StreamBuilder.cs 93 KB

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  1. #nullable disable
  2. using System;
  3. using System.Collections.Generic;
  4. using System.Globalization;
  5. using System.Linq;
  6. using MediaBrowser.Model.Dto;
  7. using MediaBrowser.Model.Entities;
  8. using MediaBrowser.Model.MediaInfo;
  9. using MediaBrowser.Model.Session;
  10. using Microsoft.Extensions.Logging;
  11. namespace MediaBrowser.Model.Dlna
  12. {
  13. /// <summary>
  14. /// Class StreamBuilder.
  15. /// </summary>
  16. public class StreamBuilder
  17. {
  18. // Aliases
  19. internal const TranscodeReason ContainerReasons = TranscodeReason.ContainerNotSupported | TranscodeReason.ContainerBitrateExceedsLimit;
  20. internal const TranscodeReason AudioReasons = TranscodeReason.AudioCodecNotSupported | TranscodeReason.AudioBitrateNotSupported | TranscodeReason.AudioChannelsNotSupported | TranscodeReason.AudioProfileNotSupported | TranscodeReason.AudioSampleRateNotSupported | TranscodeReason.SecondaryAudioNotSupported | TranscodeReason.AudioBitDepthNotSupported | TranscodeReason.AudioIsExternal;
  21. internal const TranscodeReason VideoReasons = TranscodeReason.VideoCodecNotSupported | TranscodeReason.VideoResolutionNotSupported | TranscodeReason.AnamorphicVideoNotSupported | TranscodeReason.InterlacedVideoNotSupported | TranscodeReason.VideoBitDepthNotSupported | TranscodeReason.VideoBitrateNotSupported | TranscodeReason.VideoFramerateNotSupported | TranscodeReason.VideoLevelNotSupported | TranscodeReason.RefFramesNotSupported;
  22. internal const TranscodeReason DirectStreamReasons = AudioReasons | TranscodeReason.ContainerNotSupported;
  23. private readonly ILogger _logger;
  24. private readonly ITranscoderSupport _transcoderSupport;
  25. /// <summary>
  26. /// Initializes a new instance of the <see cref="StreamBuilder"/> class.
  27. /// </summary>
  28. /// <param name="transcoderSupport">The <see cref="ITranscoderSupport"/> object.</param>
  29. /// <param name="logger">The <see cref="ILogger"/> object.</param>
  30. public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)
  31. {
  32. _transcoderSupport = transcoderSupport;
  33. _logger = logger;
  34. }
  35. /// <summary>
  36. /// Initializes a new instance of the <see cref="StreamBuilder"/> class.
  37. /// </summary>
  38. /// <param name="logger">The <see cref="ILogger"/> object.</param>
  39. public StreamBuilder(ILogger<StreamBuilder> logger)
  40. : this(new FullTranscoderSupport(), logger)
  41. {
  42. }
  43. /// <summary>
  44. /// Gets the optimal audio stream.
  45. /// </summary>
  46. /// <param name="options">The <see cref="MediaOptions"/> object to get the audio stream from.</param>
  47. /// <returns>The <see cref="StreamInfo"/> of the optimal audio stream.</returns>
  48. public StreamInfo GetOptimalAudioStream(MediaOptions options)
  49. {
  50. ValidateMediaOptions(options, false);
  51. var mediaSources = new List<MediaSourceInfo>();
  52. foreach (var mediaSource in options.MediaSources)
  53. {
  54. if (string.IsNullOrEmpty(options.MediaSourceId) ||
  55. string.Equals(mediaSource.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
  56. {
  57. mediaSources.Add(mediaSource);
  58. }
  59. }
  60. var streams = new List<StreamInfo>();
  61. foreach (var mediaSourceInfo in mediaSources)
  62. {
  63. StreamInfo streamInfo = GetOptimalAudioStream(mediaSourceInfo, options);
  64. if (streamInfo is not null)
  65. {
  66. streams.Add(streamInfo);
  67. }
  68. }
  69. foreach (var stream in streams)
  70. {
  71. stream.DeviceId = options.DeviceId;
  72. stream.DeviceProfileId = options.Profile.Id;
  73. }
  74. return GetOptimalStream(streams, options.GetMaxBitrate(true) ?? 0);
  75. }
  76. private StreamInfo GetOptimalAudioStream(MediaSourceInfo item, MediaOptions options)
  77. {
  78. var playlistItem = new StreamInfo
  79. {
  80. ItemId = options.ItemId,
  81. MediaType = DlnaProfileType.Audio,
  82. MediaSource = item,
  83. RunTimeTicks = item.RunTimeTicks,
  84. Context = options.Context,
  85. DeviceProfile = options.Profile
  86. };
  87. if (options.ForceDirectPlay)
  88. {
  89. playlistItem.PlayMethod = PlayMethod.DirectPlay;
  90. playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);
  91. return playlistItem;
  92. }
  93. if (options.ForceDirectStream)
  94. {
  95. playlistItem.PlayMethod = PlayMethod.DirectStream;
  96. playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);
  97. return playlistItem;
  98. }
  99. MediaStream audioStream = item.GetDefaultAudioStream(null);
  100. var directPlayInfo = GetAudioDirectPlayProfile(item, audioStream, options);
  101. var directPlayMethod = directPlayInfo.PlayMethod;
  102. var transcodeReasons = directPlayInfo.TranscodeReasons;
  103. var inputAudioChannels = audioStream?.Channels;
  104. var inputAudioBitrate = audioStream?.BitDepth;
  105. var inputAudioSampleRate = audioStream?.SampleRate;
  106. var inputAudioBitDepth = audioStream?.BitDepth;
  107. if (directPlayMethod.HasValue)
  108. {
  109. var profile = options.Profile;
  110. var audioFailureConditions = GetProfileConditionsForAudio(profile.CodecProfiles, item.Container, audioStream?.Codec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, true);
  111. var audioFailureReasons = AggregateFailureConditions(item, profile, "AudioCodecProfile", audioFailureConditions);
  112. transcodeReasons |= audioFailureReasons;
  113. if (audioFailureReasons == 0)
  114. {
  115. playlistItem.PlayMethod = directPlayMethod.Value;
  116. playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio, directPlayInfo.Profile);
  117. return playlistItem;
  118. }
  119. }
  120. TranscodingProfile transcodingProfile = null;
  121. foreach (var tcProfile in options.Profile.TranscodingProfiles)
  122. {
  123. if (tcProfile.Type == playlistItem.MediaType
  124. && tcProfile.Context == options.Context
  125. && _transcoderSupport.CanEncodeToAudioCodec(transcodingProfile.AudioCodec ?? tcProfile.Container))
  126. {
  127. transcodingProfile = tcProfile;
  128. break;
  129. }
  130. }
  131. if (transcodingProfile != null)
  132. {
  133. if (!item.SupportsTranscoding)
  134. {
  135. return null;
  136. }
  137. SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
  138. var audioTranscodingConditions = GetProfileConditionsForAudio(options.Profile.CodecProfiles, transcodingProfile.Container, transcodingProfile.AudioCodec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, false).ToArray();
  139. ApplyTranscodingConditions(playlistItem, audioTranscodingConditions, null, true, true);
  140. // Honor requested max channels
  141. playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
  142. var configuredBitrate = options.GetMaxBitrate(true);
  143. long transcodingBitrate = options.AudioTranscodingBitrate
  144. ?? (options.Context == EncodingContext.Streaming ? options.Profile.MusicStreamingTranscodingBitrate : null)
  145. ?? configuredBitrate
  146. ?? 128000;
  147. if (configuredBitrate.HasValue)
  148. {
  149. transcodingBitrate = Math.Min(configuredBitrate.Value, transcodingBitrate);
  150. }
  151. var longBitrate = Math.Min(transcodingBitrate, playlistItem.AudioBitrate ?? transcodingBitrate);
  152. playlistItem.AudioBitrate = longBitrate > int.MaxValue ? int.MaxValue : Convert.ToInt32(longBitrate);
  153. }
  154. playlistItem.TranscodeReasons = transcodeReasons;
  155. return playlistItem;
  156. }
  157. /// <summary>
  158. /// Gets the optimal video stream.
