| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | using System.Diagnostics; |
| | | 4 | | using System.Globalization; |
| | | 5 | | using System.IO; |
| | | 6 | | using System.Linq; |
| | | 7 | | using System.Runtime.CompilerServices; |
| | | 8 | | using System.Text; |
| | | 9 | | using System.Text.Json; |
| | | 10 | | using System.Threading; |
| | | 11 | | using System.Threading.Tasks; |
| | | 12 | | using AsyncKeyedLock; |
| | | 13 | | using Jellyfin.Data.Enums; |
| | | 14 | | using Jellyfin.Extensions; |
| | | 15 | | using MediaBrowser.Common; |
| | | 16 | | using MediaBrowser.Common.Configuration; |
| | | 17 | | using MediaBrowser.Common.Extensions; |
| | | 18 | | using MediaBrowser.Controller.Configuration; |
| | | 19 | | using MediaBrowser.Controller.Library; |
| | | 20 | | using MediaBrowser.Controller.MediaEncoding; |
| | | 21 | | using MediaBrowser.Controller.Session; |
| | | 22 | | using MediaBrowser.Controller.Streaming; |
| | | 23 | | using MediaBrowser.Model.Dlna; |
| | | 24 | | using MediaBrowser.Model.Entities; |
| | | 25 | | using MediaBrowser.Model.IO; |
| | | 26 | | using MediaBrowser.Model.MediaInfo; |
| | | 27 | | using MediaBrowser.Model.Session; |
| | | 28 | | using Microsoft.Extensions.Logging; |
| | | 29 | | |
| | | 30 | | namespace MediaBrowser.MediaEncoding.Transcoding; |
| | | 31 | | |
| | | 32 | | /// <inheritdoc cref="ITranscodeManager"/> |
| | | 33 | | public sealed class TranscodeManager : ITranscodeManager, IDisposable |
| | | 34 | | { |
| | | 35 | | private readonly ILoggerFactory _loggerFactory; |
| | | 36 | | private readonly ILogger<TranscodeManager> _logger; |
| | | 37 | | private readonly IFileSystem _fileSystem; |
| | | 38 | | private readonly IApplicationPaths _appPaths; |
| | | 39 | | private readonly IServerConfigurationManager _serverConfigurationManager; |
| | | 40 | | private readonly IUserManager _userManager; |
| | | 41 | | private readonly ISessionManager _sessionManager; |
| | | 42 | | private readonly EncodingHelper _encodingHelper; |
| | | 43 | | private readonly IMediaEncoder _mediaEncoder; |
| | | 44 | | private readonly IMediaSourceManager _mediaSourceManager; |
| | | 45 | | private readonly IAttachmentExtractor _attachmentExtractor; |
| | | 46 | | |
| | 2 | 47 | | private readonly List<TranscodingJob> _activeTranscodingJobs = new(); |
| | 2 | 48 | | private readonly AsyncKeyedLocker<string> _transcodingLocks = new(o => |
| | 2 | 49 | | { |
| | 2 | 50 | | o.PoolSize = 20; |
| | 2 | 51 | | o.PoolInitialFill = 1; |
| | 2 | 52 | | }); |
| | | 53 | | |
| | 2 | 54 | | private readonly Version _maxFFmpegCkeyPauseSupported = new Version(6, 1); |
| | | 55 | | |
| | | 56 | | /// <summary> |
| | | 57 | | /// Initializes a new instance of the <see cref="TranscodeManager"/> class. |
| | | 58 | | /// </summary> |
| | | 59 | | /// <param name="loggerFactory">The <see cref="ILoggerFactory"/>.</param> |
| | | 60 | | /// <param name="fileSystem">The <see cref="IFileSystem"/>.</param> |
| | | 61 | | /// <param name="appPaths">The <see cref="IApplicationPaths"/>.</param> |
| | | 62 | | /// <param name="serverConfigurationManager">The <see cref="IServerConfigurationManager"/>.</param> |
| | | 63 | | /// <param name="userManager">The <see cref="IUserManager"/>.</param> |
| | | 64 | | /// <param name="sessionManager">The <see cref="ISessionManager"/>.</param> |
| | | 65 | | /// <param name="encodingHelper">The <see cref="EncodingHelper"/>.</param> |
| | | 66 | | /// <param name="mediaEncoder">The <see cref="IMediaEncoder"/>.</param> |
| | | 67 | | /// <param name="mediaSourceManager">The <see cref="IMediaSourceManager"/>.</param> |
| | | 68 | | /// <param name="attachmentExtractor">The <see cref="IAttachmentExtractor"/>.</param> |
| | | 69 | | public TranscodeManager( |
| | | 70 | | ILoggerFactory loggerFactory, |
| | | 71 | | IFileSystem fileSystem, |
| | | 72 | | IApplicationPaths appPaths, |
| | | 73 | | IServerConfigurationManager serverConfigurationManager, |
| | | 74 | | IUserManager userManager, |
| | | 75 | | ISessionManager sessionManager, |
| | | 76 | | EncodingHelper encodingHelper, |
| | | 77 | | IMediaEncoder mediaEncoder, |
| | | 78 | | IMediaSourceManager mediaSourceManager, |
| | | 79 | | IAttachmentExtractor attachmentExtractor) |
| | | 80 | | { |
| | 2 | 81 | | _loggerFactory = loggerFactory; |
