StreamBuilder.cs 90 KB

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  1. #nullable disable
  2. #pragma warning disable CS1591
  3. using System;
  4. using System.Collections.Generic;
  5. using System.Globalization;
  6. using System.Linq;
  7. using MediaBrowser.Model.Dto;
  8. using MediaBrowser.Model.Entities;
  9. using MediaBrowser.Model.MediaInfo;
  10. using MediaBrowser.Model.Session;
  11. using Microsoft.Extensions.Logging;
  12. namespace MediaBrowser.Model.Dlna
  13. {
  14. public class StreamBuilder
  15. {
  16. // Aliases
  17. internal const TranscodeReason ContainerReasons = TranscodeReason.ContainerNotSupported | TranscodeReason.ContainerBitrateExceedsLimit;
  18. internal const TranscodeReason AudioReasons = TranscodeReason.AudioCodecNotSupported | TranscodeReason.AudioBitrateNotSupported | TranscodeReason.AudioChannelsNotSupported | TranscodeReason.AudioProfileNotSupported | TranscodeReason.AudioSampleRateNotSupported | TranscodeReason.SecondaryAudioNotSupported | TranscodeReason.AudioBitDepthNotSupported | TranscodeReason.AudioIsExternal;
  19. internal const TranscodeReason VideoReasons = TranscodeReason.VideoCodecNotSupported | TranscodeReason.VideoResolutionNotSupported | TranscodeReason.AnamorphicVideoNotSupported | TranscodeReason.InterlacedVideoNotSupported | TranscodeReason.VideoBitDepthNotSupported | TranscodeReason.VideoBitrateNotSupported | TranscodeReason.VideoFramerateNotSupported | TranscodeReason.VideoLevelNotSupported | TranscodeReason.RefFramesNotSupported;
  20. internal const TranscodeReason DirectStreamReasons = AudioReasons | TranscodeReason.ContainerNotSupported;
  21. private readonly ILogger _logger;
  22. private readonly ITranscoderSupport _transcoderSupport;
  23. public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)
  24. {
  25. _transcoderSupport = transcoderSupport;
  26. _logger = logger;
  27. }
  28. public StreamBuilder(ILogger<StreamBuilder> logger)
  29. : this(new FullTranscoderSupport(), logger)
  30. {
  31. }
  32. public StreamInfo BuildAudioItem(AudioOptions options)
  33. {
  34. ValidateAudioInput(options);
  35. var mediaSources = new List<MediaSourceInfo>();
  36. foreach (MediaSourceInfo i in options.MediaSources)
  37. {
  38. if (string.IsNullOrEmpty(options.MediaSourceId) ||
  39. string.Equals(i.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
  40. {
  41. mediaSources.Add(i);
  42. }
  43. }
  44. var streams = new List<StreamInfo>();
  45. foreach (MediaSourceInfo i in mediaSources)
  46. {
  47. StreamInfo streamInfo = BuildAudioItem(i, options);
  48. if (streamInfo != null)
  49. {
  50. streams.Add(streamInfo);
  51. }
  52. }
  53. foreach (StreamInfo stream in streams)
  54. {
  55. stream.DeviceId = options.DeviceId;
  56. stream.DeviceProfileId = options.Profile.Id;
  57. }
  58. return GetOptimalStream(streams, options.GetMaxBitrate(true) ?? 0);
  59. }
  60. public StreamInfo BuildVideoItem(VideoOptions options)
  61. {
  62. ValidateInput(options);
  63. var mediaSources = new List<MediaSourceInfo>();
  64. foreach (MediaSourceInfo i in options.MediaSources)
  65. {
  66. if (string.IsNullOrEmpty(options.MediaSourceId) ||
  67. string.Equals(i.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
  68. {
  69. mediaSources.Add(i);
  70. }
  71. }
  72. var streams = new List<StreamInfo>();
  73. foreach (MediaSourceInfo i in mediaSources)
  74. {
  75. var streamInfo = BuildVideoItem(i, options);
  76. if (streamInfo != null)
  77. {
  78. streams.Add(streamInfo);
  79. }
  80. }
  81. foreach (StreamInfo stream in streams)
  82. {
  83. stream.DeviceId = options.DeviceId;
  84. stream.DeviceProfileId = options.Profile.Id;
  85. }
  86. return GetOptimalStream(streams, options.GetMaxBitrate(false) ?? 0);
  87. }
  88. private static StreamInfo GetOptimalStream(List<StreamInfo> streams, long maxBitrate)
  89. => SortMediaSources(streams, maxBitrate).FirstOrDefault();
  90. private static IOrderedEnumerable<StreamInfo> SortMediaSources(List<StreamInfo> streams, long maxBitrate)
  91. {
  92. return streams.OrderBy(i =>
  93. {
  94. // Nothing beats direct playing a file
  95. if (i.PlayMethod == PlayMethod.DirectPlay && i.MediaSource.Protocol == MediaProtocol.File)
  96. {
  97. return 0;
  98. }
  99. return 1;
  100. }).ThenBy(i =>
  101. {
  102. switch (i.PlayMethod)
  103. {
  104. // Let's assume direct streaming a file is just as desirable as direct playing a remote url
  105. case PlayMethod.DirectStream:
  106. case PlayMethod.DirectPlay:
  107. return 0;
  108. default:
  109. return 1;
  110. }
  111. }).ThenBy(i =>
  112. {
  113. switch (i.MediaSource.Protocol)
  114. {
  115. case MediaProtocol.File:
  116. return 0;
  117. default:
  118. return 1;
  119. }
  120. }).ThenBy(i =>
  121. {
  122. if (maxBitrate > 0)
  123. {
  124. if (i.MediaSource.Bitrate.HasValue)
  125. {
  126. return Math.Abs(i.MediaSource.Bitrate.Value - maxBitrate);
  127. }
  128. }
  129. return 0;
  130. }).ThenBy(streams.IndexOf);
  131. }
  132. private static TranscodeReason GetTranscodeReasonForFailedCondition(ProfileCondition condition)
  133. {
  134. switch (condition.Property)
  135. {
  136. case ProfileConditionValue.AudioBitrate:
  137. return TranscodeReason.AudioBitrateNotSupported;
  138. case ProfileConditionValue.AudioChannels:
  139. return TranscodeReason.AudioChannelsNotSupported;
  140. case ProfileConditionValue.AudioProfile:
  141. return TranscodeReason.AudioProfileNotSupported;
  142. case ProfileConditionValue.AudioSampleRate:
  143. return TranscodeReason.AudioSampleRateNotSupported;
  144. case ProfileConditionValue.Has64BitOffsets:
  145. // TODO
  146. return 0;
  147. case ProfileConditionValue.Height:
  148. return TranscodeReason.VideoResolutionNotSupported;
  149. case ProfileConditionValue.IsAnamorphic:
  150. return TranscodeReason.AnamorphicVideoNotSupported;
  151. case ProfileConditionValue.IsAvc:
  152. // TODO
  153. return 0;
  154. case ProfileConditionValue.IsInterlaced:
  155. return TranscodeReason.InterlacedVideoNotSupported;
  156. case ProfileConditionValue.IsSecondaryAudio:
  157. return TranscodeReason.SecondaryAudioNotSupported;
  158. case ProfileConditionValue.NumAudioStreams:
  159. // TODO
  160. return 0;
  161. case ProfileConditionValue.NumVideoStreams:
  162. // TODO
  163. return 0;
  164. case ProfileConditionValue.PacketLength:
  165. // TODO
  166. return 0;
  167. case ProfileConditionValue.RefFrames:
  168. return TranscodeReason.RefFramesNotSupported;
  169. case ProfileConditionValue.VideoBitDepth:
  170. return TranscodeReason.VideoBitDepthNotSupported;
  171. case ProfileConditionValue.AudioBitDepth:
  172. return TranscodeReason.AudioBitDepthNotSupported;
  173. case ProfileConditionValue.VideoBitrate:
  174. return TranscodeReason.VideoBitrateNotSupported;
  175. case ProfileConditionValue.VideoCodecTag:
  176. return TranscodeReason.VideoCodecNotSupported;
  177. case ProfileConditionValue.VideoFramerate:
  178. return TranscodeReason.VideoFramerateNotSupported;
  179. case ProfileConditionValue.VideoLevel:
  180. return TranscodeReason.VideoLevelNotSupported;
  181. case ProfileConditionValue.VideoProfile:
  182. return TranscodeReason.VideoProfileNotSupported;
  183. case ProfileConditionValue.VideoTimestamp:
  184. // TODO
  185. return 0;
  186. case ProfileConditionValue.Width:
  187. return TranscodeReason.VideoResolutionNotSupported;
  188. default:
  189. return 0;
  190. }
  191. }
  192. public static string NormalizeMediaSourceFormatIntoSingleContainer(string inputContainer, DeviceProfile profile, DlnaProfileType type, DirectPlayProfile playProfile = null)
  193. {
  194. if (string.IsNullOrEmpty(inputContainer))
  195. {
  196. return null;
  197. }
  198. var formats = ContainerProfile.SplitValue(inputContainer);
  199. if (profile != null)
  200. {
  201. var playProfiles = playProfile == null ? profile.DirectPlayProfiles : new[] { playProfile };
  202. foreach (var format in formats)
  203. {
  204. foreach (var directPlayProfile in playProfiles)
  205. {
  206. if (directPlayProfile.Type == type
  207. && directPlayProfile.SupportsContainer(format))
  208. {
  209. return format;
  210. }
  211. }
  212. }
  213. }
  214. return formats[0];
  215. }
  216. private StreamInfo BuildAudioItem(MediaSourceInfo item, AudioOptions options)
  217. {
  218. StreamInfo playlistItem = new StreamInfo
  219. {
  220. ItemId = options.ItemId,
  221. MediaType = DlnaProfileType.Audio,
  222. MediaSource = item,
  223. RunTimeTicks = item.RunTimeTicks,
  224. Context = options.Context,
  225. DeviceProfile = options.Profile
  226. };
  227. if (options.ForceDirectPlay)
  228. {
