869 lines
29 KiB
C#
869 lines
29 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
using MediaBrowser.Api.Playback;
|
|
using MediaBrowser.Common.Configuration;
|
|
using MediaBrowser.Controller.Configuration;
|
|
using MediaBrowser.Controller.Library;
|
|
using MediaBrowser.Controller.MediaEncoding;
|
|
using MediaBrowser.Controller.Net;
|
|
using MediaBrowser.Controller.Plugins;
|
|
using MediaBrowser.Controller.Session;
|
|
using MediaBrowser.Model.Configuration;
|
|
using MediaBrowser.Model.Diagnostics;
|
|
using MediaBrowser.Model.Dto;
|
|
using MediaBrowser.Model.IO;
|
|
using MediaBrowser.Model.Session;
|
|
using Microsoft.Extensions.Logging;
|
|
|
|
namespace MediaBrowser.Api
|
|
{
|
|
/// <summary>
|
|
/// Class ServerEntryPoint
|
|
/// </summary>
|
|
public class ApiEntryPoint : IServerEntryPoint
|
|
{
|
|
/// <summary>
|
|
/// The instance
|
|
/// </summary>
|
|
public static ApiEntryPoint Instance;
|
|
|
|
/// <summary>
|
|
/// Gets or sets the logger.
|
|
/// </summary>
|
|
/// <value>The logger.</value>
|
|
internal ILogger Logger { get; private set; }
|
|
internal IHttpResultFactory ResultFactory { get; private set; }
|
|
|
|
/// <summary>
|
|
/// Gets the configuration manager.
|
|
/// </summary>
|
|
internal IServerConfigurationManager ConfigurationManager { get; }
|
|
|
|
private readonly ISessionManager _sessionManager;
|
|
private readonly IFileSystem _fileSystem;
|
|
private readonly IMediaSourceManager _mediaSourceManager;
|
|
|
|
/// <summary>
|
|
/// The active transcoding jobs
|
|
/// </summary>
|
|
private readonly List<TranscodingJob> _activeTranscodingJobs = new List<TranscodingJob>();
|
|
|
|
private readonly Dictionary<string, SemaphoreSlim> _transcodingLocks =
|
|
new Dictionary<string, SemaphoreSlim>();
|
|
|
|
private bool _disposed = false;
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="ApiEntryPoint" /> class.
|
|
/// </summary>
|
|
/// <param name="logger">The logger.</param>
|
|
/// <param name="sessionManager">The session manager.</param>
|
|
/// <param name="config">The configuration.</param>
|
|
/// <param name="fileSystem">The file system.</param>
|
|
/// <param name="mediaSourceManager">The media source manager.</param>
|
|
public ApiEntryPoint(
|
|
ILogger logger,
|
|
ISessionManager sessionManager,
|
|
IServerConfigurationManager config,
|
|
IFileSystem fileSystem,
|
|
IMediaSourceManager mediaSourceManager,
|
|
IHttpResultFactory resultFactory)
|
|
{
|
|
Logger = logger;
|
|
_sessionManager = sessionManager;
|
|
ConfigurationManager = config;
|
|
_fileSystem = fileSystem;
|
|
_mediaSourceManager = mediaSourceManager;
|
|
ResultFactory = resultFactory;
|
|
|
|
_sessionManager.PlaybackProgress += _sessionManager_PlaybackProgress;
|
|
_sessionManager.PlaybackStart += _sessionManager_PlaybackStart;
|
|
|
|
Instance = this;
|
|
}
|
|
|
|
public static string[] Split(string value, char separator, bool removeEmpty)
|
|
{
|
|
if (string.IsNullOrWhiteSpace(value))
|
|
{
|
|
return Array.Empty<string>();
|
|
}
|
|
|
|
if (removeEmpty)
|
|
{
|
|
return value.Split(new[] { separator }, StringSplitOptions.RemoveEmptyEntries);
|
|
}
|
|
|
|
return value.Split(separator);
|
|
}
|
|
|
|
public SemaphoreSlim GetTranscodingLock(string outputPath)
|
|
{
|
|
lock (_transcodingLocks)
|
|
{
|
|
if (!_transcodingLocks.TryGetValue(outputPath, out SemaphoreSlim result))
|
|
{
|
|
result = new SemaphoreSlim(1, 1);
|
|
_transcodingLocks[outputPath] = result;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
}
|
|
|
|
private void _sessionManager_PlaybackStart(object sender, PlaybackProgressEventArgs e)
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(e.PlaySessionId))
|
|
{
|
|
PingTranscodingJob(e.PlaySessionId, e.IsPaused);
|
|
}
|
|
}
|
|
|
|
void _sessionManager_PlaybackProgress(object sender, PlaybackProgressEventArgs e)
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(e.PlaySessionId))
|
|
{
|
|
PingTranscodingJob(e.PlaySessionId, e.IsPaused);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Runs this instance.
