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. videoCodecs = videoCodecs != null && videoCodecs.Length > 0
  643. ? videoCodecs.Union(new[] { directVideoCodec }).ToArray()
  644. : new[] { directVideoCodec };
  645. }
  646. playlistItem.VideoCodecs = videoCodecs;
  647. // copy video codec options as a starting point, this applies to transcode and direct-stream
  648. playlistItem.MaxFramerate = videoStream?.AverageFrameRate;
  649. var qualifier = videoStream?.Codec;
  650. if (videoStream?.Level != null)
  651. {
  652. playlistItem.SetOption(qualifier, "level", videoStream.Level.Value.ToString(CultureInfo.InvariantCulture));
  653. }
  654. if (videoStream?.BitDepth != null)
  655. {
  656. playlistItem.SetOption(qualifier, "videobitdepth", videoStream.BitDepth.Value.ToString(CultureInfo.InvariantCulture));
  657. }
  658. if (!string.IsNullOrEmpty(videoStream?.Profile))
  659. {
  660. playlistItem.SetOption(qualifier, "profile", videoStream.Profile.ToLowerInvariant());
  661. }
  662. if (videoStream != null && videoStream.Level != 0)
  663. {
  664. playlistItem.SetOption(qualifier, "level", videoStream.Level.ToString());
  665. }
  666. // prefer matching audio codecs, could do better here
  667. var audioCodecs = ContainerProfile.SplitValue(audioCodec);
  668. var directAudioStream = candidateAudioStreams.FirstOrDefault(stream => ContainerProfile.ContainsContainer(audioCodecs, stream.Codec));
  669. playlistItem.AudioCodecs = audioCodecs;
  670. if (directAudioStream != null)
  671. {
  672. audioStream = directAudioStream;
  673. playlistItem.AudioStreamIndex = audioStream.Index;
  674. playlistItem.AudioCodecs = new[] { audioStream.Codec };
  675. // copy matching audio codec options
  676. playlistItem.AudioSampleRate = audioStream.SampleRate;
  677. playlistItem.SetOption(qualifier, "audiochannels", audioStream.Channels.ToString());
  678. if (!string.IsNullOrEmpty(audioStream.Profile))
  679. {
  680. playlistItem.SetOption(audioStream.Codec, "profile", audioStream.Profile.ToLowerInvariant());
  681. }
  682. if (audioStream.Level != 0)
  683. {
  684. playlistItem.SetOption(audioStream.Codec, "level", audioStream.Level.ToString());
  685. }
  686. }
  687. int? width = videoStream?.Width;
  688. int? height = videoStream?.Height;
  689. int? bitDepth = videoStream?.BitDepth;
  690. int? videoBitrate = videoStream?.BitRate;
  691. double? videoLevel = videoStream?.Level;
  692. string videoProfile = videoStream?.Profile;
  693. float videoFramerate = videoStream == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
  694. bool? isAnamorphic = videoStream?.IsAnamorphic;
  695. bool? isInterlaced = videoStream?.IsInterlaced;
  696. string videoCodecTag = videoStream?.CodecTag;
  697. bool? isAvc = videoStream?.IsAVC;
  698. TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : item.Timestamp;
  699. int? packetLength = videoStream?.PacketLength;
  700. int? refFrames = videoStream?.RefFrames;
  701. int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);
  702. int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);
  703. var appliedVideoConditions = options.Profile.CodecProfiles
  704. .Where(i => i.Type == CodecType.Video &&
  705. i.ContainsAnyCodec(videoCodec, container) &&
  706. i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc)));
  707. var isFirstAppliedCodecProfile = true;
  708. foreach (var i in appliedVideoConditions)
  709. {
  710. var transcodingVideoCodecs = ContainerProfile.SplitValue(videoCodec);
  711. foreach (var transcodingVideoCodec in transcodingVideoCodecs)
  712. {
  713. if (i.ContainsAnyCodec(transcodingVideoCodec, container))
  714. {
  715. ApplyTranscodingConditions(playlistItem, i.Conditions, transcodingVideoCodec, true, isFirstAppliedCodecProfile);
  716. isFirstAppliedCodecProfile = false;
  717. continue;
  718. }
  719. }
  720. }
  721. // Honor requested max channels
  722. playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
  723. int audioBitrate = GetAudioBitrate(options.GetMaxBitrate(false) ?? 0, playlistItem.TargetAudioCodec, audioStream, playlistItem);
  724. playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);
