - player.close(); - player = null; - } - log("player stopped"); - } - - // srs infos - private var srs_server:String = null; - private var srs_primary:String = null; - private var srs_authors:String = null; - private var srs_id:String = null; - private var srs_pid:String = null; - private var srs_server_ip:String = null; - private function update_context_items():void { - // for context menu - var customItems:Array = [new ContextMenuItem("SrsPlayer")]; - if (srs_server != null) { - customItems.push(new ContextMenuItem("Server: " + srs_server)); - } - if (srs_primary != null) { - customItems.push(new ContextMenuItem("Primary: " + srs_primary)); - } - if (srs_authors != null) { - customItems.push(new ContextMenuItem("Authors: " + srs_authors)); - } - if (srs_server_ip != null) { - customItems.push(new ContextMenuItem("SrsIp: " + srs_server_ip)); - } - if (srs_pid != null) { - customItems.push(new ContextMenuItem("SrsPid: " + srs_pid)); - } - if (srs_id != null) { - customItems.push(new ContextMenuItem("SrsId: " + srs_id)); - } - contextMenu.customItems = customItems; - } - - /** - * server can set the debug info in _result of RTMP connect, or metadata. - */ - private function on_debug_info(data:*):void { - if (data.hasOwnProperty("srs_server")) { - srs_server = data.srs_server; - } - if (data.hasOwnProperty("srs_primary")) { - srs_primary = data.srs_primary; - } - if (data.hasOwnProperty("srs_authors")) { - srs_authors = data.srs_authors; - } - if (data.hasOwnProperty("srs_id")) { - srs_id = data.srs_id; - } - if (data.hasOwnProperty("srs_pid")) { - srs_pid = data.srs_pid; - } - if (data.hasOwnProperty("srs_server_ip")) { - srs_server_ip = data.srs_server_ip; - } - } - - /** - * function for js to call: to play the stream. stop then play. - * @param url, the rtmp/http url to play. - * @param _width, the player width. - * @param _height, the player height. - * @param buffer_time, the buffer time in seconds. recommend to >=0.5 - * @param max_buffer_time, the max buffer time in seconds. recommend to 3 x buffer_time. - * @param volume, the volume, 0 is mute, 1 is 100%, 2 is 200%. - */ - private function js_call_play(url:String, _width:int, _height:int, buffer_time:Number, max_buffer_time:Number, volume:Number):void { - this.user_w = _width; - this.user_h = _height; - this.user_buffer_time = buffer_time; - this.user_max_buffer_time = max_buffer_time; - this.user_volume = volume; - log("start to play url: " + url + ", w=" + this.user_w + ", h=" + this.user_h - + ", buffer=" + buffer_time.toFixed(2) + "s, max_buffer=" + max_buffer_time.toFixed(2) + "s, volume=" + volume.toFixed(2) - ); - - js_call_stop(); - - // trim last ? - while (Utility.stringEndswith(url, "?")) { - url = url.substr(0, url.length - 1); - } - - // create player. - player = new Player(this); - - // init player by config. - player.init(config); - - // play the url. - player.play(url); - } - public function on_player_before_play():void { - if (!player) { - return; - } - - var ms:NetStream = player.stream(); - if (!ms) { - return; - } - - ms.soundTransform = new SoundTransform(user_volume); - ms.bufferTime = user_buffer_time; - ms.bufferTimeMax = user_max_buffer_time; - ms.client = {}; - ms.client.onMetaData = system_on_metadata; - } - public function on_player_play():void { - if (!player) { - return; - } - - media_video = new Video(); - media_video.width = user_w; - media_video.height = user_h; - media_video.attachNetStream(player.stream()); - media_video.smoothing = true; - addChild(media_video); - - __draw_black_background(user_w, user_h); - - // lowest layer, for mask to cover it. - setChildIndex(media_video, 0); - } - public function on_player_metadata(data:Object):void { - system_on_metadata(data); - } - public function on_player_302(url:String):void { - setTimeout(function():void{ - log("Async RTMP 302 Redirected."); - js_call_play(url, user_w, user_h, user_buffer_time, user_max_buffer_time, user_volume); - }, 