  229. playlistItem.PlayMethod = PlayMethod.DirectPlay;
  230. playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);
  231. return playlistItem;
  232. }
  233. if (options.ForceDirectStream)
  234. {
  235. playlistItem.PlayMethod = PlayMethod.DirectStream;
  236. playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);
  237. return playlistItem;
  238. }
  239. var audioStream = item.GetDefaultAudioStream(null);
  240. var directPlayInfo = GetAudioDirectPlayProfile(item, audioStream, options);
  241. var directPlayMethod = directPlayInfo.PlayMethod;
  242. var transcodeReasons = directPlayInfo.TranscodeReasons;
  243. int? inputAudioChannels = audioStream?.Channels;
  244. int? inputAudioBitrate = audioStream?.BitDepth;
  245. int? inputAudioSampleRate = audioStream?.SampleRate;
  246. int? inputAudioBitDepth = audioStream?.BitDepth;
  247. if (directPlayMethod.HasValue)
  248. {
  249. var profile = options.Profile;
  250. var audioFailureConditions = GetProfileConditionsForAudio(profile.CodecProfiles, item.Container, audioStream?.Codec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, true);
  251. var audioFailureReasons = AggregateFailureConditions(item, profile, "AudioCodecProfile", audioFailureConditions);
  252. transcodeReasons |= audioFailureReasons;
  253. if (audioFailureReasons == 0)
  254. {
  255. playlistItem.PlayMethod = directPlayMethod.Value;
  256. playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio, directPlayInfo.Profile);
  257. return playlistItem;
  258. }
  259. }
  260. TranscodingProfile transcodingProfile = null;
  261. foreach (var i in options.Profile.TranscodingProfiles)
  262. {
  263. if (i.Type == playlistItem.MediaType
  264. && i.Context == options.Context
  265. && _transcoderSupport.CanEncodeToAudioCodec(i.AudioCodec ?? i.Container))
  266. {
  267. transcodingProfile = i;
  268. break;
  269. }
  270. }
  271. if (transcodingProfile != null)
  272. {
  273. if (!item.SupportsTranscoding)
  274. {
  275. return null;
  276. }
  277. SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
  278. var audioTranscodingConditions = GetProfileConditionsForAudio(options.Profile.CodecProfiles, transcodingProfile.Container, transcodingProfile.AudioCodec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, false).ToArray();
  279. ApplyTranscodingConditions(playlistItem, audioTranscodingConditions, null, true, true);
  280. // Honor requested max channels
  281. playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
  282. var configuredBitrate = options.GetMaxBitrate(true);
  283. long transcodingBitrate = options.AudioTranscodingBitrate ??
  284. (options.Context == EncodingContext.Streaming ? options.Profile.MusicStreamingTranscodingBitrate : null) ??
  285. configuredBitrate ??
  286. 128000;
  287. if (configuredBitrate.HasValue)
  288. {
  289. transcodingBitrate = Math.Min(configuredBitrate.Value, transcodingBitrate);
  290. }
  291. var longBitrate = Math.Min(transcodingBitrate, playlistItem.AudioBitrate ?? transcodingBitrate);
  292. playlistItem.AudioBitrate = longBitrate > int.MaxValue ? int.MaxValue : Convert.ToInt32(longBitrate);
  293. }
  294. playlistItem.TranscodeReasons = transcodeReasons;
  295. return playlistItem;
  296. }
  297. private (DirectPlayProfile Profile, PlayMethod? PlayMethod, TranscodeReason TranscodeReasons) GetAudioDirectPlayProfile(MediaSourceInfo item, MediaStream audioStream, AudioOptions options)
  298. {
  299. var directPlayProfile = options.Profile.DirectPlayProfiles
  300. .FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(x, item, audioStream));
  301. if (directPlayProfile == null)
  302. {
  303. _logger.LogDebug(
  304. "Profile: {0}, No audio direct play profiles found for {1} with codec {2}",
  305. options.Profile.Name ?? "Unknown Profile",
  306. item.Path ?? "Unknown path",
  307. audioStream.Codec ?? "Unknown codec");
  308. return (null, null, GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));
  309. }
  310. var playMethods = new List<PlayMethod>();
  311. TranscodeReason transcodeReasons = 0;
  312. // The profile describes what the device supports
  313. // If device requirements are satisfied then allow both direct stream and direct play
  314. if (item.SupportsDirectPlay)
  315. {
  316. if (IsItemBitrateEligibleForDirectPlay(item, options.GetMaxBitrate(true) ?? 0, PlayMethod.DirectPlay))
  317. {
  318. if (options.EnableDirectPlay)
  319. {
  320. return (directPlayProfile, PlayMethod.DirectPlay, 0);
  321. }
  322. }
  323. else
  324. {
  325. transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
  326. }
  327. }
  328. // While options takes the network and other factors into account. Only applies to direct stream
  329. if (item.SupportsDirectStream)
  330. {
  331. if (IsItemBitrateEligibleForDirectPlay(item, options.GetMaxBitrate(true) ?? 0, PlayMethod.DirectStream))
  332. {
  333. if (options.EnableDirectStream)
  334. {
  335. return (directPlayProfile, PlayMethod.DirectStream, transcodeReasons);
  336. }
  337. }
  338. else
  339. {
  340. transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
  341. }
  342. }
  343. return (directPlayProfile, null, transcodeReasons);
  344. }
  345. private static TranscodeReason GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream, IEnumerable<DirectPlayProfile> directPlayProfiles)
  346. {
  347. var mediaType = videoStream == null ? DlnaProfileType.Audio : DlnaProfileType.Video;
  348. var containerSupported = false;
  349. var audioSupported = false;
  350. var videoSupported = false;
  351. TranscodeReason reasons = 0;
  352. foreach (var profile in directPlayProfiles)
  353. {
  354. // Check container type
  355. if (profile.Type == mediaType && profile.SupportsContainer(item.Container))
  356. {
  357. containerSupported = true;
  358. videoSupported = videoStream != null && profile.SupportsVideoCodec(videoStream.Codec);
  359. audioSupported = audioStream != null && profile.SupportsAudioCodec(audioStream.Codec);
  360. if (videoSupported && audioSupported)
  361. {
  362. break;
  363. }
  364. }
  365. }
  366. var list = new List<TranscodeReason>();
  367. if (!containerSupported)
  368. {
  369. reasons |= TranscodeReason.ContainerNotSupported;
  370. }
  371. if (videoStream != null && !videoSupported)
  372. {
  373. reasons |= TranscodeReason.VideoCodecNotSupported;
  374. }
  375. if (audioStream != null && !audioSupported)
  376. {
  377. reasons |= TranscodeReason.AudioCodecNotSupported;
  378. }
  379. return reasons;
  380. }
  381. private static int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
  382. {
  383. int highestScore = -1;
  384. foreach (var stream in item.MediaStreams)
  385. {
  386. if (stream.Type == MediaStreamType.Subtitle
  387. && stream.Score.HasValue
  388. && stream.Score.Value > highestScore)
  389. {
  390. highestScore = stream.Score.Value;
  391. }
  392. }
  393. var topStreams = new List<MediaStream>();
  394. foreach (var stream in item.MediaStreams)
  395. {
  396. if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue && stream.Score.Value == highestScore)
  397. {
  398. topStreams.Add(stream);
  399. }
  400. }
  401. // If multiple streams have an equal score, try to pick the most efficient one
  402. if (topStreams.Count > 1)
  403. {
  404. foreach (var stream in topStreams)
  405. {
  406. foreach (var profile in subtitleProfiles)
  407. {
  408. if (profile.Method == SubtitleDeliveryMethod.External && string.Equals(profile.Format, stream.Codec, StringComparison.OrdinalIgnoreCase))
  409. {
  410. return stream.Index;
  411. }
  412. }
  413. }
  414. }
  415. // If no optimization panned out, just use the original default
  416. return item.DefaultSubtitleStreamIndex;
  417. }
  418. private static void SetStreamInfoOptionsFromTranscodingProfile(MediaSourceInfo item, StreamInfo playlistItem, TranscodingProfile transcodingProfile)
  419. {
  420. var container = transcodingProfile.Container;
  421. var protocol = transcodingProfile.Protocol;
  422. item.TranscodingContainer = container;
  423. item.TranscodingSubProtocol = protocol;
  424. if (playlistItem.PlayMethod == PlayMethod.Transcode)
  425. {
  426. playlistItem.Container = container;
  427. playlistItem.SubProtocol = protocol;
  428. }
  429. playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
  430. if (!string.IsNullOrEmpty(transcodingProfile.MaxAudioChannels)
  431. && int.TryParse(transcodingProfile.MaxAudioChannels, NumberStyles.Any, CultureInfo.InvariantCulture, out int transcodingMaxAudioChannels))
  432. {
  433. playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
  434. }
  435. playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