  725. bool? isSecondaryAudio = audioStream == null ? null : item.IsSecondaryAudio(audioStream);
  726. int? inputAudioBitrate = audioStream == null ? null : audioStream.BitRate;
  727. int? audioChannels = audioStream == null ? null : audioStream.Channels;
  728. string audioProfile = audioStream == null ? null : audioStream.Profile;
  729. int? inputAudioSampleRate = audioStream == null ? null : audioStream.SampleRate;
  730. int? inputAudioBitDepth = audioStream == null ? null : audioStream.BitDepth;
  731. var appliedAudioConditions = options.Profile.CodecProfiles
  732. .Where(i => i.Type == CodecType.VideoAudio &&
  733. i.ContainsAnyCodec(audioCodec, container) &&
  734. i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, audioProfile, isSecondaryAudio)));
  735. isFirstAppliedCodecProfile = true;
  736. foreach (var i in appliedAudioConditions)
  737. {
  738. var transcodingAudioCodecs = ContainerProfile.SplitValue(audioCodec);
  739. foreach (var transcodingAudioCodec in transcodingAudioCodecs)
  740. {
  741. if (i.ContainsAnyCodec(transcodingAudioCodec, container))
  742. {
  743. ApplyTranscodingConditions(playlistItem, i.Conditions, transcodingAudioCodec, true, isFirstAppliedCodecProfile);
  744. isFirstAppliedCodecProfile = false;
  745. break;
  746. }
  747. }
  748. }
  749. var maxBitrateSetting = options.GetMaxBitrate(false);
  750. // Honor max rate
  751. if (maxBitrateSetting.HasValue)
  752. {
  753. var availableBitrateForVideo = maxBitrateSetting.Value;
  754. if (playlistItem.AudioBitrate.HasValue)
  755. {
  756. availableBitrateForVideo -= playlistItem.AudioBitrate.Value;
  757. }
  758. // Make sure the video bitrate is lower than bitrate settings but at least 64k
  759. // Don't use Math.Clamp as availableBitrateForVideo can be lower then 64k.
  760. var currentValue = playlistItem.VideoBitrate ?? availableBitrateForVideo;
  761. playlistItem.VideoBitrate = Math.Max(Math.Min(availableBitrateForVideo, currentValue), 64_000);
  762. }
  763. _logger.LogDebug(
  764. "Transcode Result for Profile: {Profile}, Path: {Path}, PlayMethod: {PlayMethod}, AudioStreamIndex: {AudioStreamIndex}, SubtitleStreamIndex: {SubtitleStreamIndex}, Reasons: {TranscodeReason}",
  765. options.Profile?.Name ?? "Anonymous Profile",
  766. item.Path ?? "Unknown path",
  767. playlistItem?.PlayMethod,
  768. audioStream?.Index,
  769. playlistItem?.SubtitleStreamIndex,
  770. playlistItem?.TranscodeReasons);
  771. }
  772. private static int GetDefaultAudioBitrate(string audioCodec, int? audioChannels)
  773. {
  774. if (!string.IsNullOrEmpty(audioCodec))
  775. {
  776. // Default to a higher bitrate for stream copy
  777. if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase)
  778. || string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase)
  779. || string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase)
  780. || string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase))
  781. {
  782. if ((audioChannels ?? 0) < 2)
  783. {
  784. return 128000;
  785. }
  786. return (audioChannels ?? 0) >= 6 ? 640000 : 384000;
  787. }
  788. if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase)
  789. || string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase))
  790. {
  791. if ((audioChannels ?? 0) < 2)
  792. {
  793. return 768000;
  794. }
  795. return (audioChannels ?? 0) >= 6 ? 3584000 : 1536000;
  796. }
  797. }
  798. return 192000;
  799. }
  800. private static int GetAudioBitrate(long maxTotalBitrate, string[] targetAudioCodecs, MediaStream audioStream, StreamInfo item)
  801. {
  802. string targetAudioCodec = targetAudioCodecs.Length == 0 ? null : targetAudioCodecs[0];
  803. int? targetAudioChannels = item.GetTargetAudioChannels(targetAudioCodec);
  804. int defaultBitrate;
  805. int encoderAudioBitrateLimit = int.MaxValue;
  806. if (audioStream == null)
  807. {
  808. defaultBitrate = 192000;
  809. }
  810. else
  811. {
  812. if (targetAudioChannels.HasValue
  813. && audioStream.Channels.HasValue
  814. && audioStream.Channels.Value > targetAudioChannels.Value)
  815. {
  816. // Reduce the bitrate if we're downmixing.