  159. /// </summary>
  160. /// <param name="options">The <see cref="MediaOptions"/> object to get the video stream from.</param>
  161. /// <returns>The <see cref="StreamInfo"/> of the optimal video stream.</returns>
  162. public StreamInfo GetOptimalVideoStream(MediaOptions options)
  163. {
  164. ValidateMediaOptions(options, true);
  165. var mediaSources = new List<MediaSourceInfo>();
  166. foreach (var mediaSourceInfo in options.MediaSources)
  167. {
  168. if (string.IsNullOrEmpty(options.MediaSourceId) ||
  169. string.Equals(mediaSourceInfo.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
  170. {
  171. mediaSources.Add(mediaSourceInfo);
  172. }
  173. }
  174. var streams = new List<StreamInfo>();
  175. foreach (var mediaSourceInfo in mediaSources)
  176. {
  177. var streamInfo = BuildVideoItem(mediaSourceInfo, options);
  178. if (streamInfo is not null)
  179. {
  180. streams.Add(streamInfo);
  181. }
  182. }
  183. foreach (var stream in streams)
  184. {
  185. stream.DeviceId = options.DeviceId;
  186. stream.DeviceProfileId = options.Profile.Id;
  187. }
  188. return GetOptimalStream(streams, options.GetMaxBitrate(false) ?? 0);
  189. }
  190. private static StreamInfo GetOptimalStream(List<StreamInfo> streams, long maxBitrate)
  191. => SortMediaSources(streams, maxBitrate).FirstOrDefault();
  192. private static IOrderedEnumerable<StreamInfo> SortMediaSources(List<StreamInfo> streams, long maxBitrate)
  193. {
  194. return streams.OrderBy(i =>
  195. {
  196. // Nothing beats direct playing a file
  197. if (i.PlayMethod == PlayMethod.DirectPlay && i.MediaSource.Protocol == MediaProtocol.File)
  198. {
  199. return 0;
  200. }
  201. return 1;
  202. }).ThenBy(i =>
  203. {
  204. switch (i.PlayMethod)
  205. {
  206. // Let's assume direct streaming a file is just as desirable as direct playing a remote url
  207. case PlayMethod.DirectStream:
  208. case PlayMethod.DirectPlay:
  209. return 0;
  210. default:
  211. return 1;
  212. }
  213. }).ThenBy(i =>
  214. {
  215. switch (i.MediaSource.Protocol)
  216. {
  217. case MediaProtocol.File:
  218. return 0;
  219. default:
  220. return 1;
  221. }
  222. }).ThenBy(i =>
  223. {
  224. if (maxBitrate > 0)
  225. {
  226. if (i.MediaSource.Bitrate.HasValue)
  227. {
  228. return Math.Abs(i.MediaSource.Bitrate.Value - maxBitrate);
  229. }
  230. }
  231. return 0;
  232. }).ThenBy(streams.IndexOf);
  233. }
  234. private static TranscodeReason GetTranscodeReasonForFailedCondition(ProfileCondition condition)
  235. {
  236. switch (condition.Property)
  237. {
  238. case ProfileConditionValue.AudioBitrate:
  239. return TranscodeReason.AudioBitrateNotSupported;
  240. case ProfileConditionValue.AudioChannels:
  241. return TranscodeReason.AudioChannelsNotSupported;
  242. case ProfileConditionValue.AudioProfile:
  243. return TranscodeReason.AudioProfileNotSupported;
  244. case ProfileConditionValue.AudioSampleRate:
  245. return TranscodeReason.AudioSampleRateNotSupported;
  246. case ProfileConditionValue.Has64BitOffsets:
  247. // TODO
  248. return 0;
  249. case ProfileConditionValue.Height:
  250. return TranscodeReason.VideoResolutionNotSupported;
  251. case ProfileConditionValue.IsAnamorphic:
  252. return TranscodeReason.AnamorphicVideoNotSupported;
  253. case ProfileConditionValue.IsAvc:
  254. // TODO
  255. return 0;
  256. case ProfileConditionValue.IsInterlaced:
  257. return TranscodeReason.InterlacedVideoNotSupported;
  258. case ProfileConditionValue.IsSecondaryAudio:
  259. return TranscodeReason.SecondaryAudioNotSupported;
  260. case ProfileConditionValue.NumAudioStreams:
  261. // TODO
  262. return 0;
  263. case ProfileConditionValue.NumVideoStreams:
  264. // TODO
  265. return 0;
  266. case ProfileConditionValue.PacketLength:
  267. // TODO
  268. return 0;
  269. case ProfileConditionValue.RefFrames:
  270. return TranscodeReason.RefFramesNotSupported;
  271. case ProfileConditionValue.VideoBitDepth:
  272. return TranscodeReason.VideoBitDepthNotSupported;
  273. case ProfileConditionValue.AudioBitDepth:
  274. return TranscodeReason.AudioBitDepthNotSupported;
  275. case ProfileConditionValue.VideoBitrate:
  276. return TranscodeReason.VideoBitrateNotSupported;
  277. case ProfileConditionValue.VideoCodecTag:
  278. return TranscodeReason.VideoCodecNotSupported;
  279. case ProfileConditionValue.VideoFramerate:
  280. return TranscodeReason.VideoFramerateNotSupported;
  281. case ProfileConditionValue.VideoLevel:
  282. return TranscodeReason.VideoLevelNotSupported;
  283. case ProfileConditionValue.VideoProfile:
  284. return TranscodeReason.VideoProfileNotSupported;
  285. case ProfileConditionValue.VideoRangeType:
  286. return TranscodeReason.VideoRangeTypeNotSupported;
  287. case ProfileConditionValue.VideoTimestamp:
  288. // TODO
  289. return 0;
  290. case ProfileConditionValue.Width:
  291. return TranscodeReason.VideoResolutionNotSupported;
  292. default:
  293. return 0;
  294. }
  295. }
  296. /// <summary>
  297. /// Normalizes input container.
  298. /// </summary>
  299. /// <param name="inputContainer">The input container.</param>
  300. /// <param name="profile">The <see cref="DeviceProfile"/>.</param>
  301. /// <param name="type">The <see cref="DlnaProfileType"/>.</param>
  302. /// <param name="playProfile">The <see cref="DirectPlayProfile"/> object to get the video stream from.</param>
  303. /// <returns>The the normalized input container.</returns>
  304. public static string NormalizeMediaSourceFormatIntoSingleContainer(string inputContainer, DeviceProfile profile, DlnaProfileType type, DirectPlayProfile playProfile = null)
  305. {
  306. if (string.IsNullOrEmpty(inputContainer))
  307. {
  308. return null;
  309. }
  310. var formats = ContainerProfile.SplitValue(inputContainer);
  311. if (profile is not null)
  312. {
  313. var playProfiles = playProfile is null ? profile.DirectPlayProfiles : new[] { playProfile };
  314. foreach (var format in formats)
  315. {
  316. foreach (var directPlayProfile in playProfiles)
  317. {
  318. if (directPlayProfile.Type == type
  319. && directPlayProfile.SupportsContainer(format))
  320. {
  321. return format;
  322. }
  323. }
  324. }
  325. }
  326. return formats[0];
  327. }
  328. private (DirectPlayProfile Profile, PlayMethod? PlayMethod, TranscodeReason TranscodeReasons) GetAudioDirectPlayProfile(MediaSourceInfo item, MediaStream audioStream, MediaOptions options)
  329. {
  330. var directPlayProfile = options.Profile.DirectPlayProfiles
  331. .FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(x, item, audioStream));
  332. if (directPlayProfile is null)
  333. {
  334. _logger.LogDebug(
  335. "Profile: {0}, No audio direct play profiles found for {1} with codec {2}",
  336. options.Profile.Name ?? "Unknown Profile",
  337. item.Path ?? "Unknown path",
  338. audioStream.Codec ?? "Unknown codec");
  339. return (null, null, GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));
  340. }
  341. var playMethods = new List<PlayMethod>();
  342. TranscodeReason transcodeReasons = 0;
  343. // The profile describes what the device supports
  344. // If device requirements are satisfied then allow both direct stream and direct play
  345. if (item.SupportsDirectPlay)
  346. {
  347. if (!IsBitrateLimitExceeded(item, options.GetMaxBitrate(true) ?? 0))
  348. {
  349. if (options.EnableDirectPlay)
  350. {
  351. return (directPlayProfile, PlayMethod.DirectPlay, 0);
  352. }
  353. }
  354. else
  355. {
  356. transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
  357. }
  358. }
  359. // While options takes the network and other factors into account. Only applies to direct stream
  360. if (item.SupportsDirectStream)
  361. {
  362. if (!IsBitrateLimitExceeded(item, options.GetMaxBitrate(true) ?? 0))
  363. {
  364. if (options.EnableDirectStream)
  365. {
  366. return (directPlayProfile, PlayMethod.DirectStream, transcodeReasons);
  367. }
  368. }
  369. else
  370. {
  371. transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
  372. }
  373. }
  374. return (directPlayProfile, null, transcodeReasons);
  375. }
  376. private static TranscodeReason GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream, IEnumerable<DirectPlayProfile> directPlayProfiles)
  377. {
  378. var mediaType = videoStream is null ? DlnaProfileType.Audio : DlnaProfileType.Video;
  379. var containerSupported = false;
  380. var audioSupported = false;
  381. var videoSupported = false;
  382. foreach (var profile in directPlayProfiles)
  383. {
  384. // Check container type
  385. if (profile.Type == mediaType && profile.SupportsContainer(item.Container))
  386. {
  387. containerSupported = true;
  388. videoSupported = videoStream is null || profile.SupportsVideoCodec(videoStream.Codec);
  389. audioSupported = audioStream is null || profile.SupportsAudioCodec(audioStream.Codec);
  390. if (videoSupported && audioSupported)
  391. {
  392. break;
  393. }
  394. }
  395. }
  396. TranscodeReason reasons = 0;
  397. if (!containerSupported)
  398. {
  399. reasons |= TranscodeReason.ContainerNotSupported;
  400. }
  401. if (!videoSupported)
  402. {
  403. reasons |= TranscodeReason.VideoCodecNotSupported;
  404. }
  405. if (!audioSupported)
  406. {
  407. reasons |= TranscodeReason.AudioCodecNotSupported;
  408. }
  409. return reasons;
  410. }
  411. private static int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
  412. {
  413. int highestScore = -1;
  414. foreach (var stream in item.MediaStreams)
  415. {
  416. if (stream.Type == MediaStreamType.Subtitle
  417. && stream.Score.HasValue