|
|
/// </summary>
|
|
public Task RunAsync()
|
|
{
|
|
try
|
|
{
|
|
DeleteEncodedMediaCache();
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
// Don't clutter the log
|
|
}
|
|
catch (IOException)
|
|
{
|
|
// Don't clutter the log
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.LogError(ex, "Error deleting encoded media cache");
|
|
}
|
|
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
public EncodingOptions GetEncodingOptions()
|
|
{
|
|
return ConfigurationManagerExtensions.GetConfiguration<EncodingOptions>(ConfigurationManager, "encoding");
|
|
}
|
|
|
|
/// <summary>
|
|
/// Deletes the encoded media cache.
|
|
/// </summary>
|
|
private void DeleteEncodedMediaCache()
|
|
{
|
|
var path = ConfigurationManager.ApplicationPaths.GetTranscodePath();
|
|
|
|
if (!Directory.Exists(path))
|
|
{
|
|
return;
|
|
}
|
|
|
|
foreach (var file in _fileSystem.GetFilePaths(path, true))
|
|
{
|
|
_fileSystem.DeleteFile(file);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
|
|
/// </summary>
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Releases unmanaged and - optionally - managed resources.
|
|
/// </summary>
|
|
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
|
|
protected virtual void Dispose(bool dispose)
|
|
{
|
|
if (_disposed)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (dispose)
|
|
{
|
|
// TODO: dispose
|
|
}
|
|
|
|
var jobs = _activeTranscodingJobs.ToList();
|
|
var jobCount = jobs.Count;
|
|
|
|
IEnumerable<Task> GetKillJobs()
|
|
{
|
|
foreach (var job in jobs)
|
|
{
|
|
yield return KillTranscodingJob(job, false, path => true);
|
|
}
|
|
}
|
|
|
|
// Wait for all processes to be killed
|
|
if (jobCount > 0)
|
|
{
|
|
Task.WaitAll(GetKillJobs().ToArray());
|
|
}
|
|
|
|
_activeTranscodingJobs.Clear();
|
|
_transcodingLocks.Clear();
|
|
|
|
_sessionManager.PlaybackProgress -= _sessionManager_PlaybackProgress;
|
|
_sessionManager.PlaybackStart -= _sessionManager_PlaybackStart;
|
|
|
|
_disposed = true;
|
|
}
|
|
|
|
|
|
/// <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,
|
|
MediaSource = state.MediaSource
|
|
};
|
|
|
|
_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),
|
|
TranscodeReasons = state.TranscodeReasons
|
|
});
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// <summary>
|
|
/// The progressive
|
|
/// </summary>
|
|
/// Called when [transcode failed to start].
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="type">The type.</param>
|
|
/// <param name="state">The state.</param>
|
|
public void OnTranscodeFailedToStart(string path, TranscodingJobType type, StreamState state)
|
|
{
|
|
lock (_activeTranscodingJobs)
|
|
{
|
|
var job = _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
|
|
|
|
if (job != null)
|
|
{
|
|
_activeTranscodingJobs.Remove(job);
|
|
}
|
|
}
|
|
|
|
lock (_transcodingLocks)
|
|
{
|
|
_transcodingLocks.Remove(path);
|
|
}
|
|
|
|
if (!string.IsNullOrWhiteSpace(state.Request.DeviceId))
|
|
{
|
|
_sessionManager.ClearTranscodingInfo(state.Request.DeviceId);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether [has active transcoding job] [the specified path].