  817. defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);
  818. }
  819. else if (targetAudioChannels.HasValue
  820. && audioStream.Channels.HasValue
  821. && audioStream.Channels.Value <= targetAudioChannels.Value
  822. && !string.IsNullOrEmpty(audioStream.Codec)
  823. && targetAudioCodecs != null
  824. && targetAudioCodecs.Length > 0
  825. && !Array.Exists(targetAudioCodecs, elem => string.Equals(audioStream.Codec, elem, StringComparison.OrdinalIgnoreCase)))
  826. {
  827. // Shift the bitrate if we're transcoding to a different audio codec.
  828. defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, audioStream.Channels.Value);
  829. }
  830. else
  831. {
  832. defaultBitrate = audioStream.BitRate ?? GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);
  833. }
  834. // Seeing webm encoding failures when source has 1 audio channel and 22k bitrate.
  835. // Any attempts to transcode over 64k will fail
  836. if (audioStream.Channels == 1
  837. && (audioStream.BitRate ?? 0) < 64000)
  838. {
  839. encoderAudioBitrateLimit = 64000;
  840. }
  841. }
  842. if (maxTotalBitrate > 0)
  843. {
  844. defaultBitrate = Math.Min(GetMaxAudioBitrateForTotalBitrate(maxTotalBitrate), defaultBitrate);
  845. }
  846. return Math.Min(defaultBitrate, encoderAudioBitrateLimit);
  847. }
  848. private static int GetMaxAudioBitrateForTotalBitrate(long totalBitrate)
  849. {
  850. if (totalBitrate <= 640000)
  851. {
  852. return 128000;
  853. }
  854. else if (totalBitrate <= 2000000)
  855. {
  856. return 384000;
  857. }
  858. else if (totalBitrate <= 3000000)
  859. {
  860. return 448000;
  861. }
  862. else if (totalBitrate <= 4000000)
  863. {
  864. return 640000;
  865. }
  866. else if (totalBitrate <= 5000000)
  867. {
  868. return 768000;
  869. }
  870. else if (totalBitrate <= 10000000)
  871. {
  872. return 1536000;
  873. }
  874. else if (totalBitrate <= 15000000)
  875. {
  876. return 2304000;
  877. }
  878. else if (totalBitrate <= 20000000)
  879. {
  880. return 3584000;
  881. }
  882. return 7168000;
  883. }
  884. private (DirectPlayProfile Profile, PlayMethod? PlayMethod, int? AudioStreamIndex, TranscodeReason TranscodeReasons) GetVideoDirectPlayProfile(
  885. VideoOptions options,
  886. MediaSourceInfo mediaSource,
  887. MediaStream videoStream,
  888. MediaStream audioStream,
  889. IEnumerable<MediaStream> candidateAudioStreams,
  890. MediaStream subtitleStream,
  891. bool isEligibleForDirectPlay,
  892. bool isEligibleForDirectStream)
  893. {
  894. if (options.ForceDirectPlay)
  895. {
  896. return (null, PlayMethod.DirectPlay, audioStream?.Index, 0);
  897. }
  898. if (options.ForceDirectStream)
  899. {
  900. return (null, PlayMethod.DirectStream, audioStream?.Index, 0);
  901. }
  902. DeviceProfile profile = options.Profile;
  903. string container = mediaSource.Container;
  904. // video
  905. int? width = videoStream?.Width;
  906. int? height = videoStream?.Height;
  907. int? bitDepth = videoStream?.BitDepth;
  908. int? videoBitrate = videoStream?.BitRate;
  909. double? videoLevel = videoStream?.Level;
  910. string videoProfile = videoStream?.Profile;
  911. float videoFramerate = videoStream == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
  912. bool? isAnamorphic = videoStream?.IsAnamorphic;
  913. bool? isInterlaced = videoStream?.IsInterlaced;
  914. string videoCodecTag = videoStream?.CodecTag;
  915. bool? isAvc = videoStream?.IsAVC;
  916. // audio
  917. var defaultLanguage = audioStream?.Language ?? string.Empty;
  918. var defaultMarked = audioStream?.IsDefault ?? false;
  919. TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : mediaSource.Timestamp;
  920. int? packetLength = videoStream?.PacketLength;
  921. int? refFrames = videoStream?.RefFrames;
  922. int? numAudioStreams = mediaSource.GetStreamCount(MediaStreamType.Audio);
  923. int? numVideoStreams = mediaSource.GetStreamCount(MediaStreamType.Video);
  924. var checkVideoConditions = (ProfileCondition[] conditions) =>