  418. && stream.Score.Value > highestScore)
  419. {
  420. highestScore = stream.Score.Value;
  421. }
  422. }
  423. var topStreams = new List<MediaStream>();
  424. foreach (var stream in item.MediaStreams)
  425. {
  426. if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue && stream.Score.Value == highestScore)
  427. {
  428. topStreams.Add(stream);
  429. }
  430. }
  431. // If multiple streams have an equal score, try to pick the most efficient one
  432. if (topStreams.Count > 1)
  433. {
  434. foreach (var stream in topStreams)
  435. {
  436. foreach (var profile in subtitleProfiles)
  437. {
  438. if (profile.Method == SubtitleDeliveryMethod.External && string.Equals(profile.Format, stream.Codec, StringComparison.OrdinalIgnoreCase))
  439. {
  440. return stream.Index;
  441. }
  442. }
  443. }
  444. }
  445. // If no optimization panned out, just use the original default
  446. return item.DefaultSubtitleStreamIndex;
  447. }
  448. private static void SetStreamInfoOptionsFromTranscodingProfile(MediaSourceInfo item, StreamInfo playlistItem, TranscodingProfile transcodingProfile)
  449. {
  450. var container = transcodingProfile.Container;
  451. var protocol = transcodingProfile.Protocol;
  452. item.TranscodingContainer = container;
  453. item.TranscodingSubProtocol = protocol;
  454. if (playlistItem.PlayMethod == PlayMethod.Transcode)
  455. {
  456. playlistItem.Container = container;
  457. playlistItem.SubProtocol = protocol;
  458. }
  459. playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
  460. if (!string.IsNullOrEmpty(transcodingProfile.MaxAudioChannels)
  461. && int.TryParse(transcodingProfile.MaxAudioChannels, NumberStyles.Any, CultureInfo.InvariantCulture, out int transcodingMaxAudioChannels))
  462. {
  463. playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
  464. }
  465. playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
  466. playlistItem.CopyTimestamps = transcodingProfile.CopyTimestamps;
  467. playlistItem.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;
  468. playlistItem.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
  469. playlistItem.BreakOnNonKeyFrames = transcodingProfile.BreakOnNonKeyFrames;
  470. if (transcodingProfile.MinSegments > 0)
  471. {
  472. playlistItem.MinSegments = transcodingProfile.MinSegments;
  473. }
  474. if (transcodingProfile.SegmentLength > 0)
  475. {
  476. playlistItem.SegmentLength = transcodingProfile.SegmentLength;
  477. }
  478. }
  479. private static void SetStreamInfoOptionsFromDirectPlayProfile(MediaOptions options, MediaSourceInfo item, StreamInfo playlistItem, DirectPlayProfile directPlayProfile)
  480. {
  481. var container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);
  482. var protocol = "http";
  483. item.TranscodingContainer = container;
  484. item.TranscodingSubProtocol = protocol;
  485. playlistItem.Container = container;
  486. playlistItem.SubProtocol = protocol;
  487. playlistItem.VideoCodecs = new[] { item.VideoStream.Codec };
  488. playlistItem.AudioCodecs = ContainerProfile.SplitValue(directPlayProfile.AudioCodec);
  489. }
  490. private StreamInfo BuildVideoItem(MediaSourceInfo item, MediaOptions options)
  491. {
  492. ArgumentNullException.ThrowIfNull(item);
  493. StreamInfo playlistItem = new StreamInfo
  494. {
  495. ItemId = options.ItemId,
  496. MediaType = DlnaProfileType.Video,
  497. MediaSource = item,
  498. RunTimeTicks = item.RunTimeTicks,
  499. Context = options.Context,
  500. DeviceProfile = options.Profile
  501. };
  502. playlistItem.SubtitleStreamIndex = options.SubtitleStreamIndex ?? GetDefaultSubtitleStreamIndex(item, options.Profile.SubtitleProfiles);
  503. var subtitleStream = playlistItem.SubtitleStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Subtitle, playlistItem.SubtitleStreamIndex.Value) : null;
  504. var audioStream = item.GetDefaultAudioStream(options.AudioStreamIndex ?? item.DefaultAudioStreamIndex);
  505. if (audioStream is not null)
  506. {
  507. playlistItem.AudioStreamIndex = audioStream.Index;
  508. }
  509. // Collect candidate audio streams
  510. ICollection<MediaStream> candidateAudioStreams = audioStream is null ? Array.Empty<MediaStream>() : new[] { audioStream };
  511. if (!options.AudioStreamIndex.HasValue || options.AudioStreamIndex < 0)
  512. {
  513. if (audioStream?.IsDefault == true)
  514. {
  515. candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.IsDefault).ToArray();
  516. }
  517. else
  518. {
  519. candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.Language == audioStream?.Language).ToArray();
  520. }
  521. }
  522. var videoStream = item.VideoStream;
  523. var bitrateLimitExceeded = IsBitrateLimitExceeded(item, options.GetMaxBitrate(false) ?? 0);
  524. var isEligibleForDirectPlay = options.EnableDirectPlay && (options.ForceDirectPlay || !bitrateLimitExceeded);
  525. var isEligibleForDirectStream = options.EnableDirectStream && (options.ForceDirectStream || !bitrateLimitExceeded);
  526. TranscodeReason transcodeReasons = 0;
  527. if (bitrateLimitExceeded)
  528. {
  529. transcodeReasons = TranscodeReason.ContainerBitrateExceedsLimit;
  530. }
  531. _logger.LogDebug(
  532. "Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",
  533. options.Profile.Name ?? "Unknown Profile",
  534. item.Path ?? "Unknown path",
  535. isEligibleForDirectPlay,
  536. isEligibleForDirectStream);
  537. DirectPlayProfile directPlayProfile = null;
  538. if (isEligibleForDirectPlay || isEligibleForDirectStream)
  539. {
  540. // See if it can be direct played
  541. var directPlayInfo = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, candidateAudioStreams, subtitleStream, isEligibleForDirectPlay, isEligibleForDirectStream);
  542. var directPlay = directPlayInfo.PlayMethod;
  543. transcodeReasons |= directPlayInfo.TranscodeReasons;
  544. if (directPlay.HasValue)
  545. {
  546. directPlayProfile = directPlayInfo.Profile;
  547. playlistItem.PlayMethod = directPlay.Value;
  548. playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);
  549. playlistItem.VideoCodecs = new[] { videoStream.Codec };
  550. if (directPlay == PlayMethod.DirectPlay)
  551. {
  552. playlistItem.SubProtocol = "http";
  553. var audioStreamIndex = directPlayInfo.AudioStreamIndex ?? audioStream?.Index;
  554. if (audioStreamIndex.HasValue)
  555. {
  556. playlistItem.AudioStreamIndex = audioStreamIndex;
  557. playlistItem.AudioCodecs = new[] { item.GetMediaStream(MediaStreamType.Audio, audioStreamIndex.Value)?.Codec };
  558. }
  559. }
  560. else if (directPlay == PlayMethod.DirectStream)
  561. {
  562. playlistItem.AudioStreamIndex = audioStream?.Index;
  563. if (audioStream is not null)
  564. {
  565. playlistItem.AudioCodecs = ContainerProfile.SplitValue(directPlayProfile.AudioCodec);
  566. }
  567. SetStreamInfoOptionsFromDirectPlayProfile(options, item, playlistItem, directPlayProfile);
  568. BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStreams, directPlayProfile.Container, directPlayProfile.VideoCodec, directPlayProfile.AudioCodec);
  569. }
  570. if (subtitleStream is not null)
  571. {
  572. var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value, _transcoderSupport, directPlayProfile.Container, null);
  573. playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
  574. playlistItem.SubtitleFormat = subtitleProfile.Format;
  575. }
  576. }
  577. _logger.LogDebug(
  578. "DirectPlay Result for Profile: {0}, Path: {1}, PlayMethod: {2}, AudioStreamIndex: {3}, SubtitleStreamIndex: {4}, Reasons: {5}",
  579. options.Profile.Name ?? "Anonymous Profile",
  580. item.Path ?? "Unknown path",
  581. directPlayInfo.PlayMethod,
  582. directPlayInfo.AudioStreamIndex ?? audioStream?.Index,
  583. playlistItem.SubtitleStreamIndex,
  584. directPlayInfo.TranscodeReasons);
  585. }
  586. playlistItem.TranscodeReasons = transcodeReasons;
  587. if (playlistItem.PlayMethod != PlayMethod.DirectStream && playlistItem.PlayMethod != PlayMethod.DirectPlay)
  588. {
  589. // Can't direct play, find the transcoding profile
  590. // If we do this for direct-stream we will overwrite the info
  591. var transcodingProfile = GetVideoTranscodeProfile(item, options, videoStream, audioStream, candidateAudioStreams, subtitleStream, playlistItem);
  592. if (transcodingProfile is not null)
  593. {
  594. SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
  595. BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStreams, transcodingProfile.Container, transcodingProfile.VideoCodec, transcodingProfile.AudioCodec);
  596. playlistItem.PlayMethod = PlayMethod.Transcode;
  597. if (subtitleStream is not null)
  598. {
  599. var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode, _transcoderSupport, transcodingProfile.Container, transcodingProfile.Protocol);
  600. playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
  601. playlistItem.SubtitleFormat = subtitleProfile.Format;
  602. playlistItem.SubtitleCodecs = new[] { subtitleProfile.Format };
  603. }
  604. if ((playlistItem.TranscodeReasons & (VideoReasons | TranscodeReason.ContainerBitrateExceedsLimit)) != 0)
  605. {
  606. ApplyTranscodingConditions(playlistItem, transcodingProfile.Conditions, null, true, true);
  607. }
  608. }
  609. }
  610. _logger.LogDebug(
  611. "StreamBuilder.BuildVideoItem( Profile={0}, Path={1}, AudioStreamIndex={2}, SubtitleStreamIndex={3} ) => ( PlayMethod={4}, TranscodeReason={5} ) {6}",
  612. options.Profile.Name ?? "Anonymous Profile",
  613. item.Path ?? "Unknown path",
  614. options.AudioStreamIndex,
  615. options.SubtitleStreamIndex,
  616. playlistItem.PlayMethod,
