/// <summary>
/// Kills the transcoding job.
/// </summary>
/// <param name="job">The job.</param>
private void KillTranscodingJob(TranscodingJob job)
{
lock (_activeTranscodingJobs)
{
_activeTranscodingJobs.Remove(job);
if (job.KillTimer != null)
{
job.KillTimer.Dispose();
job.KillTimer = null;
}
}
var process = job.Process;
var hasExited = true;
try
{
hasExited = process.HasExited;
}
catch (Exception ex)
{
Logger.ErrorException("Error determining if ffmpeg process has exited for {0}", ex, job.Path);
}
if (!hasExited)
{
try
{
Logger.Info("Killing ffmpeg process for {0}", job.Path);
process.Kill();
// Need to wait because killing is asynchronous
process.WaitForExit(5000);
}
catch (Win32Exception ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
catch (InvalidOperationException ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
catch (NotSupportedException ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
}
// Determine if it exited successfully
var hasExitedSuccessfully = false;
try
{
hasExitedSuccessfully = process.ExitCode == 0;
}
catch (InvalidOperationException)
{
}
catch (NotSupportedException)
{
}
// Dispose the process
process.Dispose();
// If it didn't complete successfully cleanup the partial files
// Also don't cache output from resume points
// Also don't cache video
if (!hasExitedSuccessfully || job.StartTimeTicks.HasValue || job.IsVideo)
{
DeletePartialStreamFiles(job.Path, job.Type, 0, 1500);
}
}
private async void PingTimer(TranscodingJob job, bool isProgressCheckIn)
{
if (job.HasExited)
{
job.StopKillTimer();
return;
}
var timerDuration = 10000;
if (job.Type != TranscodingJobType.Progressive)
{
timerDuration = 60000;
}
job.PingTimeout = timerDuration;
job.LastPingDate = DateTime.UtcNow;
// Don't start the timer for playback checkins with progressive streaming
if (job.Type != TranscodingJobType.Progressive || !isProgressCheckIn)
{
job.StartKillTimer(OnTranscodeKillTimerStopped);
}
else
{
job.ChangeKillTimerIfStarted();
}
if (!string.IsNullOrWhiteSpace(job.LiveStreamId))
{
try
{
await _mediaSourceManager.PingLiveStream(job.LiveStreamId, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.ErrorException("Error closing live stream", ex);
}
}
}
/// <summary>
/// Kills the transcoding job.
/// </summary>
/// <param name="job">The job.</param>
/// <param name="closeLiveStream">if set to <c>true</c> [close live stream].</param>
/// <param name="delete">The delete.</param>
private async void KillTranscodingJob(TranscodingJob job, bool closeLiveStream, Func<string, bool> delete)
{
job.DisposeKillTimer();
Logger.Debug("KillTranscodingJob - JobId {0} PlaySessionId {1}. Killing transcoding", job.Id, job.PlaySessionId);
lock (_activeTranscodingJobs)
{
_activeTranscodingJobs.Remove(job);
if (!job.CancellationTokenSource.IsCancellationRequested)
{
job.CancellationTokenSource.Cancel();
}
}
lock (job.ProcessLock)
{
if (job.TranscodingThrottler != null)
{
job.TranscodingThrottler.Stop();
}
var process = job.Process;
var hasExited = job.HasExited;
if (!hasExited)
{
try
{
Logger.Info("Stopping ffmpeg process with q command for {0}", job.Path);
//process.Kill();
process.StandardInput.WriteLine("q");
// Need to wait because killing is asynchronous
if (!process.WaitForExit(5000))
{
Logger.Info("Killing ffmpeg process for {0}", job.Path);
process.Kill();
}
}
catch (Exception ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
}
}
if (delete(job.Path))
{
DeletePartialStreamFiles(job.Path, job.Type, 0, 1500);
}
if (closeLiveStream && !string.IsNullOrWhiteSpace(job.LiveStreamId))
{
try
{
await _mediaSourceManager.CloseLiveStream(job.LiveStreamId, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.ErrorException("Error closing live stream for {0}", ex, job.Path);
}
}
}
public void OnTranscodeBeginRequest(TranscodingJob job)
{
job.ActiveRequestCount++;
if (string.IsNullOrWhiteSpace(job.PlaySessionId) || job.Type == TranscodingJobType.Progressive)
{
job.StopKillTimer();
}
}
public void OnTranscodeEndRequest(TranscodingJob job)
{
job.ActiveRequestCount--;
//Logger.Debug("OnTranscodeEndRequest job.ActiveRequestCount={0}", job.ActiveRequestCount);
if (job.ActiveRequestCount <= 0)
{
PingTimer(job, false);
}
}
/// <summary>
/// Called when [transcode beginning].