  925. conditions.Where(applyCondition => !ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc));
  926. // Check container conditions
  927. var containerProfileReasons = AggregateFailureConditions(
  928. mediaSource,
  929. profile,
  930. "VideoCodecProfile",
  931. profile.ContainerProfiles
  932. .Where(containerProfile => containerProfile.Type == DlnaProfileType.Video && containerProfile.ContainsContainer(container))
  933. .SelectMany(containerProfile => checkVideoConditions(containerProfile.Conditions)));
  934. // Check video conditions
  935. var videoCodecProfileReasons = AggregateFailureConditions(
  936. mediaSource,
  937. profile,
  938. "VideoCodecProfile",
  939. profile.CodecProfiles
  940. .Where(codecProfile => codecProfile.Type == CodecType.Video && codecProfile.ContainsAnyCodec(videoStream?.Codec, container) &&
  941. !checkVideoConditions(codecProfile.ApplyConditions).Any())
  942. .SelectMany(codecProfile => checkVideoConditions(codecProfile.Conditions)));
  943. // Check audiocandidates profile conditions
  944. var audioStreamMatches = candidateAudioStreams.ToDictionary(s => s, audioStream => CheckVideoAudioStreamDirectPlay(options, mediaSource, container, audioStream, defaultLanguage, defaultMarked));
  945. TranscodeReason subtitleProfileReasons = 0;
  946. if (subtitleStream != null)
  947. {
  948. var subtitleProfile = GetSubtitleProfile(mediaSource, subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.DirectPlay, _transcoderSupport, container, null);
  949. if (subtitleProfile.Method != SubtitleDeliveryMethod.Drop
  950. && subtitleProfile.Method != SubtitleDeliveryMethod.External
  951. && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
  952. {
  953. _logger.LogDebug("Not eligible for {0} due to unsupported subtitles", PlayMethod.DirectPlay);
  954. subtitleProfileReasons |= TranscodeReason.SubtitleCodecNotSupported;
  955. }
  956. }
  957. var rankings = new[] { VideoReasons, AudioReasons, ContainerReasons };
  958. var rank = (ref TranscodeReason a) =>
  959. {
  960. var index = 1;
  961. foreach (var flag in rankings)
  962. {
  963. var reason = a & flag;
  964. if (reason != 0)
  965. {
  966. a = reason;
  967. return index;
  968. }
  969. index++;
  970. }
  971. return index;
  972. };
  973. // Check DirectPlay profiles to see if it can be direct played
  974. var analyzedProfiles = profile.DirectPlayProfiles
  975. .Where(directPlayProfile => directPlayProfile.Type == DlnaProfileType.Video)
  976. .Select((directPlayProfile, order) =>
  977. {
  978. TranscodeReason directPlayProfileReasons = 0;
  979. TranscodeReason audioCodecProfileReasons = 0;
  980. // Check container type
  981. if (!directPlayProfile.SupportsContainer(container))
  982. {
  983. directPlayProfileReasons |= TranscodeReason.ContainerNotSupported;
  984. }
  985. // Check video codec
  986. string videoCodec = videoStream?.Codec;
  987. if (!directPlayProfile.SupportsVideoCodec(videoCodec))
  988. {
  989. directPlayProfileReasons |= TranscodeReason.VideoCodecNotSupported;
  990. }
  991. // Check audio codec
  992. var selectedAudioStream = candidateAudioStreams.FirstOrDefault(audioStream => directPlayProfile.SupportsAudioCodec(audioStream.Codec));
  993. if (selectedAudioStream == null)
  994. {
  995. directPlayProfileReasons |= TranscodeReason.AudioCodecNotSupported;
  996. }
  997. else
  998. {
  999. audioCodecProfileReasons = audioStreamMatches.GetValueOrDefault(selectedAudioStream);
  1000. }
  1001. var failureReasons = directPlayProfileReasons | containerProfileReasons | subtitleProfileReasons;
  1002. if ((failureReasons & TranscodeReason.VideoCodecNotSupported) == 0)
  1003. {
  1004. failureReasons |= videoCodecProfileReasons;
  1005. }
  1006. if ((failureReasons & TranscodeReason.AudioCodecNotSupported) == 0)
  1007. {
  1008. failureReasons |= audioCodecProfileReasons;
  1009. }
  1010. var directStreamFailureReasons = failureReasons & (~DirectStreamReasons);
  1011. PlayMethod? playMethod = null;
  1012. if (failureReasons == 0 && isEligibleForDirectPlay && mediaSource.SupportsDirectPlay)