| | 2 | 82 | | _fileSystem = fileSystem; |
| | 2 | 83 | | _appPaths = appPaths; |
| | 2 | 84 | | _serverConfigurationManager = serverConfigurationManager; |
| | 2 | 85 | | _userManager = userManager; |
| | 2 | 86 | | _sessionManager = sessionManager; |
| | 2 | 87 | | _encodingHelper = encodingHelper; |
| | 2 | 88 | | _mediaEncoder = mediaEncoder; |
| | 2 | 89 | | _mediaSourceManager = mediaSourceManager; |
| | 2 | 90 | | _attachmentExtractor = attachmentExtractor; |
| | | 91 | | |
| | 2 | 92 | | _logger = loggerFactory.CreateLogger<TranscodeManager>(); |
| | 2 | 93 | | DeleteEncodedMediaCache(); |
| | 2 | 94 | | _sessionManager.PlaybackProgress += OnPlaybackProgress; |
| | 2 | 95 | | _sessionManager.PlaybackStart += OnPlaybackProgress; |
| | 2 | 96 | | } |
| | | 97 | | |
| | | 98 | | /// <inheritdoc /> |
| | | 99 | | public TranscodingJob? GetTranscodingJob(string playSessionId) |
| | | 100 | | { |
| | 0 | 101 | | lock (_activeTranscodingJobs) |
| | | 102 | | { |
| | 0 | 103 | | return _activeTranscodingJobs.FirstOrDefault(j => string.Equals(j.PlaySessionId, playSessionId, StringCompar |
| | | 104 | | } |
| | 0 | 105 | | } |
| | | 106 | | |
| | | 107 | | /// <inheritdoc /> |
| | | 108 | | public TranscodingJob? GetTranscodingJob(string path, TranscodingJobType type) |
| | | 109 | | { |
| | 0 | 110 | | lock (_activeTranscodingJobs) |
| | | 111 | | { |
| | 0 | 112 | | return _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringCompar |
| | | 113 | | } |
| | 0 | 114 | | } |
| | | 115 | | |
| | | 116 | | /// <inheritdoc /> |
| | | 117 | | public void PingTranscodingJob(string playSessionId, bool? isUserPaused) |
| | | 118 | | { |
| | 0 | 119 | | ArgumentException.ThrowIfNullOrEmpty(playSessionId); |
| | | 120 | | |
| | 0 | 121 | | _logger.LogDebug("PingTranscodingJob PlaySessionId={0} isUsedPaused: {1}", playSessionId, isUserPaused); |
| | | 122 | | |
| | | 123 | | List<TranscodingJob> jobs; |
| | | 124 | | |
| | 0 | 125 | | lock (_activeTranscodingJobs) |
| | | 126 | | { |
| | | 127 | | // This is really only needed for HLS. |
| | | 128 | | // Progressive streams can stop on their own reliably. |
| | 0 | 129 | | jobs = _activeTranscodingJobs.Where(j => string.Equals(playSessionId, j.PlaySessionId, StringComparison.Ordi |
| | 0 | 130 | | } |
| | | 131 | | |
| | 0 | 132 | | foreach (var job in jobs) |
| | | 133 | | { |
| | 0 | 134 | | if (isUserPaused.HasValue) |
| | | 135 | | { |
| | 0 | 136 | | _logger.LogDebug("Setting job.IsUserPaused to {0}. jobId: {1}", isUserPaused, job.Id); |
| | 0 | 137 | | job.IsUserPaused = isUserPaused.Value; |
| | | 138 | | } |
| | | 139 | | |
| | 0 | 140 | | PingTimer(job, true); |
| | | 141 | | } |
| | 0 | 142 | | } |
| | | 143 | | |
| | | 144 | | private void PingTimer(TranscodingJob job, bool isProgressCheckIn) |
| | | 145 | | { |
| | 0 | 146 | | if (job.HasExited) |
| | | 147 | | { |
| | 0 | 148 | | job.StopKillTimer(); |
| | 0 | 149 | | return; |
| | | 150 | | } |
| | | 151 | | |
| | 0 | 152 | | var timerDuration = 10000; |
| | | 153 | | |
| | 0 | 154 | | if (job.Type != TranscodingJobType.Progressive) |
| | | 155 | | { |
| | 0 | 156 | | timerDuration = 60000; |
| | | 157 | | } |
| | | 158 | | |
| | 0 | 159 | | job.PingTimeout = timerDuration; |
| | 0 | 160 | | job.LastPingDate = DateTime.UtcNow; |
| | | 161 | | |
| | | 162 | | // Don't start the timer for playback checkins with progressive streaming |
| | 0 | 163 | | if (job.Type != TranscodingJobType.Progressive || !isProgressCheckIn) |
| | | 164 | | { |
| | 0 | 165 | | job.StartKillTimer(OnTranscodeKillTimerStopped); |
| | | 166 | | } |
| | | 167 | | else |
| | | 168 | | { |
| | 0 | 169 | | job.ChangeKillTimerIfStarted(); |
| | | 170 | | } |
| | 0 | 171 | | } |
| | | 172 | | |
| | | 173 | | private async void OnTranscodeKillTimerStopped(object? state) |
| | | 174 | | { |
| | | 175 | | var job = state as TranscodingJob ?? throw new ArgumentException($"{nameof(state)} is not of type {nameof(Transc |
| | | 176 | | if (!job.HasExited && job.Type != TranscodingJobType.Progressive) |
| | | 177 | | { |
| | | 178 | | var timeSinceLastPing = (DateTime.UtcNow - job.LastPingDate).TotalMilliseconds; |
| | | 179 | | |
| | | 180 | | if (timeSinceLastPing < job.PingTimeout) |
| | | 181 | | { |
| | | 182 | | job.StartKillTimer(OnTranscodeKillTimerStopped, job.PingTimeout); |