  617. playlistItem.TranscodeReasons,
  618. playlistItem.ToUrl("media:", "<token>"));
  619. item.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);
  620. return playlistItem;
  621. }
  622. private TranscodingProfile GetVideoTranscodeProfile(MediaSourceInfo item, MediaOptions options, MediaStream videoStream, MediaStream audioStream, IEnumerable<MediaStream> candidateAudioStreams, MediaStream subtitleStream, StreamInfo playlistItem)
  623. {
  624. if (!(item.SupportsTranscoding || item.SupportsDirectStream))
  625. {
  626. return null;
  627. }
  628. var transcodingProfiles = options.Profile.TranscodingProfiles
  629. .Where(i => i.Type == playlistItem.MediaType && i.Context == options.Context);
  630. if (options.AllowVideoStreamCopy)
  631. {
  632. // prefer direct copy profile
  633. float videoFramerate = videoStream is null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
  634. TransportStreamTimestamp? timestamp = videoStream is null ? TransportStreamTimestamp.None : item.Timestamp;
  635. int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);
  636. int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);
  637. transcodingProfiles = transcodingProfiles.ToLookup(transcodingProfile =>
  638. {
  639. var videoCodecs = ContainerProfile.SplitValue(transcodingProfile.VideoCodec);
  640. if (ContainerProfile.ContainsContainer(videoCodecs, item.VideoStream?.Codec))
  641. {
  642. var videoCodec = transcodingProfile.VideoCodec;
  643. var container = transcodingProfile.Container;
  644. var appliedVideoConditions = options.Profile.CodecProfiles
  645. .Where(i => i.Type == CodecType.Video &&
  646. i.ContainsAnyCodec(videoCodec, container) &&
  647. i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition, videoStream?.Width, videoStream?.Height, videoStream?.BitDepth, videoStream?.BitRate, videoStream?.Profile, videoStream?.VideoRangeType, videoStream?.Level, videoFramerate, videoStream?.PacketLength, timestamp, videoStream?.IsAnamorphic, videoStream?.IsInterlaced, videoStream?.RefFrames, numVideoStreams, numAudioStreams, videoStream?.CodecTag, videoStream?.IsAVC)))
  648. .Select(i =>
  649. i.Conditions.All(condition => ConditionProcessor.IsVideoConditionSatisfied(condition, videoStream?.Width, videoStream?.Height, videoStream?.BitDepth, videoStream?.BitRate, videoStream?.Profile, videoStream?.VideoRangeType, videoStream?.Level, videoFramerate, videoStream?.PacketLength, timestamp, videoStream?.IsAnamorphic, videoStream?.IsInterlaced, videoStream?.RefFrames, numVideoStreams, numAudioStreams, videoStream?.CodecTag, videoStream?.IsAVC)));
  650. // An empty appliedVideoConditions means that the codec has no conditions for the current video stream
  651. var conditionsSatisfied = appliedVideoConditions.All(satisfied => satisfied);
  652. return conditionsSatisfied ? 1 : 2;
  653. }
  654. return 3;
  655. })
  656. .OrderBy(lookup => lookup.Key)
  657. .SelectMany(lookup => lookup);
  658. }
  659. return transcodingProfiles.FirstOrDefault();
  660. }
  661. private void BuildStreamVideoItem(StreamInfo playlistItem, MediaOptions options, MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream, IEnumerable<MediaStream> candidateAudioStreams, string container, string videoCodec, string audioCodec)
  662. {
  663. // Prefer matching video codecs
  664. var videoCodecs = ContainerProfile.SplitValue(videoCodec);
  665. var directVideoCodec = ContainerProfile.ContainsContainer(videoCodecs, videoStream?.Codec) ? videoStream?.Codec : null;
  666. if (directVideoCodec is not null)
  667. {
  668. // merge directVideoCodec to videoCodecs
  669. Array.Resize(ref videoCodecs, videoCodecs.Length + 1);
  670. videoCodecs[^1] = directVideoCodec;
  671. }
  672. playlistItem.VideoCodecs = videoCodecs;
  673. // Copy video codec options as a starting point, this applies to transcode and direct-stream
  674. playlistItem.MaxFramerate = videoStream?.AverageFrameRate;
  675. var qualifier = videoStream?.Codec;
  676. if (videoStream?.Level is not null)
  677. {
  678. playlistItem.SetOption(qualifier, "level", videoStream.Level.Value.ToString(CultureInfo.InvariantCulture));
  679. }
  680. if (videoStream?.BitDepth is not null)
  681. {
  682. playlistItem.SetOption(qualifier, "videobitdepth", videoStream.BitDepth.Value.ToString(CultureInfo.InvariantCulture));
  683. }
  684. if (!string.IsNullOrEmpty(videoStream?.Profile))
  685. {
  686. playlistItem.SetOption(qualifier, "profile", videoStream.Profile.ToLowerInvariant());
  687. }
  688. if (videoStream is not null && videoStream.Level != 0)
  689. {
  690. playlistItem.SetOption(qualifier, "level", videoStream.Level.ToString());
  691. }
  692. // Prefer matching audio codecs, could do better here
  693. var audioCodecs = ContainerProfile.SplitValue(audioCodec);
  694. var directAudioStream = candidateAudioStreams.FirstOrDefault(stream => ContainerProfile.ContainsContainer(audioCodecs, stream.Codec));
  695. playlistItem.AudioCodecs = audioCodecs;
  696. if (directAudioStream is not null)
  697. {
  698. audioStream = directAudioStream;
  699. playlistItem.AudioStreamIndex = audioStream.Index;
  700. playlistItem.AudioCodecs = new[] { audioStream.Codec };
  701. // Copy matching audio codec options
  702. playlistItem.AudioSampleRate = audioStream.SampleRate;
  703. playlistItem.SetOption(qualifier, "audiochannels", audioStream.Channels.ToString());
  704. if (!string.IsNullOrEmpty(audioStream.Profile))
  705. {
  706. playlistItem.SetOption(audioStream.Codec, "profile", audioStream.Profile.ToLowerInvariant());
  707. }
  708. if (audioStream.Level != 0)
  709. {
  710. playlistItem.SetOption(audioStream.Codec, "level", audioStream.Level.ToString());
  711. }
  712. }
  713. int? width = videoStream?.Width;
  714. int? height = videoStream?.Height;
  715. int? bitDepth = videoStream?.BitDepth;
  716. int? videoBitrate = videoStream?.BitRate;
  717. double? videoLevel = videoStream?.Level;
  718. string videoProfile = videoStream?.Profile;
  719. string videoRangeType = videoStream?.VideoRangeType;
  720. float videoFramerate = videoStream is null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
  721. bool? isAnamorphic = videoStream?.IsAnamorphic;
  722. bool? isInterlaced = videoStream?.IsInterlaced;
  723. string videoCodecTag = videoStream?.CodecTag;
  724. bool? isAvc = videoStream?.IsAVC;
  725. TransportStreamTimestamp? timestamp = videoStream is null ? TransportStreamTimestamp.None : item.Timestamp;
  726. int? packetLength = videoStream?.PacketLength;
  727. int? refFrames = videoStream?.RefFrames;
  728. int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);
  729. int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);
  730. var appliedVideoConditions = options.Profile.CodecProfiles
  731. .Where(i => i.Type == CodecType.Video &&
  732. i.ContainsAnyCodec(videoCodec, container) &&
  733. i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoRangeType, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc)));
  734. var isFirstAppliedCodecProfile = true;
  735. foreach (var i in appliedVideoConditions)
  736. {
  737. var transcodingVideoCodecs = ContainerProfile.SplitValue(videoCodec);
  738. foreach (var transcodingVideoCodec in transcodingVideoCodecs)
  739. {
  740. if (i.ContainsAnyCodec(transcodingVideoCodec, container))
  741. {
  742. ApplyTranscodingConditions(playlistItem, i.Conditions, transcodingVideoCodec, true, isFirstAppliedCodecProfile);
  743. isFirstAppliedCodecProfile = false;
  744. continue;
  745. }
  746. }
  747. }
  748. // Honor requested max channels
  749. playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
  750. int audioBitrate = GetAudioBitrate(options.GetMaxBitrate(true) ?? 0, playlistItem.TargetAudioCodec, audioStream, playlistItem);
  751. playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);
  752. bool? isSecondaryAudio = audioStream is null ? null : item.IsSecondaryAudio(audioStream);
  753. int? inputAudioBitrate = audioStream is null ? null : audioStream.BitRate;
  754. int? audioChannels = audioStream is null ? null : audioStream.Channels;
  755. string audioProfile = audioStream is null ? null : audioStream.Profile;
  756. int? inputAudioSampleRate = audioStream is null ? null : audioStream.SampleRate;
  757. int? inputAudioBitDepth = audioStream is null ? null : audioStream.BitDepth;
  758. var appliedAudioConditions = options.Profile.CodecProfiles
  759. .Where(i => i.Type == CodecType.VideoAudio &&
  760. i.ContainsAnyCodec(audioCodec, container) &&
  761. i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, audioProfile, isSecondaryAudio)));
  762. isFirstAppliedCodecProfile = true;
  763. foreach (var codecProfile in appliedAudioConditions)
  764. {
  765. var transcodingAudioCodecs = ContainerProfile.SplitValue(audioCodec);
  766. foreach (var transcodingAudioCodec in transcodingAudioCodecs)
  767. {
  768. if (codecProfile.ContainsAnyCodec(transcodingAudioCodec, container))
  769. {
  770. ApplyTranscodingConditions(playlistItem, codecProfile.Conditions, transcodingAudioCodec, true, isFirstAppliedCodecProfile);
  771. isFirstAppliedCodecProfile = false;
  772. break;
  773. }
  774. }
  775. }
  776. var maxBitrateSetting = options.GetMaxBitrate(false);
  777. // Honor max rate
  778. if (maxBitrateSetting.HasValue)
  779. {
  780. var availableBitrateForVideo = maxBitrateSetting.Value;
  781. if (playlistItem.AudioBitrate.HasValue)
  782. {
  783. availableBitrateForVideo -= playlistItem.AudioBitrate.Value;
  784. }
  785. // Make sure the video bitrate is lower than bitrate settings but at least 64k
  786. // Don't use Math.Clamp as availableBitrateForVideo can be lower then 64k.
