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improve stopping of progressive streams

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This commit is contained in:
Luke Pulverenti 2016-08-06 10:08:38 -04:00
parent 7d5a4c078d
commit 24003580e7
3 changed files with 45 additions and 21 deletions
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2
MediaBrowser.Api/ApiEntryPoint.cs
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@ -349,7 +349,7 @@ namespace MediaBrowser.Api
return;
}
var timerDuration = 1000;
var timerDuration = 10000;
if (job.Type != TranscodingJobType.Progressive)
{

20
MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs
View file

@ -142,7 +142,8 @@ namespace MediaBrowser.Api.Playback.Progressive
var outputPath = state.OutputFilePath;
var outputPathExists = FileSystem.FileExists(outputPath);
var isTranscodeCached = outputPathExists && !ApiEntryPoint.Instance.HasActiveTranscodingJob(outputPath, TranscodingJobType.Progressive);
var transcodingJob = ApiEntryPoint.Instance.GetTranscodingJob(outputPath, TranscodingJobType.Progressive);
var isTranscodeCached = outputPathExists && transcodingJob != null;
AddDlnaHeaders(state, responseHeaders, request.Static || isTranscodeCached);
@ -159,6 +160,7 @@ namespace MediaBrowser.Api.Playback.Progressive
ContentType = contentType,
IsHeadRequest = isHeadRequest,
Path = state.MediaPath
}).ConfigureAwait(false);
}
}
@ -170,13 +172,25 @@ namespace MediaBrowser.Api.Playback.Progressive
try
{
if (transcodingJob != null)
{
ApiEntryPoint.Instance.OnTranscodeBeginRequest(transcodingJob);
}
return await ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions
{
ResponseHeaders = responseHeaders,
ContentType = contentType,
IsHeadRequest = isHeadRequest,
Path = outputPath,
FileShare = FileShare.ReadWrite
FileShare = FileShare.ReadWrite,
OnComplete = () =>
{
if (transcodingJob != null)
{
ApiEntryPoint.Instance.OnTranscodeEndRequest(transcodingJob);
}
}
}).ConfigureAwait(false);
}
@ -348,7 +362,7 @@ namespace MediaBrowser.Api.Playback.Progressive
outputHeaders[item.Key] = item.Value;
}
Func<Stream,Task> streamWriter = stream => new ProgressiveFileCopier(FileSystem, job, Logger).StreamFile(outputPath, stream, CancellationToken.None);
Func<Stream, Task> streamWriter = stream => new ProgressiveFileCopier(FileSystem, job, Logger).StreamFile(outputPath, stream, CancellationToken.None);
return ResultFactory.GetAsyncStreamWriter(streamWriter, outputHeaders);
}

44
MediaBrowser.Api/Playback/Progressive/ProgressiveStreamWriter.cs
View file

@ -27,31 +27,41 @@ namespace MediaBrowser.Api.Playback.Progressive
public async Task StreamFile(string path, Stream outputStream, CancellationToken cancellationToken)
{
var eofCount = 0;
using (var fs = _fileSystem.GetFileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
try
{
while (eofCount < 15)
var eofCount = 0;
using (var fs = _fileSystem.GetFileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
{
var bytesRead = await CopyToAsyncInternal(fs, outputStream, BufferSize, cancellationToken).ConfigureAwait(false);
//var position = fs.Position;
//_logger.Debug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
while (eofCount < 15)
{
if (_job == null || _job.HasExited)
var bytesRead = await CopyToAsyncInternal(fs, outputStream, BufferSize, cancellationToken).ConfigureAwait(false);
//var position = fs.Position;
//_logger.Debug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
{
eofCount++;
if (_job == null || _job.HasExited)
{
eofCount++;
}
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
}
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
}
}
}
finally
{
if (_job != null)
{
ApiEntryPoint.Instance.OnTranscodeEndRequest(_job);
}
}
}
private async Task<int> CopyToAsyncInternal(Stream source, Stream destination, Int32 bufferSize, CancellationToken cancellationToken)