  1013. {
  1014. playMethod = PlayMethod.DirectPlay;
  1015. }
  1016. else if (directStreamFailureReasons == 0 && isEligibleForDirectStream && mediaSource.SupportsDirectStream && directPlayProfile != null)
  1017. {
  1018. playMethod = PlayMethod.DirectStream;
  1019. }
  1020. var ranked = rank(ref failureReasons);
  1021. return (Result: (Profile: directPlayProfile, PlayMethod: playMethod, AudioStreamIndex: selectedAudioStream?.Index, TranscodeReason: failureReasons), Order: order, Rank: ranked);
  1022. })
  1023. .OrderByDescending(analysis => analysis.Result.PlayMethod)
  1024. .ThenBy(analysis => analysis.Order)
  1025. .ToArray()
  1026. .ToLookup(analysis => analysis.Result.PlayMethod != null);
  1027. var profileMatch = analyzedProfiles[true]
  1028. .Select(analysis => analysis.Result)
  1029. .FirstOrDefault();
  1030. if (profileMatch.Profile != null)
  1031. {
  1032. return profileMatch;
  1033. }
  1034. var failureReasons = analyzedProfiles[false].OrderBy(a => a.Result.TranscodeReason).ThenBy(analysis => analysis.Order).FirstOrDefault().Result.TranscodeReason;
  1035. if (failureReasons == 0)
  1036. {
  1037. failureReasons = TranscodeReason.DirectPlayError;
  1038. }
  1039. return (Profile: null, PlayMethod: null, AudioStreamIndex: null, TranscodeReasons: failureReasons);
  1040. }
  1041. private TranscodeReason CheckVideoAudioStreamDirectPlay(VideoOptions options, MediaSourceInfo mediaSource, string container, MediaStream audioStream, string language, bool isDefault)
  1042. {
  1043. var profile = options.Profile;
  1044. var audioFailureConditions = GetProfileConditionsForVideoAudio(profile.CodecProfiles, container, audioStream.Codec, audioStream.Channels, audioStream.BitRate, audioStream.SampleRate, audioStream.BitDepth, audioStream.Profile, !audioStream.IsDefault);
  1045. var audioStreamFailureReasons = AggregateFailureConditions(mediaSource, profile, "VideoAudioCodecProfile", audioFailureConditions);
  1046. if (audioStream?.IsExternal == true)
  1047. {
  1048. audioStreamFailureReasons |= TranscodeReason.AudioIsExternal;
  1049. }
  1050. return audioStreamFailureReasons;
  1051. }
  1052. private TranscodeReason AggregateFailureConditions(MediaSourceInfo mediaSource, DeviceProfile profile, string type, IEnumerable<ProfileCondition> conditions)
  1053. {
  1054. return conditions.Aggregate<ProfileCondition, TranscodeReason>(0, (reasons, i) =>
  1055. {
  1056. LogConditionFailure(profile, type, i, mediaSource);
  1057. var transcodeReasons = GetTranscodeReasonForFailedCondition(i);
  1058. return reasons | transcodeReasons;
  1059. });
  1060. }
  1061. private void LogConditionFailure(DeviceProfile profile, string type, ProfileCondition condition, MediaSourceInfo mediaSource)
  1062. {
  1063. _logger.LogDebug(
  1064. "Profile: {0}, DirectPlay=false. Reason={1}.{2} Condition: {3}. ConditionValue: {4}. IsRequired: {5}. Path: {6}",
  1065. type,
  1066. profile.Name ?? "Unknown Profile",
  1067. condition.Property,
  1068. condition.Condition,
  1069. condition.Value ?? string.Empty,
  1070. condition.IsRequired,
  1071. mediaSource.Path ?? "Unknown path");
  1072. }
  1073. private TranscodeReason IsEligibleForDirectPlay(
  1074. MediaSourceInfo item,
  1075. long maxBitrate,
  1076. VideoOptions options,
  1077. PlayMethod playMethod)
  1078. {
  1079. bool result = IsItemBitrateEligibleForDirectPlay(item, maxBitrate, playMethod);
  1080. if (!result)
  1081. {
  1082. return TranscodeReason.ContainerBitrateExceedsLimit;
  1083. }
  1084. else
  1085. {
  1086. return 0;
  1087. }
  1088. }
  1089. public static SubtitleProfile GetSubtitleProfile(
  1090. MediaSourceInfo mediaSource,
  1091. MediaStream subtitleStream,
  1092. SubtitleProfile[] subtitleProfiles,
  1093. PlayMethod playMethod,
  1094. ITranscoderSupport transcoderSupport,
  1095. string outputContainer,
  1096. string transcodingSubProtocol)
  1097. {
  1098. if (!subtitleStream.IsExternal && (playMethod != PlayMethod.Transcode || !string.Equals(transcodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase)))