  436. playlistItem.CopyTimestamps = transcodingProfile.CopyTimestamps;
  437. playlistItem.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;
  438. playlistItem.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
  439. playlistItem.BreakOnNonKeyFrames = transcodingProfile.BreakOnNonKeyFrames;
  440. if (transcodingProfile.MinSegments > 0)
  441. {
  442. playlistItem.MinSegments = transcodingProfile.MinSegments;
  443. }
  444. if (transcodingProfile.SegmentLength > 0)
  445. {
  446. playlistItem.SegmentLength = transcodingProfile.SegmentLength;
  447. }
  448. }
  449. private static void SetStreamInfoOptionsFromDirectPlayProfile(VideoOptions options, MediaSourceInfo item, StreamInfo playlistItem, DirectPlayProfile directPlayProfile)
  450. {
  451. var container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);
  452. var protocol = "http";
  453. item.TranscodingContainer = container;
  454. item.TranscodingSubProtocol = protocol;
  455. playlistItem.Container = container;
  456. playlistItem.SubProtocol = protocol;
  457. playlistItem.VideoCodecs = new[] { item.VideoStream.Codec };
  458. playlistItem.AudioCodecs = ContainerProfile.SplitValue(directPlayProfile.AudioCodec);
  459. }
  460. private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
  461. {
  462. if (item == null)
  463. {
  464. throw new ArgumentNullException(nameof(item));
  465. }
  466. StreamInfo playlistItem = new StreamInfo
  467. {
  468. ItemId = options.ItemId,
  469. MediaType = DlnaProfileType.Video,
  470. MediaSource = item,
  471. RunTimeTicks = item.RunTimeTicks,
  472. Context = options.Context,
  473. DeviceProfile = options.Profile
  474. };
  475. playlistItem.SubtitleStreamIndex = options.SubtitleStreamIndex ?? GetDefaultSubtitleStreamIndex(item, options.Profile.SubtitleProfiles);
  476. var subtitleStream = playlistItem.SubtitleStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Subtitle, playlistItem.SubtitleStreamIndex.Value) : null;
  477. var audioStream = item.GetDefaultAudioStream(options.AudioStreamIndex ?? item.DefaultAudioStreamIndex);
  478. if (audioStream != null)
  479. {
  480. playlistItem.AudioStreamIndex = audioStream.Index;
  481. }
  482. // Collect candidate audio streams
  483. IEnumerable<MediaStream> candidateAudioStreams = audioStream == null ? Array.Empty<MediaStream>() : new[] { audioStream };
  484. if (!options.AudioStreamIndex.HasValue || options.AudioStreamIndex < 0)
  485. {
  486. if (audioStream?.IsDefault == true)
  487. {
  488. candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.IsDefault);
  489. }
  490. else
  491. {
  492. candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.Language == audioStream?.Language);
  493. }
  494. }
  495. candidateAudioStreams = candidateAudioStreams.ToArray();
  496. var videoStream = item.VideoStream;
  497. var directPlayEligibilityResult = IsEligibleForDirectPlay(item, options.GetMaxBitrate(false) ?? 0, options, PlayMethod.DirectPlay);
  498. var directStreamEligibilityResult = IsEligibleForDirectPlay(item, options.GetMaxBitrate(false) ?? 0, options, PlayMethod.DirectStream);
  499. bool isEligibleForDirectPlay = options.EnableDirectPlay && (options.ForceDirectPlay || directPlayEligibilityResult == 0);
  500. bool isEligibleForDirectStream = options.EnableDirectStream && (options.ForceDirectStream || directPlayEligibilityResult == 0);
  501. var transcodeReasons = directPlayEligibilityResult | directStreamEligibilityResult;
  502. _logger.LogDebug(
  503. "Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",
  504. options.Profile.Name ?? "Unknown Profile",
  505. item.Path ?? "Unknown path",
  506. isEligibleForDirectPlay,
  507. isEligibleForDirectStream);
  508. DirectPlayProfile directPlayProfile = null;
  509. if (isEligibleForDirectPlay || isEligibleForDirectStream)
  510. {
  511. // See if it can be direct played
  512. var directPlayInfo = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, candidateAudioStreams, subtitleStream, isEligibleForDirectPlay, isEligibleForDirectStream);
  513. var directPlay = directPlayInfo.PlayMethod;
  514. transcodeReasons |= directPlayInfo.TranscodeReasons;
  515. if (directPlay != null)
  516. {
  517. directPlayProfile = directPlayInfo.Profile;
  518. playlistItem.PlayMethod = directPlay.Value;
  519. playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);
  520. playlistItem.VideoCodecs = new[] { videoStream.Codec };
  521. if (directPlay == PlayMethod.DirectPlay)
  522. {
  523. playlistItem.SubProtocol = "http";
  524. var audioStreamIndex = directPlayInfo.AudioStreamIndex ?? audioStream?.Index;
  525. if (audioStreamIndex.HasValue)
  526. {
  527. playlistItem.AudioStreamIndex = audioStreamIndex;
  528. playlistItem.AudioCodecs = new[] { item.GetMediaStream(MediaStreamType.Audio, audioStreamIndex.Value)?.Codec };
  529. }
  530. }
  531. else if (directPlay == PlayMethod.DirectStream)
  532. {
  533. playlistItem.AudioStreamIndex = audioStream?.Index;
  534. if (audioStream != null)
  535. {
  536. playlistItem.AudioCodecs = ContainerProfile.SplitValue(directPlayProfile.AudioCodec);
  537. }
  538. SetStreamInfoOptionsFromDirectPlayProfile(options, item, playlistItem, directPlayProfile);
  539. BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStreams, directPlayProfile.Container, directPlayProfile.VideoCodec, directPlayProfile.AudioCodec);
  540. }
  541. if (subtitleStream != null)
  542. {
  543. var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value, _transcoderSupport, directPlayProfile.Container, null);
  544. playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
  545. playlistItem.SubtitleFormat = subtitleProfile.Format;
  546. }
  547. }
  548. _logger.LogDebug(
  549. "DirectPlay Result for Profile: {0}, Path: {1}, PlayMethod: {2}, AudioStreamIndex: {3}, SubtitleStreamIndex: {4}, Reasons: {5}",
  550. options.Profile.Name ?? "Anonymous Profile",
  551. item.Path ?? "Unknown path",
  552. directPlayInfo.PlayMethod,
  553. directPlayInfo.AudioStreamIndex ?? audioStream?.Index,
  554. playlistItem.SubtitleStreamIndex,
  555. directPlayInfo.TranscodeReasons);
  556. }
  557. playlistItem.TranscodeReasons = transcodeReasons;
  558. if (playlistItem.PlayMethod != PlayMethod.DirectStream || !options.EnableDirectStream)
  559. {
  560. // Can't direct play, find the transcoding profile
  561. // If we do this for direct-stream we will overwrite the info
  562. var transcodingProfile = GetVideoTranscodeProfile(item, options, videoStream, audioStream, candidateAudioStreams, subtitleStream, playlistItem);
  563. if (transcodingProfile != null)
  564. {
  565. SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
  566. BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStreams, transcodingProfile.Container, transcodingProfile.VideoCodec, transcodingProfile.AudioCodec);
  567. if (subtitleStream != null)
  568. {
  569. var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode, _transcoderSupport, transcodingProfile.Container, transcodingProfile.Protocol);
  570. playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
  571. playlistItem.SubtitleFormat = subtitleProfile.Format;
  572. playlistItem.SubtitleCodecs = new[] { subtitleProfile.Format };
  573. }
  574. if (playlistItem.PlayMethod != PlayMethod.DirectPlay)
  575. {
  576. playlistItem.PlayMethod = PlayMethod.Transcode;
  577. if ((playlistItem.TranscodeReasons & (VideoReasons | TranscodeReason.ContainerBitrateExceedsLimit)) != 0)
  578. {
  579. ApplyTranscodingConditions(playlistItem, transcodingProfile.Conditions, null, true, true);
  580. }
  581. }
  582. }
  583. }
  584. _logger.LogInformation(
  585. "StreamBuilder.BuildVideoItem( Profile={0}, Path={1}, AudioStreamIndex={2}, SubtitleStreamIndex={3} ) => ( PlayMethod={4}, TranscodeReason={5} ) {6}",
  586. options.Profile.Name ?? "Anonymous Profile",
  587. item.Path ?? "Unknown path",
  588. options.AudioStreamIndex,
  589. options.SubtitleStreamIndex,
  590. playlistItem.PlayMethod,
  591. playlistItem.TranscodeReasons,
  592. playlistItem.ToUrl("media:", "<token>"));
  593. item.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);
  594. return playlistItem;
  595. }
  596. private TranscodingProfile GetVideoTranscodeProfile(MediaSourceInfo item, VideoOptions options, MediaStream videoStream, MediaStream audioStream, IEnumerable<MediaStream> candidateAudioStreams, MediaStream subtitleStream, StreamInfo playlistItem)
  597. {
  598. if (!(item.SupportsTranscoding || item.SupportsDirectStream))
  599. {
  600. return null;
  601. }
  602. var transcodingProfiles = options.Profile.TranscodingProfiles
