public CCTV2VideoSource(CCTVServerInfo curServer, CCTVServerInfo preferServer, string videoId, string url)
{
Url = url;
VideoId = videoId;
initDecoder();
//生成StreamPipe
createStreamPipe(curServer, preferServer, url);
}
private void classifyInfo(VideoParser.Node node, string serverId)
{
//在线标识。
var nodeId = getNodeId(node.Id);
_onlineStatus[nodeId] = new CCTVOnlineStatus()
{
VideoId = nodeId, Online = node.Online
};
VideoParser.Server server = node as VideoParser.Server;
if (server != null)
{
CCTVServerInfo si = new CCTVServerInfo()
{
ServerId = getNodeId(node.Id),
Name = node.Name,
InfoServiceIp = node.Host,
InfoServicePort = 27010,
StreamServerIp = node.Host,
StreamServerPort = 37010,
ControlServerIp = node.Host,
ControlServerPort = 47010
};
_servers[si.ServerId] = si;
if (server.Childs != null)
{
foreach (VideoParser.Node child in server.Childs)
{
classifyInfo(child, si.ServerId);
}
}
}
else
{
VideoParser.Front front = node as VideoParser.Front;
if (front != null)
{
if (front.Childs != null)
{
int channel = 1;
foreach (VideoParser.Video child in front.Childs)
{
classifyInfo(front, child, channel, serverId);
if (front.Type == 1 || front.Type == 11)
{
channel += 4;
}
else
{
channel++;
}
}
}
}
}
}
private void createStreamPipe(CCTVServerInfo curServer, CCTVServerInfo preferServer, string url)
{
_streamPipe = new CCTV2StreamPipe(new Uri(url), curServer.StreamServerIp, curServer.StreamServerPort,
preferServer.StreamServerIp, preferServer.StreamServerPort);
_streamPipe.StreamHeaderReceived += streamPipe_StreamHeaderReceived;
_streamPipe.StreamDataReceived += streamPipe_StreamDataReceived;
_streamPipe.ErrorOccurred += streamPipe_ErrorOccurred;
}
private CCTVServerInfo getPreferServer(string videoId)
{
CCTVServerInfo preferServer = _currentServer;
CCTVDeviceInfo di = _clientHub.GetDeviceInfo(videoId);
if (di != null && !string.IsNullOrWhiteSpace(di.PreferredServerId))
{
CCTVServerInfo temp = _clientHub.GetServerInfo(di.PreferredServerId);
if (temp != null && !string.IsNullOrWhiteSpace(temp.StreamServerIp))
{
preferServer = temp;
}
}
return(preferServer);
}
private bool isNameExist(CCTVServerInfo server)
{
var servers = ServerPersistence.Instance.GetAllInfos();
if (servers != null && servers.Count() > 0)
{
foreach (CCTVServerInfo si in servers)
{
if (si.ServerId != server.ServerId && server.Name.Equals(si.Name))
{
return(true);
}
}
}
return(false);
}
// POST: api/Server
public IHttpActionResult Post([FromBody] CCTVServerInfo server)
{
if (server == null)
{
return(BadRequest("提交的节点信息数据是一个空值"));
}
if (string.IsNullOrWhiteSpace(server.ServerId))
{
server.ServerId = Guid.NewGuid().ToString();
}
if (isNameExist(server))
{
return(BadRequest("已存在同名的节点服务器"));
}
ServerPersistence.Instance.Put(server.ServerId, server);
return(Ok("添加节点信息成功"));
}
//Put:api/server/5
public IHttpActionResult Put(string id, [FromBody] CCTVServerInfo server)
{
if (id == null)
{
return(BadRequest("无效的ServerId标识"));
}
if (server == null)
{
return(BadRequest("提交的节点信息数据是一个空值"));
}
server.ServerId = id;
if (isNameExist(server))
{
return(BadRequest("已存在同名的节点服务器"));
}
ServerPersistence.Instance.Put(id, server);
return(Ok("修改节点信息成功"));
}
/// <summary>
/// 获取一个视频流数据源。
/// </summary>
/// <param name="videoId">视频ID,如:CCTV1_50BAD15900010302</param>
/// <param name="url">
/// 视频URL，如:cctv1://192.168.9.222/5817192048884777730?stream=1
/// </param>
/// <returns></returns>
public VideoSource GetVideoSource(string videoId, string url)
{
Uri uri = new Uri(url);
if (uri.Scheme.ToLower() == "cctv1")
{
if (_videoSourceDict.ContainsKey(url))
{
VideoSource vs = _videoSourceDict[url];
if (vs.IsDisposed)
{
vs = new CCTV1VideoSource(_clientHub, getCCTVInfo(), videoId, url);
_videoSourceDict[url] = vs;
}
return(vs);
}
else
{
VideoSource vs = new CCTV1VideoSource(_clientHub, getCCTVInfo(), videoId, url);
_videoSourceDict[url] = vs;
return(vs);
}
}
else
{
CCTVServerInfo preferServer = getPreferServer(videoId);
if (_videoSourceDict.ContainsKey(url))
{
VideoSource vs = _videoSourceDict[url];
if (vs.IsDisposed)
{
vs = new CCTV2VideoSource(_currentServer, preferServer, videoId, url);
_videoSourceDict[url] = vs;
}
return(vs);
}
else
{
VideoSource vs = new CCTV2VideoSource(_currentServer, preferServer, videoId, url);
_videoSourceDict[url] = vs;
return(vs);
}
}
}
private void findCurrentServer()
{
//使用Infoservice的IP和端口来
Uri uri = new Uri(_clientHub.BaseAddress);
string ip = IpCorrector.CorrectIp(uri.Host);
int port = uri.Port;
CCTVServerInfo[] sis = _clientHub.GetAllServerInfo();
foreach (CCTVServerInfo si in sis)
{
if (ip.Equals(si.InfoServiceIp) && port == si.InfoServicePort)
{
_currentServer = new CCTVServerInfo()
{
ServerId = si.ServerId,
Name = si.Name,
InfoServiceIp = si.InfoServiceIp,
InfoServicePort = si.InfoServicePort,
StreamServerIp = si.StreamServerIp,
StreamServerPort = si.StreamServerPort,
ControlServerIp = si.ControlServerIp,
ControlServerPort = si.ControlServerPort
};
break;
}
}
if (_currentServer == null)
{
_currentServer = new CCTVServerInfo()
{
ServerId = Guid.NewGuid().ToString(),
Name = "独立信息服务",
InfoServiceIp = ip,
InfoServicePort = port,
StreamServerIp = ip,
StreamServerPort = 37010,
ControlServerIp = ip,
ControlServerPort = 47010
};
}
}
public void PutServerInfo(CCTVServerInfo info, bool isDeleted)
{
PutDefaultInfo(CCTVInfoType.ServerInfo, info.ServerId, info, isDeleted);
}