diff --git a/trunk/research/players/js/srs.js b/trunk/research/players/js/srs.js
deleted file mode 100644
index cc89c4f8a..000000000
--- a/trunk/research/players/js/srs.js
+++ /dev/null
@@ -1,793 +0,0 @@
-//////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////
-
-/**
-* player specified size.
-*/
-function srs_get_player_modal() { return 740; }
-function srs_get_player_width() { return srs_get_player_modal() - 30; }
-function srs_get_player_height() { return srs_get_player_width() * 9 / 19; }
-
-// to query the swf anti cache.
-function srs_get_version_code() { return "1.9"; }
-// get the default vhost for players.
-function srs_get_player_vhost() { return "players"; }
-// the api server port, for chat room.
-function srs_get_api_server_port() { return 8085; }
-// get the stream published to vhost,
-// generally we need to transcode the stream to support HLS and filters.
-// for example, src_vhost is "players", we transcode stream to vhost "players_pub".
-// if not equals to the player vhost, return the orignal vhost.
-function srs_get_player_publish_vhost(src_vhost) { return (src_vhost != srs_get_player_vhost())? src_vhost:(src_vhost + "_pub"); }
-// for chat, use rtmp only vhost, low latecy, without gop cache.
-function srs_get_player_chat_vhost(src_vhost) { return (src_vhost != srs_get_player_vhost())? src_vhost:(src_vhost + "_pub_rtmp"); }
-
-//////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////
-/**
-* padding the output.
-* padding(3, 5, '0') is 00003
-* padding(3, 5, 'x') is xxxx3
-* @see http://blog.csdn.net/win_lin/article/details/12065413
-*/
-function padding(number, length, prefix) {
-    if(String(number).length >= length){
-        return String(number);
-    }
-    return padding(prefix+number, length, prefix);
-}
-
-/**
-* update the navigator, add same query string.
-*/
-function update_nav() {
-    $("#nav_srs_player").attr("href", "srs_player.html" + window.location.search);
-    $("#nav_srs_publisher").attr("href", "srs_publisher.html" + window.location.search);
-    $("#nav_srs_chat").attr("href", "srs_chat.html" + window.location.search);
-    $("#nav_srs_bwt").attr("href", "srs_bwt.html" + window.location.search);
-    $("#nav_jwplayer6").attr("href", "jwplayer6.html" + window.location.search);
-    $("#nav_osmf").attr("href", "osmf.html" + window.location.search);
-    $("#nav_vlc").attr("href", "vlc.html" + window.location.search);
-}
-
-/**
-* log specified, there must be a log element as:
-    <!-- for the log -->
-    <div class="alert alert-info fade in" id="txt_log">
-        <button type="button" class="close" data-dismiss="alert">×</button>
-        <strong><span id="txt_log_title">Usage:</span></strong>
-        <span id="txt_log_msg">创建会议室，或者加入会议室</span>
-    </div>
-*/
-function info(desc) {
-    $("#txt_log").addClass("alert-info").removeClass("alert-error").removeClass("alert-warn");
-    $("#txt_log_title").text("Info:");
-    $("#txt_log_msg").text(desc);
-}
-function warn(code, desc) {
-    $("#txt_log").removeClass("alert-info").removeClass("alert-error").addClass("alert-warn");
-    $("#txt_log_title").text("Warn:");
-    $("#txt_log_msg").text("code: " + code + ", " + desc);
-}
-function error(code, desc) {
-    $("#txt_log").removeClass("alert-info").addClass("alert-error").removeClass("alert-warn");
-    $("#txt_log_title").text("Error:");
-    $("#txt_log_msg").text("code: " + code + ", " + desc);
-}
-
-/**
-* parse the query string to object.
-*/
-function parse_query_string(){
-    var obj = {};
-
-    // parse the host(hostname:http_port), pathname(dir/filename)
-    obj.host = window.location.host;
-    obj.hostname = window.location.hostname;
-    obj.http_port = (window.location.port == "")? 80:window.location.port;
-    obj.pathname = window.location.pathname;
-    if (obj.pathname.lastIndexOf("/") <= 0) {
-        obj.dir = "/";
-        obj.filename = "";
-    } else {
-        obj.dir = obj.pathname.substr(0, obj.pathname.lastIndexOf("/"));
-        obj.filename = obj.pathname.substr(obj.pathname.lastIndexOf("/"));
-    }
-
-    // parse the query string.