/// </summary>
/// <param name="path">The path.</param>
/// <param name="playSessionId">The play session identifier.</param>
/// <param name="liveStreamId">The live stream identifier.</param>
/// <param name="transcodingJobId">The transcoding job identifier.</param>
/// <param name="type">The type.</param>
/// <param name="process">The process.</param>
/// <param name="deviceId">The device id.</param>
/// <param name="state">The state.</param>
/// <param name="cancellationTokenSource">The cancellation token source.</param>
/// <returns>TranscodingJob.</returns>
public TranscodingJob OnTranscodeBeginning(string path,
string playSessionId,
string liveStreamId,
string transcodingJobId,
TranscodingJobType type,
Process process,
string deviceId,
StreamState state,
CancellationTokenSource cancellationTokenSource)
{
lock (_activeTranscodingJobs)
{
var job = new TranscodingJob(Logger)
{
Type = type,
Path = path,
Process = process,
ActiveRequestCount = 1,
DeviceId = deviceId,
CancellationTokenSource = cancellationTokenSource,
Id = transcodingJobId,
PlaySessionId = playSessionId,
LiveStreamId = liveStreamId
};
_activeTranscodingJobs.Add(job);
ReportTranscodingProgress(job, state, null, null, null, null, null);
return job;
}
}
public void ReportTranscodingProgress(TranscodingJob job, StreamState state, TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded, int? bitRate)
{
var ticks = transcodingPosition.HasValue ? transcodingPosition.Value.Ticks : (long?)null;
if (job != null)
{
job.Framerate = framerate;
job.CompletionPercentage = percentComplete;
job.TranscodingPositionTicks = ticks;
job.BytesTranscoded = bytesTranscoded;
job.BitRate = bitRate;
}
var deviceId = state.Request.DeviceId;
if (!string.IsNullOrWhiteSpace(deviceId))
{
var audioCodec = state.ActualOutputAudioCodec;
var videoCodec = state.ActualOutputVideoCodec;
_sessionManager.ReportTranscodingInfo(deviceId, new TranscodingInfo
{
Bitrate = bitRate ?? state.TotalOutputBitrate,
AudioCodec = audioCodec,
VideoCodec = videoCodec,
Container = state.OutputContainer,
Framerate = framerate,
CompletionPercentage = percentComplete,
Width = state.OutputWidth,
Height = state.OutputHeight,
AudioChannels = state.OutputAudioChannels,
IsAudioDirect = string.Equals(state.OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase),
IsVideoDirect = string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)
});
}
}
/// <summary>
/// Kills the transcoding job.
/// </summary>
/// <param name="job">The job.</param>
/// <param name="delete">The delete.</param>
private void KillTranscodingJob(TranscodingJob job, Func<string, bool> delete)
{
lock (_activeTranscodingJobs)
{
_activeTranscodingJobs.Remove(job);
if (!job.CancellationTokenSource.IsCancellationRequested)
{
job.CancellationTokenSource.Cancel();
}
if (job.KillTimer != null)
{
job.KillTimer.Dispose();
job.KillTimer = null;
}
}
lock (job.ProcessLock)
{
var process = job.Process;
var hasExited = true;
try
{
hasExited = process.HasExited;
}
catch (Exception ex)
{
Logger.ErrorException("Error determining if ffmpeg process has exited for {0}", ex, job.Path);
}
if (!hasExited)
{
try
{
Logger.Info("Killing ffmpeg process for {0}", job.Path);
//process.Kill();
process.StandardInput.WriteLine("q");
// Need to wait because killing is asynchronous
process.WaitForExit(5000);
}
catch (Exception ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
}
}
if (delete(job.Path))
{
DeletePartialStreamFiles(job.Path, job.Type, 0, 1500);
}
}
/// <summary>
/// Kills the transcoding job.
