diff --git a/trunk/research/players/rtc_player.html b/trunk/research/players/rtc_player.html
index e1eb61eeb..719d710ea 100644
--- a/trunk/research/players/rtc_player.html
+++ b/trunk/research/players/rtc_player.html
@@ -30,6 +30,7 @@
                     <!--<li><a id="nav_jwplayer6" href="jwplayer6.html">JWPlayer6播放器</a></li>-->
                     <!--<li><a id="nav_osmf" href="osmf.html">AdobeOSMF播放器</a></li>-->
                     <li><a id="nav_vlc" href="vlc.html">VLC播放器</a></li>
+                    <li><a id="nav_gb28181" href="srs_gb28181.html">SRS-GB28181</a></li>
                 </ul>
             </div>
         </div>
diff --git a/trunk/research/players/srs_bwt.html b/trunk/research/players/srs_bwt.html
index 53d893c7e..408516d9c 100644
--- a/trunk/research/players/srs_bwt.html
+++ b/trunk/research/players/srs_bwt.html
@@ -30,6 +30,7 @@
                     <!--<li><a id="nav_jwplayer6" href="jwplayer6.html">JWPlayer6播放器</a></li>-->
                     <!--<li><a id="nav_osmf" href="osmf.html">AdobeOSMF播放器</a></li>-->
                     <li><a id="nav_vlc" href="vlc.html">VLC播放器</a></li>
+                    <li><a id="nav_gb28181" href="srs_gb28181.html">SRS-GB28181</a></li>
                 </ul>
             </div>
         </div>
diff --git a/trunk/research/players/srs_chat.html b/trunk/research/players/srs_chat.html
index 220f6f19f..6591c1492 100644
--- a/trunk/research/players/srs_chat.html
+++ b/trunk/research/players/srs_chat.html
@@ -29,6 +29,7 @@
                     <!--<li><a id="nav_jwplayer6" href="jwplayer6.html">JWPlayer6播放器</a></li>-->
                     <!--<li><a id="nav_osmf" href="osmf.html">AdobeOSMF播放器</a></li>-->
                     <li><a id="nav_vlc" href="vlc.html">VLC播放器</a></li>
+                    <li><a id="nav_gb28181" href="srs_gb28181.html">SRS-GB28181</a></li>
                 </ul>
             </div>
         </div>
diff --git a/trunk/research/players/srs_gb28181.html b/trunk/research/players/srs_gb28181.html
new file mode 100644
index 000000000..b2094fa4c
--- /dev/null
+++ b/trunk/research/players/srs_gb28181.html
@@ -0,0 +1,1172 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>SRS</title>   
+    <meta charset="utf-8">
+    <link rel="stylesheet" type="text/css" href="css/bootstrap.min.css"/>
+    <style>
+        body{
+            padding-top: 55px;
+        }
+        #my_modal_footer {
+            margin-top: -20px;
+            padding-top: 3px;
+        }
+        #main_modal {
+            margin-top: -60px;
+        }
+        #rtc_player_modal {
+            margin-top: -60px;
+        }
+        .div_play_time {
+            margin-top: 10px;
+        }
+        #pb_buffer_bg {
+            margin-top: -4px;
+            margin-bottom: 10px;
+        }
+    </style>
+</head>
+<body>
+<img src='https://ossrs.net/gif/v1/sls.gif?site=ossrs.net&path=/player/srsplayer'/>
+<div class="navbar navbar-fixed-top">
+    <div class="navbar-inner">
+        <div class="container">
+            <a id="srs_index" class="brand" href="#">SRS</a>
+            <div class="nav-collapse collapse">
+                <ul class="nav">
+                    <li><a id="nav_srs_player" href="srs_player.html">SRS播放器</a></li>
+                    <li><a id="nav_rtc_player" href="rtc_player.html">RTC播放器</a></li>
+                    <li><a id="nav_srs_publisher" href="srs_publisher.html">SRS编码器</a></li>
+                    <li><a id="nav_srs_chat" href="srs_chat.html">SRS会议</a></li>
+                    <li><a id="nav_srs_bwt" href="srs_bwt.html">SRS测网速</a></li>
+                    <!--<li><a id="nav_jwplayer6" href="jwplayer6.html">JWPlayer6播放器</a></li>-->
+                    <!--<li><a id="nav_osmf" href="osmf.html">AdobeOSMF播放器</a></li>-->
+                    <li><a id="nav_vlc" href="vlc.html">VLC播放器</a></li>
+                    <li class="active" ><a id="nav_gb28181" href="srs_gb28181.html">SRS-GB28181</a></li>
+                </ul>
+            </div>
+        </div>
+    </div>
+</div>
+<div class="container">
+    <div name="detect_flash">
+        <div id="main_flash_alert" class="alert alert-danger fade in hide">
+            <button type="button" class="close" data-dismiss="alert">×</button>
+            <strong><p>Usage:</p></strong>
+            <p>
+                请点击下面的图标，启用Flash
+            </p>
+            <p>
+                若没有见到这个图标，Chrome浏览器请打开
+                <span class="text-info">chrome://settings/content/flash</span> 并修改为"Ask first"。
+            </p>
+        </div>
+        <div id="main_flash_hdr" class="hide">
+        </div>
+    </div>
+
+    <div class="form-inline">
+        API地址与端口
+        <input type="text" id="txt_api_url" class="input-xxlarge">
+        <p></p>
+      
+    </div>
+
+    <div>
+        <div class="row">
+            <div class="span4" id="divSipSessionList">
+                <span>sip会话(需内部启用sip)</span><label id="lab_sip_session"></label>
+                <div style="overflow:scroll; height:250px; width:310px">
+                 <ul id="sipSessionList"></ul>
+                </div>
+                
+
+            </div>
+            <div class="span8">
+                <button class="btn btn-primary" id="btn_sip_query_session">查询所有会话</button>
+                <button class="btn btn-primary" id="btn_sip_unregister">unregister</button>
+                <button class="btn btn-primary" id="btn_sip_invite">invite</button>
+                <button class="btn btn-primary" id="btn_sip_bye">bye</button>
+                <button class="btn btn-primary" id="btn_sip_querycatalog">querycatalog</button>
+                <div id="context2">
+                  当前会话:<a id="sipSessionId"></a>
+                  <div>
+                    <pre id="sipSessionMessage"  style="overflow:scroll; height:230px"></pre>
+                  </div>
+               </div>
+            </div>
+        </div>
+      </div>
+      <p></p>
+
+      <div>
+        <div class="row">
+            <div class="span4" id="divMediaChannelList">
+                <span>GB28181媒体通道</span><label id="lab_gb28181_ch"></label>
+                <div style="overflow:scroll; height:320px; width:310px">
+                 <ul id="gb28181ChList"></ul>
+                </div>
+              
+            </div>
+            <div class="span8">
+                <button class="btn btn-primary" id="btn_query_channel">查询所有通道</button>
+                <button class="btn btn-primary" id="btn_create_channel">创建通道</button>
+                <button class="btn btn-primary" id="btn_delete_channel">删除通道</button>
+                <div id="context2">
+                  当前通道:<a id="gb28181ChannelId"></a>
+                  <div>
+                    <textarea class="span6" id="txt_rtmp_url" rows="2"></textarea>
+                    <button class="btn btn-primary" id="btn_play">RTMP播放</button>
+                     
+                  </div>
+                  <div>
+                    <textarea class="span6" id="txt_rtc_url" rows="2"></textarea>
+                    <button class="btn btn-primary" id="btn_rtc_play">RTC播放</button>
+                    需要后台配置rtc功能才能正常启用， rtc配置请参考如下