-    var query_string = String(window.location.search).replace(" ", "").split("?")[1];
-    if(query_string == undefined){
-        return obj;
-    }
-
-    var queries = query_string.split("&");
-    $(queries).each(function(){
-        var query = this.split("=");
-        obj[query[0]] = query[1];
-    });
-
-    return obj;
-}
-
-/**
-@param server the ip of server. default to window.location.hostname
-@param vhost the vhost of rtmp. default to window.location.hostname
-@param port the port of rtmp. default to 1935
-@param app the app of rtmp. default to live.
-@param stream the stream of rtmp. default to livestream.
-*/
-function build_default_rtmp_url() {
-    var query = parse_query_string();
-
-    var server = (query.server == undefined)? window.location.hostname:query.server;
-    var port = (query.port == undefined)? 1935:query.port;
-    var vhost = (query.vhost == undefined)? window.location.hostname:query.vhost;
-    var app = (query.app == undefined)? "live":query.app;
-    var stream = (query.stream == undefined)? "livestream":query.stream;
-
-    if (server == vhost || vhost == "") {
-        return "rtmp://" + server + ":" + port + "/" + app + "/" + stream;
-    } else {
-        return "rtmp://" + server + ":" + port + "/" + app + "...vhost..." + vhost + "/" + stream;
-    }
-}
-// for the chat to init the publish url.
-function build_default_publish_rtmp_url() {
-    var query = parse_query_string();
-
-    var server = (query.server == undefined)? window.location.hostname:query.server;
-    var port = (query.port == undefined)? 1935:query.port;
-    var vhost = (query.vhost == undefined)? window.location.hostname:query.vhost;
-    var app = (query.app == undefined)? "live":query.app;
-    var stream = (query.stream == undefined)? "livestream":query.stream;
-
-    if (server == vhost || vhost == "") {
-        return "rtmp://" + server + ":" + port + "/" + app + "/" + stream;
-    } else {
-        vhost = srs_get_player_chat_vhost(vhost);
-        return "rtmp://" + server + ":" + port + "/" + app + "...vhost..." + vhost + "/" + stream;
-    }
-}
-
-/**
-@param server the ip of server. default to window.location.hostname
-@param vhost the vhost of hls. default to window.location.hostname
-@param hls_vhost the vhost of hls. override the server if specified.
-@param hls_port the port of hls. default to window.location.port
-@param app the app of hls. default to live.
-@param stream the stream of hls. default to livestream.
-*/
-function build_default_hls_url() {
-    var query = parse_query_string();
-
-    // for http, use hls_vhost to override server if specified.
-    var server = window.location.hostname;
-    if (query.server != undefined) {
-        server = query.server;
-    } else if (query.hls_vhost != undefined) {
-        server = query.hls_vhost;
-    }
-
-    var port = (query.hls_port == undefined)? window.location.port:query.hls_port;
-    var app = (query.app == undefined)? "live":query.app;
-    var stream = (query.stream == undefined)? "livestream":query.stream;
-
-    if (port == "" || port == null || port == undefined) {
-        port = 80;
-    }
-
-    return "http://" + server + ":" + port + "/" + app + "/" + stream + ".m3u8";
-}
-
-/**
-* parse the rtmp url,
-* for example: rtmp://demo.srs.com:1935/live...vhost...players/livestream
-* @return object {server, port, vhost, app, stream}
-*/
-function srs_parse_rtmp_url(rtmp_url) {
-    // @see: http://stackoverflow.com/questions/10469575/how-to-use-location-object-to-parse-url-without-redirecting-the-page-in-javascri
-    var a = document.createElement("a");
-    a.href = rtmp_url.replace("rtmp://", "http://");
-
-    var vhost = a.hostname;
-    var port = (a.port == "")? "1935":a.port;
-    var app = a.pathname.substr(1, a.pathname.lastIndexOf("/") - 1);
-    var stream = a.pathname.substr(a.pathname.lastIndexOf("/") + 1);
-
-    // parse the vhost in the params of app, that srs supports.
