Don't start waiting for a segment which doesn't exist if transcoding is not running

This commit is contained in:
Vasily 2019-10-08 17:00:16 +03:00
parent 7aea9266d0
commit 3740228100

View File

@ -482,38 +482,46 @@ namespace MediaBrowser.Api.Playback.Hls
}
var nextSegmentPath = GetSegmentPath(state, playlistPath, segmentIndex + 1);
while (!cancellationToken.IsCancellationRequested && transcodingJob != null && !transcodingJob.HasExited)
if (transcodingJob != null)
{
// To be considered ready, the segment file has to exist AND
// either the transcoding job should be done or next segment should also exist
if (segmentExists)
while (!cancellationToken.IsCancellationRequested && !transcodingJob.HasExited)
{
if (transcodingJob.HasExited || File.Exists(nextSegmentPath))
// To be considered ready, the segment file has to exist AND
// either the transcoding job should be done or next segment should also exist
if (segmentExists)
{
Logger.LogDebug("serving up {0} as it deemed ready", segmentPath);
return await GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob).ConfigureAwait(false);
if (transcodingJob.HasExited || File.Exists(nextSegmentPath))
{
Logger.LogDebug("serving up {0} as it deemed ready", segmentPath);
return await GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob).ConfigureAwait(false);
}
}
else
{
segmentExists = File.Exists(segmentPath);
if (segmentExists)
{
continue; // avoid unnecessary waiting if segment just became available
}
}
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
cancellationToken.ThrowIfCancellationRequested();
if (!File.Exists(segmentPath))
{
Logger.LogWarning("cannot serve {0} as transcoding quit before we got there", segmentPath);
}
else
{
segmentExists = File.Exists(segmentPath);
if (segmentExists)
{
continue; // avoid unnecessary waiting if segment just became available
}
Logger.LogDebug("serving {0} as it's on disk and transcoding stopped", segmentPath);
}
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
cancellationToken.ThrowIfCancellationRequested();
if (!File.Exists(segmentPath))
{
Logger.LogWarning("cannot serve {0} as transcoding quit before we got there", segmentPath);
}
else
{
Logger.LogDebug("serving {0} as it's on disk and transcoding stopped", segmentPath);
Logger.LogWarning("cannot serve {0} as it doesn't exist and no transcode is running", segmentPath);
}
return await GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob).ConfigureAwait(false);
}