| | | 183 | | return; |
| | | 184 | | } |
| | | 185 | | } |
| | | 186 | | |
| | | 187 | | _logger.LogInformation("Transcoding kill timer stopped for JobId {0} PlaySessionId {1}. Killing transcoding", jo |
| | | 188 | | |
| | | 189 | | await KillTranscodingJob(job, true, path => true).ConfigureAwait(false); |
| | | 190 | | } |
| | | 191 | | |
| | | 192 | | /// <inheritdoc /> |
| | | 193 | | public Task KillTranscodingJobs(string deviceId, string? playSessionId, Func<string, bool> deleteFiles) |
| | | 194 | | { |
| | 0 | 195 | | var jobs = new List<TranscodingJob>(); |
| | | 196 | | |
| | 0 | 197 | | lock (_activeTranscodingJobs) |
| | | 198 | | { |
| | | 199 | | // This is really only needed for HLS. |
| | | 200 | | // Progressive streams can stop on their own reliably. |
| | 0 | 201 | | jobs.AddRange(_activeTranscodingJobs.Where(j => string.IsNullOrWhiteSpace(playSessionId) |
| | 0 | 202 | | ? string.Equals(deviceId, j.DeviceId, StringComparison.OrdinalIgnoreCase) |
| | 0 | 203 | | : string.Equals(playSessionId, j.PlaySessionId, StringComparison.OrdinalIgnoreCase))); |
| | 0 | 204 | | } |
| | | 205 | | |
| | 0 | 206 | | return Task.WhenAll(GetKillJobs()); |
| | | 207 | | |
| | | 208 | | IEnumerable<Task> GetKillJobs() |
| | | 209 | | { |
| | | 210 | | foreach (var job in jobs) |
| | | 211 | | { |
| | | 212 | | yield return KillTranscodingJob(job, false, deleteFiles); |
| | | 213 | | } |
| | | 214 | | } |
| | | 215 | | } |
| | | 216 | | |
| | | 217 | | private async Task KillTranscodingJob(TranscodingJob job, bool closeLiveStream, Func<string, bool> delete) |
| | | 218 | | { |
| | | 219 | | job.DisposeKillTimer(); |
| | | 220 | | |
| | | 221 | | _logger.LogDebug("KillTranscodingJob - JobId {0} PlaySessionId {1}. Killing transcoding", job.Id, job.PlaySessio |
| | | 222 | | |
| | | 223 | | lock (_activeTranscodingJobs) |
| | | 224 | | { |
| | | 225 | | _activeTranscodingJobs.Remove(job); |
| | | 226 | | |
| | | 227 | | if (job.CancellationTokenSource?.IsCancellationRequested == false) |
| | | 228 | | { |
| | | 229 | | #pragma warning disable CA1849 // Can't await in lock block |
| | | 230 | | job.CancellationTokenSource.Cancel(); |
| | | 231 | | #pragma warning restore CA1849 |
| | | 232 | | } |
| | | 233 | | } |
| | | 234 | | |
| | | 235 | | job.Stop(); |
| | | 236 | | |
| | | 237 | | if (delete(job.Path!)) |
| | | 238 | | { |
| | | 239 | | await DeletePartialStreamFiles(job.Path!, job.Type, 0, 1500).ConfigureAwait(false); |
| | | 240 | | } |
| | | 241 | | |
| | | 242 | | if (closeLiveStream && !string.IsNullOrWhiteSpace(job.LiveStreamId)) |
| | | 243 | | { |
| | | 244 | | try |
| | | 245 | | { |
| | | 246 | | await _mediaSourceManager.CloseLiveStream(job.LiveStreamId).ConfigureAwait(false); |
| | | 247 | | } |
| | | 248 | | catch (Exception ex) |
| | | 249 | | { |
| | | 250 | | _logger.LogError(ex, "Error closing live stream for {Path}", job.Path); |
| | | 251 | | } |
| | | 252 | | } |
| | | 253 | | } |
| | | 254 | | |
| | | 255 | | private async Task DeletePartialStreamFiles(string path, TranscodingJobType jobType, int retryCount, int delayMs) |
| | | 256 | | { |
| | | 257 | | if (retryCount >= 10) |
| | | 258 | | { |
| | | 259 | | return; |
| | | 260 | | } |
| | | 261 | | |
| | | 262 | | _logger.LogInformation("Deleting partial stream file(s) {Path}", path); |
| | | 263 | | |
| | | 264 | | await Task.Delay(delayMs).ConfigureAwait(false); |
| | | 265 | | |
| | | 266 | | try |
| | | 267 | | { |
| | | 268 | | if (jobType == TranscodingJobType.Progressive) |
| | | 269 | | { |
| | | 270 | | DeleteProgressivePartialStreamFiles(path); |
| | | 271 | | } |
| | | 272 | | else |
| | | 273 | | { |
| | | 274 | | DeleteHlsPartialStreamFiles(path); |
| | | 275 | | } |
| | | 276 | | } |
| | | 277 | | catch (IOException ex) |
| | | 278 | | { |
| | | 279 | | _logger.LogError(ex, "Error deleting partial stream file(s) {Path}", path); |
| | | 280 | | |
| | | 281 | | await DeletePartialStreamFiles(path, jobType, retryCount + 1, 500).ConfigureAwait(false); |
| | | 282 | | } |
| | | 283 | | catch (Exception ex) |
| | | 284 | | { |
| | | 285 | | _logger.LogError(ex, "Error deleting partial stream file(s) {Path}", path); |
| | | 286 | | } |
| | | 287 | | } |
| | | 288 | | |