  787. var currentValue = playlistItem.VideoBitrate ?? availableBitrateForVideo;
  788. playlistItem.VideoBitrate = Math.Max(Math.Min(availableBitrateForVideo, currentValue), 64_000);
  789. }
  790. _logger.LogDebug(
  791. "Transcode Result for Profile: {Profile}, Path: {Path}, PlayMethod: {PlayMethod}, AudioStreamIndex: {AudioStreamIndex}, SubtitleStreamIndex: {SubtitleStreamIndex}, Reasons: {TranscodeReason}",
  792. options.Profile?.Name ?? "Anonymous Profile",
  793. item.Path ?? "Unknown path",
  794. playlistItem?.PlayMethod,
  795. audioStream?.Index,
  796. playlistItem?.SubtitleStreamIndex,
  797. playlistItem?.TranscodeReasons);
  798. }
  799. private static int GetDefaultAudioBitrate(string audioCodec, int? audioChannels)
  800. {
  801. if (!string.IsNullOrEmpty(audioCodec))
  802. {
  803. // Default to a higher bitrate for stream copy
  804. if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase)
  805. || string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase)
  806. || string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase)
  807. || string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase))
  808. {
  809. if ((audioChannels ?? 0) < 2)
  810. {
  811. return 128000;
  812. }
  813. return (audioChannels ?? 0) >= 6 ? 640000 : 384000;
  814. }
  815. if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase)
  816. || string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase))
  817. {
  818. if ((audioChannels ?? 0) < 2)
  819. {
  820. return 768000;
  821. }
  822. return (audioChannels ?? 0) >= 6 ? 3584000 : 1536000;
  823. }
  824. }
  825. return 192000;
  826. }
  827. private static int GetAudioBitrate(long maxTotalBitrate, string[] targetAudioCodecs, MediaStream audioStream, StreamInfo item)
  828. {
  829. string targetAudioCodec = targetAudioCodecs.Length == 0 ? null : targetAudioCodecs[0];
  830. int? targetAudioChannels = item.GetTargetAudioChannels(targetAudioCodec);
  831. int defaultBitrate;
  832. int encoderAudioBitrateLimit = int.MaxValue;
  833. if (audioStream is null)
  834. {
  835. defaultBitrate = 192000;
  836. }
  837. else
  838. {
  839. if (targetAudioChannels.HasValue
  840. && audioStream.Channels.HasValue
  841. && audioStream.Channels.Value > targetAudioChannels.Value)
  842. {
  843. // Reduce the bitrate if we're downmixing.
  844. defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);
  845. }
  846. else if (targetAudioChannels.HasValue
  847. && audioStream.Channels.HasValue
  848. && audioStream.Channels.Value <= targetAudioChannels.Value
  849. && !string.IsNullOrEmpty(audioStream.Codec)
  850. && targetAudioCodecs is not null
  851. && targetAudioCodecs.Length > 0
  852. && !Array.Exists(targetAudioCodecs, elem => string.Equals(audioStream.Codec, elem, StringComparison.OrdinalIgnoreCase)))
  853. {
  854. // Shift the bitrate if we're transcoding to a different audio codec.
  855. defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, audioStream.Channels.Value);
  856. }
  857. else
  858. {
  859. defaultBitrate = audioStream.BitRate ?? GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);
  860. }
  861. // Seeing webm encoding failures when source has 1 audio channel and 22k bitrate.
  862. // Any attempts to transcode over 64k will fail
  863. if (audioStream.Channels == 1
  864. && (audioStream.BitRate ?? 0) < 64000)
  865. {
  866. encoderAudioBitrateLimit = 64000;
  867. }
  868. }
  869. if (maxTotalBitrate > 0)
  870. {
  871. defaultBitrate = Math.Min(GetMaxAudioBitrateForTotalBitrate(maxTotalBitrate), defaultBitrate);
  872. }
  873. return Math.Min(defaultBitrate, encoderAudioBitrateLimit);
  874. }
  875. private static int GetMaxAudioBitrateForTotalBitrate(long totalBitrate)
  876. {
  877. if (totalBitrate <= 640000)
  878. {
  879. return 128000;
  880. }
  881. else if (totalBitrate <= 2000000)
  882. {
  883. return 384000;
  884. }
  885. else if (totalBitrate <= 3000000)
  886. {
  887. return 448000;
  888. }
  889. else if (totalBitrate <= 4000000)
  890. {
  891. return 640000;
  892. }
  893. else if (totalBitrate <= 5000000)
  894. {
  895. return 768000;
  896. }
  897. else if (totalBitrate <= 10000000)
  898. {
  899. return 1536000;
  900. }
  901. else if (totalBitrate <= 15000000)
  902. {
  903. return 2304000;
  904. }
  905. else if (totalBitrate <= 20000000)
  906. {
  907. return 3584000;
  908. }
  909. return 7168000;
  910. }
  911. private (DirectPlayProfile Profile, PlayMethod? PlayMethod, int? AudioStreamIndex, TranscodeReason TranscodeReasons) GetVideoDirectPlayProfile(
  912. MediaOptions options,
  913. MediaSourceInfo mediaSource,
  914. MediaStream videoStream,
  915. MediaStream audioStream,
  916. ICollection<MediaStream> candidateAudioStreams,
  917. MediaStream subtitleStream,
  918. bool isEligibleForDirectPlay,
  919. bool isEligibleForDirectStream)
  920. {
  921. if (options.ForceDirectPlay)
  922. {
  923. return (null, PlayMethod.DirectPlay, audioStream?.Index, 0);
  924. }
  925. if (options.ForceDirectStream)
  926. {
  927. return (null, PlayMethod.DirectStream, audioStream?.Index, 0);
  928. }
  929. DeviceProfile profile = options.Profile;
  930. string container = mediaSource.Container;
  931. // Video
  932. int? width = videoStream?.Width;
  933. int? height = videoStream?.Height;
  934. int? bitDepth = videoStream?.BitDepth;
  935. int? videoBitrate = videoStream?.BitRate;
  936. double? videoLevel = videoStream?.Level;
  937. string videoProfile = videoStream?.Profile;
  938. string videoRangeType = videoStream?.VideoRangeType;
  939. float videoFramerate = videoStream is null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
  940. bool? isAnamorphic = videoStream?.IsAnamorphic;
  941. bool? isInterlaced = videoStream?.IsInterlaced;
  942. string videoCodecTag = videoStream?.CodecTag;
  943. bool? isAvc = videoStream?.IsAVC;
  944. TransportStreamTimestamp? timestamp = videoStream is null ? TransportStreamTimestamp.None : mediaSource.Timestamp;
  945. int? packetLength = videoStream?.PacketLength;
  946. int? refFrames = videoStream?.RefFrames;
  947. int? numAudioStreams = mediaSource.GetStreamCount(MediaStreamType.Audio);
  948. int? numVideoStreams = mediaSource.GetStreamCount(MediaStreamType.Video);
  949. var checkVideoConditions = (ProfileCondition[] conditions) =>
  950. conditions.Where(applyCondition => !ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoRangeType, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc));
  951. // Check container conditions
  952. var containerProfileReasons = AggregateFailureConditions(
  953. mediaSource,
  954. profile,
  955. "VideoCodecProfile",
  956. profile.ContainerProfiles
  957. .Where(containerProfile => containerProfile.Type == DlnaProfileType.Video && containerProfile.ContainsContainer(container))
  958. .SelectMany(containerProfile => checkVideoConditions(containerProfile.Conditions)));
  959. // Check video conditions
  960. var videoCodecProfileReasons = AggregateFailureConditions(
  961. mediaSource,
  962. profile,
  963. "VideoCodecProfile",
  964. profile.CodecProfiles
  965. .Where(codecProfile => codecProfile.Type == CodecType.Video && codecProfile.ContainsAnyCodec(videoStream?.Codec, container) &&
  966. !checkVideoConditions(codecProfile.ApplyConditions).Any())
  967. .SelectMany(codecProfile => checkVideoConditions(codecProfile.Conditions)));
  968. // Check audiocandidates profile conditions
  969. var audioStreamMatches = candidateAudioStreams.ToDictionary(s => s, audioStream => CheckVideoAudioStreamDirectPlay(options, mediaSource, container, audioStream));
  970. TranscodeReason subtitleProfileReasons = 0;
  971. if (subtitleStream is not null)
  972. {
  973. var subtitleProfile = GetSubtitleProfile(mediaSource, subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.DirectPlay, _transcoderSupport, container, null);
  974. if (subtitleProfile.Method != SubtitleDeliveryMethod.Drop
  975. && subtitleProfile.Method != SubtitleDeliveryMethod.External
  976. && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
  977. {
  978. _logger.LogDebug("Not eligible for {0} due to unsupported subtitles", PlayMethod.DirectPlay);
  979. subtitleProfileReasons |= TranscodeReason.SubtitleCodecNotSupported;
  980. }
  981. }