+                    https://github.com/ossrs/srs/issues/307#issuecomment-602193458
+                  </div>
+                  <div>
+                    <pre id="gb28181ChannelMessage"  style="overflow:scroll; height:300px"></pre>
+                  </div>
+               </div>
+            </div>
+        </div>
+      </div>
+
+      <div id="main_content" class="hide">
+        <div id="link_modal" class="modal hide fade">
+            <div class="modal-header">
+                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
+                <h3><a href="https://github.com/ossrs/srs">SRS Link Generator</a></h3>
+            </div>
+            <div class="modal-body">
+                <div class="form-horizontal">
+                    <div class="control-group">
+                        <label class="control-label" for="link_server">服务器地址</label>
+                        <div class="controls">
+                            <span id="link_server" class="span4 uneditable-input"></span>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <label class="control-label" for="link_port">服务器端口</label>
+                        <div class="controls">
+                            <span id="link_port" class="span2 uneditable-input"></span>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <label class="control-label" for="link_vhost">RTMP Vhost</label>
+                        <div class="controls">
+                            <span id="link_vhost" class="span4 uneditable-input"></span>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <label class="control-label" for="link_app">RTMP App</label>
+                        <div class="controls">
+                            <span id="link_app" class="span4 uneditable-input"></span>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <label class="control-label" for="link_stream">RTMP Stream</label>
+                        <div class="controls">
+                            <span id="link_stream" class="span4 uneditable-input"></span>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <label class="control-label" for="link_rtmp">RTMP地址</label>
+                        <div class="controls">
+                            <span id="link_rtmp" class="span4 uneditable-input"></span>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <label class="control-label" for="link_url">播放链接地址</label>
+                        <div class="controls">
+                            <div style="margin-top:5px;"><a href="#" id="link_url" target="_blank">请右键拷贝此链接地址.</a></div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            <div class="modal-footer"></div>
+        </div>
+
+        <div id="main_modal" class="modal hide fade">
+            <div class="modal-header">
+                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
+                <h3><a href="https://github.com/ossrs/srs">SrsPlayer</a></h3>
+            </div>
+            <div class="modal-body">
+                <div id="player"></div>
+                <div class="progress progress-striped active" id="pb_buffer_bg">
+                    <div class="bar" style="width: 0%;" id="pb_buffer"></div>
+                </div>
+            </div>
+            <div class="modal-footer" id="my_modal_footer">
+                <div>
+                    <div class="btn-group dropup">
+                        <button class="btn dropdown-toggle" data-toggle="dropdown">
+                            全屏比例大小<span class="caret"></span>
+                        </button>
+                        <ul class="dropdown-menu">
+                            <li><a id="btn_fs_size_screen_100" href="#">屏幕大小(100%)</a></li>
+                            <li><a id="btn_fs_size_screen_75" href="#">屏幕大小(75%)</a></li>
+                            <li><a id="btn_fs_size_screen_50" href="#">屏幕大小(50%)</a></li>
+                            <li><a id="btn_fs_size_video_100" href="#">视频大小(100%)</a></li>
+                            <li><a id="btn_fs_size_video_75" href="#">视频大小(75%)</a></li>
+                            <li><a id="btn_fs_size_video_50" href="#">视频大小(50%)</a></li>
+                        </ul>
+                    </div>
+                    <div class="btn-group dropup">
+                        <button class="btn dropdown-toggle" data-toggle="dropdown">显示比例<span class="caret"></span></button>
+                        <ul class="dropdown-menu">
+                            <li><a id="btn_dar_original" href="#">视频原始比例</a></li>
+                            <li><a id="btn_dar_21_9" href="#">宽屏影院(21:9)</a></li>
+                            <li><a id="btn_dar_16_9" href="#">宽屏电视(16:9)</a></li>
+                            <li><a id="btn_dar_4_3" href="#">窄屏(4:3)</a></li>
+                            <li><a id="btn_dar_fill" href="#">填充(容器比例)</a></li>
+                        </ul>
+                    </div>
+                    <div class="btn-group dropup">
+                        <button class="btn dropdown-toggle" data-toggle="dropdown">缓冲区大小<span class="caret"></span></button>
+                        <ul class="dropdown-menu">
+                            <li><a id="btn_bt_0_1" href="#">0.1秒(实时)</a></li>
+                            <li><a id="btn_bt_0_2" href="#">0.2秒(实时)</a></li>
+                            <li><a id="btn_bt_0_3" href="#">0.3秒(实时)</a></li>
+                            <li><a id="btn_bt_0_5" href="#">0.5秒(实时)</a></li>
+                            <li><a id="btn_bt_0_8" href="#">0.8秒(会议)</a></li>
+                            <li><a id="btn_bt_1_0" href="#">1秒(低延迟)</a></li>
+                            <li><a id="btn_bt_2_0" href="#">2秒(较低延时)</a></li>
+                            <li><a id="btn_bt_3_0" href="#">3秒(流畅播放)</a></li>
+                            <li><a id="btn_bt_4_0" href="#">4秒(流畅播放)</a></li>
+                            <li><a id="btn_bt_5_0" href="#">5秒(网速较低)</a></li>
+                            <li><a id="btn_bt_6_0" href="#">6秒(网速较低)</a></li>
+                            <li><a id="btn_bt_8_0" href="#">8秒(网速较低)</a></li>
+                            <li><a id="btn_bt_10_0" href="#">10秒(无所谓延迟)</a></li>
+                            <li><a id="btn_bt_15_0" href="#">15秒(无所谓延迟)</a></li>
+                            <li><a id="btn_bt_20_0" href="#">20秒(无所谓延迟)</a></li>
+                            <li><a id="btn_bt_30_0" href="#">30秒(流畅第一)</a></li>
+                        </ul>
+                    </div>
+                    <div class="btn-group dropup">
+                        <button class="btn dropdown-toggle" data-toggle="dropdown">最大缓冲区<span class="caret"></span></button>
+                        <ul class="dropdown-menu">
+                            <li><a id="btn_mbt_0_6" href="#">0.6秒(实时)</a></li>
+                            <li><a id="btn_mbt_0_9" href="#">0.9秒(实时)</a></li>
+                            <li><a id="btn_mbt_1_2" href="#">1.2秒(实时)</a></li>
+                            <li><a id="btn_mbt_1_5" href="#">1.5秒(实时)</a></li>
+                            <li><a id="btn_mbt_2_4" href="#">2.4秒(会议)</a></li>
+                            <li><a id="btn_mbt_3_0" href="#">3秒(低延迟)</a></li>
+                            <li><a id="btn_mbt_6_0" href="#">6秒(较低延时)</a></li>
