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Code Issues Releases Wiki Activity

update the srs player, set the DAR.

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This commit is contained in:
winlin 2013-12-20 18:46:56 +08:00
parent 5bfb561f89
commit 42ec5f19fc
5 changed files with 258 additions and 85 deletions
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114
trunk/research/players/srs_player/src/srs_player.as
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@ -15,14 +15,23 @@ package
public class srs_player extends Sprite
{
// user set id.
private var id:String = null;
// user set callback
private var on_player_ready:String = null;
private var on_player_metadata:String = null;
// play param url.
private var url:String = null;
// play param, user set width
private var w:int = 0;
// play param, user set height.
private var h:int = 0;
private var conn:NetConnection = null;
private var stream:NetStream = null;
private var video:Video = null;
private var metadata:Object = {};
public function srs_player()
{
@ -51,6 +60,7 @@ package
this.id = flashvars.id;
this.on_player_ready = flashvars.on_player_ready;
this.on_player_metadata = flashvars.on_player_metadata;
flash.utils.setTimeout(this.onJsReady, 0);
}
@ -66,6 +76,7 @@ package
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("__dar", this.js_call_dar);
var code:int = flash.external.ExternalInterface.call(this.on_player_ready, this.id);
if (code != 0) {
@ -87,6 +98,37 @@ package
return 0;
}
/**
* to set the DAR, for example, DAR=16:9
* @param num, for example, 9.
* @param den, for example, 16.
*/
public function js_call_dar(num:int, den:int):int {
if (this.video && num > 0 && den > 0 && this.video.width > 0) {
// set DAR.
if (num < den) {
// calc the height by DAR
var _height:int = this.video.width * num / den;
// height overflow, calc the width by DAR
if (_height > this.h) {
var _width:int = this.video.height * den / num;
this.video.width = _width;
this.video.height = this.h;
} else {
this.video.width = this.w;
this.video.height = _height;
}
}
// align center.
this.video.y = (this.h - this.video.height) / 2;
this.video.x = (this.w - this.video.width) / 2;
}
return 0;
}
public function js_call_stop():int {
if (this.stream) {
this.stream.close();
@ -106,7 +148,14 @@ package
public function js_call_play(url:String, _width:int, _height:int, _buffer_time:Number):int {
this.url = url;
trace("start to play url: " + this.url);
this.w = _width;
this.h = _height;
trace("start to play url: " + this.url + ", w=" + this.w + ", h=" + this.h);
// draw black bg.
this.graphics.beginFill(0x00, 1.0);
this.graphics.drawRect(0, 0, this.w, this.h);
this.graphics.endFill();
js_call_stop();
@ -122,18 +171,13 @@ package
stream = new NetStream(conn);
stream.bufferTime = _buffer_time;
stream.client = {};
stream.client.onMetaData = function(metadata:Object):void {
var customItems:Array = [new ContextMenuItem("SrsPlayer")];
if (metadata.hasOwnProperty("server")) {
customItems.push(new ContextMenuItem("Server: " + metadata.server));
}
if (metadata.hasOwnProperty("contributor")) {
customItems.push(new ContextMenuItem("Contributor: " + metadata.contributor));
}
contextMenu.customItems = customItems;
};
stream.client.onMetaData = on_metadata;
stream.addEventListener(NetStatusEvent.NET_STATUS, function(evt:NetStatusEvent):void {
trace ("NetStream: code=" + evt.info.code);
if (evt.info.code == "NetStream.Video.DimensionChange") {
on_metadata(metadata);
}
});
stream.play(url.substr(url.lastIndexOf("/")));
@ -148,5 +192,53 @@ package
return 0;
}
private function on_metadata(metadata:Object):void {
this.metadata = metadata;
// for context menu
var customItems:Array = [new ContextMenuItem("SrsPlayer")];
if (metadata.hasOwnProperty("server")) {
customItems.push(new ContextMenuItem("Server: " + metadata.server));
}
if (metadata.hasOwnProperty("contributor")) {
customItems.push(new ContextMenuItem("Contributor: " + metadata.contributor));
}
contextMenu.customItems = customItems;
// for js.
var obj:Object = {
width: video.width,
height: video.height,
server: 'srs',
contributor: 'winlin'
};
if (metadata.hasOwnProperty("width")) {
obj.width = metadata.width;
}
if (metadata.hasOwnProperty("height")) {
obj.height = metadata.height;
}
if (video.videoWidth > 0) {
obj.width = video.videoWidth;
}
if (video.videoHeight > 0) {
obj.height = video.videoHeight;
}
if (metadata.hasOwnProperty("server")) {
obj.server = metadata.server;
}
if (metadata.hasOwnProperty("contributor")) {
obj.contributor = metadata.contributor;
}
var code:int = flash.external.ExternalInterface.call(on_player_metadata, id, obj);
if (code != 0) {
throw new Error("callback on_player_metadata failed. code=" + code);
}
}
}
}