  1099. {
  1100. // Look for supported embedded subs of the same format
  1101. foreach (var profile in subtitleProfiles)
  1102. {
  1103. if (!profile.SupportsLanguage(subtitleStream.Language))
  1104. {
  1105. continue;
  1106. }
  1107. if (profile.Method != SubtitleDeliveryMethod.Embed)
  1108. {
  1109. continue;
  1110. }
  1111. if (!ContainerProfile.ContainsContainer(profile.Container, outputContainer))
  1112. {
  1113. continue;
  1114. }
  1115. if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))
  1116. {
  1117. continue;
  1118. }
  1119. if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && string.Equals(profile.Format, subtitleStream.Codec, StringComparison.OrdinalIgnoreCase))
  1120. {
  1121. return profile;
  1122. }
  1123. }
  1124. // Look for supported embedded subs of a convertible format
  1125. foreach (var profile in subtitleProfiles)
  1126. {
  1127. if (!profile.SupportsLanguage(subtitleStream.Language))
  1128. {
  1129. continue;
  1130. }
  1131. if (profile.Method != SubtitleDeliveryMethod.Embed)
  1132. {
  1133. continue;
  1134. }
  1135. if (!ContainerProfile.ContainsContainer(profile.Container, outputContainer))
  1136. {
  1137. continue;
  1138. }
  1139. if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))
  1140. {
  1141. continue;
  1142. }
  1143. if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
  1144. {
  1145. return profile;
  1146. }
  1147. }
  1148. }
  1149. // Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
  1150. return GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport, false) ??
  1151. GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport, true) ??
  1152. new SubtitleProfile
  1153. {
  1154. Method = SubtitleDeliveryMethod.Encode,
  1155. Format = subtitleStream.Codec
  1156. };
  1157. }
  1158. private static bool IsSubtitleEmbedSupported(string transcodingContainer)
  1159. {
  1160. if (!string.IsNullOrEmpty(transcodingContainer))
  1161. {
  1162. string[] normalizedContainers = ContainerProfile.SplitValue(transcodingContainer);
  1163. if (ContainerProfile.ContainsContainer(normalizedContainers, "ts")
  1164. || ContainerProfile.ContainsContainer(normalizedContainers, "mpegts")
  1165. || ContainerProfile.ContainsContainer(normalizedContainers, "mp4"))
  1166. {
  1167. return false;
  1168. }
  1169. else if (ContainerProfile.ContainsContainer(normalizedContainers, "mkv")
  1170. || ContainerProfile.ContainsContainer(normalizedContainers, "matroska"))
  1171. {
  1172. return true;
  1173. }
  1174. }
  1175. return false;
  1176. }
  1177. private static SubtitleProfile GetExternalSubtitleProfile(MediaSourceInfo mediaSource, MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, ITranscoderSupport transcoderSupport, bool allowConversion)
  1178. {
  1179. foreach (var profile in subtitleProfiles)
  1180. {
  1181. if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
  1182. {
  1183. continue;
  1184. }
  1185. if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)
  1186. {
  1187. continue;
  1188. }
  1189. if (!profile.SupportsLanguage(subtitleStream.Language))
  1190. {
  1191. continue;
  1192. }
  1193. if (!subtitleStream.IsExternal && !transcoderSupport.CanExtractSubtitles(subtitleStream.Codec))
  1194. {
  1195. continue;
  1196. }
  1197. if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) ||
  1198. (profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))
  1199. {
  1200. bool requiresConversion = !string.Equals(subtitleStream.Codec, profile.Format, StringComparison.OrdinalIgnoreCase);
  1201. if (!requiresConversion)
  1202. {
  1203. return profile;
  1204. }
  1205. if (!allowConversion)
  1206. {
  1207. continue;
  1208. }
  1209. // TODO: Build this into subtitleStream.SupportsExternalStream
  1210. if (mediaSource.IsInfiniteStream)
  1211. {
  1212. continue;
  1213. }
  1214. if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
  1215. {
  1216. return profile;
  1217. }