1000); - } - public function on_player_dimension_change():void { - system_on_metadata(media_metadata); - } - public function on_player_buffer_empty():void { - system_on_buffer_empty(); - } - public function on_player_buffer_full():void { - system_on_buffer_full(); - } - - public function on_player_status(code:String, desc:String):void { - log("[STATUS] code=" + code + ", desc=" + desc); - flash.external.ExternalInterface.call(this.js_on_player_status, this.js_id, code, desc); - } - - /** - * get the "right" size of video, - * 1. initialize with the original video object size. - * 2. override with metadata size if specified. - * 3. override with codec size if specified. - */ - private function __get_video_size_object():Object { - if (!media_video) { - return {}; - } - var obj:Object = { - width: media_video.width, - height: media_video.height - }; - - // override with metadata size. - if (this.media_metadata.hasOwnProperty("width")) { - obj.width = this.media_metadata.width; - } - if (this.media_metadata.hasOwnProperty("height")) { - obj.height = this.media_metadata.height; - } - - // override with codec size. - if (media_video.videoWidth > 0) { - obj.width = media_video.videoWidth; - } - if (media_video.videoHeight > 0) { - obj.height = media_video.videoHeight; - } - - return obj; - } - - /** - * execute the enter fullscreen action. - */ - private function __execute_user_enter_fullscreen():void { - if (!user_fs_refer || user_fs_percent <= 0) { - return; - } - - // change to video size if refer to video. - var obj:Object = __get_video_size_object(); - - // get the DAR - var den:int = user_dar_den; - var num:int = user_dar_num; - - if (den == 0) { - den = obj.height; - } - if (den == -1) { - den = this.stage.fullScreenHeight; - } - - if (num == 0) { - num = obj.width; - } - if (num == -1) { - num = this.stage.fullScreenWidth; - } - - // for refer is screen. - if (user_fs_refer == "screen") { - obj = { - width: this.stage.fullScreenWidth, - height: this.stage.fullScreenHeight - }; - } - - // rescale to fs - __update_video_size(num, den, - obj.width * user_fs_percent / 100, - obj.height * user_fs_percent / 100, - this.stage.fullScreenWidth, this.stage.fullScreenHeight - ); - } - - /** - * for user set dar, or leave fullscreen to recover the dar. - */ - private function __execute_user_set_dar():void { - // get the DAR - var den:int = user_dar_den; - var num:int = user_dar_num; - - var obj:Object = __get_video_size_object(); - - if (den == 0) { - den = obj.height; - } - if (den == -1) { - den = this.user_h; - } - - if (num == 0) { - num = obj.width; - } - if (num == -1) { - num = this.user_w; - } - - __update_video_size(num, den, this.user_w, this.user_h, this.user_w, this.user_h); - } - - /** - * update the video width and height, - * according to the specifies DAR(den:num) and max size(w:h). - * set the position of video(x,y) specifies by size(sw:sh), - * and update the bg to size(sw:sh). - * @param _num/_den the DAR. use to rescale the player together with paper size. - * @param _w/_h the video draw paper size. used to rescale the player together with DAR. - * @param _sw/_wh the stage size, >= paper size. used to center the player. - */ - private function __update_video_size(_num:int, _den:int, _w:int, _h:int, _sw:int, _sh:int):void { - if (!this.media_video || _den <= 0 || _num <= 0) { - return; - } - - // set DAR. - // calc the height by DAR - var _height:int = _w * _den / _num; - if (_height <= _h) { - this.media_video.width = _w; - this.media_video.height = _height; - } else { - // height overflow, calc the width by DAR - var _width:int = _h * _num / _den; - - this.media_video.width = _width; - this.media_video.height = _h; - } - - // align center. - this.media_video.x = (_sw - this.media_video.width) / 2; - this.media_video.y = (_sh - this.media_video.height) / 2; - - __draw_black_background(_sw, _sh); - } - - /** - * draw black background and draw the fullscreen mask. - */ - private function __draw_black_background(_width:int, _height:int):void { - // draw black bg. - this.graphics.beginFill(0x00, 1.0); - this.graphics.drawRect(0, 0, _width, _height); - this.graphics.endFill(); - - // draw the fs mask. - this.control_fs_mask.graphics.beginFill(0xff0000, 0); - this.control_fs_mask.graphics.drawRect(0, 0, _width, _height); - this.control_fs_mask.graphics.endFill(); - } - - private function log(msg:String):void { - Utility.log(js_id, msg); - } - } -} diff --git a/trunk/research/players/srs_publisher/.actionScriptProperties b/trunk/research/players/srs_publisher/.actionScriptProperties deleted file mode 100755 index 9a40b6549..000000000 --- a/trunk/research/players/srs_publisher/.actionScriptProperties +++ /dev/null @@ -1,40 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/trunk/research/players/srs_publisher/.project b/trunk/research/players/srs_publisher/.project deleted file mode 100755 index f31443569..000000000 --- a/trunk/research/players/srs_publisher/.project +++ /dev/null @@ -1,17 +0,0 @@ - - - srs_publisher - - - - - - com.adobe.flexbuilder.project.flexbuilder - - - - - - com.adobe.flexbuilder.project.actionscriptnature - - diff --git a/trunk/research/players/srs_publisher/.settings/org.eclipse.core.resources.prefs b/trunk/research/players/srs_publisher/.settings/org.eclipse.core.resources.prefs deleted file mode 100755 index 6a306be03..000000000 --- a/trunk/research/players/srs_publisher/.settings/org.eclipse.core.resources.prefs +++ /dev/null @@ -1,3 +0,0 @@ -#Wed Dec 18 10:10:45 CST 2013 -eclipse.preferences.version=1 -encoding/=utf-8 diff --git a/trunk/research/players/srs_publisher/release/srs_publisher.swf b/trunk/research/players/srs_publisher/release/srs_publisher.swf deleted file mode 100755 index 24644897f4110afc074715285fe56576a2e88a86..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 5641 zcmV+k7WU~wS5pp=Bme+-0fkx#cofI6p6Z$1+1b^FF79|R!bo`0g#<_-tOaQ~3_?Z- z3}&^S-JQ`c-pf0?I-EM=c@HtQN{8_-ZF z*lHwFF)h79OD3a{phnHr4J|aoiQsjE+JL^$h-zkddEEq%j!8$-QGJCclnCgmH>wY* zO{!;NJVSE`1&1aaU2)zrH9ERBn26OSQ;AR}h&~x;iVZ%02sM$+1fmf$tfy9F;@8C! zgK>tMkWx%ArEBTLWJF#@^-(R}pV9jD6`fsd^f=Fa)YAHjuEc=a*z8st>l>Q58&tZy zjz;&qXy+ujfh&ZflFan3jSIUyJw01DZt4)S#kk9p{&kf6MqDneA|HJ4!FH#JDmymG zeq=jG{dCW}Z?46h_@UEGnf~z=312O*y;KlTAxxH+2(^MNgmj}nEC?q_;biTyO|3gn zvLmINx|RxtcO;|Qu#SRBFyw;EmQ51XYNjh=>M8#~FcH#&ysxpo%}is|Y@Gv`HU%sj zYIWK-i##12ogMzo8~r_-J*zt_&0#aG$NY)7Ukio&>4cvREJ22iT^~VpTu;rMG;!S| zPSgj|3Y%jcKRLgo?tNxp6Swok}G2RC;($F6Srm-P5zE zuCcy;ab19#j>K)9sZ=6W5zClq)lBNah!N3EH67N~NT_sDd~lnp>dPmsy0s^nilp_b z$-)jE67CaSrWV1_UosiA7FVCrg6YVB&Ve&0>n9nR#dUn^TiK3Ky_OE*v9#?p{pc%h z{dflZ@i>NtD^T%a>13eJR(~OoNvBL2JE*1NCNQJ?K{k=o)YF?IF&%4hZq7_P5;aRF4hJrPg~mN;XR!!I2C&?; 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- import flash.display.StageAlign; - import flash.display.StageScaleMode; - import flash.events.Event; - import flash.events.NetStatusEvent; - import flash.external.ExternalInterface; - import flash.media.Camera; - import flash.media.H264Profile; - import flash.media.H264VideoStreamSettings; - import flash.media.Microphone; - import flash.media.MicrophoneEnhancedMode; - import flash.media.MicrophoneEnhancedOptions; - import flash.media.SoundCodec; - import flash.media.Video; - import flash.net.NetConnection; - import flash.net.NetStream; - import flash.system.Security; - import flash.system.SecurityPanel; - import flash.ui.ContextMenu; - import flash.ui.ContextMenuItem; - import flash.utils.setTimeout; - - public class srs_publisher extends Sprite - { - // user set id. - private var js_id:String = null; - // user set callback - private var js_on_publisher_ready:String = null; - private var js_on_publisher_error:String = null; - private var js_on_publisher_warn:String = null; - - // publish param url. - private var user_url:String = null; - // play param, user set width and height - private var user_w:int = 0; - private var user_h:int = 0; - private var