  603. .Where(i => i.Type == playlistItem.MediaType && i.Context == options.Context);
  604. if (options.AllowVideoStreamCopy)
  605. {
  606. // prefer direct copy profile
  607. float videoFramerate = videoStream == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
  608. TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : item.Timestamp;
  609. int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);
  610. int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);
  611. transcodingProfiles = transcodingProfiles.ToLookup(transcodingProfile =>
  612. {
  613. var videoCodecs = ContainerProfile.SplitValue(transcodingProfile.VideoCodec);
  614. if (ContainerProfile.ContainsContainer(videoCodecs, item.VideoStream?.Codec))
  615. {
  616. var videoCodec = transcodingProfile.VideoCodec;
  617. var container = transcodingProfile.Container;
  618. var appliedVideoConditions = options.Profile.CodecProfiles
  619. .Where(i => i.Type == CodecType.Video &&
  620. i.ContainsAnyCodec(videoCodec, container) &&
  621. i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition, videoStream?.Width, videoStream?.Height, videoStream?.BitDepth, videoStream?.BitRate, videoStream?.Profile, videoStream?.Level, videoFramerate, videoStream?.PacketLength, timestamp, videoStream?.IsAnamorphic, videoStream?.IsInterlaced, videoStream?.RefFrames, numVideoStreams, numAudioStreams, videoStream?.CodecTag, videoStream?.IsAVC)))
  622. .Select(i =>
  623. i.Conditions.All(condition => ConditionProcessor.IsVideoConditionSatisfied(condition, videoStream?.Width, videoStream?.Height, videoStream?.BitDepth, videoStream?.BitRate, videoStream?.Profile, videoStream?.Level, videoFramerate, videoStream?.PacketLength, timestamp, videoStream?.IsAnamorphic, videoStream?.IsInterlaced, videoStream?.RefFrames, numVideoStreams, numAudioStreams, videoStream?.CodecTag, videoStream?.IsAVC)));
  624. // An empty appliedVideoConditions means that the codec has no conditions for the current video stream
  625. var conditionsSatisfied = appliedVideoConditions.All(satisfied => satisfied);
  626. return conditionsSatisfied ? 1 : 2;
  627. }
  628. return 3;
  629. })
  630. .OrderBy(lookup => lookup.Key)
  631. .SelectMany(lookup => lookup);
  632. }
  633. return transcodingProfiles.FirstOrDefault();
  634. }
  635. private void BuildStreamVideoItem(StreamInfo playlistItem, VideoOptions options, MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream, IEnumerable<MediaStream> candidateAudioStreams, string container, string videoCodec, string audioCodec)
  636. {
  637. var videoCodecs = ContainerProfile.SplitValue(videoCodec);
  638. var directVideoCodec = ContainerProfile.ContainsContainer(videoCodecs, videoStream?.Codec) ? videoStream?.Codec : null;
  639. if (directVideoCodec != null)
  640. {
  641. // merge directVideoCodec to videoCodecs
  642. Array.Resize(ref videoCodecs, videoCodecs.Length + 1);
  643. videoCodecs[^1] = directVideoCodec;
  644. }
  645. playlistItem.VideoCodecs = videoCodecs;
  646. // copy video codec options as a starting point, this applies to transcode and direct-stream
  647. playlistItem.MaxFramerate = videoStream?.AverageFrameRate;
  648. var qualifier = videoStream?.Codec;
  649. if (videoStream?.Level != null)
  650. {
  651. playlistItem.SetOption(qualifier, "level", videoStream.Level.Value.ToString(CultureInfo.InvariantCulture));
  652. }
  653. if (videoStream?.BitDepth != null)
  654. {
  655. playlistItem.SetOption(qualifier, "videobitdepth", videoStream.BitDepth.Value.ToString(CultureInfo.InvariantCulture));
  656. }
  657. if (!string.IsNullOrEmpty(videoStream?.Profile))
  658. {
  659. playlistItem.SetOption(qualifier, "profile", videoStream.Profile.ToLowerInvariant());
  660. }
  661. if (videoStream != null && videoStream.Level != 0)
  662. {
  663. playlistItem.SetOption(qualifier, "level", videoStream.Level.ToString());
  664. }
  665. // prefer matching audio codecs, could do better here
  666. var audioCodecs = ContainerProfile.SplitValue(audioCodec);
  667. var directAudioStream = candidateAudioStreams.FirstOrDefault(stream => ContainerProfile.ContainsContainer(audioCodecs, stream.Codec));
  668. playlistItem.AudioCodecs = audioCodecs;
  669. if (directAudioStream != null)
  670. {
  671. audioStream = directAudioStream;
  672. playlistItem.AudioStreamIndex = audioStream.Index;
  673. playlistItem.AudioCodecs = new[] { audioStream.Codec };
  674. // copy matching audio codec options
  675. playlistItem.AudioSampleRate = audioStream.SampleRate;
  676. playlistItem.SetOption(qualifier, "audiochannels", audioStream.Channels.ToString());
  677. if (!string.IsNullOrEmpty(audioStream.Profile))
  678. {
  679. playlistItem.SetOption(audioStream.Codec, "profile", audioStream.Profile.ToLowerInvariant());
  680. }
  681. if (audioStream.Level != 0)
  682. {
  683. playlistItem.SetOption(audioStream.Codec, "level", audioStream.Level.ToString());
  684. }
  685. }
  686. int? width = videoStream?.Width;
  687. int? height = videoStream?.Height;
  688. int? bitDepth = videoStream?.BitDepth;
  689. int? videoBitrate = videoStream?.BitRate;
  690. double? videoLevel = videoStream?.Level;
  691. string videoProfile = videoStream?.Profile;
  692. float videoFramerate = videoStream == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
  693. bool? isAnamorphic = videoStream?.IsAnamorphic;
  694. bool? isInterlaced = videoStream?.IsInterlaced;
  695. string videoCodecTag = videoStream?.CodecTag;
  696. bool? isAvc = videoStream?.IsAVC;
  697. TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : item.Timestamp;
  698. int? packetLength = videoStream?.PacketLength;
  699. int? refFrames = videoStream?.RefFrames;
  700. int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);
  701. int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);
  702. var appliedVideoConditions = options.Profile.CodecProfiles
  703. .Where(i => i.Type == CodecType.Video &&
  704. i.ContainsAnyCodec(videoCodec, container) &&
  705. i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc)));
  706. var isFirstAppliedCodecProfile = true;
  707. foreach (var i in appliedVideoConditions)
  708. {
  709. var transcodingVideoCodecs = ContainerProfile.SplitValue(videoCodec);
  710. foreach (var transcodingVideoCodec in transcodingVideoCodecs)
  711. {
  712. if (i.ContainsAnyCodec(transcodingVideoCodec, container))
  713. {
  714. ApplyTranscodingConditions(playlistItem, i.Conditions, transcodingVideoCodec, true, isFirstAppliedCodecProfile);
  715. isFirstAppliedCodecProfile = false;
  716. continue;
  717. }
  718. }
  719. }
  720. // Honor requested max channels
  721. playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
  722. int audioBitrate = GetAudioBitrate(options.GetMaxBitrate(false) ?? 0, playlistItem.TargetAudioCodec, audioStream, playlistItem);
  723. playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);
  724. bool? isSecondaryAudio = audioStream == null ? null : item.IsSecondaryAudio(audioStream);
  725. int? inputAudioBitrate = audioStream == null ? null : audioStream.BitRate;
  726. int? audioChannels = audioStream == null ? null : audioStream.Channels;
  727. string audioProfile = audioStream == null ? null : audioStream.Profile;
  728. int? inputAudioSampleRate = audioStream == null ? null : audioStream.SampleRate;
  729. int? inputAudioBitDepth = audioStream == null ? null : audioStream.BitDepth;
  730. var appliedAudioConditions = options.Profile.CodecProfiles
  731. .Where(i => i.Type == CodecType.VideoAudio &&
  732. i.ContainsAnyCodec(audioCodec, container) &&
  733. i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, audioProfile, isSecondaryAudio)));
  734. isFirstAppliedCodecProfile = true;
  735. foreach (var i in appliedAudioConditions)
  736. {
  737. var transcodingAudioCodecs = ContainerProfile.SplitValue(audioCodec);
  738. foreach (var transcodingAudioCodec in transcodingAudioCodecs)
  739. {
  740. if (i.ContainsAnyCodec(transcodingAudioCodec, container))
  741. {
  742. ApplyTranscodingConditions(playlistItem, i.Conditions, transcodingAudioCodec, true, isFirstAppliedCodecProfile);
  743. isFirstAppliedCodecProfile = false;
  744. break;
  745. }
  746. }
  747. }
  748. var maxBitrateSetting = options.GetMaxBitrate(false);
  749. // Honor max rate
  750. if (maxBitrateSetting.HasValue)
  751. {
  752. var availableBitrateForVideo = maxBitrateSetting.Value;
  753. if (playlistItem.AudioBitrate.HasValue)
  754. {
  755. availableBitrateForVideo -= playlistItem.AudioBitrate.Value;
  756. }
  757. // Make sure the video bitrate is lower than bitrate settings but at least 64k
  758. // Don't use Math.Clamp as availableBitrateForVideo can be lower then 64k.