+                            <li><a id="btn_mbt_9_0" href="#">9秒(流畅播放)</a></li>
+                            <li><a id="btn_mbt_12_0" href="#">12秒(流畅播放)</a></li>
+                            <li><a id="btn_mbt_15_0" href="#">15秒(网速较低)</a></li>
+                            <li><a id="btn_mbt_18_0" href="#">18秒(网速较低)</a></li>
+                            <li><a id="btn_mbt_24_0" href="#">24秒(网速较低)</a></li>
+                            <li><a id="btn_mbt_30_0" href="#">30秒(无所谓延迟)</a></li>
+                            <li><a id="btn_mbt_45_0" href="#">45秒(无所谓延迟)</a></li>
+                            <li><a id="btn_mbt_60_0" href="#">60秒(无所谓延迟)</a></li>
+                            <li><a id="btn_mbt_90_0" href="#">90秒(流畅第一)</a></li>
+                        </ul>
+                    </div>
+                    <div class="btn-group dropup">
+                        <a id="btn_fullscreen" class="btn">全屏</a>
+                    </div>
+                    <div class="btn-group dropup">
+                        <button id="btn_pause" class="btn">暂停播放</button>
+                        <button id="btn_resume" class="btn hide">继续播放</button>
+                    </div>
+                    <div class="btn-group dropup">
+                        <button class="btn btn-primary" data-dismiss="modal" aria-hidden="true">关闭播放器</button>
+                    </div>
+                </div>
+                <div class="hide" id="fullscreen_tips">
+                    请<font color="red">点击视频</font>进入全屏模式~<br/>
+                    由于安全原因，Flash全屏无法使用JS触发
+                </div>
+                <div>
+                    <div class="input-prepend div_play_time" title="BufferLength/BufferTime/MaxBufferTime">
+                        <span class="add-on">@B</span>
+                        <input class="span2" style="width:80px" id="txt_buffer" type="text" placeholder="0/0/0s">
+                    </div>
+                    <div class="input-prepend div_play_time" title="视频的播放流畅度">
+                        <span class="add-on">@F</span>
+                        <input class="span2" style="width:57px" id="txt_fluency" type="text" placeholder="100%">
+                    </div>
+                    <div class="input-prepend div_play_time" title="视频总共卡顿次数">
+                        <span class="add-on">@E</span>
+                        <input class="span2" style="width:45px" id="txt_empty_count" type="text" placeholder="0">
+                    </div>
+                    <div class="input-prepend div_play_time" title="视频当前的帧率FPS">
+                        <span class="add-on">@F</span>
+                        <input class="span2" style="width:55px" id="txt_fps" type="text" placeholder="fps">
+                    </div>
+                    <div class="input-prepend div_play_time" title="视频当前的码率(视频+音频)，单位：Kbps">
+                        <span class="add-on">@B</span>
+                        <input class="span2" style="width:55px" id="txt_bitrate" type="text" placeholder="kbps">
+                    </div>
+                    <div class="input-prepend div_play_time" title="播放时长，格式：天 时:分:秒">
+                        <span class="add-on">@T</span>
+                        <input class="span2" style="width:85px" id="txt_time" type="text" placeholder="天 时:分:秒">
+                    </div>
+                </div>
+                <div style="margin-top:-12px;">
+                    <span id="debug_info"></span>
+                    URL: <a href="#" id="player_url"></a>
+                    <div class="input-prepend div_play_time" title="当前时间：年-月-日 时:分:秒">
+                        <span class="add-on">@N</span>
+                        <input class="span2" style="width:135px" id="player_clock" type="text" placeholder="年-月-日 时:分:秒">
+                    </div>
+                </div>
+                <div>
+                    <div class="input-prepend" title="首播时间，点播放到开始播放的时间，秒">
+                        <span class="add-on">@PST</span>
+                        <input class="span1" style="width:60px" id="txt_pst" type="text" placeholder="N秒">
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div id="rtc_player_modal" class="modal hide fade">
+            <div class="modal-header">
+                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
+                <h3><a href="https://github.com/ossrs/srs">RtcPlayer</a></h3>
+            </div>
+            <div class="modal-body">
+                <video id="rtc_media_player" controls autoplay ></video>
+            </div>
+            <div class="modal-footer" id="my_modal_footer">
+            </div>
+        </div>
+
+        <div id="create_channel_modal" class="modal hide fade">
+            <div class="modal-header">
+                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
+                <h3>创建通道</h3>
+            </div>
+            <div class="modal-body">
+                <div>
+                    <span class="add-on">通道ID</span>
+                    <input class="span1" style="width:200px" id="txt_channel_id" type="text" >
+                </div>
+                <div>
+                    <span class="add-on">app</span>
+                    <input class="span1" style="width:200px" id="txt_app" type="text" value="live">
+                </div>
+                <div>
+                    <div>可以参数化: [stream]--通道ID; [ssrc]--rtp中ssrc; [timestamp]--当前时间戳</div>
+                    <span class="add-on">stream</span>
+                    <input class="span1" style="width:200px" id="txt_stream" type="text" value="[stream]">
+                </div>
+                <div>
+                    <span>端口模式</span>
+                    <select id="sel_ch_mode_type" onclick="selectChannelModeType(this)">
+                        <option value="fixed">固定</option>
+                        <option value="random">随机</option>
+                    </select>
+                </div>
+            </div>
+            <div class="modal-footer" id="my_modal_footer">
+                <div class="btn-group dropup">
+                    <button id="btn_channel_cancel" class="btn btn-primary">取消</button>
+                </div>
+                <div class="btn-group dropup">
+                    <button id="btn_channel_submit" class="btn btn-primary">提交</button>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <footer>
+        <p></p>
+        <p><a href="https://github.com/ossrs/srs">SRS Team &copy; 2013</a></p>
+    </footer>
+</div>
+</body>
+<script type="text/javascript" src="js/jquery-1.10.2.min.js"></script>
+<script type="text/javascript" src="js/bootstrap.min.js"></script>
+<script type="text/javascript" src="js/swfobject.js"></script>
+<script type="text/javascript" src="js/json2.js"></script>
+<script type="text/javascript" src="js/srs.page.js"></script>
+<script type="text/javascript" src="js/srs.log.js"></script>
+<script type="text/javascript" src="js/srs.player.js"></script>
+<script type="text/javascript" src="js/srs.publisher.js"></script>
+<script type="text/javascript" src="js/srs.utility.js"></script>
+<script type="text/javascript" src="js/winlin.utility.js"></script>