  1218. }
  1219. }
  1220. return null;
  1221. }
  1222. private bool IsItemBitrateEligibleForDirectPlay(MediaSourceInfo item, long maxBitrate, PlayMethod playMethod)
  1223. {
  1224. // Don't restrict by bitrate if coming from an external domain
  1225. if (item.IsRemote)
  1226. {
  1227. return true;
  1228. }
  1229. long requestedMaxBitrate = maxBitrate > 0 ? maxBitrate : 1000000;
  1230. // If we don't know the bitrate, then force a transcode if requested max bitrate is under 40 mbps
  1231. int itemBitrate = item.Bitrate ?? 40000000;
  1232. if (itemBitrate > requestedMaxBitrate)
  1233. {
  1234. _logger.LogDebug(
  1235. "Bitrate exceeds {PlayBackMethod} limit: media bitrate: {MediaBitrate}, max bitrate: {MaxBitrate}",
  1236. playMethod,
  1237. itemBitrate,
  1238. requestedMaxBitrate);
  1239. return false;
  1240. }
  1241. return true;
  1242. }
  1243. private static void ValidateInput(VideoOptions options)
  1244. {
  1245. ValidateAudioInput(options);
  1246. if (options.AudioStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
  1247. {
  1248. throw new ArgumentException("MediaSourceId is required when a specific audio stream is requested");
  1249. }
  1250. if (options.SubtitleStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
  1251. {
  1252. throw new ArgumentException("MediaSourceId is required when a specific subtitle stream is requested");
  1253. }
  1254. }
  1255. private static void ValidateAudioInput(AudioOptions options)
  1256. {
  1257. if (options.ItemId.Equals(default))
  1258. {
  1259. throw new ArgumentException("ItemId is required");
  1260. }
  1261. if (string.IsNullOrEmpty(options.DeviceId))
  1262. {
  1263. throw new ArgumentException("DeviceId is required");
  1264. }
  1265. if (options.Profile == null)
  1266. {
  1267. throw new ArgumentException("Profile is required");
  1268. }
  1269. if (options.MediaSources == null)
  1270. {
  1271. throw new ArgumentException("MediaSources is required");
  1272. }
  1273. }
  1274. private static IEnumerable<ProfileCondition> GetProfileConditionsForVideoAudio(
  1275. IEnumerable<CodecProfile> codecProfiles,
  1276. string container,
  1277. string codec,
  1278. int? audioChannels,
  1279. int? audioBitrate,
  1280. int? audioSampleRate,
  1281. int? audioBitDepth,
  1282. string audioProfile,
  1283. bool? isSecondaryAudio)
  1284. {
  1285. return codecProfiles
  1286. .Where(profile => profile.Type == CodecType.VideoAudio && profile.ContainsAnyCodec(codec, container) &&
  1287. profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio)))
  1288. .SelectMany(profile => profile.Conditions)
  1289. .Where(condition => !ConditionProcessor.IsVideoAudioConditionSatisfied(condition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio));
  1290. }
  1291. private static IEnumerable<ProfileCondition> GetProfileConditionsForAudio(
  1292. IEnumerable<CodecProfile> codecProfiles,
  1293. string container,
  1294. string codec,
  1295. int? audioChannels,
  1296. int? audioBitrate,
  1297. int? audioSampleRate,
  1298. int? audioBitDepth,
  1299. bool checkConditions)
  1300. {
  1301. var conditions = codecProfiles
  1302. .Where(profile => profile.Type == CodecType.Audio && profile.ContainsAnyCodec(codec, container) &&
  1303. profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth)))
  1304. .SelectMany(profile => profile.Conditions);
  1305. if (!checkConditions)
  1306. {
  1307. return conditions;
  1308. }
  1309. return conditions.Where(condition => !ConditionProcessor.IsAudioConditionSatisfied(condition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth));
  1310. }
  1311. private void ApplyTranscodingConditions(StreamInfo item, IEnumerable<ProfileCondition> conditions, string qualifier, bool enableQualifiedConditions, bool enableNonQualifiedConditions)
  1312. {
  1313. foreach (ProfileCondition condition in conditions)
  1314. {
  1315. string value = condition.Value;
  1316. if (string.IsNullOrEmpty(value))
  1317. {
  1318. continue;
  1319. }
  1320. // No way to express this