  759. var currentValue = playlistItem.VideoBitrate ?? availableBitrateForVideo;
  760. playlistItem.VideoBitrate = Math.Max(Math.Min(availableBitrateForVideo, currentValue), 64_000);
  761. }
  762. _logger.LogDebug(
  763. "Transcode Result for Profile: {Profile}, Path: {Path}, PlayMethod: {PlayMethod}, AudioStreamIndex: {AudioStreamIndex}, SubtitleStreamIndex: {SubtitleStreamIndex}, Reasons: {TranscodeReason}",
  764. options.Profile?.Name ?? "Anonymous Profile",
  765. item.Path ?? "Unknown path",
  766. playlistItem?.PlayMethod,
  767. audioStream?.Index,
  768. playlistItem?.SubtitleStreamIndex,
  769. playlistItem?.TranscodeReasons);
  770. }
  771. private static int GetDefaultAudioBitrate(string audioCodec, int? audioChannels)
  772. {
  773. if (!string.IsNullOrEmpty(audioCodec))
  774. {
  775. // Default to a higher bitrate for stream copy
  776. if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase)
  777. || string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase)
  778. || string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase)
  779. || string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase))
  780. {
  781. if ((audioChannels ?? 0) < 2)
  782. {
  783. return 128000;
  784. }
  785. return (audioChannels ?? 0) >= 6 ? 640000 : 384000;
  786. }
  787. if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase)
  788. || string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase))
  789. {
  790. if ((audioChannels ?? 0) < 2)
  791. {
  792. return 768000;
  793. }
  794. return (audioChannels ?? 0) >= 6 ? 3584000 : 1536000;
  795. }
  796. }
  797. return 192000;
  798. }
  799. private static int GetAudioBitrate(long maxTotalBitrate, string[] targetAudioCodecs, MediaStream audioStream, StreamInfo item)
  800. {
  801. string targetAudioCodec = targetAudioCodecs.Length == 0 ? null : targetAudioCodecs[0];
  802. int? targetAudioChannels = item.GetTargetAudioChannels(targetAudioCodec);
  803. int defaultBitrate;
  804. int encoderAudioBitrateLimit = int.MaxValue;
  805. if (audioStream == null)
  806. {
  807. defaultBitrate = 192000;
  808. }
  809. else
  810. {
  811. if (targetAudioChannels.HasValue
  812. && audioStream.Channels.HasValue
  813. && audioStream.Channels.Value > targetAudioChannels.Value)
  814. {
  815. // Reduce the bitrate if we're downmixing.
  816. defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);
  817. }
  818. else if (targetAudioChannels.HasValue
  819. && audioStream.Channels.HasValue
  820. && audioStream.Channels.Value <= targetAudioChannels.Value
  821. && !string.IsNullOrEmpty(audioStream.Codec)
  822. && targetAudioCodecs != null
  823. && targetAudioCodecs.Length > 0
  824. && !Array.Exists(targetAudioCodecs, elem => string.Equals(audioStream.Codec, elem, StringComparison.OrdinalIgnoreCase)))
  825. {
  826. // Shift the bitrate if we're transcoding to a different audio codec.
  827. defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, audioStream.Channels.Value);
  828. }
  829. else
  830. {
  831. defaultBitrate = audioStream.BitRate ?? GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);
  832. }
  833. // Seeing webm encoding failures when source has 1 audio channel and 22k bitrate.
  834. // Any attempts to transcode over 64k will fail
  835. if (audioStream.Channels == 1
  836. && (audioStream.BitRate ?? 0) < 64000)
  837. {
  838. encoderAudioBitrateLimit = 64000;
  839. }
  840. }
  841. if (maxTotalBitrate > 0)
  842. {
  843. defaultBitrate = Math.Min(GetMaxAudioBitrateForTotalBitrate(maxTotalBitrate), defaultBitrate);
  844. }
  845. return Math.Min(defaultBitrate, encoderAudioBitrateLimit);
  846. }
  847. private static int GetMaxAudioBitrateForTotalBitrate(long totalBitrate)
  848. {
  849. if (totalBitrate <= 640000)
  850. {
  851. return 128000;
  852. }
  853. else if (totalBitrate <= 2000000)
  854. {
  855. return 384000;
  856. }
  857. else if (totalBitrate <= 3000000)
  858. {
  859. return 448000;
  860. }
  861. else if (totalBitrate <= 4000000)
  862. {
  863. return 640000;
  864. }
  865. else if (totalBitrate <= 5000000)
  866. {
  867. return 768000;
  868. }
  869. else if (totalBitrate <= 10000000)
  870. {
  871. return 1536000;
  872. }
  873. else if (totalBitrate <= 15000000)
  874. {
  875. return 2304000;
  876. }
  877. else if (totalBitrate <= 20000000)
  878. {
  879. return 3584000;
  880. }
  881. return 7168000;
  882. }
  883. private (DirectPlayProfile Profile, PlayMethod? PlayMethod, int? AudioStreamIndex, TranscodeReason TranscodeReasons) GetVideoDirectPlayProfile(
  884. VideoOptions options,
  885. MediaSourceInfo mediaSource,
  886. MediaStream videoStream,
  887. MediaStream audioStream,
  888. IEnumerable<MediaStream> candidateAudioStreams,
  889. MediaStream subtitleStream,
  890. bool isEligibleForDirectPlay,
  891. bool isEligibleForDirectStream)
  892. {
  893. if (options.ForceDirectPlay)
  894. {
  895. return (null, PlayMethod.DirectPlay, audioStream?.Index, 0);
  896. }
  897. if (options.ForceDirectStream)
  898. {
  899. return (null, PlayMethod.DirectStream, audioStream?.Index, 0);
  900. }
  901. DeviceProfile profile = options.Profile;
  902. string container = mediaSource.Container;
  903. // video
  904. int? width = videoStream?.Width;
  905. int? height = videoStream?.Height;
  906. int? bitDepth = videoStream?.BitDepth;
  907. int? videoBitrate = videoStream?.BitRate;
  908. double? videoLevel = videoStream?.Level;
  909. string videoProfile = videoStream?.Profile;
  910. float videoFramerate = videoStream == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
  911. bool? isAnamorphic = videoStream?.IsAnamorphic;
  912. bool? isInterlaced = videoStream?.IsInterlaced;
  913. string videoCodecTag = videoStream?.CodecTag;
  914. bool? isAvc = videoStream?.IsAVC;
  915. // audio
  916. var defaultLanguage = audioStream?.Language ?? string.Empty;
  917. var defaultMarked = audioStream?.IsDefault ?? false;
  918. TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : mediaSource.Timestamp;
  919. int? packetLength = videoStream?.PacketLength;
  920. int? refFrames = videoStream?.RefFrames;
  921. int? numAudioStreams = mediaSource.GetStreamCount(MediaStreamType.Audio);
  922. int? numVideoStreams = mediaSource.GetStreamCount(MediaStreamType.Video);
  923. var checkVideoConditions = (ProfileCondition[] conditions) =>
  924. conditions.Where(applyCondition => !ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc));
  925. // Check container conditions
  926. var containerProfileReasons = AggregateFailureConditions(
  927. mediaSource,
  928. profile,
  929. "VideoCodecProfile",
  930. profile.ContainerProfiles
  931. .Where(containerProfile => containerProfile.Type == DlnaProfileType.Video && containerProfile.ContainsContainer(container))
  932. .SelectMany(containerProfile => checkVideoConditions(containerProfile.Conditions)));
  933. // Check video conditions
  934. var videoCodecProfileReasons = AggregateFailureConditions(
  935. mediaSource,
  936. profile,
  937. "VideoCodecProfile",
  938. profile.CodecProfiles
  939. .Where(codecProfile => codecProfile.Type == CodecType.Video && codecProfile.ContainsAnyCodec(videoStream?.Codec, container) &&
  940. !checkVideoConditions(codecProfile.ApplyConditions).Any())
  941. .SelectMany(codecProfile => checkVideoConditions(codecProfile.Conditions)));
  942. // Check audiocandidates profile conditions
  943. var audioStreamMatches = candidateAudioStreams.ToDictionary(s => s, audioStream => CheckVideoAudioStreamDirectPlay(options, mediaSource, container, audioStream, defaultLanguage, defaultMarked));
  944. TranscodeReason subtitleProfileReasons = 0;
  945. if (subtitleStream != null)
  946. {
  947. var subtitleProfile = GetSubtitleProfile(mediaSource, subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.DirectPlay, _transcoderSupport, container, null);
  948. if (subtitleProfile.Method != SubtitleDeliveryMethod.Drop
  949. && subtitleProfile.Method != SubtitleDeliveryMethod.External
  950. && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