+<script type="text/javascript">
+    var __on_flash_ready = null;
+
+    $(function(){
+        // 探测Flash是否正常启用。
+        $('#main_flash_hdr').html(
+            '\
+            <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="100%" height="100%"> \
+                <param name="movie" value="srs_player/release/srs_player.swf"> \
+                <param name="quality" value="autohigh"> \
+                <param name="swliveconnect" value="true"> \
+                <param name="allowScriptAccess" value="always"> \
+                <param name="bgcolor" value="#0"> \
+                <param name="allowFullScreen" value="true"> \
+                <param name="wmode" value="opaque"> \
+                <param name="FlashVars" value="log=1"> \
+                <param name="flashvars" value="id=1&on_player_ready=__on_flash_ready"> \
+                <embed src="srs_player/release/srs_player.swf" width="100%" height="100%" \
+                    quality="autohigh" bgcolor="#0" align="middle" allowfullscreen="true" allowscriptaccess="always" \
+                    type="application/x-shockwave-flash" swliveconnect="true" wmode="opaque" \
+                    flashvars="id=1&on_player_ready=__on_flash_ready" \
+                    pluginspage="http://www.macromedia.com/go/getflashplayer"> \
+            </object> \
+            '
+        );
+        $('#main_flash_hdr').show();
+
+        var showFlashHdr = setTimeout(function(){
+            $('#main_flash_alert').show();
+        }, 300);
+
+        __on_flash_ready = function (id) {
+            clearTimeout(showFlashHdr);
+
+            $('#main_flash_alert').hide();
+            $('#main_flash_hdr').hide();
+            $('#main_content').show();
+
+            autoLoadPage();
+        };
+    });
+</script>
+<script type="text/javascript">
+    var srs_player = null;
+    var url = null;
+
+    var query = parse_query_string();
+    $("#txt_api_url").val("http://" + query.host + ":1985")
+
+    var __active_dar = null;
+    function select_dar(dar_id, num, den) {
+        srs_player.set_dar(num, den);
+
+        if (__active_dar) {
+            __active_dar.removeClass("active");
+        }
+
+        __active_dar = $(dar_id).parent();
+        __active_dar.addClass("active");
+    }
+
+    var __active_size = null;
+    function select_fs_size(size_id, refer, percent) {
+        srs_player.set_fs(refer, percent);
+
+        if (__active_size) {
+            __active_size.removeClass("active");
+        }
+
+        __active_size = $(size_id).parent();
+        __active_size.addClass("active");
+    }
+
+    function select_buffer(buffer_time) {
+        var bt = buffer_time;
+        var bt_id = "#btn_bt_" + bt.toFixed(1).replace(".", "_");
+        select_buffer_time(bt_id, bt);
+    }
+    function select_max_buffer(max_buffer_time) {
+        var mbt = max_buffer_time;
+        var mbt_id = "#btn_mbt_" + mbt.toFixed(1).replace(".", "_");
+        select_max_buffer_time(mbt_id, mbt);
+    }
+
+    var __active_bt = null;
+    function select_buffer_time(bt_id, buffer_time) {
+        srs_player.set_bt(buffer_time);
+
+        if (__active_bt) {
+            __active_bt.removeClass("active");
+        }
+
+        __active_bt = $(bt_id).parent();
+        __active_bt.addClass("active");
+
+        select_max_buffer(srs_player.max_buffer_time);
+    }
+
+    var __active_mbt = null;
+    function select_max_buffer_time(mbt_id, max_buffer_time) {
+        srs_player.set_mbt(max_buffer_time);
+
+        if (__active_mbt) {
+            __active_mbt.removeClass("active");
+        }
+
+        __active_mbt = $(mbt_id).parent();
+        __active_mbt.addClass("active");
+    }
+
+
+    //格式化json显示
+    function syntaxHighlight(json) {
+        if (typeof json != 'string') {
+        json = JSON.stringify(json, undefined, 2);
+        }
+        json = json.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
+        return json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function(match) {
+        var cls = 'number';
+        if (/^"/.test(match)) {
+            if (/:$/.test(match)) {
+                cls = 'key';
+            } else {
+            cls = 'string';
+            }
+        } else if (/true|false/.test(match)) {
+            cls = 'boolean';
+        } else if (/null/.test(match)) {
+            cls = 'null';
+        }
+        return '<span class="' + cls + '">' + match + '</span>';
+        });
+    }  
+
+    function http_get(url){
+        var retdata = null;
+        console.log("GET", url);
+        $.ajax({
+            type       : "GET",
+            async      : false,
+            url        : url,
+            contentType: "text/html",
+            data       : "",
+            complete   : function() {
+            },
+            error      : function(ret) {
+                alert("GET 请求失败:" + url);
+            },
+            success    : function(ret) {
+                console.log(ret);
+                //var jdata =  JSON.parse(ret);       
+                retdata = ret;//.data;
+            }
+        });
+        return retdata;
+    }
+
+     function refreshSipSessionList(sessionList){
+        $("#sipSessionList").empty();
+        for (idx in sessionList.sessions)
+        {
+            //href="javascript:void(0)" onclick="fn(this)">
+            var session =  sessionList.sessions[idx];
+            var id = "id:" +session.id;
+            var li = "<li><a id='linkChannelId1' href='javascript:void(0)' onclick='sipSessionOnClick(this)'>" +id + "</a></li>";
+            $("#sipSessionList").append(li); 
+            var devices = session.devices;
+            for (idx2 in devices)
+            {
+                //href="javascript:void(0)" onclick="fn(this)">
+                var id = "-->" + devices[idx2].device_id + ":" + devices[idx2].device_status + ":" + devices[idx2].invite_status;
+                var li = "<li><a id='linkChannelId1' href='javascript:void(0)' onclick='sipSessionOnClick(this)' rel='"+ session.id + "'>" +id + "</a></li>";
+                $("#sipSessionList").append(li); 
+            }
+        }
+        //if (sessionList == undefined)
+        //        $("#lab_chlist").text("(0)");
+        //else
+        //       $("#lab_chlist").text("("+sessionList.length+")");
+    }
+
+    function sipSessionOnClick(chidObj){
+        id =  chidObj.rel + chidObj.text;
+        if (id.indexOf("id:") != -1) {
+            var aa = id.split(":")
+            sessionid = aa[1];
+            url = $("#txt_api_url").val();
+            var apiurl = url + "/api/v1/gb28181?action=sip_query_session&id=" + sessionid
+            var ret = http_get(apiurl);
+            $('#sipSessionMessage').html(syntaxHighlight(ret)); 
+
+            if (ret.code == 0 && ret.data != undefined ) {
+            };
+        }
+     
+        $("#sipSessionId").text(id);
+    } 
+
+    function channelOnClick(chidObj){
+        id = chidObj.text;
+        $("#gb28181ChannelId").text(id);
+
+        url = $("#txt_api_url").val();
+        var apiurl = url + "/api/v1/gb28181?action=query_channel&id=" + id
+        var ret = http_get(apiurl);
