public WebStringResult StartStreamWithStreamSelection(string identifier, string profileName, long startPosition, int audioId, int subtitleId)
{
StreamLog.Debug(identifier, "Called StartStreamWithStreamSelection with profile={0}; start={1}; audioId={2}; subtitleId={3}",
profileName, startPosition, audioId, subtitleId);
_stream.EndStream(identifier); // first end previous stream, if any available
return(_stream.StartStream(identifier, Configuration.StreamingProfiles.GetTranscoderProfileByName(profileName), startPosition * 1000, audioId, subtitleId));
}
public WebBoolResult InitStream(WebMediaType type, int?provider, string itemId, int?offset, string clientDescription, string identifier, int?idleTimeout)
{
AuthorizeStreaming();
if (type == WebMediaType.TV)
{
int channelId = Int32.Parse(itemId);
lock (_timeshiftings)
{
StreamLog.Info(identifier, "Starting timeshifting on channel {0} for client {1}", channelId, clientDescription);
var card = Connections.TAS.SwitchTVServerToChannelAndGetVirtualCard("mpextended-" + identifier, channelId);
if (card == null)
{
StreamLog.Error(identifier, "Failed to start timeshifting for stream");
return(false);
}
else
{
StreamLog.Debug(identifier, "Timeshifting started!");
_timeshiftings[identifier] = card;
itemId = card.TimeShiftFileName;
}
}
}
StreamLog.Info(identifier, "Called InitStream with type={0}; provider={1}; itemId={2}; offset={3}; clientDescription={4}; idleTimeout={5}",
type, provider, itemId, offset, clientDescription, idleTimeout);
return(_stream.InitStream(identifier, clientDescription, new MediaSource(type, provider, itemId, offset), idleTimeout.HasValue ? idleTimeout.Value : 5 * 60));
}
public Stream DoStream(WebMediaType type, int?provider, string itemId, string clientDescription, string profileName, long startPosition, int?idleTimeout)
{
if (!IsClientAuthorized())
{
Log.Warn("Host {0} isn't authorized to call DoStream", WCFUtil.GetClientIPAddress());
WCFUtil.SetResponseCode(HttpStatusCode.Unauthorized);
return(Stream.Null);
}
// calculate timeout, which is by default 5 minutes for direct streaming and 5 seconds for transcoded streams
var profile = Configuration.StreamingProfiles.Transcoders.FirstOrDefault(x => x.Name == profileName);
if (profile == null)
{
Log.Warn("Called DoStream with non-existing profile {0}", profileName);
return(Stream.Null);
}
int timeout = profile.Transcoder == typeof(Transcoders.Direct).FullName ? 5 * 60 : 5;
if (idleTimeout.HasValue)
{
timeout = idleTimeout.Value;
}
// This only works with profiles that actually return something in the RetrieveStream method (i.e. no RTSP or CustomTranscoderData)
string identifier = String.Format("dostream-{0}", new Random().Next(10000, 99999));
StreamLog.Debug(identifier, "DoStream: using timeout={0}", timeout);
if (!InitStream(type, provider, itemId, null, clientDescription, identifier, timeout))
{
StreamLog.Info(identifier, "DoStream: InitStream() failed");
FinishStream(identifier);
return(Stream.Null);
}
if (String.IsNullOrEmpty(StartStream(identifier, profileName, startPosition)))
{
StreamLog.Info(identifier, "DoStream: StartStream failed");
FinishStream(identifier);
return(Stream.Null);
}
StreamLog.Info(identifier, "DoStream: succeeded, returning stream");
return(RetrieveStream(identifier));
}
public WebBoolResult FinishStream(string identifier)
{
StreamLog.Debug(identifier, "Called FinishStream");
_stream.KillStream(identifier);
lock (_timeshiftings)
{
if (_timeshiftings.ContainsKey(identifier) && _timeshiftings[identifier] != null)
{
StreamLog.Info(identifier, "Cancelling timeshifting");
Connections.TAS.CancelCurrentTimeShifting("mpextended-" + identifier);
_timeshiftings.Remove(identifier);
}
}
return(true);
}
public bool Stop()
{
StreamLog.Debug(context.Identifier, "VLCManagedEncoder: Stopping transcoding");
try
{
DataOutputStream.Close();
}
catch (Exception e)
{
StreamLog.Info(context.Identifier, "VLCManagedEncoder: Failed to close data output stream", e);
}
inputTimer.Enabled = false;
StreamLog.Trace(context.Identifier, "VLCManagedEncoder: Trying to stop vlc");
transcoder.StopTranscoding();
transcoder = null;
StreamLog.Debug(context.Identifier, "VLCManagedEncoder: Stopped transcoding");
return(true);
}
public bool Setup()
{
// setup output named pipe
DataOutputStream = new NamedPipe();
string output = ((NamedPipe)DataOutputStream).Url;
StreamLog.Info(context.Identifier, "VLCManagedEncoder: starting output named pipe {0}", output);
((NamedPipe)DataOutputStream).Start(false);
// prepare sout, needs some trickery for vlc
string realSout = sout.Replace("#OUT#", @"\" + output);
// debug
StreamLog.Debug(context.Identifier, "VLCManagedEncoder: sout {0}", realSout);
StreamLog.Debug(context.Identifier, "VLCManagedEncoder: arguments {0}", String.Join("|", arguments));
// start vlc
transcoder = new VLCTranscoder();
transcoder.SetArguments(arguments);
transcoder.SetMediaName(Guid.NewGuid().ToString());
transcoder.SetSout(realSout);
// setup input
if (inputMethod == InputMethod.NamedPipe)
{
transcoderInputStream = new NamedPipe();
StreamLog.Info(context.Identifier, "VLCManagedEncoder: starting input named pipe {0}", transcoderInputStream);
((NamedPipe)transcoderInputStream).Start(false);
inputPath = "stream://" + transcoderInputStream.Url; // use special syntax for VLC to pick up named pipe
}
StreamLog.Debug(context.Identifier, "VLCManagedEncoder: input {0}", inputPath);
transcoder.SetInput(inputPath);
// start transcoding
transcoder.StartTranscoding();
// doesn't work
//transcoder.Seek(startPos * 1.0 / context.MediaInfo.Duration * 1000);
context.TranscodingInfo.Supported = true;
return(true);
}
public bool Stop()
{
// close streams
CloseStream(InputStream, "input");
CloseStream(transcoderInputStream, "transcoder input");
CloseStream(DataOutputStream, "transcoder output");
try
{
if (transcoderApplication != null && !transcoderApplication.HasExited)
{
StreamLog.Debug(context.Identifier, "Encoding: Killing transcoder");
transcoderApplication.Stop();
}
}
catch (Exception e)
{
StreamLog.Error(context.Identifier, "Encoding: Failed to kill transcoder", e);
}
return(true);
}
public WebBoolResult StopStream(string identifier)
{
StreamLog.Debug(identifier, "Called StopStream");
_stream.EndStream(identifier);
return(true);
}
public WebStringResult StartStream(string identifier, string profileName, long startPosition)
{
StreamLog.Debug(identifier, "Called StartStream with profile={0}; start={1}", profileName, startPosition);
_stream.EndStream(identifier); // first end previous stream, if any available
return(_stream.StartStream(identifier, Configuration.StreamingProfiles.GetTranscoderProfileByName(profileName), startPosition * 1000));
}