  951. {
  952. _logger.LogDebug("Not eligible for {0} due to unsupported subtitles", PlayMethod.DirectPlay);
  953. subtitleProfileReasons |= TranscodeReason.SubtitleCodecNotSupported;
  954. }
  955. }
  956. var rankings = new[] { VideoReasons, AudioReasons, ContainerReasons };
  957. var rank = (ref TranscodeReason a) =>
  958. {
  959. var index = 1;
  960. foreach (var flag in rankings)
  961. {
  962. var reason = a & flag;
  963. if (reason != 0)
  964. {
  965. a = reason;
  966. return index;
  967. }
  968. index++;
  969. }
  970. return index;
  971. };
  972. // Check DirectPlay profiles to see if it can be direct played
  973. var analyzedProfiles = profile.DirectPlayProfiles
  974. .Where(directPlayProfile => directPlayProfile.Type == DlnaProfileType.Video)
  975. .Select((directPlayProfile, order) =>
  976. {
  977. TranscodeReason directPlayProfileReasons = 0;
  978. TranscodeReason audioCodecProfileReasons = 0;
  979. // Check container type
  980. if (!directPlayProfile.SupportsContainer(container))
  981. {
  982. directPlayProfileReasons |= TranscodeReason.ContainerNotSupported;
  983. }
  984. // Check video codec
  985. string videoCodec = videoStream?.Codec;
  986. if (!directPlayProfile.SupportsVideoCodec(videoCodec))
  987. {
  988. directPlayProfileReasons |= TranscodeReason.VideoCodecNotSupported;
  989. }
  990. // Check audio codec
  991. var selectedAudioStream = candidateAudioStreams.FirstOrDefault(audioStream => directPlayProfile.SupportsAudioCodec(audioStream.Codec));
  992. if (selectedAudioStream == null)
  993. {
  994. directPlayProfileReasons |= TranscodeReason.AudioCodecNotSupported;
  995. }
  996. else
  997. {
  998. audioCodecProfileReasons = audioStreamMatches.GetValueOrDefault(selectedAudioStream);
  999. }
  1000. var failureReasons = directPlayProfileReasons | containerProfileReasons | subtitleProfileReasons;
  1001. if ((failureReasons & TranscodeReason.VideoCodecNotSupported) == 0)
  1002. {
  1003. failureReasons |= videoCodecProfileReasons;
  1004. }
  1005. if ((failureReasons & TranscodeReason.AudioCodecNotSupported) == 0)
  1006. {
  1007. failureReasons |= audioCodecProfileReasons;
  1008. }
  1009. var directStreamFailureReasons = failureReasons & (~DirectStreamReasons);
  1010. PlayMethod? playMethod = null;
  1011. if (failureReasons == 0 && isEligibleForDirectPlay && mediaSource.SupportsDirectPlay)
  1012. {
  1013. playMethod = PlayMethod.DirectPlay;
  1014. }
  1015. else if (directStreamFailureReasons == 0 && isEligibleForDirectStream && mediaSource.SupportsDirectStream && directPlayProfile != null)
  1016. {
  1017. playMethod = PlayMethod.DirectStream;
  1018. }
  1019. var ranked = rank(ref failureReasons);
  1020. return (Result: (Profile: directPlayProfile, PlayMethod: playMethod, AudioStreamIndex: selectedAudioStream?.Index, TranscodeReason: failureReasons), Order: order, Rank: ranked);
  1021. })
  1022. .OrderByDescending(analysis => analysis.Result.PlayMethod)
  1023. .ThenBy(analysis => analysis.Order)
  1024. .ToArray()
  1025. .ToLookup(analysis => analysis.Result.PlayMethod != null);
  1026. var profileMatch = analyzedProfiles[true]
  1027. .Select(analysis => analysis.Result)
  1028. .FirstOrDefault();
  1029. if (profileMatch.Profile != null)
  1030. {
  1031. return profileMatch;
  1032. }
  1033. var failureReasons = analyzedProfiles[false].OrderBy(a => a.Result.TranscodeReason).ThenBy(analysis => analysis.Order).FirstOrDefault().Result.TranscodeReason;
  1034. if (failureReasons == 0)
  1035. {
  1036. failureReasons = TranscodeReason.DirectPlayError;
  1037. }
  1038. return (Profile: null, PlayMethod: null, AudioStreamIndex: null, TranscodeReasons: failureReasons);
  1039. }
  1040. private TranscodeReason CheckVideoAudioStreamDirectPlay(VideoOptions options, MediaSourceInfo mediaSource, string container, MediaStream audioStream, string language, bool isDefault)
  1041. {
  1042. var profile = options.Profile;
  1043. var audioFailureConditions = GetProfileConditionsForVideoAudio(profile.CodecProfiles, container, audioStream.Codec, audioStream.Channels, audioStream.BitRate, audioStream.SampleRate, audioStream.BitDepth, audioStream.Profile, !audioStream.IsDefault);
  1044. var audioStreamFailureReasons = AggregateFailureConditions(mediaSource, profile, "VideoAudioCodecProfile", audioFailureConditions);
  1045. if (audioStream?.IsExternal == true)
  1046. {
  1047. audioStreamFailureReasons |= TranscodeReason.AudioIsExternal;
  1048. }
  1049. return audioStreamFailureReasons;
  1050. }
  1051. private TranscodeReason AggregateFailureConditions(MediaSourceInfo mediaSource, DeviceProfile profile, string type, IEnumerable<ProfileCondition> conditions)
  1052. {
  1053. return conditions.Aggregate<ProfileCondition, TranscodeReason>(0, (reasons, i) =>
  1054. {
  1055. LogConditionFailure(profile, type, i, mediaSource);
  1056. var transcodeReasons = GetTranscodeReasonForFailedCondition(i);
  1057. return reasons | transcodeReasons;
  1058. });
  1059. }
  1060. private void LogConditionFailure(DeviceProfile profile, string type, ProfileCondition condition, MediaSourceInfo mediaSource)
  1061. {
  1062. _logger.LogDebug(
  1063. "Profile: {0}, DirectPlay=false. Reason={1}.{2} Condition: {3}. ConditionValue: {4}. IsRequired: {5}. Path: {6}",
  1064. type,
  1065. profile.Name ?? "Unknown Profile",
  1066. condition.Property,
  1067. condition.Condition,
  1068. condition.Value ?? string.Empty,
  1069. condition.IsRequired,
  1070. mediaSource.Path ?? "Unknown path");
  1071. }
  1072. private TranscodeReason IsEligibleForDirectPlay(
  1073. MediaSourceInfo item,
  1074. long maxBitrate,
  1075. VideoOptions options,
  1076. PlayMethod playMethod)
  1077. {
  1078. bool result = IsItemBitrateEligibleForDirectPlay(item, maxBitrate, playMethod);
  1079. if (!result)
  1080. {
  1081. return TranscodeReason.ContainerBitrateExceedsLimit;
  1082. }
  1083. else
  1084. {
  1085. return 0;
  1086. }
  1087. }
  1088. public static SubtitleProfile GetSubtitleProfile(
  1089. MediaSourceInfo mediaSource,
  1090. MediaStream subtitleStream,
  1091. SubtitleProfile[] subtitleProfiles,
  1092. PlayMethod playMethod,
  1093. ITranscoderSupport transcoderSupport,
  1094. string outputContainer,
  1095. string transcodingSubProtocol)
  1096. {
  1097. if (!subtitleStream.IsExternal && (playMethod != PlayMethod.Transcode || !string.Equals(transcodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase)))
  1098. {
  1099. // Look for supported embedded subs of the same format
  1100. foreach (var profile in subtitleProfiles)
  1101. {
  1102. if (!profile.SupportsLanguage(subtitleStream.Language))
  1103. {
  1104. continue;
  1105. }
  1106. if (profile.Method != SubtitleDeliveryMethod.Embed)
  1107. {
  1108. continue;
  1109. }
  1110. if (!ContainerProfile.ContainsContainer(profile.Container, outputContainer))
  1111. {
  1112. continue;
  1113. }
  1114. if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))
  1115. {
  1116. continue;
  1117. }
  1118. if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && string.Equals(profile.Format, subtitleStream.Codec, StringComparison.OrdinalIgnoreCase))
  1119. {
  1120. return profile;
  1121. }
  1122. }
  1123. // Look for supported embedded subs of a convertible format
  1124. foreach (var profile in subtitleProfiles)
  1125. {
  1126. if (!profile.SupportsLanguage(subtitleStream.Language))
  1127. {
  1128. continue;
  1129. }
  1130. if (profile.Method != SubtitleDeliveryMethod.Embed)
  1131. {
  1132. continue;
  1133. }
  1134. if (!ContainerProfile.ContainsContainer(profile.Container, outputContainer))
  1135. {
  1136. continue;
  1137. }
  1138. if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))
  1139. {
  1140. continue;
  1141. }
  1142. if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
  1143. {
  1144. return profile;
  1145. }
  1146. }
  1147. }
  1148. // Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
  1149. return GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport, false) ??