+        $('#gb28181ChannelMessage').html(syntaxHighlight(ret)); 
+
+        if (ret.code == 0 && ret.data != undefined ) {
+            $("#txt_rtmp_url").val(ret.data.channels[0].rtmp_url);
+
+            ret.data.channels[0].rtmp_url.split("//") 
+            
+            var urlObject = parse_rtmp_url(ret.data.channels[0].rtmp_url);
+            var werbrtc_url = "webrtc://"+ urlObject.server + "/" + urlObject.app + "/" + urlObject.stream;
+            $("#txt_rtc_url").val(werbrtc_url);
+        }
+    } 
+
+    function refreshGb28181ChList(gb28181ChList){
+        $("#gb28181ChList").empty();
+        for (idx in gb28181ChList.channels)
+        {
+            //href="javascript:void(0)" onclick="fn(this)">
+            var channel =  gb28181ChList.channels[idx];
+            var id = channel.id;
+            var li = "<li><a id='linkChannelId' href='javascript:void(0)' onclick='channelOnClick(this)'>" +id + "</a></li>";
+            $("#gb28181ChList").append(li); 
+          
+        }
+        //if (sessionList == undefined)
+        //        $("#lab_chlist").text("(0)");
+        //else
+        //       $("#lab_chlist").text("("+sessionList.length+")");
+    }
+
+   
+
+
+    /****
+    * The parameters for this page:
+    *       schema, the protocol schema, rtmp or http.
+    *       server, the ip of the url.
+    *       port, the rtmp port of url.
+    *       vhost, the vhost of url, can equals to server.
+    *       app, the app of url.
+    *       stream, the stream of url, can endwith .flv or .mp4 or nothing for RTMP.
+    *       autostart, whether auto play the stream.
+    *       buffer, the buffer time in seconds.
+    * extra params:
+    *       shp_identify, hls+ param.
+    * for example:
+    *       http://localhost:8088/players/srs_player.html?vhost=ossrs.net&app=live&stream=livestream&server=ossrs.net&port=1935&autostart=true&schema=rtmp
+    *       http://localhost:8088/players/srs_player.html?vhost=ossrs.net&app=live&stream=livestream.flv&server=ossrs.net&port=8080&autostart=true&schema=http
+    */
+    var autoLoadPage = function() {
+        var query = parse_query_string();
+           
+        // get the vhost and port to set the default url.
+        // for example: http://192.168.1.213/players/jwplayer6.html?port=1935&vhost=demo
+        // url set to: rtmp://demo:1935/live/livestream
+        srs_init_rtmp("#txt_url", "#main_modal");
+        srs_init_rtmp("#txt_url", "#rtc_player_modal");
+
+        // consts for buffer and max buffer.
+        var bts =  [0.1, 0.2, 0.3, 0.5, 0.8, 1, 2, 3, 4, 5, 6, 8, 10, 15, 20, 30];
+        var mbts = [0.6, 0.9, 1.2, 1.5, 2.4, 3, 6, 9, 12, 15, 18, 24, 30, 45, 60, 90];
+
+        // the play startup time.
+        var pst = new Date();
+
+        var pc = null; // Global handler to do cleanup when replaying.
+
+        $("#main_modal").on("show", function(){
+            if (srs_player) {
+                return;
+            }
+
+            $("#div_container").remove();
+            $("#debug_info").text("");
+
+            var div_container = $("<div/>");
+            $(div_container).attr("id", "div_container");
+            $("#player").append(div_container);
+
+            var player = $("<div/>");
+            $(player).attr("id", "player_id");
+            $(div_container).append(player);
+
+            srs_player = new SrsPlayer("player_id", srs_get_player_width(), srs_get_player_height());
+            srs_player.on_player_ready = function() {
+                var buffer_time = 0.5;
+                if (url.indexOf('.m3u8') > 0) {
+                    buffer_time = 2;
+                }
+
+                if (query.buffer) {
+                    for (var i = 0; i < bts.length - 1; i++) {
+                        var cur = bts[i];
+                        var next = bts[i+1];
+                        if (Number(query.buffer) >= cur && Number(query.buffer) < next) {
+                            buffer_time = cur;
+                            break;
+                        }
+                    }
+                }
+
+                select_buffer(buffer_time);
+                this.play(url);
+
+                pst = new Date();
+            };
+            srs_player.on_player_status = function(code, desc) {
+                //console.log("[播放器状态] code=" + code + ", desc=" + desc);
+            };
+            srs_player.on_player_metadata = function(metadata) {
+                $("#btn_dar_original").text("视频原始比例" + "(" + metadata.width + ":" + metadata.height + ")");
+                if (metadata.ip && metadata.pid && metadata.cid) {
+                    $("#debug_info").text("ID:" + metadata.ip + '/' + metadata.pid + '/' + metadata.cid + '');
+                }
+                select_dar("#btn_dar_original", 0, 0);
+                select_fs_size("#btn_fs_size_screen_100", "screen", 100);
+            };
+            srs_player.on_player_timer = function(time, buffer_length, kbps, fps, rtime) {
+                if (time > 0 && pst) {
+                    var diff = (new Date().getTime() - pst.getTime()) / 1000.0;
+                    $("#txt_pst").val(Number(diff).toFixed(2) + "秒");
+                    pst = null;
+                }
+
+                var buffer = buffer_length / this.max_buffer_time * 100;
+                $("#pb_buffer").width(Number(buffer).toFixed(1) + "%");
+
+                $("#pb_buffer_bg").attr("title",
+                    "缓冲区:" + buffer_length.toFixed(1) + "秒, 最大缓冲区:"
+                    + this.max_buffer_time.toFixed(1) + "秒, 当前:"
+                    + buffer.toFixed(1) + "%");
+
+                var bts = this.buffer_time >= 1? this.buffer_time.toFixed(0) : this.buffer_time.toFixed(1);
+                var mbts = this.buffer_time >= 1? this.max_buffer_time.toFixed(0) : this.max_buffer_time.toFixed(1);
+                $("#txt_buffer").val(buffer_length.toFixed(1) + "/" + bts + "/" + mbts + "s");
+
+                $("#txt_bitrate").val(kbps.toFixed(0) + "kbps");
+                $("#txt_fps").val(fps.toFixed(1) + "fps");
+                $("#txt_empty_count").val(srs_player.empty_count() + "次");
+                $("#txt_fluency").val(srs_player.fluency().toFixed(2) + "%");
+
+                var time_str = "";
+                // day
+                time_str = padding(parseInt(time / 24 / 3600), 2, '0') + " ";
+                // hour
+                time = time % (24 * 3600);
+                time_str += padding(parseInt(time / 3600), 2, '0') + ":";
+                // minute
+                time = time % (3600);
+                time_str += padding(parseInt(time / 60), 2, '0') + ":";
+                // seconds
+                time = time % (60);
+                time_str += padding(parseInt(time), 2, '0');
+                // show
+                $("#txt_time").val(time_str);
+
+                var clock = new Date().getTime() / 1000;
+                $("#player_clock").val(absolute_seconds_to_YYYYmmdd(clock) + " " + absolute_seconds_to_HHMMSS(clock));
+            };
+            srs_player.start();
+        });
+
+        $("#main_modal").on("hide", function(){
+            if (srs_player) {
+                // report the log to backend.