| | | 289 | | private void DeleteProgressivePartialStreamFiles(string outputFilePath) |
| | | 290 | | { |
| | 0 | 291 | | if (File.Exists(outputFilePath)) |
| | | 292 | | { |
| | 0 | 293 | | _fileSystem.DeleteFile(outputFilePath); |
| | | 294 | | } |
| | 0 | 295 | | } |
| | | 296 | | |
| | | 297 | | private void DeleteHlsPartialStreamFiles(string outputFilePath) |
| | | 298 | | { |
| | 0 | 299 | | var directory = Path.GetDirectoryName(outputFilePath) |
| | 0 | 300 | | ?? throw new ArgumentException("Path can't be a root directory.", nameof(outputFilePath)); |
| | | 301 | | |
| | 0 | 302 | | var name = Path.GetFileNameWithoutExtension(outputFilePath); |
| | | 303 | | |
| | 0 | 304 | | var filesToDelete = _fileSystem.GetFilePaths(directory) |
| | 0 | 305 | | .Where(f => f.Contains(name, StringComparison.OrdinalIgnoreCase)); |
| | | 306 | | |
| | 0 | 307 | | List<Exception>? exs = null; |
| | 0 | 308 | | foreach (var file in filesToDelete) |
| | | 309 | | { |
| | | 310 | | try |
| | | 311 | | { |
| | 0 | 312 | | _logger.LogDebug("Deleting HLS file {0}", file); |
| | 0 | 313 | | _fileSystem.DeleteFile(file); |
| | 0 | 314 | | } |
| | 0 | 315 | | catch (IOException ex) |
| | | 316 | | { |
| | 0 | 317 | | (exs ??= new List<Exception>()).Add(ex); |
| | 0 | 318 | | _logger.LogError(ex, "Error deleting HLS file {Path}", file); |
| | 0 | 319 | | } |
| | | 320 | | } |
| | | 321 | | |
| | 0 | 322 | | if (exs is not null) |
| | | 323 | | { |
| | 0 | 324 | | throw new AggregateException("Error deleting HLS files", exs); |
| | | 325 | | } |
| | 0 | 326 | | } |
| | | 327 | | |
| | | 328 | | /// <inheritdoc /> |
| | | 329 | | public void ReportTranscodingProgress( |
| | | 330 | | TranscodingJob job, |
| | | 331 | | StreamState state, |
| | | 332 | | TimeSpan? transcodingPosition, |
| | | 333 | | float? framerate, |
| | | 334 | | double? percentComplete, |
| | | 335 | | long? bytesTranscoded, |
| | | 336 | | int? bitRate) |
| | | 337 | | { |
| | 0 | 338 | | var ticks = transcodingPosition?.Ticks; |
| | | 339 | | |
| | 0 | 340 | | if (job is not null) |
| | | 341 | | { |
| | 0 | 342 | | job.Framerate = framerate; |
| | 0 | 343 | | job.CompletionPercentage = percentComplete; |
| | 0 | 344 | | job.TranscodingPositionTicks = ticks; |
| | 0 | 345 | | job.BytesTranscoded = bytesTranscoded; |
| | 0 | 346 | | job.BitRate = bitRate; |
| | | 347 | | } |
| | | 348 | | |
| | 0 | 349 | | var deviceId = state.Request.DeviceId; |
| | | 350 | | |
| | 0 | 351 | | if (!string.IsNullOrWhiteSpace(deviceId)) |
| | | 352 | | { |
| | 0 | 353 | | var audioCodec = state.ActualOutputAudioCodec; |
| | 0 | 354 | | var videoCodec = state.ActualOutputVideoCodec; |
| | 0 | 355 | | var hardwareAccelerationType = _serverConfigurationManager.GetEncodingOptions().HardwareAccelerationType; |
| | | 356 | | |
| | 0 | 357 | | _sessionManager.ReportTranscodingInfo(deviceId, new TranscodingInfo |
| | 0 | 358 | | { |
| | 0 | 359 | | Bitrate = bitRate ?? state.TotalOutputBitrate, |
| | 0 | 360 | | AudioCodec = audioCodec, |
| | 0 | 361 | | VideoCodec = videoCodec, |
| | 0 | 362 | | Container = state.OutputContainer, |
| | 0 | 363 | | Framerate = framerate, |
| | 0 | 364 | | CompletionPercentage = percentComplete, |
| | 0 | 365 | | Width = state.OutputWidth, |
| | 0 | 366 | | Height = state.OutputHeight, |
| | 0 | 367 | | AudioChannels = state.OutputAudioChannels, |
| | 0 | 368 | | IsAudioDirect = EncodingHelper.IsCopyCodec(state.OutputAudioCodec), |
| | 0 | 369 | | IsVideoDirect = EncodingHelper.IsCopyCodec(state.OutputVideoCodec), |
| | 0 | 370 | | HardwareAccelerationType = hardwareAccelerationType, |
| | 0 | 371 | | TranscodeReasons = state.TranscodeReasons |
| | 0 | 372 | | }); |
| | | 373 | | } |
| | 0 | 374 | | } |
| | | 375 | | |
| | | 376 | | /// <inheritdoc /> |
| | | 377 | | public async Task<TranscodingJob> StartFfMpeg( |
| | | 378 | | StreamState state, |
| | | 379 | | string outputPath, |
| | | 380 | | string commandLineArguments, |
| | | 381 | | Guid userId, |
| | | 382 | | TranscodingJobType transcodingJobType, |
| | | 383 | | CancellationTokenSource cancellationTokenSource, |
| | | 384 | | string? workingDirectory = null) |
| | | 385 | | { |
| | | 386 | | var directory = Path.GetDirectoryName(outputPath) ?? throw new ArgumentException($"Provided path ({outputPath}) |
| | | 387 | | Directory.CreateDirectory(directory); |