  1150. GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport, true) ??
  1151. new SubtitleProfile
  1152. {
  1153. Method = SubtitleDeliveryMethod.Encode,
  1154. Format = subtitleStream.Codec
  1155. };
  1156. }
  1157. private static bool IsSubtitleEmbedSupported(string transcodingContainer)
  1158. {
  1159. if (!string.IsNullOrEmpty(transcodingContainer))
  1160. {
  1161. string[] normalizedContainers = ContainerProfile.SplitValue(transcodingContainer);
  1162. if (ContainerProfile.ContainsContainer(normalizedContainers, "ts")
  1163. || ContainerProfile.ContainsContainer(normalizedContainers, "mpegts")
  1164. || ContainerProfile.ContainsContainer(normalizedContainers, "mp4"))
  1165. {
  1166. return false;
  1167. }
  1168. else if (ContainerProfile.ContainsContainer(normalizedContainers, "mkv")
  1169. || ContainerProfile.ContainsContainer(normalizedContainers, "matroska"))
  1170. {
  1171. return true;
  1172. }
  1173. }
  1174. return false;
  1175. }
  1176. private static SubtitleProfile GetExternalSubtitleProfile(MediaSourceInfo mediaSource, MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, ITranscoderSupport transcoderSupport, bool allowConversion)
  1177. {
  1178. foreach (var profile in subtitleProfiles)
  1179. {
  1180. if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
  1181. {
  1182. continue;
  1183. }
  1184. if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)
  1185. {
  1186. continue;
  1187. }
  1188. if (!profile.SupportsLanguage(subtitleStream.Language))
  1189. {
  1190. continue;
  1191. }
  1192. if (!subtitleStream.IsExternal && !transcoderSupport.CanExtractSubtitles(subtitleStream.Codec))
  1193. {
  1194. continue;
  1195. }
  1196. if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) ||
  1197. (profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))
  1198. {
  1199. bool requiresConversion = !string.Equals(subtitleStream.Codec, profile.Format, StringComparison.OrdinalIgnoreCase);
  1200. if (!requiresConversion)
  1201. {
  1202. return profile;
  1203. }
  1204. if (!allowConversion)
  1205. {
  1206. continue;
  1207. }
  1208. // TODO: Build this into subtitleStream.SupportsExternalStream
  1209. if (mediaSource.IsInfiniteStream)
  1210. {
  1211. continue;
  1212. }
  1213. if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
  1214. {
  1215. return profile;
  1216. }
  1217. }
  1218. }
  1219. return null;
  1220. }
  1221. private bool IsItemBitrateEligibleForDirectPlay(MediaSourceInfo item, long maxBitrate, PlayMethod playMethod)
  1222. {
  1223. // Don't restrict by bitrate if coming from an external domain
  1224. if (item.IsRemote)
  1225. {
  1226. return true;
  1227. }
  1228. long requestedMaxBitrate = maxBitrate > 0 ? maxBitrate : 1000000;
  1229. // If we don't know the bitrate, then force a transcode if requested max bitrate is under 40 mbps
  1230. int itemBitrate = item.Bitrate ?? 40000000;
  1231. if (itemBitrate > requestedMaxBitrate)
  1232. {
  1233. _logger.LogDebug(
  1234. "Bitrate exceeds {PlayBackMethod} limit: media bitrate: {MediaBitrate}, max bitrate: {MaxBitrate}",
  1235. playMethod,
  1236. itemBitrate,
  1237. requestedMaxBitrate);
  1238. return false;
  1239. }
  1240. return true;
  1241. }
  1242. private static void ValidateInput(VideoOptions options)
  1243. {
  1244. ValidateAudioInput(options);
  1245. if (options.AudioStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
  1246. {
  1247. throw new ArgumentException("MediaSourceId is required when a specific audio stream is requested");
  1248. }
  1249. if (options.SubtitleStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
  1250. {
  1251. throw new ArgumentException("MediaSourceId is required when a specific subtitle stream is requested");
  1252. }
  1253. }
  1254. private static void ValidateAudioInput(AudioOptions options)
  1255. {
  1256. if (options.ItemId.Equals(default))
  1257. {
  1258. throw new ArgumentException("ItemId is required");
  1259. }
  1260. if (string.IsNullOrEmpty(options.DeviceId))
  1261. {
  1262. throw new ArgumentException("DeviceId is required");
  1263. }
  1264. if (options.Profile == null)
  1265. {
  1266. throw new ArgumentException("Profile is required");
  1267. }
  1268. if (options.MediaSources == null)
  1269. {
  1270. throw new ArgumentException("MediaSources is required");
  1271. }
  1272. }
  1273. private static IEnumerable<ProfileCondition> GetProfileConditionsForVideoAudio(
  1274. IEnumerable<CodecProfile> codecProfiles,
  1275. string container,
  1276. string codec,
  1277. int? audioChannels,
  1278. int? audioBitrate,
  1279. int? audioSampleRate,
  1280. int? audioBitDepth,
  1281. string audioProfile,
  1282. bool? isSecondaryAudio)
  1283. {
  1284. return codecProfiles
  1285. .Where(profile => profile.Type == CodecType.VideoAudio && profile.ContainsAnyCodec(codec, container) &&
  1286. profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio)))
  1287. .SelectMany(profile => profile.Conditions)
  1288. .Where(condition => !ConditionProcessor.IsVideoAudioConditionSatisfied(condition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio));
  1289. }
  1290. private static IEnumerable<ProfileCondition> GetProfileConditionsForAudio(
  1291. IEnumerable<CodecProfile> codecProfiles,
  1292. string container,
  1293. string codec,
  1294. int? audioChannels,
  1295. int? audioBitrate,
  1296. int? audioSampleRate,
  1297. int? audioBitDepth,
  1298. bool checkConditions)
  1299. {
  1300. var conditions = codecProfiles
  1301. .Where(profile => profile.Type == CodecType.Audio && profile.ContainsAnyCodec(codec, container) &&
  1302. profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth)))
  1303. .SelectMany(profile => profile.Conditions);
  1304. if (!checkConditions)
  1305. {
  1306. return conditions;
  1307. }
  1308. return conditions.Where(condition => !ConditionProcessor.IsAudioConditionSatisfied(condition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth));
  1309. }
  1310. private void ApplyTranscodingConditions(StreamInfo item, IEnumerable<ProfileCondition> conditions, string qualifier, bool enableQualifiedConditions, bool enableNonQualifiedConditions)
  1311. {
  1312. foreach (ProfileCondition condition in conditions)
  1313. {
  1314. string value = condition.Value;
  1315. if (string.IsNullOrEmpty(value))
  1316. {
  1317. continue;
  1318. }
  1319. // No way to express this
  1320. if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1321. {
  1322. continue;
  1323. }
  1324. switch (condition.Property)
  1325. {
  1326. case ProfileConditionValue.AudioBitrate:
  1327. {
  1328. if (!enableNonQualifiedConditions)
  1329. {
  1330. continue;
  1331. }
  1332. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1333. {
  1334. if (condition.Condition == ProfileConditionType.Equals)
  1335. {
  1336. item.AudioBitrate = num;
  1337. }
  1338. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1339. {
  1340. item.AudioBitrate = Math.Min(num, item.AudioBitrate ?? num);
  1341. }
  1342. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1343. {
  1344. item.AudioBitrate = Math.Max(num, item.AudioBitrate ?? num);
  1345. }
  1346. }
  1347. break;
  1348. }
  1349. case ProfileConditionValue.AudioSampleRate:
  1350. {
  1351. if (!enableNonQualifiedConditions)
  1352. {
  1353. continue;
  1354. }
  1355. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1356. {
  1357. if (condition.Condition == ProfileConditionType.Equals)
  1358. {
  1359. item.AudioSampleRate = num;
  1360. }
  1361. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1362. {
  1363. item.AudioSampleRate = Math.Min(num, item.AudioSampleRate ?? num);
  1364. }
  1365. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1366. {
  1367. item.AudioSampleRate = Math.Max(num, item.AudioSampleRate ?? num);
  1368. }
  1369. }
  1370. break;
  1371. }
  1372. case ProfileConditionValue.AudioChannels:
  1373. {
  1374. if (string.IsNullOrEmpty(qualifier))
  1375. {
  1376. if (!enableNonQualifiedConditions)
  1377. {
  1378. continue;
  1379. }
  1380. }
  1381. else
  1382. {
  1383. if (!enableQualifiedConditions)
  1384. {
  1385. continue;
  1386. }
  1387. }
  1388. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1389. {
  1390. if (condition.Condition == ProfileConditionType.Equals)
  1391. {
  1392. item.SetOption(qualifier, "audiochannels", num.ToString(CultureInfo.InvariantCulture));
  1393. }
  1394. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1395. {
  1396. item.SetOption(qualifier, "audiochannels", Math.Min(num, item.GetTargetAudioChannels(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1397. }
  1398. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1399. {
  1400. item.SetOption(qualifier, "audiochannels", Math.Max(num, item.GetTargetAudioChannels(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1401. }
  1402. }
  1403. break;
  1404. }
  1405. case ProfileConditionValue.IsAvc:
  1406. {
  1407. if (!enableNonQualifiedConditions)