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="type">The type.</param>
|
|
/// <returns><c>true</c> if [has active transcoding job] [the specified path]; otherwise, <c>false</c>.</returns>
|
|
public bool HasActiveTranscodingJob(string path, TranscodingJobType type)
|
|
{
|
|
return GetTranscodingJob(path, type) != null;
|
|
}
|
|
|
|
public TranscodingJob GetTranscodingJob(string path, TranscodingJobType type)
|
|
{
|
|
lock (_activeTranscodingJobs)
|
|
{
|
|
return _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
|
|
}
|
|
}
|
|
|
|
public TranscodingJob GetTranscodingJob(string playSessionId)
|
|
{
|
|
lock (_activeTranscodingJobs)
|
|
{
|
|
return _activeTranscodingJobs.FirstOrDefault(j => string.Equals(j.PlaySessionId, playSessionId, StringComparison.OrdinalIgnoreCase));
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Called when [transcode begin request].
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="type">The type.</param>
|
|
public TranscodingJob OnTranscodeBeginRequest(string path, TranscodingJobType type)
|
|
{
|
|
lock (_activeTranscodingJobs)
|
|
{
|
|
var job = _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
|
|
|
|
if (job == null)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
OnTranscodeBeginRequest(job);
|
|
|
|
return job;
|
|
}
|
|
}
|
|
|
|
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.LogDebug("OnTranscodeEndRequest job.ActiveRequestCount={0}", job.ActiveRequestCount);
|
|
if (job.ActiveRequestCount <= 0)
|
|
{
|
|
PingTimer(job, false);
|
|
}
|
|
}
|
|
internal void PingTranscodingJob(string playSessionId, bool? isUserPaused)
|
|
{
|
|
if (string.IsNullOrEmpty(playSessionId))
|
|
{
|
|
throw new ArgumentNullException(nameof(playSessionId));
|
|
}
|
|
|
|
Logger.LogDebug("PingTranscodingJob PlaySessionId={0} isUsedPaused: {1}", playSessionId, isUserPaused);
|
|
|
|
List<TranscodingJob> jobs;
|
|
|
|
lock (_activeTranscodingJobs)
|
|
{
|
|
// This is really only needed for HLS.
|
|
// Progressive streams can stop on their own reliably
|
|
jobs = _activeTranscodingJobs.Where(j => string.Equals(playSessionId, j.PlaySessionId, StringComparison.OrdinalIgnoreCase)).ToList();
|
|
}
|
|
|
|
foreach (var job in jobs)
|
|
{
|
|
if (isUserPaused.HasValue)
|
|
{
|
|
Logger.LogDebug("Setting job.IsUserPaused to {0}. jobId: {1}", isUserPaused, job.Id);
|
|
job.IsUserPaused = isUserPaused.Value;
|
|
}
|
|
PingTimer(job, true);
|
|
}
|
|
}
|
|
|
|
private 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();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Called when [transcode kill timer stopped].
|
|
/// </summary>
|
|
/// <param name="state">The state.</param>
|
|
private async void OnTranscodeKillTimerStopped(object state)
|
|
{
|
|
var job = (TranscodingJob)state;
|
|
|
|
if (!job.HasExited && job.Type != TranscodingJobType.Progressive)
|
|
{
|
|
var timeSinceLastPing = (DateTime.UtcNow - job.LastPingDate).TotalMilliseconds;
|
|
|
|
if (timeSinceLastPing < job.PingTimeout)
|
|
{
|
|
job.StartKillTimer(OnTranscodeKillTimerStopped, job.PingTimeout);
|
|
return;
|
|
}
|
|
}
|
|
|
|
Logger.LogInformation("Transcoding kill timer stopped for JobId {0} PlaySessionId {1}. Killing transcoding", job.Id, job.PlaySessionId);
|
|
|
|
await KillTranscodingJob(job, true, path => true);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Kills the single transcoding job.
|
|
/// </summary>
|
|
/// <param name="deviceId">The device id.</param>
|
|
/// <param name="playSessionId">The play session identifier.</param>
|
|
/// <param name="deleteFiles">The delete files.</param>
|
|
/// <returns>Task.</returns>
|
|
internal Task KillTranscodingJobs(string deviceId, string playSessionId, Func<string, bool> deleteFiles)
|
|
{
|
|
return KillTranscodingJobs(j =>
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(playSessionId))
|
|
{
|
|
return string.Equals(playSessionId, j.PlaySessionId, StringComparison.OrdinalIgnoreCase);
|
|
}
|
|
|
|
return string.Equals(deviceId, j.DeviceId, StringComparison.OrdinalIgnoreCase);
|
|
|
|
}, deleteFiles);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Kills the transcoding jobs.