| | | 388 | | |
| | | 389 | | await AcquireResources(state, cancellationTokenSource).ConfigureAwait(false); |
| | | 390 | | |
| | | 391 | | if (state.VideoRequest is not null && !EncodingHelper.IsCopyCodec(state.OutputVideoCodec)) |
| | | 392 | | { |
| | | 393 | | var user = userId.IsEmpty() ? null : _userManager.GetUserById(userId); |
| | | 394 | | if (user is not null && !user.HasPermission(PermissionKind.EnableVideoPlaybackTranscoding)) |
| | | 395 | | { |
| | | 396 | | OnTranscodeFailedToStart(outputPath, transcodingJobType, state); |
| | | 397 | | |
| | | 398 | | throw new ArgumentException("User does not have access to video transcoding."); |
| | | 399 | | } |
| | | 400 | | } |
| | | 401 | | |
| | | 402 | | ArgumentException.ThrowIfNullOrEmpty(_mediaEncoder.EncoderPath); |
| | | 403 | | |
| | | 404 | | // If subtitles get burned in fonts may need to be extracted from the media file |
| | | 405 | | if (state.SubtitleStream is not null && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode) |
| | | 406 | | { |
| | | 407 | | var attachmentPath = Path.Combine(_appPaths.CachePath, "attachments", state.MediaSource.Id); |
| | | 408 | | if (state.MediaSource.VideoType == VideoType.Dvd || state.MediaSource.VideoType == VideoType.BluRay) |
| | | 409 | | { |
| | | 410 | | var concatPath = Path.Join(_appPaths.CachePath, "concat", state.MediaSource.Id + ".concat"); |
| | | 411 | | await _attachmentExtractor.ExtractAllAttachments(concatPath, state.MediaSource, attachmentPath, cancella |
| | | 412 | | } |
| | | 413 | | else |
| | | 414 | | { |
| | | 415 | | await _attachmentExtractor.ExtractAllAttachments(state.MediaPath, state.MediaSource, attachmentPath, can |
| | | 416 | | } |
| | | 417 | | |
| | | 418 | | if (state.SubtitleStream.IsExternal && Path.GetExtension(state.SubtitleStream.Path.AsSpan()).Equals(".mks", |
| | | 419 | | { |
| | | 420 | | string subtitlePath = state.SubtitleStream.Path; |
| | | 421 | | string subtitlePathArgument = string.Format(CultureInfo.InvariantCulture, "file:\"{0}\"", subtitlePath.R |
| | | 422 | | string subtitleId = subtitlePath.GetMD5().ToString("N", CultureInfo.InvariantCulture); |
| | | 423 | | |
| | | 424 | | await _attachmentExtractor.ExtractAllAttachmentsExternal(subtitlePathArgument, subtitleId, attachmentPat |
| | | 425 | | } |
| | | 426 | | } |
| | | 427 | | |
| | | 428 | | var process = new Process |
| | | 429 | | { |
| | | 430 | | StartInfo = new ProcessStartInfo |
| | | 431 | | { |
| | | 432 | | WindowStyle = ProcessWindowStyle.Hidden, |
| | | 433 | | CreateNoWindow = true, |
| | | 434 | | UseShellExecute = false, |
| | | 435 | | |
| | | 436 | | // Must consume both stdout and stderr or deadlocks may occur |
| | | 437 | | // RedirectStandardOutput = true, |
| | | 438 | | RedirectStandardError = true, |
| | | 439 | | RedirectStandardInput = true, |
| | | 440 | | FileName = _mediaEncoder.EncoderPath, |
| | | 441 | | Arguments = commandLineArguments, |
| | | 442 | | WorkingDirectory = string.IsNullOrWhiteSpace(workingDirectory) ? string.Empty : workingDirectory, |
| | | 443 | | ErrorDialog = false |
| | | 444 | | }, |
| | | 445 | | EnableRaisingEvents = true |
| | | 446 | | }; |
| | | 447 | | |
| | | 448 | | var transcodingJob = OnTranscodeBeginning( |
| | | 449 | | outputPath, |
| | | 450 | | state.Request.PlaySessionId, |
| | | 451 | | state.MediaSource.LiveStreamId, |
| | | 452 | | Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture), |
| | | 453 | | transcodingJobType, |
| | | 454 | | process, |
| | | 455 | | state.Request.DeviceId, |
| | | 456 | | state, |
| | | 457 | | cancellationTokenSource); |
| | | 458 | | |
| | | 459 | | _logger.LogInformation("{Filename} {Arguments}", process.StartInfo.FileName, process.StartInfo.Arguments); |
| | | 460 | | |
| | | 461 | | var logFilePrefix = "FFmpeg.Transcode-"; |
| | | 462 | | if (state.VideoRequest is not null |
| | | 463 | | && EncodingHelper.IsCopyCodec(state.OutputVideoCodec)) |
| | | 464 | | { |
| | | 465 | | logFilePrefix = EncodingHelper.IsCopyCodec(state.OutputAudioCodec) |
| | | 466 | | ? "FFmpeg.Remux-" |
| | | 467 | | : "FFmpeg.DirectStream-"; |
| | | 468 | | } |
| | | 469 | | |
| | | 470 | | if (state.VideoRequest is null && EncodingHelper.IsCopyCodec(state.OutputAudioCodec)) |
| | | 471 | | { |
| | | 472 | | logFilePrefix = "FFmpeg.Remux-"; |