user_vcodec:Object = {}; - private var user_acodec:Object = {}; - - // media specified. - private var media_conn:NetConnection = null; - private var media_stream:NetStream = null; - private var media_video:Video = null; - private var media_camera:Camera = null; - private var media_microphone:Microphone = null; - - // error code. - private const error_camera_get:int = 100; - private const error_microphone_get:int = 101; - private const error_camera_muted:int = 102; - private const error_connection_closed:int = 103; - private const error_connection_failed:int = 104; - - public function srs_publisher() - { - if (!this.stage) { - this.addEventListener(Event.ADDED_TO_STAGE, this.system_on_add_to_stage); - } else { - this.system_on_add_to_stage(null); - } - } - - /** - * system event callback, when this control added to stage. - * the main function. - */ - private function system_on_add_to_stage(evt:Event):void { - this.removeEventListener(Event.ADDED_TO_STAGE, this.system_on_add_to_stage); - - this.stage.align = StageAlign.TOP_LEFT; - this.stage.scaleMode = StageScaleMode.NO_SCALE; - - this.contextMenu = new ContextMenu(); - this.contextMenu.hideBuiltInItems(); - - var flashvars:Object = this.root.loaderInfo.parameters; - - if (!flashvars.hasOwnProperty("id")) { - throw new Error("must specifies the id"); - } - - this.js_id = flashvars.id; - this.js_on_publisher_ready = flashvars.on_publisher_ready; - this.js_on_publisher_error = flashvars.on_publisher_error; - this.js_on_publisher_warn = flashvars.on_publisher_warn; - - // initialized size. - this.user_w = flashvars.width; - this.user_h = flashvars.height; - - // try to get the camera, if muted, alert the security and requires user to open it. - var c:Camera = Camera.getCamera(); - if (c.muted) { - Security.showSettings(SecurityPanel.PRIVACY); - } - - __show_local_camera(c); - - flash.utils.setTimeout(this.system_on_js_ready, 0); - } - - /** - * system callack event, when js ready, register callback for js. - * the actual main function. - */ - private function system_on_js_ready():void { - if (!flash.external.ExternalInterface.available) { - trace("js not ready, try later."); - flash.utils.setTimeout(this.system_on_js_ready, 100); - return; - } - - flash.external.ExternalInterface.addCallback("__publish", this.js_call_publish); - flash.external.ExternalInterface.addCallback("__stop", this.js_call_stop); - - var cameras:Array = Camera.names; - var microphones:Array = Microphone.names; - trace("retrieve system cameras(" + cameras + ") and microphones(" + microphones + ")"); - - flash.external.ExternalInterface.call(this.js_on_publisher_ready, this.js_id, cameras, microphones); - } - - /** - * notify the js an error occur. - */ - private function system_error(code:int, desc:String):void { - trace("system error, code=" + code + ", error=" + desc); - flash.external.ExternalInterface.call(this.js_on_publisher_error, this.js_id, code); - } - private function system_warn(code:int, desc:String):void { - trace("system warn, code=" + code + ", error=" + desc); - flash.external.ExternalInterface.call(this.js_on_publisher_warn, this.js_id, code); - } - - // srs infos - private var srs_server:String = null; - private var srs_primary:String = null; - private var srs_authors:String = null; - private var srs_id:String = null; - private var srs_pid:String = null; - private var srs_server_ip:String = null; - private function update_context_items():void { - // for context menu - var customItems:Array = [new ContextMenuItem("SrsPlayer")]; - if (srs_server != null) { - customItems.push(new ContextMenuItem("Server: " + srs_server)); - } - if (srs_primary != null) { - customItems.push(new ContextMenuItem("Primary: " + srs_primary)); - } - if (srs_authors != null) { - customItems.push(new ContextMenuItem("Authors: " + srs_authors)); - } - if (srs_server_ip != null) { - customItems.push(new ContextMenuItem("SrsIp: " + srs_server_ip)); - } - if (srs_pid != null) { - customItems.push(new ContextMenuItem("SrsPid: " + srs_pid)); - } - if (srs_id != null) { - customItems.push(new ContextMenuItem("SrsId: " + srs_id)); - } - contextMenu.customItems = customItems; - } - - /** - * publish stream to server. - * @param url a string indicates the rtmp url to publish. - * @param _width, the player width. - * @param _height, the player height. - * @param vcodec an object contains the video codec info. - * @param acodec an object contains the audio codec info. - */ - private function js_call_publish(url:String, _width:int, _height:int, vcodec:Object, acodec:Object):void { - trace("start to publish to " + url + ", vcodec " + JSON.stringify(vcodec) + ", acodec " + JSON.stringify(acodec)); - - this.user_url = url; - this.user_w = _width; - this.user_h = _height; - this.user_vcodec = vcodec; - this.user_acodec = acodec; - - this.js_call_stop(); - - // microphone and camera - var microphone:Microphone = null; - //microphone = Microphone.getEnhancedMicrophone(acodec.device_code); - if (!microphone) { - microphone = Microphone.getMicrophone(acodec.device_code); - } - if(microphone == null){ - this.system_error(this.error_microphone_get, "failed to open microphone " + acodec.device_code + "(" + acodec.device_name + ")"); - return; - } - // ignore muted, for flash will require user to access it. - - // Remark: the name is the index! - var camera:Camera = Camera.getCamera(vcodec.device_code); - if(camera == null){ - this.system_error(this.error_camera_get, "failed to open camera " + vcodec.device_code + "(" + vcodec.device_name + ")"); - return; - } - // ignore muted, for flash will require user to access it. - // but we still warn user. - if(camera && camera.muted){ - this.system_warn(this.error_camera_muted, "Access Denied, camera " + vcodec.device_code + "(" + vcodec.device_name + ") is muted"); - } - - this.media_camera = camera; - this.media_microphone = microphone; - - this.media_conn = new NetConnection(); - this.media_conn.client = {}; - this.media_conn.client.onBWDone = function():void {}; - this.media_conn.addEventListener(NetStatusEvent.NET_STATUS, function(evt:NetStatusEvent):void { - trace ("NetConnection: code=" + evt.info.code); - - if (evt.info.hasOwnProperty("data") && evt.info.data) { - if (evt.info.data.hasOwnProperty("srs_server")) { - srs_server = evt.info.data.srs_server; - } - if (evt.info.data.hasOwnProperty("srs_primary")) { - srs_primary = evt.info.data.srs_primary; - } - if (evt.info.data.hasOwnProperty("srs_authors")) { - srs_authors = evt.info.data.srs_authors; - } - if (evt.info.data.hasOwnProperty("srs_id")) { - srs_id = evt.info.data.srs_id; - } - if (evt.info.data.hasOwnProperty("srs_pid")) { - srs_pid = evt.info.data.srs_pid; - } - if (evt.info.data.hasOwnProperty("srs_server_ip")) { - srs_server_ip = evt.info.data.srs_server_ip; - } - update_context_items(); - } - - if (evt.info.code == "NetConnection.Connect.Closed") { - js_call_stop(); - system_error(error_connection_closed, "server closed the connection"); - return; - } - if (evt.info.code == "NetConnection.Connect.Failed") { - js_call_stop(); - system_error(error_connection_failed, "connect to server failed"); - return; - } - - // TODO: FIXME: failed event. - if (evt.info.code != "NetConnection.Connect.Success") { - return; - } - - media_stream = new NetStream(media_conn); - media_stream.client = {}; - media_stream.addEventListener(NetStatusEvent.NET_STATUS, function(evt:NetStatusEvent):void { - trace ("NetStream: code=" + evt.info.code); - - // TODO: FIXME: failed event. - }); - - __build_video_codec(media_stream, camera, vcodec); - __build_audio_codec(media_stream, microphone, acodec); - - if (media_microphone) { - media_stream.attachAudio(microphone); - } - if (media_camera) { - media_stream.attachCamera(camera); - } - - var streamName:String = url.substr(url.lastIndexOf("/")); - media_stream.publish(streamName); - - __show_local_camera(media_camera); - }); - - var