extract the components of js

trunk/research/players/js/srs.player.js

@@ -0,0 +1,191 @@
+/**
+* the SrsPlayer object.
+* @param container the html container id.
+* @param width a float value specifies the width of player.
+* @param height a float value specifies the height of player.
+* @param private_object [optional] an object that used as private object, 
+*       for example, the logic chat object which owner this player.
+*/
+function SrsPlayer(container, width, height, private_object) {
+    if (!SrsPlayer.__id) {
+        SrsPlayer.__id = 100;
+    }
+    if (!SrsPlayer.__players) {
+        SrsPlayer.__players = [];
+    }
+    
+    SrsPlayer.__players.push(this);
+    
+    this.private_object = private_object;
+    this.container = container;
+    this.width = width;
+    this.height = height;
+    this.id = SrsPlayer.__id++;
+    this.stream_url = null;
+    this.buffer_time = 0.8; // default to 0.8
+    this.volume = 1.0; // default to 100%
+    this.callbackObj = null;
+    
+    // callback set the following values.
+    this.meatadata = {}; // for on_player_metadata
+    this.time = 0; // current stream time.
+    this.buffer_length = 0; // current stream buffer length.
+}
+/**
+* user can set some callback, then start the player.
+* @param url the default url.
+* callbacks:
+*      on_player_ready():int, when srs player ready, user can play.
+*      on_player_metadata(metadata:Object):int, when srs player get metadata.
+*/
+SrsPlayer.prototype.start = function(url) {
+    if (url) {
+        this.stream_url = url;
+    }
+    
+    // embed the flash.
+    var flashvars = {};
+    flashvars.id = this.id;
+    flashvars.on_player_ready = "__srs_on_player_ready";
+    flashvars.on_player_metadata = "__srs_on_player_metadata";
+    flashvars.on_player_timer = "__srs_on_player_timer";
+    
+    var params = {};
+    params.wmode = "opaque";
+    params.allowFullScreen = "true";
+    params.allowScriptAccess = "always";
+    
+    var attributes = {};
+    
+    var self = this;
+    
+    swfobject.embedSWF(
+        "srs_player/release/srs_player.swf?_version="+srs_get_version_code(), 
+        this.container,
+        this.width, this.height,
+        "11.1", "js/AdobeFlashPlayerInstall.swf",
+        flashvars, params, attributes,
+        function(callbackObj){
+            self.callbackObj = callbackObj;
+        }
+    );
+    
+    return this;
+}
+/**
+* play the stream.
+* @param stream_url the url of stream, rtmp or http.
+* @param volume the volume, 0 is mute, 1 is 100%, 2 is 200%.
+*/
+SrsPlayer.prototype.play = function(url, volume) {
+    if (url) {
+        this.stream_url = url;
+    }
+    
+    // volume maybe 0, so never use if(volume) to check its value.
+    if (volume != null && volume != undefined) {
+        this.volume = volume;
+    }
+    
+    this.callbackObj.ref.__play(this.stream_url, this.width, this.height, this.buffer_time, this.volume);
+}
+SrsPlayer.prototype.stop = function() {
+    for (var i = 0; i < SrsPlayer.__players.length; i++) {
+        var player = SrsPlayer.__players[i];
+        
+        if (player.id != this.id) {
+            continue;
+        }
+        
+        SrsPlayer.__players.splice(i, 1);
+        break;
+    }
+    
+    this.callbackObj.ref.__stop();
+}
+SrsPlayer.prototype.pause = function() {
+    this.callbackObj.ref.__pause();
+}
+SrsPlayer.prototype.resume = function() {
+    this.callbackObj.ref.__resume();
+}
+/**
+* to set the DAR, for example, DAR=16:9
+* @param num, for example, 9. 
+*       use metadata height if 0.
+*       use user specified height if -1.
+* @param den, for example, 16. 
+*       use metadata width if 0.
+*       use user specified width if -1.
+*/
+SrsPlayer.prototype.dar = function(num, den) {
+    this.callbackObj.ref.__dar(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%.
+*/
+SrsPlayer.prototype.set_fs = function(refer, percent) {
+    this.callbackObj.ref.__set_fs(refer, percent);
+}
+/**
+* set the stream buffer time in seconds.
+* @buffer_time the buffer time in seconds.
+*/
+SrsPlayer.prototype.set_bt = function(buffer_time) {
+    this.buffer_time = buffer_time;
+    this.callbackObj.ref.__set_bt(buffer_time);
+}
+SrsPlayer.prototype.on_player_ready = function() {
+}
+SrsPlayer.prototype.on_player_metadata = function(metadata) {
+    // ignore.
+}
+SrsPlayer.prototype.on_player_timer = function(time, buffer_length) {
+    // ignore.
+}
+function __srs_find_player(id) {
+    for (var i = 0; i < SrsPlayer.__players.length; i++) {
+        var player = SrsPlayer.__players[i];
+        
+        if (player.id != id) {
+            continue;
+        }
+        
+        return player;
+    }
+    
+    throw new Error("player not found. id=" + id);
+}
+function __srs_on_player_ready(id) {
+    var player = __srs_find_player(id);
+    player.on_player_ready();
+}
+function __srs_on_player_metadata(id, metadata) {
+    var player = __srs_find_player(id);
+    
+    // user may override the on_player_metadata, 
+    // so set the data before invoke it.
+    player.metadata = metadata;
+    
+    player.on_player_metadata(metadata);
+}
+function __srs_on_player_timer(id, time, buffer_length) {
+    var player = __srs_find_player(id);
+    
+    buffer_length = Math.max(0, buffer_length);
+    buffer_length = Math.min(player.buffer_time, buffer_length);
+    
+    time = Math.max(0, time);
+    
+    // user may override the on_player_timer, 
+    // so set the data before invoke it.
+    player.time = time;
+    player.buffer_length = buffer_length;
+    
+    player.on_player_timer(time, buffer_length);
+}