/// </summary>
/// <param name="job">The job.</param>
/// <param name="closeLiveStream">if set to <c>true</c> [close live stream].</param>
/// <param name="delete">The delete.</param>
private async Task KillTranscodingJob(TranscodingJob job, bool closeLiveStream, Func <string, bool> delete)
{
job.DisposeKillTimer();
_logger.LogDebug("KillTranscodingJob - JobId {0} PlaySessionId {1}. Killing transcoding", job.Id, job.PlaySessionId);
lock (_activeTranscodingJobs)
{
_activeTranscodingJobs.Remove(job);
if (!job.CancellationTokenSource.IsCancellationRequested)
{
job.CancellationTokenSource.Cancel();
}
}
lock (_transcodingLocks)
{
_transcodingLocks.Remove(job.Path);
}
lock (job.ProcessLock)
{
job.TranscodingThrottler?.Stop().GetAwaiter().GetResult();
var process = job.Process;
var hasExited = job.HasExited;
if (!hasExited)
{
try
{
_logger.LogInformation("Stopping ffmpeg process with q command for {Path}", job.Path);
process.StandardInput.WriteLine("q");
// Need to wait because killing is asynchronous
if (!process.WaitForExit(5000))
{
_logger.LogInformation("Killing ffmpeg process for {Path}", job.Path);
process.Kill();
}
}
catch (InvalidOperationException)
{
}
}
}
if (delete(job.Path))
{
await DeletePartialStreamFiles(job.Path, job.Type, 0, 1500).ConfigureAwait(false);
}
if (closeLiveStream && !string.IsNullOrWhiteSpace(job.LiveStreamId))
{
try
{
await _mediaSourceManager.CloseLiveStream(job.LiveStreamId).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error closing live stream for {Path}", job.Path);
}
}
}
/// <summary>
/// Kills the transcoding job.
/// </summary>
/// <param name="job">The job.</param>
private void KillTranscodingJob(TranscodingJob job)
{
lock (_activeTranscodingJobs)
{
_activeTranscodingJobs.Remove(job);
if (!job.CancellationTokenSource.IsCancellationRequested)
{
job.CancellationTokenSource.Cancel();
}
if (job.KillTimer != null)
{
job.KillTimer.Dispose();
job.KillTimer = null;
}
}
var process = job.Process;
var hasExited = true;
try
{
hasExited = process.HasExited;
}
catch (Exception ex)
{
Logger.ErrorException("Error determining if ffmpeg process has exited for {0}", ex, job.Path);
}
if (!hasExited)
{
try
{
Logger.Info("Killing ffmpeg process for {0}", job.Path);
process.Kill();
// Need to wait because killing is asynchronous
process.WaitForExit(5000);
}
catch (Win32Exception ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
catch (InvalidOperationException ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
catch (NotSupportedException ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
}
// Dispose the process
process.Dispose();
DeletePartialStreamFiles(job.Path, job.Type, 0, 1500);
}
/// <summary>
/// Kills the transcoding job.