tcUrl:String = this.user_url.substr(0, this.user_url.lastIndexOf("/")); - this.media_conn.connect(tcUrl); - } - - /** - * function for js to call: to stop the stream. ignore if not publish. - */ - private function js_call_stop():void { - if (this.media_stream) { - this.media_stream.attachAudio(null); - this.media_stream.attachCamera(null); - this.media_stream.close(); - this.media_stream = null; - } - if (this.media_conn) { - this.media_conn.close(); - this.media_conn = null; - } - } - - private function __build_audio_codec(stream:NetStream, m:Microphone, acodec:Object):void { - if (!m) { - return; - } - - // if no microphone, donot set the params. - if(m == null){ - return; - } - - // use default values. - var microEncodeQuality:int = 8; - var microRate:int = 22; // 22 === 22050 Hz - - trace("[Publish] audio encoding parameters: " - + "audio(microphone) codec=" + acodec.codec + "encodeQuality=" + microEncodeQuality - + ", rate=" + microRate + "(22050Hz)" - ); - - // The encoded speech quality when using the Speex codec. Possible values are from 0 to 10. The default value is 6. Higher numbers - // represent higher quality but require more bandwidth, as shown in the following table. The bit rate values that are listed represent - // net bit rates and do not include packetization overhead. - m.encodeQuality = microEncodeQuality; - - // The rate at which the microphone is capturing sound, in kHz. Acceptable values are 5, 8, 11, 22, and 44. The default value is 8 kHz - // if your sound capture device supports this value. Otherwise, the default value is the next available capture level above 8 kHz that - // your sound capture device supports, usually 11 kHz. - m.rate = microRate; - - // see: http://www.adobe.com/cn/devnet/flashplayer/articles/acoustic-echo-cancellation.html - if (acodec.codec == "nellymoser") { - m.codec = SoundCodec.NELLYMOSER; - } else if (acodec.codec == "pcma") { - m.codec = SoundCodec.PCMA; - } else if (acodec.codec == "pcmu") { - m.codec = SoundCodec.PCMU; - } else { - m.codec = SoundCodec.SPEEX; - } - m.framesPerPacket = 1; - } - private function __build_video_codec(stream:NetStream, c:Camera, vcodec:Object):void { - if (!c) { - return; - } - - if(vcodec.codec == "vp6"){ - trace("use VP6, donot use H.264 publish encoding."); - return; - } - - var x264profile:String = (vcodec.profile == "main") ? H264Profile.MAIN : H264Profile.BASELINE; - var x264level:String = vcodec.level; - var cameraFps:Number = Number(vcodec.fps); - var x264KeyFrameInterval:int = int(vcodec.gop * cameraFps); - var cameraWidth:int = String(vcodec.size).split("x")[0]; - var cameraHeight:int = String(vcodec.size).split("x")[1]; - var cameraBitrate:int = int(vcodec.bitrate); - - // use default values. - var cameraQuality:int = 85; - - trace("[Publish] video h.264(x264) encoding parameters: " - + "profile=" + x264profile - + ", level=" + x264level - + ", keyFrameInterval(gop)=" + x264KeyFrameInterval - + "; video(camera) width=" + cameraWidth - + ", height=" + cameraHeight - + ", fps=" + cameraFps - + ", bitrate=" + cameraBitrate - + ", quality=" + cameraQuality - ); - - var h264Settings:H264VideoStreamSettings = new H264VideoStreamSettings(); - // we MUST set its values first, then set the NetStream.videoStreamSettings, or it will keep the origin values. - h264Settings.setProfileLevel(x264profile, x264level); - stream.videoStreamSettings = h264Settings; - // the setKeyFrameInterval/setMode/setQuality use the camera settings. - // http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/media/VideoStreamSettings.html - // Note This feature will be supported in future releases of Flash Player and AIR, for now, Camera parameters are used. - // - //h264Settings.setKeyFrameInterval(4); - //h264Settings.setMode(800, 600, 15); - //h264Settings.setQuality(500, 0); - - // set the camera and microphone. - - // setKeyFrameInterval(keyFrameInterval:int):void - // keyFrameInterval:int — A value that