-    app = app.replace("...vhost...", "?vhost=");
-    if (app.indexOf("?") >= 0) {
-        var params = app.substr(app.indexOf("?"));
-        app = app.substr(0, app.indexOf("?"));
-
-        if (params.indexOf("vhost=") > 0) {
-            vhost = params.substr(params.indexOf("vhost=") + "vhost=".length);
-            if (vhost.indexOf("&") > 0) {
-                vhost = vhost.substr(0, vhost.indexOf("&"));
-            }
-        }
-    }
-
-    var ret = {
-        server: a.hostname, port: port,
-        vhost: vhost, app: app, stream: stream
-    };
-
-    return ret;
-}
-
-/**
-* initialize the page.
-* @param rtmp_url the div id contains the rtmp stream url to play
-* @param hls_url the div id contains the hls stream url to play
-* @param modal_player the div id contains the modal player
-*/
-function srs_init(rtmp_url, hls_url, modal_player) {
-    update_nav();
-
-    if (rtmp_url) {
-        $(rtmp_url).val(build_default_rtmp_url());
-    }
-    if (hls_url) {
-        $(hls_url).val(build_default_hls_url());
-    }
-    if (modal_player) {
-        $(modal_player).width(srs_get_player_modal() + "px");
-        $(modal_player).css("margin-left", "-" + srs_get_player_modal() / 2 +"px");
-    }
-}
-
-// for the chat to init the publish url.
-function srs_init_publish(rtmp_url) {
-    update_nav();
-
-    if (rtmp_url) {
-        $(rtmp_url).val(build_default_publish_rtmp_url());
-    }
-}
-
-// for bw to init url
-// url: scheme://host:port/path?query#fragment
-function srs_init_bwt(rtmp_url, hls_url) {
-    update_nav();
-
-    if (rtmp_url) {
-		//var query = parse_query_string();
-		var search_filed = String(window.location.search).replace(" ", "").split("?")[1];
-        $(rtmp_url).val("rtmp://" + window.location.host + ":" + 1935 + "/app?" + search_filed);
-    }
-    if (hls_url) {
-        $(hls_url).val(build_default_hls_url());
-    }
-}
-
-function srs_bwt_check_url(url) {
-	if (url.indexOf("key") != -1 && url.indexOf("vhost") != -1) {
-		return true;
-	}
-	
-	return false;
-}
-
-function srs_bwt_build_default_url() {
-	var url_default = "rtmp://" + window.location.host + ":" + 1935 + "/app?key=35c9b402c12a7246868752e2878f7e0e&vhost=bandcheck.srs.com";
-	return url_default;
-}
-
-/**
-* when publisher ready, init the page elements.
-*/
-function srs_publisher_initialize_page(
-    cameras, microphones,
-    sl_cameras, sl_microphones, sl_vcodec, sl_profile, sl_level, sl_gop, sl_size, sl_fps, sl_bitrate
-) {
-    $(sl_cameras).empty();
-    for (var i = 0; i < cameras.length; i++) {
-        $(sl_cameras).append("<option value='" + i + "'>" + cameras[i] + "</option");
-    }
-    // optional: select the first no "virtual" signed.