+                //console.log(srs_player.dump_log());
+
+                srs_player.stop();
+                srs_player = null;
+            }
+        });
+
+        var apply_url_change = function() {
+            var rtmp = parse_rtmp_url($("#txt_url").val());
+            var url = "http://" + query.host + query.pathname + "?"
+                + "app=" + rtmp.app + "&stream=" + rtmp.stream
+                + "&server=" + rtmp.server + "&port=" + rtmp.port
+                + "&autostart=true";
+            if (query.shp_identify) {
+                url += "&shp_identify=" + query.shp_identify;
+            }
+            if (rtmp.vhost == "__defaultVhost__") {
+                url += "&vhost=" + rtmp.server;
+            } else {
+                url += "&vhost=" + rtmp.vhost;
+            }
+            if (rtmp.schema == "http") {
+                url += "&schema=http";
+            }
+            if (query.buffer) {
+                url += "&buffer=" + query.buffer;
+            }
+            if (query.api_port) {
+                url += "&api_port=" + query.api_port;
+            }
+
+            var queries = user_extra_params(query);
+            if (queries && queries.length) {
+                url += '&' + queries.join('&');
+            }
+            $("#player_url").text($("#txt_url").val()).attr("href", url);
+
+            $("#link_server").text(rtmp.server);
+            $("#link_port").text(rtmp.port);
+            $("#link_vhost").text(rtmp.vhost);
+            $("#link_app").text(rtmp.app);
+            $("#link_stream").text(rtmp.stream);
+            $("#link_rtmp").text($("#txt_url").val());
+            $("#link_url").attr("href", url);
+        };
+
+        $("#txt_url").change(function(){
+            apply_url_change();
+        });
+
+        $("#btn_generate_link").click(function(){
+            $("#link_modal").modal({show:true, keyboard:true});
+        });
+
+        $("#btn_play").click(function(){
+            url = $("#txt_rtmp_url").val();
+            $("#main_modal").modal({show:true, keyboard:true});
+        });
+
+        $("#btn_fullscreen").click(function(){
+            $("#fullscreen_tips").toggle();
+        });
+
+        $("#btn_pause").click(function() {
+            $("#btn_resume").toggle();
+            $("#btn_pause").toggle();
+            srs_player.pause();
+        });
+        $("#btn_resume").click(function(){
+            $("#btn_resume").toggle();
+            $("#btn_pause").toggle();
+            srs_player.resume();
+        });
+
+        if (true) {
+            $("#srs_publish").click(function () {
+                url = $("#srs_publish").text();
+                $("#main_modal").modal({show: true, keyboard: false});
+            });
+            $("#srs_publish_ld").click(function () {
+                url = $("#srs_publish_ld").text();
+                $("#main_modal").modal({show: true, keyboard: false});
+            });
+            $("#srs_publish_sd").click(function () {
+                url = $("#srs_publish_sd").text();
+                $("#main_modal").modal({show: true, keyboard: false});
+            });
+            $("#srs_publish_fw").click(function () {
+                url = $("#srs_publish_fw").text();
+                $("#main_modal").modal({show: true, keyboard: false});
+            });
+            $("#srs_publish_fw_ld").click(function () {
+                url = $("#srs_publish_fw_ld").text();
+                $("#main_modal").modal({show: true, keyboard: false});
+            });
+            $("#srs_publish_fw_sd").click(function () {
+                url = $("#srs_publish_fw_sd").text();
+                $("#main_modal").modal({show: true, keyboard: false});
+            });
+        }
+
+        var jwplayer_url = "http://" + query.host + query.dir + "/jwplayer6.html?vhost=demo.srs.com&app=live&hls_autostart=true";
+        if (true) {
+            $("#srs_publish_hls").attr("href", jwplayer_url + "&stream=livestream");
+            $("#srs_publish_ld_hls").attr("href", jwplayer_url + "&stream=livestream_ld");
+            $("#srs_publish_sd_hls").attr("href", jwplayer_url + "&stream=livestream_sd");
+            var jwplayer_url = "http://" + query.host + query.dir + "/jwplayer6.html?vhost=demo.srs.com&app=forward/live&hls_autostart=true";
+            $("#srs_publish_fw_hls").attr("href", jwplayer_url + "&stream=livestream");
+            $("#srs_publish_fw_ld_hls").attr("href", jwplayer_url + "&stream=livestream_ld");
+            $("#srs_publish_fw_sd_hls").attr("href", jwplayer_url + "&stream=livestream_sd");
+        }
+
+        if (true) {
+            $("#btn_dar_original").click(function(){
+                select_dar("#btn_dar_original", 0, 0);
+            });
+            $("#btn_dar_21_9").click(function(){
+                select_dar("#btn_dar_21_9", 21, 9);
+            });
+            $("#btn_dar_16_9").click(function(){
+                select_dar("#btn_dar_16_9", 16, 9);
+            });
+            $("#btn_dar_4_3").click(function(){
+                select_dar("#btn_dar_4_3", 4, 3);
+            });
+            $("#btn_dar_fill").click(function(){
+                select_dar("#btn_dar_fill", -1, -1);
+            });
+        }
+
+        if (true) {
+            $("#btn_fs_size_video_100").click(function(){
+                select_fs_size("#btn_fs_size_video_100", "video", 100);
+            });
+            $("#btn_fs_size_video_75").click(function(){
+                select_fs_size("#btn_fs_size_video_75", "video", 75);
+            });
+            $("#btn_fs_size_video_50").click(function(){
+                select_fs_size("#btn_fs_size_video_50", "video", 50);
+            });
+            $("#btn_fs_size_screen_100").click(function(){
+                select_fs_size("#btn_fs_size_screen_100", "screen", 100);
+            });
+            $("#btn_fs_size_screen_75").click(function(){
+                select_fs_size("#btn_fs_size_screen_75", "screen", 75);
+            });
+            $("#btn_fs_size_screen_50").click(function(){
+                select_fs_size("#btn_fs_size_screen_50", "screen", 50);
+            });
+        }
+
+        if (true) {
+            for (var i = 0; i < bts.length; i++) {
+                var bt = bts[i];
+                var bt_id = "#btn_bt_" + bt.toFixed(1).replace(".", "_");
+
+                var bt_fun = function(id, v){
+                    $(bt_id).click(function(){
+                        select_buffer_time(id, v);
+
+                        // remember the chagned buffer.