/// </summary>
/// <param name="job">The job.</param>
/// <param name="closeLiveStream">if set to <c>true</c> [close live stream].</param>
/// <param name="delete">The delete.</param>
private async void KillTranscodingJob(TranscodingJob job, bool closeLiveStream, Func <string, bool> delete)
{
job.DisposeKillTimer();
Logger.Debug("KillTranscodingJob - JobId {0} PlaySessionId {1}. Killing transcoding", job.Id, job.PlaySessionId);
lock (_activeTranscodingJobs)
{
_activeTranscodingJobs.Remove(job);
if (!job.CancellationTokenSource.IsCancellationRequested)
{
job.CancellationTokenSource.Cancel();
}
}
lock (job.ProcessLock)
{
if (job.TranscodingThrottler != null)
{
job.TranscodingThrottler.Stop();
}
var process = job.Process;
var hasExited = job.HasExited;
if (!hasExited)
{
try
{
Logger.Info("Killing ffmpeg process for {0}", job.Path);
//process.Kill();
process.StandardInput.WriteLine("q");
// Need to wait because killing is asynchronous
process.WaitForExit(5000);
}
catch (Exception ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
}
}
if (delete(job.Path))
{
DeletePartialStreamFiles(job.Path, job.Type, 0, 1500);
}
if (closeLiveStream && !string.IsNullOrWhiteSpace(job.LiveStreamId))
{
try
{
await _mediaSourceManager.CloseLiveStream(job.LiveStreamId, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.ErrorException("Error closing live stream for {0}", ex, job.Path);
}
}
}
/// <summary>
/// Kills the transcoding job.
/// </summary>
/// <param name="job">The job.</param>
private async void KillTranscodingJob(TranscodingJob job)
{
lock (_activeTranscodingJobs)
{
_activeTranscodingJobs.Remove(job);
if (job.KillTimer != null)
{
job.KillTimer.Dispose();
job.KillTimer = null;
}
}
var process = job.Process;
var hasExited = true;
try
{
hasExited = process.HasExited;
}
catch (Win32Exception ex)
{
Logger.ErrorException("Error determining if ffmpeg process has exited for {0}", ex, job.Path);
}
catch (InvalidOperationException ex)
{
Logger.ErrorException("Error determining if ffmpeg process has exited for {0}", ex, job.Path);
}
catch (NotSupportedException ex)
{
Logger.ErrorException("Error determining if ffmpeg process has exited for {0}", ex, job.Path);
}
if (!hasExited)
{
try
{
Logger.Info("Killing ffmpeg process for {0}", job.Path);
process.Kill();
// Need to wait because killing is asynchronous
process.WaitForExit(5000);
}
catch (Win32Exception ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
catch (InvalidOperationException ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
catch (NotSupportedException ex)
{
Logger.ErrorException("Error killing transcoding job for {0}", ex, job.Path);
}
}
// Determine if it exited successfully
var hasExitedSuccessfully = false;
try
{
hasExitedSuccessfully = process.ExitCode == 0;
}
catch (InvalidOperationException)
{
}
catch (NotSupportedException)
{
}
// Dispose the process
process.Dispose();
// If it didn't complete successfully cleanup the partial files
// Also don't cache output from resume points
// Also don't cache video
if (!hasExitedSuccessfully || job.StartTimeTicks.HasValue || job.IsVideo)
{
Logger.Info("Deleting partial stream file(s) {0}", job.Path);
await Task.Delay(1000).ConfigureAwait(false);
try
{
if (job.Type == TranscodingJobType.Progressive)
{
DeleteProgressivePartialStreamFiles(job.Path);
}
else
{
DeleteHlsPartialStreamFiles(job.Path);
}
}
catch (IOException ex)
{
Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, job.Path);
}
}
}
public void OnTranscodeEndRequest(TranscodingJob job)
{
job.ActiveRequestCount--;
if (job.ActiveRequestCount == 0)
{
// The HLS kill timer is long - 1/2 hr. clients should use the manual kill command when stopping.
var timerDuration = job.Type == TranscodingJobType.Progressive ? 1000 : 1800000;
if (job.KillTimer == null)
{
job.KillTimer = new Timer(OnTranscodeKillTimerStopped, job, timerDuration, Timeout.Infinite);
}
else
{
job.KillTimer.Change(timerDuration, Timeout.Infinite);
}
}
}
public void OnTranscodeEndRequest(TranscodingJob job)
{
job.ActiveRequestCount--;
if (job.ActiveRequestCount == 0)
{
if (job.Type == TranscodingJobType.Progressive)
{
const int timerDuration = 1000;
if (job.KillTimer == null)
{
job.KillTimer = new Timer(OnTranscodeKillTimerStopped, job, timerDuration, Timeout.Infinite);
}
else
{
job.KillTimer.Change(timerDuration, Timeout.Infinite);
}
}
}
}