  982. var rankings = new[] { VideoReasons, AudioReasons, ContainerReasons };
  983. var rank = (ref TranscodeReason a) =>
  984. {
  985. var index = 1;
  986. foreach (var flag in rankings)
  987. {
  988. var reason = a & flag;
  989. if (reason != 0)
  990. {
  991. a = reason;
  992. return index;
  993. }
  994. index++;
  995. }
  996. return index;
  997. };
  998. // Check DirectPlay profiles to see if it can be direct played
  999. var analyzedProfiles = profile.DirectPlayProfiles
  1000. .Where(directPlayProfile => directPlayProfile.Type == DlnaProfileType.Video)
  1001. .Select((directPlayProfile, order) =>
  1002. {
  1003. TranscodeReason directPlayProfileReasons = 0;
  1004. TranscodeReason audioCodecProfileReasons = 0;
  1005. // Check container type
  1006. if (!directPlayProfile.SupportsContainer(container))
  1007. {
  1008. directPlayProfileReasons |= TranscodeReason.ContainerNotSupported;
  1009. }
  1010. // Check video codec
  1011. string videoCodec = videoStream?.Codec;
  1012. if (!directPlayProfile.SupportsVideoCodec(videoCodec))
  1013. {
  1014. directPlayProfileReasons |= TranscodeReason.VideoCodecNotSupported;
  1015. }
  1016. // Check audio codec
  1017. MediaStream selectedAudioStream = null;
  1018. if (candidateAudioStreams.Any())
  1019. {
  1020. selectedAudioStream = candidateAudioStreams.FirstOrDefault(audioStream => directPlayProfile.SupportsAudioCodec(audioStream.Codec));
  1021. if (selectedAudioStream is null)
  1022. {
  1023. directPlayProfileReasons |= TranscodeReason.AudioCodecNotSupported;
  1024. }
  1025. else
  1026. {
  1027. audioCodecProfileReasons = audioStreamMatches.GetValueOrDefault(selectedAudioStream);
  1028. }
  1029. }
  1030. var failureReasons = directPlayProfileReasons | containerProfileReasons | subtitleProfileReasons;
  1031. if ((failureReasons & TranscodeReason.VideoCodecNotSupported) == 0)
  1032. {
  1033. failureReasons |= videoCodecProfileReasons;
  1034. }
  1035. if ((failureReasons & TranscodeReason.AudioCodecNotSupported) == 0)
  1036. {
  1037. failureReasons |= audioCodecProfileReasons;
  1038. }
  1039. var directStreamFailureReasons = failureReasons & (~DirectStreamReasons);
  1040. PlayMethod? playMethod = null;
  1041. if (failureReasons == 0 && isEligibleForDirectPlay && mediaSource.SupportsDirectPlay)
  1042. {
  1043. playMethod = PlayMethod.DirectPlay;
  1044. }
  1045. else if (directStreamFailureReasons == 0 && isEligibleForDirectStream && mediaSource.SupportsDirectStream && directPlayProfile is not null)
  1046. {
  1047. playMethod = PlayMethod.DirectStream;
  1048. }
  1049. var ranked = rank(ref failureReasons);
  1050. return (Result: (Profile: directPlayProfile, PlayMethod: playMethod, AudioStreamIndex: selectedAudioStream?.Index, TranscodeReason: failureReasons), Order: order, Rank: ranked);
  1051. })
  1052. .OrderByDescending(analysis => analysis.Result.PlayMethod)
  1053. .ThenByDescending(analysis => analysis.Rank)
  1054. .ThenBy(analysis => analysis.Order)
  1055. .ToArray()
  1056. .ToLookup(analysis => analysis.Result.PlayMethod is not null);
  1057. var profileMatch = analyzedProfiles[true]
  1058. .Select(analysis => analysis.Result)
  1059. .FirstOrDefault();
  1060. if (profileMatch.Profile is not null)
  1061. {
  1062. return profileMatch;
  1063. }
  1064. var failureReasons = analyzedProfiles[false].Select(analysis => analysis.Result).FirstOrDefault().TranscodeReason;
  1065. if (failureReasons == 0)
  1066. {
  1067. failureReasons = TranscodeReason.DirectPlayError;
  1068. }
  1069. return (Profile: null, PlayMethod: null, AudioStreamIndex: null, TranscodeReasons: failureReasons);
  1070. }
  1071. private TranscodeReason CheckVideoAudioStreamDirectPlay(MediaOptions options, MediaSourceInfo mediaSource, string container, MediaStream audioStream)
  1072. {
  1073. var profile = options.Profile;
  1074. var audioFailureConditions = GetProfileConditionsForVideoAudio(profile.CodecProfiles, container, audioStream.Codec, audioStream.Channels, audioStream.BitRate, audioStream.SampleRate, audioStream.BitDepth, audioStream.Profile, mediaSource.IsSecondaryAudio(audioStream));
  1075. var audioStreamFailureReasons = AggregateFailureConditions(mediaSource, profile, "VideoAudioCodecProfile", audioFailureConditions);
  1076. if (audioStream?.IsExternal == true)
  1077. {
  1078. audioStreamFailureReasons |= TranscodeReason.AudioIsExternal;
  1079. }
  1080. return audioStreamFailureReasons;
  1081. }
  1082. private TranscodeReason AggregateFailureConditions(MediaSourceInfo mediaSource, DeviceProfile profile, string type, IEnumerable<ProfileCondition> conditions)
  1083. {
  1084. return conditions.Aggregate<ProfileCondition, TranscodeReason>(0, (reasons, i) =>
  1085. {
  1086. LogConditionFailure(profile, type, i, mediaSource);
  1087. var transcodeReasons = GetTranscodeReasonForFailedCondition(i);
  1088. return reasons | transcodeReasons;
  1089. });
  1090. }
  1091. private void LogConditionFailure(DeviceProfile profile, string type, ProfileCondition condition, MediaSourceInfo mediaSource)
  1092. {
  1093. _logger.LogDebug(
  1094. "Profile: {0}, DirectPlay=false. Reason={1}.{2} Condition: {3}. ConditionValue: {4}. IsRequired: {5}. Path: {6}",
  1095. type,
  1096. profile.Name ?? "Unknown Profile",
  1097. condition.Property,
  1098. condition.Condition,
  1099. condition.Value ?? string.Empty,
  1100. condition.IsRequired,
  1101. mediaSource.Path ?? "Unknown path");
  1102. }
  1103. /// <summary>
  1104. /// Normalizes input container.
  1105. /// </summary>
  1106. /// <param name="mediaSource">The <see cref="MediaSourceInfo"/>.</param>
  1107. /// <param name="subtitleStream">The <see cref="MediaStream"/> of the subtitle stream.</param>
  1108. /// <param name="subtitleProfiles">The list of supported <see cref="SubtitleProfile"/>s.</param>
  1109. /// <param name="playMethod">The <see cref="PlayMethod"/>.</param>
  1110. /// <param name="transcoderSupport">The <see cref="ITranscoderSupport"/>.</param>
  1111. /// <param name="outputContainer">The output container.</param>
  1112. /// <param name="transcodingSubProtocol">The subtitle transoding protocol.</param>
  1113. /// <returns>The the normalized input container.</returns>
  1114. public static SubtitleProfile GetSubtitleProfile(
  1115. MediaSourceInfo mediaSource,
  1116. MediaStream subtitleStream,
  1117. SubtitleProfile[] subtitleProfiles,
  1118. PlayMethod playMethod,
  1119. ITranscoderSupport transcoderSupport,
  1120. string outputContainer,
  1121. string transcodingSubProtocol)
  1122. {
  1123. if (!subtitleStream.IsExternal && (playMethod != PlayMethod.Transcode || !string.Equals(transcodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase)))
  1124. {
  1125. // Look for supported embedded subs of the same format
  1126. foreach (var profile in subtitleProfiles)
  1127. {
  1128. if (!profile.SupportsLanguage(subtitleStream.Language))
  1129. {
  1130. continue;
  1131. }
  1132. if (profile.Method != SubtitleDeliveryMethod.Embed)
  1133. {
  1134. continue;
  1135. }
  1136. if (!ContainerProfile.ContainsContainer(profile.Container, outputContainer))
  1137. {
  1138. continue;
  1139. }
  1140. if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))
  1141. {
  1142. continue;
  1143. }
  1144. if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && string.Equals(profile.Format, subtitleStream.Codec, StringComparison.OrdinalIgnoreCase))
  1145. {
  1146. return profile;
  1147. }
  1148. }
  1149. // Look for supported embedded subs of a convertible format
  1150. foreach (var profile in subtitleProfiles)
  1151. {
  1152. if (!profile.SupportsLanguage(subtitleStream.Language))
  1153. {
  1154. continue;
  1155. }
  1156. if (profile.Method != SubtitleDeliveryMethod.Embed)
  1157. {
  1158. continue;
  1159. }
  1160. if (!ContainerProfile.ContainsContainer(profile.Container, outputContainer))
  1161. {
  1162. continue;
  1163. }
  1164. if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))
  1165. {
  1166. continue;
  1167. }
  1168. if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
  1169. {
  1170. return profile;
  1171. }
  1172. }
  1173. }
  1174. // Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
  1175. return GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport, false) ??