-    for (var i = 0; i < cameras.length; i++) {
-        if (cameras[i].toLowerCase().indexOf("virtual") == -1) {
-            $(sl_cameras + " option[value='" + i + "']").attr("selected", true);
-            break;
-        }
-    }
-
-    $(sl_microphones).empty();
-    for (var i = 0; i < microphones.length; i++) {
-        $(sl_microphones).append("<option value='" + i + "'>" + microphones[i] + "</option");
-    }
-
-    $(sl_vcodec).empty();
-    var vcodecs = ["h264", "vp6"];
-    for (var i = 0; i < vcodecs.length; i++) {
-        $(sl_vcodec).append("<option value='" + vcodecs[i] + "'>" + vcodecs[i] + "</option");
-    }
-
-    $(sl_profile).empty();
-    var profiles = ["baseline", "main"];
-    for (var i = 0; i < profiles.length; i++) {
-        $(sl_profile).append("<option value='" + profiles[i] + "'>" + profiles[i] + "</option");
-    }
-    $(sl_profile + " option[value='main']").attr("selected", true);
-
-    $(sl_level).empty();
-    var levels = ["1", "1b", "1.1", "1.2", "1.3",
-        "2", "2.1", "2.2", "3", "3.1", "3.2", "4", "4.1", "4.2", "5", "5.1"];
-    for (var i = 0; i < levels.length; i++) {
-        $(sl_level).append("<option value='" + levels[i] + "'>" + levels[i] + "</option");
-    }
-    $(sl_level + " option[value='4.1']").attr("selected", true);
-
-    $(sl_gop).empty();
-    var gops = ["0.3", "0.5", "1", "2", "3", "4",
-        "5", "6", "7", "8", "9", "10", "15", "20"];
-    for (var i = 0; i < gops.length; i++) {
-        $(sl_gop).append("<option value='" + gops[i] + "'>" + gops[i] + "秒</option");
-    }
-    $(sl_gop + " option[value='10']").attr("selected", true);
-
-    $(sl_size).empty();
-    var sizes = ["176x144", "320x240", "352x240",
-        "352x288", "460x240", "640x480", "720x480", "720x576", "800x600",
-        "1024x768", "1280x720", "1360x768", "1920x1080"];
-    for (i = 0; i < sizes.length; i++) {
-        $(sl_size).append("<option value='" + sizes[i] + "'>" + sizes[i] + "</option");
-    }
-    $(sl_size + " option[value='640x480']").attr("selected", true);
-
-    $(sl_fps).empty();
-    var fpses = ["5", "10", "15", "20", "24", "25", "29.97", "30"];
-    for (i = 0; i < fpses.length; i++) {
-        $(sl_fps).append("<option value='" + fpses[i] + "'>" + Number(fpses[i]).toFixed(2) + " 帧/秒</option");
-    }
-    $(sl_fps + " option[value='20']").attr("selected", true);
-
-    $(sl_bitrate).empty();
-    var bitrates = ["50", "200", "350", "500", "650", "800",
-        "950", "1000", "1200", "1500", "1800", "2000", "3000", "5000"];
-    for (i = 0; i < bitrates.length; i++) {
-        $(sl_bitrate).append("<option value='" + bitrates[i] + "'>" + bitrates[i] + " kbps</option");
-    }
-    $(sl_bitrate + " option[value='500']").attr("selected", true);
-}
-/**
-* for chat, use low latecy settings.
-*/
-function srs_chat_initialize_page(
-    cameras, microphones,
-    sl_cameras, sl_microphones, sl_vcodec, sl_profile, sl_level, sl_gop, sl_size, sl_fps, sl_bitrate
-) {
-    $(sl_cameras).empty();
-    for (var i = 0; i < cameras.length; i++) {
-        $(sl_cameras).append("<option value='" + i + "'>" + cameras[i] + "</option");
-    }
-    // optional: select the first no "virtual" signed.