| | | 473 | | } |
| | | 474 | | |
| | | 475 | | var logFilePath = Path.Combine( |
| | | 476 | | _serverConfigurationManager.ApplicationPaths.LogDirectoryPath, |
| | | 477 | | $"{logFilePrefix}{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{state.Request.MediaSourceId}_{Guid.NewGuid().ToString() |
| | | 478 | | |
| | | 479 | | // FFmpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory. |
| | | 480 | | Stream logStream = new FileStream( |
| | | 481 | | logFilePath, |
| | | 482 | | FileMode.Create, |
| | | 483 | | FileAccess.Write, |
| | | 484 | | FileShare.Read, |
| | | 485 | | IODefaults.FileStreamBufferSize, |
| | | 486 | | FileOptions.Asynchronous); |
| | | 487 | | |
| | | 488 | | await JsonSerializer.SerializeAsync(logStream, state.MediaSource, cancellationToken: cancellationTokenSource.Tok |
| | | 489 | | var commandLineLogMessageBytes = Encoding.UTF8.GetBytes( |
| | | 490 | | Environment.NewLine |
| | | 491 | | + Environment.NewLine |
| | | 492 | | + process.StartInfo.FileName + " " + process.StartInfo.Arguments |
| | | 493 | | + Environment.NewLine |
| | | 494 | | + Environment.NewLine); |
| | | 495 | | |
| | | 496 | | await logStream.WriteAsync(commandLineLogMessageBytes, cancellationTokenSource.Token).ConfigureAwait(false); |
| | | 497 | | |
| | | 498 | | process.Exited += (_, _) => OnFfMpegProcessExited(process, transcodingJob, state); |
| | | 499 | | |
| | | 500 | | try |
| | | 501 | | { |
| | | 502 | | process.Start(); |
| | | 503 | | } |
| | | 504 | | catch (Exception ex) |
| | | 505 | | { |
| | | 506 | | _logger.LogError(ex, "Error starting FFmpeg"); |
| | | 507 | | OnTranscodeFailedToStart(outputPath, transcodingJobType, state); |
| | | 508 | | |
| | | 509 | | throw; |
| | | 510 | | } |
| | | 511 | | |
| | | 512 | | _logger.LogDebug("Launched FFmpeg process"); |
| | | 513 | | state.TranscodingJob = transcodingJob; |
| | | 514 | | |
| | | 515 | | // Important - don't await the log task or we won't be able to kill FFmpeg when the user stops playback |
| | | 516 | | _ = new JobLogger(_logger).StartStreamingLog(state, process.StandardError, logStream); |
| | | 517 | | |
| | | 518 | | // Wait for the file to exist before proceeding |
| | | 519 | | var ffmpegTargetFile = state.WaitForPath ?? outputPath; |
| | | 520 | | _logger.LogDebug("Waiting for the creation of {0}", ffmpegTargetFile); |
| | | 521 | | while (!File.Exists(ffmpegTargetFile) && !transcodingJob.HasExited) |
| | | 522 | | { |
| | | 523 | | await Task.Delay(100, cancellationTokenSource.Token).ConfigureAwait(false); |
| | | 524 | | } |
| | | 525 | | |
| | | 526 | | _logger.LogDebug("File {0} created or transcoding has finished", ffmpegTargetFile); |
| | | 527 | | |
| | | 528 | | if (state.IsInputVideo && transcodingJob.Type == TranscodingJobType.Progressive && !transcodingJob.HasExited) |
| | | 529 | | { |
| | | 530 | | await Task.Delay(1000, cancellationTokenSource.Token).ConfigureAwait(false); |
| | | 531 | | |
| | | 532 | | if (state.ReadInputAtNativeFramerate && !transcodingJob.HasExited) |
| | | 533 | | { |
| | | 534 | | await Task.Delay(1500, cancellationTokenSource.Token).ConfigureAwait(false); |
| | | 535 | | } |
| | | 536 | | } |
| | | 537 | | |
| | | 538 | | if (!transcodingJob.HasExited) |
| | | 539 | | { |
| | | 540 | | StartThrottler(state, transcodingJob); |
| | | 541 | | StartSegmentCleaner(state, transcodingJob); |
| | | 542 | | } |
| | | 543 | | else if (transcodingJob.ExitCode != 0) |
| | | 544 | | { |
| | | 545 | | throw new FfmpegException(string.Format(CultureInfo.InvariantCulture, "FFmpeg exited with code {0}", transco |
| | | 546 | | } |
| | | 547 | | |
| | | 548 | | _logger.LogDebug("StartFfMpeg() finished successfully"); |
| | | 549 | | |
| | | 550 | | return transcodingJob; |
| | | 551 | | } |
| | | 552 | | |
| | | 553 | | private void StartThrottler(StreamState state, TranscodingJob transcodingJob) |
| | | 554 | | { |
| | 0 | 555 | | if (EnableThrottling(state) |
| | 0 | 556 | | && (_mediaEncoder.IsPkeyPauseSupported |
| | 0 | 557 | | || _mediaEncoder.EncoderVersion <= _maxFFmpegCkeyPauseSupported)) |
| | | 558 | | { |
| | 0 | 559 | | transcodingJob.TranscodingThrottler = new TranscodingThrottler(transcodingJob, _loggerFactory.CreateLogger<T |
| | 0 | 560 | | transcodingJob.TranscodingThrottler.Start(); |
