starred/jellyfin-jellyfin-1
1
0
Fork 0
mirror of https://github.com/jellyfin/jellyfin.git synced 2025-12-16 14:03:03 +03:00
Code Issues Packages Projects Releases Wiki Activity

AsyncKeyedLock migration

Browse Source
This commit is contained in:
Mark Cilia Vincenti
2024-01-03 16:47:25 +01:00
parent 9fb6742400
commit d1677dc680
8 changed files with 125 additions and 185 deletions
Download Patch File Download Diff File Expand all files Collapse all files

149
Jellyfin.Api/Controllers/DynamicHlsController.cs
View File

@@ -294,9 +294,7 @@ public class DynamicHlsController : BaseJellyfinApiController
if (!System.IO.File.Exists(playlistPath))
{
var transcodingLock = _transcodeManager.GetTranscodingLock(playlistPath);
await transcodingLock.WaitAsync(cancellationToken).ConfigureAwait(false);
try
using (await _transcodeManager.LockAsync(playlistPath, cancellationToken).ConfigureAwait(false))
{
if (!System.IO.File.Exists(playlistPath))
{
@@ -326,10 +324,6 @@ public class DynamicHlsController : BaseJellyfinApiController
}
}
}
finally
{
transcodingLock.Release();
}
}
job ??= _transcodeManager.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
@@ -1442,95 +1436,80 @@ public class DynamicHlsController : BaseJellyfinApiController
return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
}
var transcodingLock = _transcodeManager.GetTranscodingLock(playlistPath);
await transcodingLock.WaitAsync(cancellationToken).ConfigureAwait(false);
var released = false;
var startTranscoding = false;
try
using (await _transcodeManager.LockAsync(playlistPath, cancellationToken).ConfigureAwait(false))
{
var startTranscoding = false;
if (System.IO.File.Exists(segmentPath))
{
job = _transcodeManager.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
transcodingLock.Release();
released = true;
_logger.LogDebug("returning {0} [it exists, try 2]", segmentPath);
return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, segmentId, job, cancellationToken).ConfigureAwait(false);
}
var currentTranscodingIndex = GetCurrentTranscodingIndex(playlistPath, segmentExtension);
var segmentGapRequiringTranscodingChange = 24 / state.SegmentLength;
if (segmentId == -1)
{
_logger.LogDebug("Starting transcoding because fmp4 init file is being requested");
startTranscoding = true;
segmentId = 0;
}
else if (currentTranscodingIndex is null)
{
_logger.LogDebug("Starting transcoding because currentTranscodingIndex=null");
startTranscoding = true;
}
else if (segmentId < currentTranscodingIndex.Value)
{
_logger.LogDebug("Starting transcoding because requestedIndex={0} and currentTranscodingIndex={1}", segmentId, currentTranscodingIndex);
startTranscoding = true;
}
else if (segmentId - currentTranscodingIndex.Value > segmentGapRequiringTranscodingChange)
{
_logger.LogDebug("Starting transcoding because segmentGap is {0} and max allowed gap is {1}. requestedIndex={2}", segmentId - currentTranscodingIndex.Value, segmentGapRequiringTranscodingChange, segmentId);
startTranscoding = true;
}
if (startTranscoding)
{
// If the playlist doesn't already exist, startup ffmpeg
try
{
await _transcodeManager.KillTranscodingJobs(streamingRequest.DeviceId, streamingRequest.PlaySessionId, p => false)
.ConfigureAwait(false);
if (currentTranscodingIndex.HasValue)
{
DeleteLastFile(playlistPath, segmentExtension, 0);
}
streamingRequest.StartTimeTicks = streamingRequest.CurrentRuntimeTicks;
state.WaitForPath = segmentPath;
job = await _transcodeManager.StartFfMpeg(
state,
playlistPath,
GetCommandLineArguments(playlistPath, state, false, segmentId),
Request.HttpContext.User.GetUserId(),
TranscodingJobType,
cancellationTokenSource).ConfigureAwait(false);
}
catch
{
state.Dispose();
throw;
}
// await WaitForMinimumSegmentCount(playlistPath, 1, cancellationTokenSource.Token).ConfigureAwait(false);
}
else
{
var currentTranscodingIndex = GetCurrentTranscodingIndex(playlistPath, segmentExtension);
var segmentGapRequiringTranscodingChange = 24 / state.SegmentLength;
if (segmentId == -1)
job = _transcodeManager.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
if (job?.TranscodingThrottler is not null)
{
_logger.LogDebug("Starting transcoding because fmp4 init file is being requested");
startTranscoding = true;
segmentId = 0;
await job.TranscodingThrottler.UnpauseTranscoding().ConfigureAwait(false);
}
else if (currentTranscodingIndex is null)
{
_logger.LogDebug("Starting transcoding because currentTranscodingIndex=null");
startTranscoding = true;
}
else if (segmentId < currentTranscodingIndex.Value)
{
_logger.LogDebug("Starting transcoding because requestedIndex={0} and currentTranscodingIndex={1}", segmentId, currentTranscodingIndex);
startTranscoding = true;
}
else if (segmentId - currentTranscodingIndex.Value > segmentGapRequiringTranscodingChange)
{
_logger.LogDebug("Starting transcoding because segmentGap is {0} and max allowed gap is {1}. requestedIndex={2}", segmentId - currentTranscodingIndex.Value, segmentGapRequiringTranscodingChange, segmentId);
startTranscoding = true;
}
if (startTranscoding)
{
// If the playlist doesn't already exist, startup ffmpeg
try
{
await _transcodeManager.KillTranscodingJobs(streamingRequest.DeviceId, streamingRequest.PlaySessionId, p => false)
.ConfigureAwait(false);
if (currentTranscodingIndex.HasValue)
{
DeleteLastFile(playlistPath, segmentExtension, 0);
}
streamingRequest.StartTimeTicks = streamingRequest.CurrentRuntimeTicks;
state.WaitForPath = segmentPath;
job = await _transcodeManager.StartFfMpeg(
state,
playlistPath,
GetCommandLineArguments(playlistPath, state, false, segmentId),
Request.HttpContext.User.GetUserId(),
TranscodingJobType,
cancellationTokenSource).ConfigureAwait(false);
}
catch
{
state.Dispose();
throw;
}
// await WaitForMinimumSegmentCount(playlistPath, 1, cancellationTokenSource.Token).ConfigureAwait(false);
}
else
{
job = _transcodeManager.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
if (job?.TranscodingThrottler is not null)
{
await job.TranscodingThrottler.UnpauseTranscoding().ConfigureAwait(false);
}
}
}
}
finally
{
if (!released)
{
transcodingLock.Release();
}
}