  1408. {
  1409. continue;
  1410. }
  1411. if (bool.TryParse(value, out var isAvc))
  1412. {
  1413. if (isAvc && condition.Condition == ProfileConditionType.Equals)
  1414. {
  1415. item.RequireAvc = true;
  1416. }
  1417. else if (!isAvc && condition.Condition == ProfileConditionType.NotEquals)
  1418. {
  1419. item.RequireAvc = true;
  1420. }
  1421. }
  1422. break;
  1423. }
  1424. case ProfileConditionValue.IsAnamorphic:
  1425. {
  1426. if (!enableNonQualifiedConditions)
  1427. {
  1428. continue;
  1429. }
  1430. if (bool.TryParse(value, out var isAnamorphic))
  1431. {
  1432. if (isAnamorphic && condition.Condition == ProfileConditionType.Equals)
  1433. {
  1434. item.RequireNonAnamorphic = true;
  1435. }
  1436. else if (!isAnamorphic && condition.Condition == ProfileConditionType.NotEquals)
  1437. {
  1438. item.RequireNonAnamorphic = true;
  1439. }
  1440. }
  1441. break;
  1442. }
  1443. case ProfileConditionValue.IsInterlaced:
  1444. {
  1445. if (string.IsNullOrEmpty(qualifier))
  1446. {
  1447. if (!enableNonQualifiedConditions)
  1448. {
  1449. continue;
  1450. }
  1451. }
  1452. else
  1453. {
  1454. if (!enableQualifiedConditions)
  1455. {
  1456. continue;
  1457. }
  1458. }
  1459. if (bool.TryParse(value, out var isInterlaced))
  1460. {
  1461. if (!isInterlaced && condition.Condition == ProfileConditionType.Equals)
  1462. {
  1463. item.SetOption(qualifier, "deinterlace", "true");
  1464. }
  1465. else if (isInterlaced && condition.Condition == ProfileConditionType.NotEquals)
  1466. {
  1467. item.SetOption(qualifier, "deinterlace", "true");
  1468. }
  1469. }
  1470. break;
  1471. }
  1472. case ProfileConditionValue.AudioProfile:
  1473. case ProfileConditionValue.Has64BitOffsets:
  1474. case ProfileConditionValue.PacketLength:
  1475. case ProfileConditionValue.NumAudioStreams:
  1476. case ProfileConditionValue.NumVideoStreams:
  1477. case ProfileConditionValue.IsSecondaryAudio:
  1478. case ProfileConditionValue.VideoTimestamp:
  1479. {
  1480. // Not supported yet
  1481. break;
  1482. }
  1483. case ProfileConditionValue.RefFrames:
  1484. {
  1485. if (string.IsNullOrEmpty(qualifier))
  1486. {
  1487. if (!enableNonQualifiedConditions)
  1488. {
  1489. continue;
  1490. }
  1491. }
  1492. else
  1493. {
  1494. if (!enableQualifiedConditions)
  1495. {
  1496. continue;
  1497. }
  1498. }
  1499. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1500. {
  1501. if (condition.Condition == ProfileConditionType.Equals)
  1502. {
  1503. item.SetOption(qualifier, "maxrefframes", num.ToString(CultureInfo.InvariantCulture));
  1504. }
  1505. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1506. {
  1507. item.SetOption(qualifier, "maxrefframes", Math.Min(num, item.GetTargetRefFrames(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1508. }
  1509. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1510. {
  1511. item.SetOption(qualifier, "maxrefframes", Math.Max(num, item.GetTargetRefFrames(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1512. }
  1513. }
  1514. break;
  1515. }
  1516. case ProfileConditionValue.VideoBitDepth:
  1517. {
  1518. if (string.IsNullOrEmpty(qualifier))
  1519. {
  1520. if (!enableNonQualifiedConditions)
  1521. {
  1522. continue;
  1523. }
  1524. }
  1525. else
  1526. {
  1527. if (!enableQualifiedConditions)
  1528. {
  1529. continue;
  1530. }
  1531. }
  1532. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1533. {
  1534. if (condition.Condition == ProfileConditionType.Equals)
  1535. {
  1536. item.SetOption(qualifier, "videobitdepth", num.ToString(CultureInfo.InvariantCulture));
  1537. }
  1538. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1539. {
  1540. item.SetOption(qualifier, "videobitdepth", Math.Min(num, item.GetTargetVideoBitDepth(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1541. }
  1542. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1543. {
  1544. item.SetOption(qualifier, "videobitdepth", Math.Max(num, item.GetTargetVideoBitDepth(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1545. }
  1546. }
  1547. break;
  1548. }
  1549. case ProfileConditionValue.VideoProfile:
  1550. {
  1551. if (string.IsNullOrEmpty(qualifier))
  1552. {
  1553. continue;
  1554. }
  1555. // change from split by | to comma
  1556. // strip spaces to avoid having to encode
  1557. var values = value
  1558. .Split('|', StringSplitOptions.RemoveEmptyEntries);
  1559. if (condition.Condition == ProfileConditionType.Equals)
  1560. {
  1561. item.SetOption(qualifier, "profile", string.Join(',', values));
  1562. }
  1563. else if (condition.Condition == ProfileConditionType.EqualsAny)
  1564. {
  1565. var currentValue = item.GetOption(qualifier, "profile");
  1566. if (!string.IsNullOrEmpty(currentValue) && values.Any(value => value == currentValue))
  1567. {
  1568. item.SetOption(qualifier, "profile", currentValue);
  1569. }
  1570. else
  1571. {
  1572. item.SetOption(qualifier, "profile", string.Join(',', values));
  1573. }
  1574. }
  1575. break;
  1576. }
  1577. case ProfileConditionValue.Height:
  1578. {
  1579. if (!enableNonQualifiedConditions)
  1580. {
  1581. continue;
  1582. }
  1583. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1584. {
  1585. if (condition.Condition == ProfileConditionType.Equals)
  1586. {
  1587. item.MaxHeight = num;
  1588. }
  1589. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1590. {
  1591. item.MaxHeight = Math.Min(num, item.MaxHeight ?? num);
  1592. }
  1593. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1594. {
  1595. item.MaxHeight = Math.Max(num, item.MaxHeight ?? num);
  1596. }
  1597. }
  1598. break;
  1599. }
  1600. case ProfileConditionValue.VideoBitrate:
  1601. {
  1602. if (!enableNonQualifiedConditions)
  1603. {
  1604. continue;
  1605. }
  1606. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1607. {
  1608. if (condition.Condition == ProfileConditionType.Equals)
  1609. {
  1610. item.VideoBitrate = num;
  1611. }
  1612. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1613. {
  1614. item.VideoBitrate = Math.Min(num, item.VideoBitrate ?? num);
  1615. }
  1616. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1617. {
  1618. item.VideoBitrate = Math.Max(num, item.VideoBitrate ?? num);
  1619. }
  1620. }
  1621. break;
  1622. }
  1623. case ProfileConditionValue.VideoFramerate:
  1624. {
  1625. if (!enableNonQualifiedConditions)
  1626. {
  1627. continue;
  1628. }
  1629. if (float.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1630. {
  1631. if (condition.Condition == ProfileConditionType.Equals)
  1632. {
  1633. item.MaxFramerate = num;
  1634. }
  1635. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1636. {
  1637. item.MaxFramerate = Math.Min(num, item.MaxFramerate ?? num);
  1638. }
  1639. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1640. {
  1641. item.MaxFramerate = Math.Max(num, item.MaxFramerate ?? num);
  1642. }
  1643. }
  1644. break;
  1645. }
  1646. case ProfileConditionValue.VideoLevel:
  1647. {
  1648. if (string.IsNullOrEmpty(qualifier))
  1649. {
  1650. continue;
  1651. }
  1652. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1653. {
  1654. if (condition.Condition == ProfileConditionType.Equals)
  1655. {
  1656. item.SetOption(qualifier, "level", num.ToString(CultureInfo.InvariantCulture));
  1657. }
  1658. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1659. {
  1660. item.SetOption(qualifier, "level", Math.Min(num, item.GetTargetVideoLevel(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1661. }
  1662. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1663. {
  1664. item.SetOption(qualifier, "level", Math.Max(num, item.GetTargetVideoLevel(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1665. }
  1666. }
  1667. break;
  1668. }
  1669. case ProfileConditionValue.Width:
  1670. {
  1671. if (!enableNonQualifiedConditions)
  1672. {
  1673. continue;
  1674. }
  1675. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1676. {
  1677. if (condition.Condition == ProfileConditionType.Equals)
  1678. {
  1679. item.MaxWidth = num;
  1680. }
  1681. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1682. {
  1683. item.MaxWidth = Math.Min(num, item.MaxWidth ?? num);
  1684. }
  1685. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1686. {
  1687. item.MaxWidth = Math.Max(num, item.MaxWidth ?? num);
  1688. }
  1689. }
  1690. break;
  1691. }
  1692. default:
  1693. break;
  1694. }
  1695. }
  1696. }
  1697. private static bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audioStream)
  1698. {
  1699. // Check container type
  1700. if (!profile.SupportsContainer(item.Container))
  1701. {
  1702. return false;
  1703. }
  1704. // Check audio codec
  1705. string audioCodec = audioStream?.Codec;
  1706. if (!profile.SupportsAudioCodec(audioCodec))
  1707. {
  1708. return false;
  1709. }
  1710. return true;
  1711. }
  1712. }
  1713. }