|
|
/// </summary>
|
|
/// <param name="killJob">The kill job.</param>
|
|
/// <param name="deleteFiles">The delete files.</param>
|
|
/// <returns>Task.</returns>
|
|
private Task KillTranscodingJobs(Func<TranscodingJob, bool> killJob, Func<string, bool> deleteFiles)
|
|
{
|
|
var jobs = new List<TranscodingJob>();
|
|
|
|
lock (_activeTranscodingJobs)
|
|
{
|
|
// This is really only needed for HLS.
|
|
// Progressive streams can stop on their own reliably
|
|
jobs.AddRange(_activeTranscodingJobs.Where(killJob));
|
|
}
|
|
|
|
if (jobs.Count == 0)
|
|
{
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
IEnumerable<Task> GetKillJobs()
|
|
{
|
|
foreach (var job in jobs)
|
|
{
|
|
yield return KillTranscodingJob(job, false, deleteFiles);
|
|
}
|
|
}
|
|
|
|
return Task.WhenAll(GetKillJobs());
|
|
}
|
|
|
|
/// <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)
|
|
{
|
|
if (job.TranscodingThrottler != null)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
private async Task DeletePartialStreamFiles(string path, TranscodingJobType jobType, int retryCount, int delayMs)
|
|
{
|
|
if (retryCount >= 10)
|
|
{
|
|
return;
|
|
}
|
|
|
|
Logger.LogInformation("Deleting partial stream file(s) {Path}", path);
|
|
|
|
await Task.Delay(delayMs).ConfigureAwait(false);
|
|
|
|
try
|
|
{
|
|
if (jobType == TranscodingJobType.Progressive)
|
|
{
|
|
DeleteProgressivePartialStreamFiles(path);
|
|
}
|
|
else
|
|
{
|
|
DeleteHlsPartialStreamFiles(path);
|
|
}
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
|
|
}
|
|
catch (IOException ex)
|
|
{
|
|
Logger.LogError(ex, "Error deleting partial stream file(s) {Path}", path);
|
|
|
|
await DeletePartialStreamFiles(path, jobType, retryCount + 1, 500).ConfigureAwait(false);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.LogError(ex, "Error deleting partial stream file(s) {Path}", path);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Deletes the progressive partial stream files.
|
|
/// </summary>
|
|
/// <param name="outputFilePath">The output file path.</param>
|
|
private void DeleteProgressivePartialStreamFiles(string outputFilePath)
|
|
{
|
|
_fileSystem.DeleteFile(outputFilePath);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Deletes the HLS partial stream files.
|
|
/// </summary>
|
|
/// <param name="outputFilePath">The output file path.</param>
|
|
private void DeleteHlsPartialStreamFiles(string outputFilePath)
|
|
{
|
|
var directory = Path.GetDirectoryName(outputFilePath);
|
|
var name = Path.GetFileNameWithoutExtension(outputFilePath);
|
|
|
|
var filesToDelete = _fileSystem.GetFilePaths(directory)
|
|
.Where(f => f.IndexOf(name, StringComparison.OrdinalIgnoreCase) != -1);
|
|
|
|
Exception e = null;
|
|
|
|
foreach (var file in filesToDelete)
|
|
{
|
|
try
|
|
{
|
|
Logger.LogDebug("Deleting HLS file {0}", file);
|
|
_fileSystem.DeleteFile(file);
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
|
|
}
|
|
catch (IOException ex)
|
|
{
|
|
e = ex;
|
|
Logger.LogError(ex, "Error deleting HLS file {Path}", file);
|
|
}
|
|
}
|
|
|
|
if (e != null)
|
|
{
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Class TranscodingJob
|
|
/// </summary>
|
|
public class TranscodingJob
|
|
{
|
|
/// <summary>
|
|
/// Gets or sets the play session identifier.
|
|
/// </summary>
|
|
/// <value>The play session identifier.</value>
|
|
public string PlaySessionId { get; set; }
|
|
/// <summary>
|
|
/// Gets or sets the live stream identifier.