  1176. GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport, true) ??
  1177. new SubtitleProfile
  1178. {
  1179. Method = SubtitleDeliveryMethod.Encode,
  1180. Format = subtitleStream.Codec
  1181. };
  1182. }
  1183. private static bool IsSubtitleEmbedSupported(string transcodingContainer)
  1184. {
  1185. if (!string.IsNullOrEmpty(transcodingContainer))
  1186. {
  1187. string[] normalizedContainers = ContainerProfile.SplitValue(transcodingContainer);
  1188. if (ContainerProfile.ContainsContainer(normalizedContainers, "ts")
  1189. || ContainerProfile.ContainsContainer(normalizedContainers, "mpegts")
  1190. || ContainerProfile.ContainsContainer(normalizedContainers, "mp4"))
  1191. {
  1192. return false;
  1193. }
  1194. else if (ContainerProfile.ContainsContainer(normalizedContainers, "mkv")
  1195. || ContainerProfile.ContainsContainer(normalizedContainers, "matroska"))
  1196. {
  1197. return true;
  1198. }
  1199. }
  1200. return false;
  1201. }
  1202. private static SubtitleProfile GetExternalSubtitleProfile(MediaSourceInfo mediaSource, MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, ITranscoderSupport transcoderSupport, bool allowConversion)
  1203. {
  1204. foreach (var profile in subtitleProfiles)
  1205. {
  1206. if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
  1207. {
  1208. continue;
  1209. }
  1210. if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)
  1211. {
  1212. continue;
  1213. }
  1214. if (!profile.SupportsLanguage(subtitleStream.Language))
  1215. {
  1216. continue;
  1217. }
  1218. if (!subtitleStream.IsExternal && !transcoderSupport.CanExtractSubtitles(subtitleStream.Codec))
  1219. {
  1220. continue;
  1221. }
  1222. if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) ||
  1223. (profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))
  1224. {
  1225. bool requiresConversion = !string.Equals(subtitleStream.Codec, profile.Format, StringComparison.OrdinalIgnoreCase);
  1226. if (!requiresConversion)
  1227. {
  1228. return profile;
  1229. }
  1230. if (!allowConversion)
  1231. {
  1232. continue;
  1233. }
  1234. // TODO: Build this into subtitleStream.SupportsExternalStream
  1235. if (mediaSource.IsInfiniteStream)
  1236. {
  1237. continue;
  1238. }
  1239. if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
  1240. {
  1241. return profile;
  1242. }
  1243. }
  1244. }
  1245. return null;
  1246. }
  1247. private bool IsBitrateLimitExceeded(MediaSourceInfo item, long maxBitrate)
  1248. {
  1249. // Don't restrict by bitrate if coming from an external domain
  1250. if (item.IsRemote)
  1251. {
  1252. return false;
  1253. }
  1254. long requestedMaxBitrate = maxBitrate > 0 ? maxBitrate : 1000000;
  1255. // If we don't know the bitrate, then force a transcode if requested max bitrate is under 40 mbps
  1256. int itemBitrate = item.Bitrate ?? 40000000;
  1257. if (itemBitrate > requestedMaxBitrate)
  1258. {
  1259. _logger.LogDebug(
  1260. "Bitrate exceeds limit: media bitrate: {MediaBitrate}, max bitrate: {MaxBitrate}",
  1261. itemBitrate,
  1262. requestedMaxBitrate);
  1263. return true;
  1264. }
  1265. return false;
  1266. }
  1267. private static void ValidateMediaOptions(MediaOptions options, bool isMediaSource)
  1268. {
  1269. if (options.ItemId.Equals(default))
  1270. {
  1271. ArgumentException.ThrowIfNullOrEmpty(options.DeviceId);
  1272. }
  1273. if (options.Profile is null)
  1274. {
  1275. throw new ArgumentException("Profile is required");
  1276. }
  1277. if (options.MediaSources is null)
  1278. {
  1279. throw new ArgumentException("MediaSources is required");
  1280. }
  1281. if (isMediaSource)
  1282. {
  1283. if (options.AudioStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
  1284. {
  1285. throw new ArgumentException("MediaSourceId is required when a specific audio stream is requested");
  1286. }
  1287. if (options.SubtitleStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
  1288. {
  1289. throw new ArgumentException("MediaSourceId is required when a specific subtitle stream is requested");
  1290. }
  1291. }
  1292. }
  1293. private static IEnumerable<ProfileCondition> GetProfileConditionsForVideoAudio(
  1294. IEnumerable<CodecProfile> codecProfiles,
  1295. string container,
  1296. string codec,
  1297. int? audioChannels,
  1298. int? audioBitrate,
  1299. int? audioSampleRate,
  1300. int? audioBitDepth,
  1301. string audioProfile,
  1302. bool? isSecondaryAudio)
  1303. {
  1304. return codecProfiles
  1305. .Where(profile => profile.Type == CodecType.VideoAudio && profile.ContainsAnyCodec(codec, container) &&
  1306. profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio)))
  1307. .SelectMany(profile => profile.Conditions)
  1308. .Where(condition => !ConditionProcessor.IsVideoAudioConditionSatisfied(condition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio));
  1309. }
  1310. private static IEnumerable<ProfileCondition> GetProfileConditionsForAudio(
  1311. IEnumerable<CodecProfile> codecProfiles,
  1312. string container,
  1313. string codec,
  1314. int? audioChannels,
  1315. int? audioBitrate,
  1316. int? audioSampleRate,
  1317. int? audioBitDepth,
  1318. bool checkConditions)
  1319. {
  1320. var conditions = codecProfiles
  1321. .Where(profile => profile.Type == CodecType.Audio && profile.ContainsAnyCodec(codec, container) &&
  1322. profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth)))
  1323. .SelectMany(profile => profile.Conditions);
  1324. if (!checkConditions)
  1325. {
  1326. return conditions;
  1327. }
  1328. return conditions.Where(condition => !ConditionProcessor.IsAudioConditionSatisfied(condition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth));
  1329. }
  1330. private void ApplyTranscodingConditions(StreamInfo item, IEnumerable<ProfileCondition> conditions, string qualifier, bool enableQualifiedConditions, bool enableNonQualifiedConditions)
  1331. {
  1332. foreach (ProfileCondition condition in conditions)
  1333. {
  1334. string value = condition.Value;
  1335. if (string.IsNullOrEmpty(value))
  1336. {
  1337. continue;
  1338. }
  1339. // No way to express this
  1340. if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1341. {
  1342. continue;
  1343. }
  1344. switch (condition.Property)
  1345. {
  1346. case ProfileConditionValue.AudioBitrate:
  1347. {
  1348. if (!enableNonQualifiedConditions)
  1349. {
  1350. continue;
  1351. }
  1352. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1353. {
  1354. if (condition.Condition == ProfileConditionType.Equals)
  1355. {
  1356. item.AudioBitrate = num;
  1357. }
  1358. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1359. {
  1360. item.AudioBitrate = Math.Min(num, item.AudioBitrate ?? num);
  1361. }
  1362. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1363. {
  1364. item.AudioBitrate = Math.Max(num, item.AudioBitrate ?? num);
  1365. }
  1366. }
  1367. break;
  1368. }
  1369. case ProfileConditionValue.AudioSampleRate:
  1370. {
  1371. if (!enableNonQualifiedConditions)
  1372. {
  1373. continue;
  1374. }
  1375. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1376. {
  1377. if (condition.Condition == ProfileConditionType.Equals)
  1378. {
  1379. item.AudioSampleRate = num;
  1380. }
  1381. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1382. {
  1383. item.AudioSampleRate = Math.Min(num, item.AudioSampleRate ?? num);
  1384. }
  1385. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1386. {
  1387. item.AudioSampleRate = Math.Max(num, item.AudioSampleRate ?? num);
  1388. }
  1389. }
  1390. break;
  1391. }
  1392. case ProfileConditionValue.AudioChannels:
  1393. {
  1394. if (string.IsNullOrEmpty(qualifier))
  1395. {
  1396. if (!enableNonQualifiedConditions)
  1397. {
  1398. continue;
  1399. }
  1400. }
  1401. else
  1402. {
  1403. if (!enableQualifiedConditions)
  1404. {
  1405. continue;
  1406. }
  1407. }
  1408. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1409. {
  1410. if (condition.Condition == ProfileConditionType.Equals)
  1411. {
  1412. item.SetOption(qualifier, "audiochannels", num.ToString(CultureInfo.InvariantCulture));
  1413. }
  1414. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1415. {
  1416. item.SetOption(qualifier, "audiochannels", Math.Min(num, item.GetTargetAudioChannels(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1417. }
  1418. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1419. {
  1420. item.SetOption(qualifier, "audiochannels", Math.Max(num, item.GetTargetAudioChannels(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1421. }
  1422. }
  1423. break;
  1424. }
  1425. case ProfileConditionValue.IsAvc:
  1426. {
  1427. if (!enableNonQualifiedConditions)
  1428. {
  1429. continue;
  1430. }
  1431. if (bool.TryParse(value, out var isAvc))
  1432. {
  1433. if (isAvc && condition.Condition == ProfileConditionType.Equals)
  1434. {
  1435. item.RequireAvc = true;
  1436. }
  1437. else if (!isAvc && condition.Condition == ProfileConditionType.NotEquals)
  1438. {
  1439. item.RequireAvc = true;
  1440. }
  1441. }
  1442. break;
  1443. }
  1444. case ProfileConditionValue.IsAnamorphic:
  1445. {
  1446. if (!enableNonQualifiedConditions)
  1447. {
  1448. continue;
  1449. }
  1450. if (bool.TryParse(value, out var isAnamorphic))
  1451. {