| | | 561 | | } |
| | 0 | 562 | | } |
| | | 563 | | |
| | | 564 | | private static bool EnableThrottling(StreamState state) |
| | 0 | 565 | | => state.InputProtocol == MediaProtocol.File |
| | 0 | 566 | | && state.RunTimeTicks.HasValue |
| | 0 | 567 | | && state.RunTimeTicks.Value >= TimeSpan.FromMinutes(5).Ticks |
| | 0 | 568 | | && state.IsInputVideo |
| | 0 | 569 | | && state.VideoType == VideoType.VideoFile; |
| | | 570 | | |
| | | 571 | | private void StartSegmentCleaner(StreamState state, TranscodingJob transcodingJob) |
| | | 572 | | { |
| | 0 | 573 | | if (EnableSegmentCleaning(state)) |
| | | 574 | | { |
| | 0 | 575 | | transcodingJob.TranscodingSegmentCleaner = new TranscodingSegmentCleaner(transcodingJob, _loggerFactory.Crea |
| | 0 | 576 | | transcodingJob.TranscodingSegmentCleaner.Start(); |
| | | 577 | | } |
| | 0 | 578 | | } |
| | | 579 | | |
| | | 580 | | private static bool EnableSegmentCleaning(StreamState state) |
| | 0 | 581 | | => state.InputProtocol is MediaProtocol.File or MediaProtocol.Http |
| | 0 | 582 | | && state.IsInputVideo |
| | 0 | 583 | | && state.TranscodingType == TranscodingJobType.Hls |
| | 0 | 584 | | && state.RunTimeTicks.HasValue |
| | 0 | 585 | | && state.RunTimeTicks.Value >= TimeSpan.FromMinutes(5).Ticks; |
| | | 586 | | |
| | | 587 | | private TranscodingJob OnTranscodeBeginning( |
| | | 588 | | string path, |
| | | 589 | | string? playSessionId, |
| | | 590 | | string? liveStreamId, |
| | | 591 | | string transcodingJobId, |
| | | 592 | | TranscodingJobType type, |
| | | 593 | | Process process, |
| | | 594 | | string? deviceId, |
| | | 595 | | StreamState state, |
| | | 596 | | CancellationTokenSource cancellationTokenSource) |
| | | 597 | | { |
| | 0 | 598 | | lock (_activeTranscodingJobs) |
| | | 599 | | { |
| | 0 | 600 | | var job = new TranscodingJob(_loggerFactory.CreateLogger<TranscodingJob>()) |
| | 0 | 601 | | { |
| | 0 | 602 | | Type = type, |
| | 0 | 603 | | Path = path, |
| | 0 | 604 | | Process = process, |
| | 0 | 605 | | ActiveRequestCount = 1, |
| | 0 | 606 | | DeviceId = deviceId, |
| | 0 | 607 | | CancellationTokenSource = cancellationTokenSource, |
| | 0 | 608 | | Id = transcodingJobId, |
| | 0 | 609 | | PlaySessionId = playSessionId, |
| | 0 | 610 | | LiveStreamId = liveStreamId, |
| | 0 | 611 | | MediaSource = state.MediaSource |
| | 0 | 612 | | }; |
| | | 613 | | |
| | 0 | 614 | | _activeTranscodingJobs.Add(job); |
| | | 615 | | |
| | 0 | 616 | | ReportTranscodingProgress(job, state, null, null, null, null, null); |
| | | 617 | | |
| | 0 | 618 | | return job; |
| | | 619 | | } |
| | 0 | 620 | | } |
| | | 621 | | |
| | | 622 | | /// <inheritdoc /> |
| | | 623 | | public void OnTranscodeEndRequest(TranscodingJob job) |
| | | 624 | | { |
| | 0 | 625 | | job.ActiveRequestCount--; |
| | 0 | 626 | | _logger.LogDebug("OnTranscodeEndRequest job.ActiveRequestCount={ActiveRequestCount}", job.ActiveRequestCount); |
| | 0 | 627 | | if (job.ActiveRequestCount <= 0) |
| | | 628 | | { |
| | 0 | 629 | | PingTimer(job, false); |
| | | 630 | | } |
| | 0 | 631 | | } |
| | | 632 | | |
| | | 633 | | private void OnTranscodeFailedToStart(string path, TranscodingJobType type, StreamState state) |
| | | 634 | | { |
| | 0 | 635 | | lock (_activeTranscodingJobs) |
| | | 636 | | { |
| | 0 | 637 | | var job = _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringCom |
| | | 638 | | |
| | 0 | 639 | | if (job is not null) |
| | | 640 | | { |
| | 0 | 641 | | _activeTranscodingJobs.Remove(job); |
| | | 642 | | } |
| | 0 | 643 | | } |
| | | 644 | | |
| | 0 | 645 | | if (!string.IsNullOrWhiteSpace(state.Request.DeviceId)) |
| | | 646 | | { |
| | 0 | 647 | | _sessionManager.ClearTranscodingInfo(state.Request.DeviceId); |
| | | 648 | | } |
| | 0 | 649 | | } |
| | | 650 | | |
| | | 651 | | private void OnFfMpegProcessExited(Process process, TranscodingJob job, StreamState state) |
| | | 652 | | { |
| | 0 | 653 | | job.HasExited = true; |
| | 0 | 654 | | job.ExitCode = process.ExitCode; |
| | | 655 | | |
| | 0 | 656 | | ReportTranscodingProgress(job, state, null, null, null, null, null); |
| | | 657 | | |
| | 0 | 658 | | _logger.LogDebug("Disposing stream resources"); |
| | 0 | 659 | | state.Dispose(); |
| | | 660 | | |
| | 0 | 661 | | if (process.ExitCode == 0) |
| | | 662 | | { |