|
|
/// </summary>
|
|
/// <value>The live stream identifier.</value>
|
|
public string LiveStreamId { get; set; }
|
|
|
|
public bool IsLiveOutput { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets the path.
|
|
/// </summary>
|
|
/// <value>The path.</value>
|
|
public MediaSourceInfo MediaSource { get; set; }
|
|
public string Path { get; set; }
|
|
/// <summary>
|
|
/// Gets or sets the type.
|
|
/// </summary>
|
|
/// <value>The type.</value>
|
|
public TranscodingJobType Type { get; set; }
|
|
/// <summary>
|
|
/// Gets or sets the process.
|
|
/// </summary>
|
|
/// <value>The process.</value>
|
|
public Process Process { get; set; }
|
|
public ILogger Logger { get; private set; }
|
|
/// <summary>
|
|
/// Gets or sets the active request count.
|
|
/// </summary>
|
|
/// <value>The active request count.</value>
|
|
public int ActiveRequestCount { get; set; }
|
|
/// <summary>
|
|
/// Gets or sets the kill timer.
|
|
/// </summary>
|
|
/// <value>The kill timer.</value>
|
|
private Timer KillTimer { get; set; }
|
|
|
|
public string DeviceId { get; set; }
|
|
|
|
public CancellationTokenSource CancellationTokenSource { get; set; }
|
|
|
|
public object ProcessLock = new object();
|
|
|
|
public bool HasExited { get; set; }
|
|
public bool IsUserPaused { get; set; }
|
|
|
|
public string Id { get; set; }
|
|
|
|
public float? Framerate { get; set; }
|
|
public double? CompletionPercentage { get; set; }
|
|
|
|
public long? BytesDownloaded { get; set; }
|
|
public long? BytesTranscoded { get; set; }
|
|
public int? BitRate { get; set; }
|
|
|
|
public long? TranscodingPositionTicks { get; set; }
|
|
public long? DownloadPositionTicks { get; set; }
|
|
|
|
public TranscodingThrottler TranscodingThrottler { get; set; }
|
|
|
|
private readonly object _timerLock = new object();
|
|
|
|
public DateTime LastPingDate { get; set; }
|
|
public int PingTimeout { get; set; }
|
|
|
|
public TranscodingJob(ILogger logger)
|
|
{
|
|
Logger = logger;
|
|
}
|
|
|
|
public void StopKillTimer()
|
|
{
|
|
lock (_timerLock)
|
|
{
|
|
if (KillTimer != null)
|
|
{
|
|
KillTimer.Change(Timeout.Infinite, Timeout.Infinite);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void DisposeKillTimer()
|
|
{
|
|
lock (_timerLock)
|
|
{
|
|
if (KillTimer != null)
|
|
{
|
|
KillTimer.Dispose();
|
|
KillTimer = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void StartKillTimer(Action<object> callback)
|
|
{
|
|
StartKillTimer(callback, PingTimeout);
|
|
}
|
|
|
|
public void StartKillTimer(Action<object> callback, int intervalMs)
|
|
{
|
|
if (HasExited)
|
|
{
|
|
return;
|
|
}
|
|
|
|
lock (_timerLock)
|
|
{
|
|
if (KillTimer == null)
|
|
{
|
|
Logger.LogDebug("Starting kill timer at {0}ms. JobId {1} PlaySessionId {2}", intervalMs, Id, PlaySessionId);
|
|
KillTimer = new Timer(new TimerCallback(callback), this, intervalMs, Timeout.Infinite);
|
|
}
|
|
else
|
|
{
|
|
Logger.LogDebug("Changing kill timer to {0}ms. JobId {1} PlaySessionId {2}", intervalMs, Id, PlaySessionId);
|
|
KillTimer.Change(intervalMs, Timeout.Infinite);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void ChangeKillTimerIfStarted()
|
|
{
|
|
if (HasExited)
|
|
{
|
|
return;
|
|
}
|
|
|
|
lock (_timerLock)
|
|
{
|
|
if (KillTimer != null)
|
|
{
|
|
var intervalMs = PingTimeout;
|
|
|
|
Logger.LogDebug("Changing kill timer to {0}ms. JobId {1} PlaySessionId {2}", intervalMs, Id, PlaySessionId);
|
|
KillTimer.Change(intervalMs, Timeout.Infinite);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|