-    for (var i = 0; i < cameras.length; i++) {
-        if (cameras[i].toLowerCase().indexOf("virtual") == -1) {
-            $(sl_cameras + " option[value='" + i + "']").attr("selected", true);
-            break;
-        }
-    }
-
-    $(sl_microphones).empty();
-    for (var i = 0; i < microphones.length; i++) {
-        $(sl_microphones).append("<option value='" + i + "'>" + microphones[i] + "</option");
-    }
-
-    $(sl_vcodec).empty();
-    var vcodecs = ["h264", "vp6"];
-    for (var i = 0; i < vcodecs.length; i++) {
-        $(sl_vcodec).append("<option value='" + vcodecs[i] + "'>" + vcodecs[i] + "</option");
-    }
-
-    $(sl_profile).empty();
-    var profiles = ["baseline", "main"];
-    for (var i = 0; i < profiles.length; i++) {
-        $(sl_profile).append("<option value='" + profiles[i] + "'>" + profiles[i] + "</option");
-    }
-    $(sl_profile + " option[value='baseline']").attr("selected", true);
-
-    $(sl_level).empty();
-    var levels = ["1", "1b", "1.1", "1.2", "1.3",
-        "2", "2.1", "2.2", "3", "3.1", "3.2", "4", "4.1", "4.2", "5", "5.1"];
-    for (var i = 0; i < levels.length; i++) {
-        $(sl_level).append("<option value='" + levels[i] + "'>" + levels[i] + "</option");
-    }
-    $(sl_level + " option[value='3.1']").attr("selected", true);
-
-    $(sl_gop).empty();
-    var gops = ["0.3", "0.5", "1", "2", "3", "4",
-        "5", "6", "7", "8", "9", "10", "15", "20"];
-    for (var i = 0; i < gops.length; i++) {
-        $(sl_gop).append("<option value='" + gops[i] + "'>" + gops[i] + "秒</option");
-    }
-    $(sl_gop + " option[value='0.5']").attr("selected", true);
-
-    $(sl_size).empty();
-    var sizes = ["176x144", "320x240", "352x240",
-        "352x288", "460x240", "640x480", "720x480", "720x576", "800x600",
-        "1024x768", "1280x720", "1360x768", "1920x1080"];
-    for (i = 0; i < sizes.length; i++) {
-        $(sl_size).append("<option value='" + sizes[i] + "'>" + sizes[i] + "</option");
-    }
-    $(sl_size + " option[value='460x240']").attr("selected", true);
-
-    $(sl_fps).empty();
-    var fpses = ["5", "10", "15", "20", "24", "25", "29.97", "30"];
-    for (i = 0; i < fpses.length; i++) {
-        $(sl_fps).append("<option value='" + fpses[i] + "'>" + Number(fpses[i]).toFixed(2) + " 帧/秒</option");
-    }
-    $(sl_fps + " option[value='15']").attr("selected", true);
-
-    $(sl_bitrate).empty();
-    var bitrates = ["50", "200", "350", "500", "650", "800",
-        "950", "1000", "1200", "1500", "1800", "2000", "3000", "5000"];
-    for (i = 0; i < bitrates.length; i++) {
-        $(sl_bitrate).append("<option value='" + bitrates[i] + "'>" + bitrates[i] + " kbps</option");
-    }
-    $(sl_bitrate + " option[value='350']").attr("selected", true);
-}
-/**
-* get the vcodec and acodec.
-*/
-function srs_publiser_get_codec(
-    vcodec, acodec,
-    sl_cameras, sl_microphones, sl_vcodec, sl_profile, sl_level, sl_gop, sl_size, sl_fps, sl_bitrate
-) {
-    acodec.device_code = $(sl_microphones).val();
-    acodec.device_name = $(sl_microphones).text();
-
-    vcodec.device_code = $(sl_cameras).find("option:selected").val();
-    vcodec.device_name = $(sl_cameras).find("option:selected").text();
-
-    vcodec.codec    = $(sl_vcodec).find("option:selected").val();
-    vcodec.profile  = $(sl_profile).find("option:selected").val();
-    vcodec.level    = $(sl_level).find("option:selected").val();
-    vcodec.fps      = $(sl_fps).find("option:selected").val();
-    vcodec.gop      = $(sl_gop).find("option:selected").val();
-    vcodec.size     = $(sl_size).find("option:selected").val();
-    vcodec.bitrate  = $(sl_bitrate).find("option:selected").val();
-}
-
-//////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////
-/**
-* 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.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.
-*/
-SrsPlayer.prototype.play = function(url) {
-    if (url) {
-        this.stream_url = url;
-    }
-    this.callbackObj.ref.__play(this.stream_url, this.width, this.height, this.buffer_time);
-}
-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);
-}
-
-//////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////
-/**
-* the SrsPublisher object.
-* @param container the html container id.
-* @param width a float value specifies the width of publisher.
-* @param height a float value specifies the height of publisher.
-* @param private_object [optional] an object that used as private object,
-*       for example, the logic chat object which owner this publisher.