| | 0 | 663 | | _logger.LogInformation("FFmpeg exited with code 0"); |
| | | 664 | | } |
| | | 665 | | else |
| | | 666 | | { |
| | 0 | 667 | | _logger.LogError("FFmpeg exited with code {0}", process.ExitCode); |
| | | 668 | | } |
| | | 669 | | |
| | 0 | 670 | | job.Dispose(); |
| | 0 | 671 | | } |
| | | 672 | | |
| | | 673 | | private async Task AcquireResources(StreamState state, CancellationTokenSource cancellationTokenSource) |
| | | 674 | | { |
| | | 675 | | if (state.MediaSource.RequiresOpening && string.IsNullOrWhiteSpace(state.Request.LiveStreamId)) |
| | | 676 | | { |
| | | 677 | | var liveStreamResponse = await _mediaSourceManager.OpenLiveStream( |
| | | 678 | | new LiveStreamRequest { OpenToken = state.MediaSource.OpenToken }, |
| | | 679 | | cancellationTokenSource.Token) |
| | | 680 | | .ConfigureAwait(false); |
| | | 681 | | var encodingOptions = _serverConfigurationManager.GetEncodingOptions(); |
| | | 682 | | |
| | | 683 | | _encodingHelper.AttachMediaSourceInfo(state, encodingOptions, liveStreamResponse.MediaSource, state.Requeste |
| | | 684 | | |
| | | 685 | | if (state.VideoRequest is not null) |
| | | 686 | | { |
| | | 687 | | _encodingHelper.TryStreamCopy(state); |
| | | 688 | | } |
| | | 689 | | } |
| | | 690 | | |
| | | 691 | | if (state.MediaSource.BufferMs.HasValue) |
| | | 692 | | { |
| | | 693 | | await Task.Delay(state.MediaSource.BufferMs.Value, cancellationTokenSource.Token).ConfigureAwait(false); |
| | | 694 | | } |
| | | 695 | | } |
| | | 696 | | |
| | | 697 | | /// <inheritdoc /> |
| | | 698 | | public TranscodingJob? OnTranscodeBeginRequest(string path, TranscodingJobType type) |
| | | 699 | | { |
| | 0 | 700 | | lock (_activeTranscodingJobs) |
| | | 701 | | { |
| | 0 | 702 | | var job = _activeTranscodingJobs |
| | 0 | 703 | | .FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase)); |
| | | 704 | | |
| | 0 | 705 | | if (job is null) |
| | | 706 | | { |
| | 0 | 707 | | return null; |
| | | 708 | | } |
| | | 709 | | |
| | 0 | 710 | | job.ActiveRequestCount++; |
| | 0 | 711 | | if (string.IsNullOrWhiteSpace(job.PlaySessionId) || job.Type == TranscodingJobType.Progressive) |
| | | 712 | | { |
| | 0 | 713 | | job.StopKillTimer(); |
| | | 714 | | } |
| | | 715 | | |
| | 0 | 716 | | return job; |
| | | 717 | | } |
| | 0 | 718 | | } |
| | | 719 | | |
| | | 720 | | private void OnPlaybackProgress(object? sender, PlaybackProgressEventArgs e) |
| | | 721 | | { |
| | 0 | 722 | | if (!string.IsNullOrWhiteSpace(e.PlaySessionId)) |
| | | 723 | | { |
| | 0 | 724 | | PingTranscodingJob(e.PlaySessionId, e.IsPaused); |
| | | 725 | | } |
| | 0 | 726 | | } |
| | | 727 | | |
| | | 728 | | private void DeleteEncodedMediaCache() |
| | | 729 | | { |
| | 2 | 730 | | var path = _serverConfigurationManager.GetTranscodePath(); |
| | 2 | 731 | | if (!Directory.Exists(path)) |
| | | 732 | | { |
| | 0 | 733 | | return; |
| | | 734 | | } |
| | | 735 | | |
| | 4 | 736 | | foreach (var file in _fileSystem.GetFilePaths(path, true)) |
| | | 737 | | { |
| | | 738 | | try |
| | | 739 | | { |
| | 0 | 740 | | _fileSystem.DeleteFile(file); |
| | 0 | 741 | | } |
| | 0 | 742 | | catch (Exception ex) |
| | | 743 | | { |
| | 0 | 744 | | _logger.LogError(ex, "Error deleting encoded media cache file {Path}", path); |
| | 0 | 745 | | } |
| | | 746 | | } |
| | 2 | 747 | | } |
| | | 748 | | |
| | | 749 | | /// <summary> |
| | | 750 | | /// Transcoding lock. |
| | | 751 | | /// </summary> |
| | | 752 | | /// <param name="outputPath">The output path of the transcoded file.</param> |
| | | 753 | | /// <param name="cancellationToken">The cancellation token.</param> |
| | | 754 | | /// <returns>An <see cref="IDisposable"/>.</returns> |
| | | 755 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 756 | | public ValueTask<IDisposable> LockAsync(string outputPath, CancellationToken cancellationToken) |
| | | 757 | | { |
| | 0 | 758 | | return _transcodingLocks.LockAsync(outputPath, cancellationToken); |
| | | 759 | | } |
| | | 760 | | |
| | | 761 | | /// <inheritdoc /> |
| | | 762 | | public void Dispose() |
| | | 763 | | { |
| | 2 | 764 | | _sessionManager.PlaybackProgress -= OnPlaybackProgress; |
| | 2 | 765 | | _sessionManager.PlaybackStart -= OnPlaybackProgress; |
| | 2 | 766 | | _transcodingLocks.Dispose(); |
| | 2 | 767 | | } |
| | | 768 | | } |