+                        if (Number(query.buffer) != srs_player.buffer_time) {
+                            query.buffer = srs_player.buffer_time;
+                            apply_url_change();
+                        }
+
+                    });
+                };
+                bt_fun(bt_id, bt);
+            }
+        }
+        if (true) {
+            for (var i = 0; i < mbts.length; i++) {
+                var mbt = mbts[i];
+                var mbt_id = "#btn_mbt_" + mbt.toFixed(1).replace(".", "_");
+
+                var mbt_fun = function(id, v){
+                    $(mbt_id).click(function(){
+                        select_max_buffer_time(id, v);
+                    });
+                };
+                mbt_fun(mbt_id, mbt);
+            }
+        }
+
+        if (true){
+            $("#btn_sip_query_session").click(function(){
+                url = $("#txt_api_url").val();
+
+                $("#txt_api_url").val();
+
+                var apiurl = url + "/api/v1/gb28181?action=sip_query_session"
+                var ret = http_get(apiurl);
+                $('#sipSessionMessage').html(syntaxHighlight(ret)); 
+
+                if (ret != undefined && ret.code == 0){
+                    refreshSipSessionList(ret.data);
+                }
+
+            });
+
+            $("#btn_sip_unregister").click(function(){
+                var id = $("#sipSessionId").text();
+                alert(id);
+
+                if (id.indexOf("id:") != -1) {
+                    var str = id.split(":")
+
+                    url = $("#txt_api_url").val();
+                    var apiurl = url + "/api/v1/gb28181?action=sip_unregister&id=" + str[1];
+                    var ret = http_get(apiurl);
+
+                    $('#sipSessionMessage').html(syntaxHighlight(ret)); 
+
+                    $("#btn_sip_query_session").click();
+                }
+            });
+
+            $("#btn_sip_invite").click(function(){
+                var text = $("#sipSessionId").text();
+                if (text.indexOf("-->") != -1) {
+                    var str = text.split("-->");
+                    id = str[0];
+                    var str2 = str[1].split(":")
+                    chid = str2[0];
+
+                    url = $("#txt_api_url").val();
+                    var apiurl = url + "/api/v1/gb28181?action=sip_invite&id=" + id + "&chid="+chid;
+                    var ret = http_get(apiurl);
+                    $('#sipSessionMessage').html(syntaxHighlight(ret)); 
+
+                    $("#btn_sip_query_session").click();
+                }
+            });
+
+            $("#btn_sip_bye").click(function(){
+                var text = $("#sipSessionId").text();
+                if (text.indexOf("-->") != -1) {
+                    var str = text.split("-->");
+                    id = str[0];
+                    var str2 = str[1].split(":")
+                    chid = str2[0];
+
+                    url = $("#txt_api_url").val();
+                    var apiurl = url + "/api/v1/gb28181?action=sip_bye&id=" + id + "&chid="+chid;
+                    var ret = http_get(apiurl);
+                    $('#sipSessionMessage').html(syntaxHighlight(ret)); 
+
+                    $("#btn_sip_query_session").click();
+                }
+            });
+
+            $("#btn_sip_querycatalog").click(function(){
+                var text = $("#sipSessionId").text();
+                if (text.indexOf("-->") != -1) {
+                    var str = text.split("-->");
+                    id = str[0];
+                    var str2 = str[1].split(":")
+                    chid = str2[0];
+
+                    url = $("#txt_api_url").val();
+                    var apiurl = url + "/api/v1/gb28181?action=sip_query_catalog&id=" + id + "&chid="+chid;
+                    var ret = http_get(apiurl);
+                    $('#sipSessionMessage').html(syntaxHighlight(ret)); 
+
+                    $("#btn_sip_query_session").click();
+                }
+            });
+
+            $("#btn_query_channel").click(function(){
+                url = $("#txt_api_url").val();
+                var apiurl = url + "/api/v1/gb28181?action=query_channel"
+                var ret = http_get(apiurl);
+                $('#gb28181ChannelMessage').html(syntaxHighlight(ret)); 
+
+                if (ret != undefined && ret.code == 0){
+                    refreshGb28181ChList(ret.data);
+                }
+            });
+
+            $("#btn_delete_channel").click(function(){
+                var id = $("#gb28181ChannelId").text();
+                url = $("#txt_api_url").val();
+                var apiurl = url + "/api/v1/gb28181?action=delete_channel&id=" + id;
+                var ret = http_get(apiurl);
+                $('#gb28181ChannelMessage').html(syntaxHighlight(ret)); 
+                if (ret != undefined && ret.code == 0){
+                    $("#btn_query_channel").click();
+                }
+            });
+
+            $("#btn_create_channel").click(function(){
+                $("#create_channel_modal").modal({show: true, keyboard: false});
+            });
+
+            $("#btn_channel_cancel").click(function(){
+                $("#create_channel_modal").modal('hide');
+            });
+
+            $("#btn_channel_submit").click(function(){
+                var chid = $("#txt_channel_id").val();
+                var app = $("#txt_app").val();
+                var stream = $("#txt_stream").val();
+                var port_mode = $("#sel_ch_mode_type").val();
+
+                if (chid == ""){
+                    alert("通道id不能为空")
+                    return
+                }
+
+                url = $("#txt_api_url").val();
+                var apiurl = url + "/api/v1/gb28181?action=create_channel&id=" + chid + "&app=" + app + "&stream=" + stream + "&port_mode="+ port_mode
+                var ret = http_get(apiurl);
+                $('#gb28181ChannelMessage').html(syntaxHighlight(ret)); 
+                if (ret != undefined && ret.code == 0){
+                    $("#btn_query_channel").click();
+                }
+
+                $("#create_channel_modal").modal('hide');
+            });
+            
+            $("#btn_rtc_play").click(function(){
+                $('#rtc_media_player').width(srs_get_player_width);
+                $('#rtc_media_player').height(srs_get_player_height);
+                $("#rtc_player_modal").modal({show: true, keyboard: false});
+
+                startPlay($("#txt_rtc_url").val());
+            });
+
+            var startPlay = function(url) {
+            $('#rtc_media_player').show();
+            var urlObject = parse_rtmp_url(url);
+            var schema = window.location.protocol;
+
+            // Close PC when user replay.