  1452. if (isAnamorphic && condition.Condition == ProfileConditionType.Equals)
  1453. {
  1454. item.RequireNonAnamorphic = true;
  1455. }
  1456. else if (!isAnamorphic && condition.Condition == ProfileConditionType.NotEquals)
  1457. {
  1458. item.RequireNonAnamorphic = true;
  1459. }
  1460. }
  1461. break;
  1462. }
  1463. case ProfileConditionValue.IsInterlaced:
  1464. {
  1465. if (string.IsNullOrEmpty(qualifier))
  1466. {
  1467. if (!enableNonQualifiedConditions)
  1468. {
  1469. continue;
  1470. }
  1471. }
  1472. else
  1473. {
  1474. if (!enableQualifiedConditions)
  1475. {
  1476. continue;
  1477. }
  1478. }
  1479. if (bool.TryParse(value, out var isInterlaced))
  1480. {
  1481. if (!isInterlaced && condition.Condition == ProfileConditionType.Equals)
  1482. {
  1483. item.SetOption(qualifier, "deinterlace", "true");
  1484. }
  1485. else if (isInterlaced && condition.Condition == ProfileConditionType.NotEquals)
  1486. {
  1487. item.SetOption(qualifier, "deinterlace", "true");
  1488. }
  1489. }
  1490. break;
  1491. }
  1492. case ProfileConditionValue.AudioProfile:
  1493. case ProfileConditionValue.Has64BitOffsets:
  1494. case ProfileConditionValue.PacketLength:
  1495. case ProfileConditionValue.NumAudioStreams:
  1496. case ProfileConditionValue.NumVideoStreams:
  1497. case ProfileConditionValue.IsSecondaryAudio:
  1498. case ProfileConditionValue.VideoTimestamp:
  1499. {
  1500. // Not supported yet
  1501. break;
  1502. }
  1503. case ProfileConditionValue.RefFrames:
  1504. {
  1505. if (string.IsNullOrEmpty(qualifier))
  1506. {
  1507. if (!enableNonQualifiedConditions)
  1508. {
  1509. continue;
  1510. }
  1511. }
  1512. else
  1513. {
  1514. if (!enableQualifiedConditions)
  1515. {
  1516. continue;
  1517. }
  1518. }
  1519. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1520. {
  1521. if (condition.Condition == ProfileConditionType.Equals)
  1522. {
  1523. item.SetOption(qualifier, "maxrefframes", num.ToString(CultureInfo.InvariantCulture));
  1524. }
  1525. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1526. {
  1527. item.SetOption(qualifier, "maxrefframes", Math.Min(num, item.GetTargetRefFrames(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1528. }
  1529. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1530. {
  1531. item.SetOption(qualifier, "maxrefframes", Math.Max(num, item.GetTargetRefFrames(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1532. }
  1533. }
  1534. break;
  1535. }
  1536. case ProfileConditionValue.VideoBitDepth:
  1537. {
  1538. if (string.IsNullOrEmpty(qualifier))
  1539. {
  1540. if (!enableNonQualifiedConditions)
  1541. {
  1542. continue;
  1543. }
  1544. }
  1545. else
  1546. {
  1547. if (!enableQualifiedConditions)
  1548. {
  1549. continue;
  1550. }
  1551. }
  1552. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1553. {
  1554. if (condition.Condition == ProfileConditionType.Equals)
  1555. {
  1556. item.SetOption(qualifier, "videobitdepth", num.ToString(CultureInfo.InvariantCulture));
  1557. }
  1558. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1559. {
  1560. item.SetOption(qualifier, "videobitdepth", Math.Min(num, item.GetTargetVideoBitDepth(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1561. }
  1562. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1563. {
  1564. item.SetOption(qualifier, "videobitdepth", Math.Max(num, item.GetTargetVideoBitDepth(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1565. }
  1566. }
  1567. break;
  1568. }
  1569. case ProfileConditionValue.VideoProfile:
  1570. {
  1571. if (string.IsNullOrEmpty(qualifier))
  1572. {
  1573. continue;
  1574. }
  1575. // Change from split by | to comma
  1576. // Strip spaces to avoid having to encode
  1577. var values = value
  1578. .Split('|', StringSplitOptions.RemoveEmptyEntries);
  1579. if (condition.Condition == ProfileConditionType.Equals)
  1580. {
  1581. item.SetOption(qualifier, "profile", string.Join(',', values));
  1582. }
  1583. else if (condition.Condition == ProfileConditionType.EqualsAny)
  1584. {
  1585. var currentValue = item.GetOption(qualifier, "profile");
  1586. if (!string.IsNullOrEmpty(currentValue) && values.Any(value => value == currentValue))
  1587. {
  1588. item.SetOption(qualifier, "profile", currentValue);
  1589. }
  1590. else
  1591. {
  1592. item.SetOption(qualifier, "profile", string.Join(',', values));
  1593. }
  1594. }
  1595. break;
  1596. }
  1597. case ProfileConditionValue.VideoRangeType:
  1598. {
  1599. if (string.IsNullOrEmpty(qualifier))
  1600. {
  1601. continue;
  1602. }
  1603. // change from split by | to comma
  1604. // strip spaces to avoid having to encode
  1605. var values = value
  1606. .Split('|', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
  1607. if (condition.Condition == ProfileConditionType.Equals)
  1608. {
  1609. item.SetOption(qualifier, "rangetype", string.Join(',', values));
  1610. }
  1611. else if (condition.Condition == ProfileConditionType.EqualsAny)
  1612. {
  1613. var currentValue = item.GetOption(qualifier, "rangetype");
  1614. if (!string.IsNullOrEmpty(currentValue) && values.Any(v => string.Equals(v, currentValue, StringComparison.OrdinalIgnoreCase)))
  1615. {
  1616. item.SetOption(qualifier, "rangetype", currentValue);
  1617. }
  1618. else
  1619. {
  1620. item.SetOption(qualifier, "rangetype", string.Join(',', values));
  1621. }
  1622. }
  1623. break;
  1624. }
  1625. case ProfileConditionValue.Height:
  1626. {
  1627. if (!enableNonQualifiedConditions)
  1628. {
  1629. continue;
  1630. }
  1631. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1632. {
  1633. if (condition.Condition == ProfileConditionType.Equals)
  1634. {
  1635. item.MaxHeight = num;
  1636. }
  1637. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1638. {
  1639. item.MaxHeight = Math.Min(num, item.MaxHeight ?? num);
  1640. }
  1641. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1642. {
  1643. item.MaxHeight = Math.Max(num, item.MaxHeight ?? num);
  1644. }
  1645. }
  1646. break;
  1647. }
  1648. case ProfileConditionValue.VideoBitrate:
  1649. {
  1650. if (!enableNonQualifiedConditions)
  1651. {
  1652. continue;
  1653. }
  1654. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1655. {
  1656. if (condition.Condition == ProfileConditionType.Equals)
  1657. {
  1658. item.VideoBitrate = num;
  1659. }
  1660. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1661. {
  1662. item.VideoBitrate = Math.Min(num, item.VideoBitrate ?? num);
  1663. }
  1664. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1665. {
  1666. item.VideoBitrate = Math.Max(num, item.VideoBitrate ?? num);
  1667. }
  1668. }
  1669. break;
  1670. }
  1671. case ProfileConditionValue.VideoFramerate:
  1672. {
  1673. if (!enableNonQualifiedConditions)
  1674. {
  1675. continue;
  1676. }
  1677. if (float.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1678. {
  1679. if (condition.Condition == ProfileConditionType.Equals)
  1680. {
  1681. item.MaxFramerate = num;
  1682. }
  1683. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1684. {
  1685. item.MaxFramerate = Math.Min(num, item.MaxFramerate ?? num);
  1686. }
  1687. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1688. {
  1689. item.MaxFramerate = Math.Max(num, item.MaxFramerate ?? num);
  1690. }
  1691. }
  1692. break;
  1693. }
  1694. case ProfileConditionValue.VideoLevel:
  1695. {
  1696. if (string.IsNullOrEmpty(qualifier))
  1697. {
  1698. continue;
  1699. }
  1700. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1701. {
  1702. if (condition.Condition == ProfileConditionType.Equals)
  1703. {
  1704. item.SetOption(qualifier, "level", num.ToString(CultureInfo.InvariantCulture));
  1705. }
  1706. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1707. {
  1708. item.SetOption(qualifier, "level", Math.Min(num, item.GetTargetVideoLevel(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1709. }
  1710. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1711. {
  1712. item.SetOption(qualifier, "level", Math.Max(num, item.GetTargetVideoLevel(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1713. }
  1714. }
  1715. break;
  1716. }
  1717. case ProfileConditionValue.Width:
  1718. {
  1719. if (!enableNonQualifiedConditions)
  1720. {
  1721. continue;
  1722. }
  1723. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1724. {
  1725. if (condition.Condition == ProfileConditionType.Equals)
  1726. {
  1727. item.MaxWidth = num;
  1728. }
  1729. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1730. {
  1731. item.MaxWidth = Math.Min(num, item.MaxWidth ?? num);
  1732. }
  1733. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1734. {
  1735. item.MaxWidth = Math.Max(num, item.MaxWidth ?? num);
  1736. }
  1737. }
  1738. break;
  1739. }
  1740. default:
  1741. break;
  1742. }
  1743. }
  1744. }
  1745. private static bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audioStream)
  1746. {
  1747. // Check container type
  1748. if (!profile.SupportsContainer(item.Container))
  1749. {
  1750. return false;
  1751. }
  1752. // Check audio codec
  1753. string audioCodec = audioStream?.Codec;
  1754. if (!profile.SupportsAudioCodec(audioCodec))
  1755. {
  1756. return false;
  1757. }
  1758. return true;
  1759. }
  1760. }
  1761. }