specifies which video frames are transmitted in full (as keyframes) instead of being - // interpolated by the video compression algorithm. A value of 1 means that every frame is a keyframe, a value of 3 means - // that every third frame is a keyframe, and so on. Acceptable values are 1 through 48. - c.setKeyFrameInterval(x264KeyFrameInterval); - - // setMode(width:int, height:int, fps:Number, favorArea:Boolean = true):void - // width:int — The requested capture width, in pixels. The default value is 160. - // height:int — The requested capture height, in pixels. The default value is 120. - // fps:Number — The requested rate at which the camera should capture data, in frames per second. The default value is 15. - c.setMode(cameraWidth, cameraHeight, cameraFps); - - // setQuality(bandwidth:int, quality:int):void - // bandwidth:int — Specifies the maximum amount of bandwidth that the current outgoing video feed can use, in bytes per second. - // To specify that the video can use as much bandwidth as needed to maintain the value of quality, pass 0 for bandwidth. - // The default value is 16384. - // quality:int — An integer that specifies the required level of picture quality, as determined by the amount of compression - // being applied to each video frame. Acceptable values range from 1 (lowest quality, maximum compression) to 100 - // (highest quality, no compression). To specify that picture quality can vary as needed to avoid exceeding bandwidth, - // pass 0 for quality. - // winlin: - // bandwidth is in Bps not kbps. - // quality=1 is lowest quality, 100 is highest quality. - c.setQuality(cameraBitrate / 8.0 * 1000, cameraQuality); - } - - private function __show_local_camera(c:Camera):void { - if (this.media_video) { - this.media_video.attachCamera(null); - this.removeChild(this.media_video); - this.media_video = null; - } - - // show local camera - media_video = new Video(); - media_video.attachCamera(c); - media_video.smoothing = true; - addChild(media_video); - - // rescale the local camera. - var cw:Number = user_h * c.width / c.height; - if (cw > user_w) { - var ch:Number = user_w * c.height / c.width; - media_video.width = user_w; - media_video.height = ch; - } else { - media_video.width = cw; - media_video.height = user_h; - } - media_video.x = (user_w - media_video.width) / 2; - media_video.y = (user_h - media_video.height) / 2; - - __draw_black_background(user_w, user_h); - - // lowest layer, for mask to cover it. - setChildIndex(media_video, 0); - } - - /** - * draw black background and draw the fullscreen mask. - */ - private function __draw_black_background(_width:int, _height:int):void { - // draw black bg. - this.graphics.beginFill(0x00, 1.0); - this.graphics.drawRect(0, 0, _width, _height); - this.graphics.endFill(); - - // draw the fs mask. - //this.control_fs_mask.graphics.beginFill(0xff0000, 0); - //this.control_fs_mask.graphics.drawRect(0, 0, _width, _height); - //this.control_fs_mask.graphics.endFill(); - } - } -} diff --git a/trunk/research/players/srs_reuse_conn/.actionScriptProperties b/trunk/research/players/srs_reuse_conn/.actionScriptProperties deleted file mode 100755 index ea33e282e..000000000 --- a/trunk/research/players/srs_reuse_conn/.actionScriptProperties +++ /dev/null @@ -1,41 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/trunk/research/players/srs_reuse_conn/.project b/trunk/research/players/srs_reuse_conn/.project deleted file mode 100755 index 11dc3f9c2..000000000 --- a/trunk/research/players/srs_reuse_conn/.project +++ /dev/null @@ -1,17 +0,0 @@ - - - srs_reuse_conn - - - - - - com.adobe.flexbuilder.project.flexbuilder - - - - - - com.adobe.flexbuilder.project.actionscriptnature - - diff --git a/trunk/research/players/srs_reuse_conn/.settings/org.eclipse.core.resources.prefs b/trunk/research/players/srs_reuse_conn/.settings/org.eclipse.core.resources.prefs deleted file mode 100644 index 0fc6bb311..000000000 --- a/trunk/research/players/srs_reuse_conn/.settings/org.eclipse.core.resources.prefs +++ /dev/null @@ -1,3 +0,0 @@ -#Sat Nov 22 18:40:22 CST 2014 -eclipse.preferences.version=1 -encoding/=utf-8 diff --git a/trunk/research/players/srs_reuse_conn/FlashCS5UI.swc b/trunk/research/players/srs_reuse_conn/FlashCS5UI.swc deleted file mode 100644 index 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LP0arSAZAdA6bDJv diff --git a/trunk/research/players/srs_reuse_conn/src/srs_reuse_conn.as b/trunk/research/players/srs_reuse_conn/src/srs_reuse_conn.as deleted file mode 100644 index 7516c5182..000000000 --- a/trunk/research/players/srs_reuse_conn/src/srs_reuse_conn.as +++ /dev/null @@ -1,123 +0,0 @@ -package -{ - import fl.controls.Button; - import fl.controls.TextInput; - - import flash.display.Sprite; - import flash.display.StageAlign; - import flash.display.StageScaleMode; - import flash.events.Event; - import flash.events.MouseEvent; - import flash.events.NetStatusEvent; - import flash.media.Video; - import flash.net.NetConnection; - import flash.net.NetStream; - - [SWF(backgroundColor="0xEEEEEE",frameRate="30",width="1024",height="576")] - public class srs_reuse_conn extends Sprite - { - public function srs_reuse_conn() - { - if (stage) { - onAddedToStage(null); - } else { - addEventListener(Event.ADDED_TO_STAGE, onAddedToStage); - } - } - - private function onAddedToStage(evt:Event):void - { - stage.align = StageAlign.TOP_LEFT; - stage.scaleMode = StageScaleMode.NO_SCALE; - - var txtUrl:TextInput = new TextInput(); - var btnConn:Button = new Button(); - var btnPlay:Button = new Button(); - - txtUrl.x = 10; - txtUrl.y = 10; - txtUrl.width = 400; - txtUrl.text = "rtmp://dev/live/livestream"; - addChild(txtUrl); - - btnConn.label = "Connect"; - btnConn.x = txtUrl.x + txtUrl.width + 10; - btnConn.y = txtUrl.y; - btnConn.width = 100; - addChild(btnConn); - - btnPlay.label = "Play"; - btnPlay.x = btnConn.x + btnConn.width + 10; - btnPlay.y = btnConn.y; - btnPlay.width = 100; - addChild(btnPlay); - - var video:Video = new Video(); - video.x = txtUrl.x; - video.y = txtUrl.y + txtUrl.height + 10; - addChild(video); - - var conn:NetConnection = null; - var stream:NetStream = null; - - var tcUrl:Function = function():String { - var url:String = txtUrl.text; - return url.substr(0, url.lastIndexOf("/")); - } - var streamName:Function = function():String { - var url:String = txtUrl.text; - return url.substr(tcUrl().length + 1); - } - - var closeConnection:Function = function():void { - if (stream) { - stream.close(); - stream = null; - } - if (conn) { - conn.close(); - conn = null; - } - btnConn.label = "Connect"; - btnPlay.visible = false; - }; - - btnPlay.visible = false; - btnConn.addEventListener(MouseEvent.CLICK, function(e:MouseEvent):void { - if (btnConn.label == "Connect") { - conn = new NetConnection(); - conn.client = { - onBWDone: function():void{} - }; - conn.addEventListener(NetStatusEvent.NET_STATUS, function(ne:NetStatusEvent):void { - if (ne.info.code == "NetConnection.Connect.Success") { - btnPlay.visible = true; - } else if (ne.info.code == "NetConnection.Connect.Closed") { - closeConnection(); - } - trace(ne.info.code); - }); - conn.connect(tcUrl()); - btnConn.label = "Close"; - } else { - closeConnection(); - } - }); - btnPlay.addEventListener(MouseEvent.CLICK, function(e:MouseEvent):void { - if (stream) { - stream.close(); - stream = null; - } - stream = new NetStream(conn); - stream.client = { - onMetaData: function(metadata:Object):void { - video.width = metadata.width; - video.height = metadata.height; - } - }; - video.attachNetStream(stream); - stream.play(streamName()); - }); - } - } -} diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp index ac4ae77dd..b27c5f28f 100644 --- a/trunk/src/core/srs_core_version5.hpp +++ b/trunk/src/core/srs_core_version5.hpp @@ -9,6 +9,6 @@ #define VERSION_MAJOR 5 #define VERSION_MINOR 0 -#define VERSION_REVISION 21 +#define VERSION_REVISION 22 #endif