+            if (pc) {
+                pc.close();
+            }
+
+         
+
+            pc = new RTCPeerConnection(null);
+            pc.onaddstream = function (event) {
+                console.debug(event.stream);
+                $('#rtc_media_player').prop('srcObject', event.stream);
+            };
+            new Promise(function(resolve, reject) {
+                pc.addTransceiver("audio", {direction: "recvonly"});
+                pc.addTransceiver("video", {direction: "recvonly"});
+
+                pc.createOffer(function(offer){
+                    resolve(offer);
+                },function(reason){
+                    reject(reason);
+                });
+            }).then(function(offer) {
+                return pc.setLocalDescription(offer).then(function(){ return offer; });
+            }).then(function(offer) {
+                return new Promise(function(resolve, reject) {
+                    var port = urlObject.port || 1985;
+
+                    // @see https://github.com/rtcdn/rtcdn-draft
+                    var api = urlObject.user_query.play || '/rtc/v1/play/';
+                    if (api.lastIndexOf('/') != api.length - 1) {
+                        api += '/';
+                    }
+
+                    var url = schema + '//' + urlObject.server + ':' + port + api;
+                    for (var key in urlObject.user_query) {
+                        if (key != 'api' && key != 'play') {
+                            url += '&' + key + '=' + urlObject.user_query[key];
+                        }
+                    }
+                    // Replace /rtc/v1/play/&k=v to /rtc/v1/play/?k=v
+                    url = url.replace(api + '&', api + '?');
+
+                    // @see https://github.com/rtcdn/rtcdn-draft
+                    var data = {
+                        api: url, streamurl: urlObject.url, clientip: null, sdp: offer.sdp
+                    };
+                    console.log("offer: " + JSON.stringify(data));
+
+                    $.ajax({
+                        type: "POST", url: url, data: JSON.stringify(data),
+                        contentType:'application/json', dataType: 'json'
+                    }).done(function(data) {
+                        console.log("answer: " + JSON.stringify(data));
+                        resolve(data.sdp);
+                    }).fail(function(reason){
+                        reject(reason);
+                    });
+                });
+            }).then(function(answer) {
+                return pc.setRemoteDescription(new RTCSessionDescription({type: 'answer', sdp: answer}));
+            }).catch(function(reason) {
+                throw reason;
+            });
+        };
+
+  
+            
+        }
+
+
+
+        apply_url_change();
+    };
+</script>
+</html>
diff --git a/trunk/research/players/srs_player.html b/trunk/research/players/srs_player.html
index eb50aacc9..2f5a2c4b8 100755
--- a/trunk/research/players/srs_player.html
+++ b/trunk/research/players/srs_player.html
@@ -40,6 +40,7 @@
                     <!--<li><a id="nav_jwplayer6" href="jwplayer6.html">JWPlayer6播放器</a></li>-->
                     <!--<li><a id="nav_osmf" href="osmf.html">AdobeOSMF播放器</a></li>-->
                     <li><a id="nav_vlc" href="vlc.html">VLC播放器</a></li>
+                    <li><a id="nav_gb28181" href="srs_gb28181.html">SRS-GB28181</a></li>
                 </ul>
             </div>
         </div>
diff --git a/trunk/research/players/srs_publisher.html b/trunk/research/players/srs_publisher.html
index a649b51bd..e07467b17 100644
--- a/trunk/research/players/srs_publisher.html
+++ b/trunk/research/players/srs_publisher.html
@@ -29,6 +29,7 @@
                     <!--<li><a id="nav_jwplayer6" href="jwplayer6.html">JWPlayer6播放器</a></li>-->
                     <!--<li><a id="nav_osmf" href="osmf.html">AdobeOSMF播放器</a></li>-->
                     <li><a id="nav_vlc" href="vlc.html">VLC播放器</a></li>
+                    <li><a id="nav_gb28181" href="srs_gb28181.html">SRS-GB28181</a></li>
                 </ul>
             </div>
         </div>
diff --git a/trunk/research/players/srs_publisher2.html b/trunk/research/players/srs_publisher2.html
index 04836a2af..bf75f3983 100644
--- a/trunk/research/players/srs_publisher2.html
+++ b/trunk/research/players/srs_publisher2.html
@@ -25,6 +25,7 @@
                     <!--<li><a id="nav_jwplayer6" href="jwplayer6.html">JWPlayer6播放器</a></li>-->
                     <!--<li><a id="nav_osmf" href="osmf.html">AdobeOSMF播放器</a></li>-->
                     <li><a id="nav_vlc" href="vlc.html">VLC播放器</a></li>
+                    <li><a id="nav_gb28181" href="srs_gb28181.html">SRS-GB28181</a></li>
                 </ul>
             </div>
         </div>
diff --git a/trunk/research/players/vlc.html b/trunk/research/players/vlc.html
index 66591f4be..8dbf5e47c 100644
--- a/trunk/research/players/vlc.html
+++ b/trunk/research/players/vlc.html
@@ -26,6 +26,7 @@
                     <!--<li><a id="nav_jwplayer6" href="jwplayer6.html">JWPlayer6播放器</a></li>-->
                     <!--<li><a id="nav_osmf" href="osmf.html">AdobeOSMF播放器</a></li>-->
                     <li class="active"><a id="nav_vlc" href="vlc.html">VLC播放器</a></li>
+                    <li><a id="nav_gb28181" href="srs_gb28181.html">SRS-GB28181</a></li>
                 </ul>
             </div>
         </div>