-*/
-function SrsPublisher(container, width, height, private_object) {
-    if (!SrsPublisher.__id) {
-        SrsPublisher.__id = 100;
-    }
-    if (!SrsPublisher.__publishers) {
-        SrsPublisher.__publishers = [];
-    }
-
-    SrsPublisher.__publishers.push(this);
-
-    this.private_object = private_object;
-    this.container = container;
-    this.width = width;
-    this.height = height;
-    this.id = SrsPublisher.__id++;
-    this.callbackObj = null;
-
-    // set the values when publish.
-    this.url = null;
-    this.vcodec = {};
-    this.acodec = {};
-
-    // callback set the following values.
-    this.cameras = [];
-    this.microphones = [];
-    this.code = 0;
-
-    // error code defines.
-    this.errors = {
-        "100": "无法获取指定的摄像头", //error_camera_get
-        "101": "无法获取指定的麦克风", //error_microphone_get
-        "102": "摄像头为禁用状态，推流时请允许flash访问摄像头", //error_camera_muted
-    };
-}
-/**
-* user can set some callback, then start the publisher.
-* callbacks:
-*      on_publisher_ready(cameras, microphones):int, when srs publisher ready, user can publish.
-*      on_publisher_error(code, desc):int, when srs publisher error, callback this method.
-*      on_publisher_warn(code, desc):int, when srs publisher warn, callback this method.
-*/
-SrsPublisher.prototype.start = function() {
-    // embed the flash.
-    var flashvars = {};
-    flashvars.id = this.id;
-    flashvars.on_publisher_ready = "__srs_on_publisher_ready";
-    flashvars.on_publisher_error = "__srs_on_publisher_error";
-    flashvars.on_publisher_warn = "__srs_on_publisher_warn";
-
-    var params = {};
-    params.wmode = "opaque";
-    params.allowFullScreen = "true";
-    params.allowScriptAccess = "always";
-
-    var attributes = {};
-
-    var self = this;
-
-    swfobject.embedSWF(
-        "srs_publisher/release/srs_publisher.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;
-}
-/**
-* publish stream to server.
-* @param url a string indicates the rtmp url to publish.
-* @param vcodec an object contains the video codec info.
-* @param acodec an object contains the audio codec info.
-*/
-SrsPublisher.prototype.publish = function(url, vcodec, acodec) {
-    this.url = url;
-    this.vcodec = vcodec;
-    this.acodec = acodec;
-
-    this.callbackObj.ref.__publish(url, this.width, this.height, vcodec, acodec);
-}
-SrsPublisher.prototype.stop = function() {
-    this.callbackObj.ref.__stop();
-}
-/**
-* when publisher ready.
-* @param cameras a string array contains the names of cameras.
-* @param microphones a string array contains the names of microphones.
-*/
-SrsPublisher.prototype.on_publisher_ready = function(cameras, microphones) {
-}
-/**
-* when publisher error.
-* @code the error code.
-* @desc the error desc message.
-*/
-SrsPublisher.prototype.on_publisher_error = function(code, desc) {
-    throw new Error("publisher error. code=" + code + ", desc=" + desc);
-}
-SrsPublisher.prototype.on_publisher_warn = function(code, desc) {
-    throw new Error("publisher warn. code=" + code + ", desc=" + desc);
-}
-function __srs_find_publisher(id) {
-    for (var i = 0; i < SrsPublisher.__publishers.length; i++) {
-        var publisher = SrsPublisher.__publishers[i];
-
-        if (publisher.id != id) {
-            continue;
-        }
-
-        return publisher;
-    }
-
-    throw new Error("publisher not found. id=" + id);
-}
-function __srs_on_publisher_ready(id, cameras, microphones) {
-    var publisher = __srs_find_publisher(id);
-
-    publisher.cameras = cameras;
-    publisher.microphones = microphones;
-
-    publisher.on_publisher_ready(cameras, microphones);
-}
-function __srs_on_publisher_error(id, code) {
-    var publisher = __srs_find_publisher(id);
-
-    publisher.code = code;
-
-    publisher.on_publisher_error(code, publisher.errors[""+code]);
-}
-function __srs_on_publisher_warn(id, code) {
-    var publisher = __srs_find_publisher(id);
-
-    publisher.code = code;
-
-    publisher.on_publisher_warn(code, publisher.errors[""+code]);
-}
-