  1321. if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1322. {
  1323. continue;
  1324. }
  1325. switch (condition.Property)
  1326. {
  1327. case ProfileConditionValue.AudioBitrate:
  1328. {
  1329. if (!enableNonQualifiedConditions)
  1330. {
  1331. continue;
  1332. }
  1333. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1334. {
  1335. if (condition.Condition == ProfileConditionType.Equals)
  1336. {
  1337. item.AudioBitrate = num;
  1338. }
  1339. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1340. {
  1341. item.AudioBitrate = Math.Min(num, item.AudioBitrate ?? num);
  1342. }
  1343. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1344. {
  1345. item.AudioBitrate = Math.Max(num, item.AudioBitrate ?? num);
  1346. }
  1347. }
  1348. break;
  1349. }
  1350. case ProfileConditionValue.AudioSampleRate:
  1351. {
  1352. if (!enableNonQualifiedConditions)
  1353. {
  1354. continue;
  1355. }
  1356. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1357. {
  1358. if (condition.Condition == ProfileConditionType.Equals)
  1359. {
  1360. item.AudioSampleRate = num;
  1361. }
  1362. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1363. {
  1364. item.AudioSampleRate = Math.Min(num, item.AudioSampleRate ?? num);
  1365. }
  1366. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1367. {
  1368. item.AudioSampleRate = Math.Max(num, item.AudioSampleRate ?? num);
  1369. }
  1370. }
  1371. break;
  1372. }
  1373. case ProfileConditionValue.AudioChannels:
  1374. {
  1375. if (string.IsNullOrEmpty(qualifier))
  1376. {
  1377. if (!enableNonQualifiedConditions)
  1378. {
  1379. continue;
  1380. }
  1381. }
  1382. else
  1383. {
  1384. if (!enableQualifiedConditions)
  1385. {
  1386. continue;
  1387. }
  1388. }
  1389. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1390. {
  1391. if (condition.Condition == ProfileConditionType.Equals)
  1392. {
  1393. item.SetOption(qualifier, "audiochannels", num.ToString(CultureInfo.InvariantCulture));
  1394. }
  1395. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1396. {
  1397. item.SetOption(qualifier, "audiochannels", Math.Min(num, item.GetTargetAudioChannels(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1398. }
  1399. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1400. {
  1401. item.SetOption(qualifier, "audiochannels", Math.Max(num, item.GetTargetAudioChannels(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1402. }
  1403. }
  1404. break;
  1405. }
  1406. case ProfileConditionValue.IsAvc:
  1407. {
  1408. if (!enableNonQualifiedConditions)
  1409. {
  1410. continue;
  1411. }
  1412. if (bool.TryParse(value, out var isAvc))
  1413. {
  1414. if (isAvc && condition.Condition == ProfileConditionType.Equals)
  1415. {
  1416. item.RequireAvc = true;
  1417. }
  1418. else if (!isAvc && condition.Condition == ProfileConditionType.NotEquals)
  1419. {
  1420. item.RequireAvc = true;
  1421. }
  1422. }
  1423. break;
  1424. }
  1425. case ProfileConditionValue.IsAnamorphic:
  1426. {
  1427. if (!enableNonQualifiedConditions)
  1428. {
  1429. continue;
  1430. }
  1431. if (bool.TryParse(value, out var isAnamorphic))
  1432. {
  1433. if (isAnamorphic && condition.Condition == ProfileConditionType.Equals)
  1434. {
  1435. item.RequireNonAnamorphic = true;
  1436. }
  1437. else if (!isAnamorphic && condition.Condition == ProfileConditionType.NotEquals)
  1438. {
  1439. item.RequireNonAnamorphic = true;
  1440. }
  1441. }
  1442. break;
  1443. }
  1444. case ProfileConditionValue.IsInterlaced:
  1445. {
  1446. if (string.IsNullOrEmpty(qualifier))
  1447. {
  1448. if (!enableNonQualifiedConditions)
  1449. {
  1450. continue;
  1451. }
  1452. }
  1453. else
  1454. {
  1455. if (!enableQualifiedConditions)
  1456. {
  1457. continue;
  1458. }
  1459. }
  1460. if (bool.TryParse(value, out var isInterlaced))
  1461. {
  1462. if (!isInterlaced && condition.Condition == ProfileConditionType.Equals)
  1463. {
  1464. item.SetOption(qualifier, "deinterlace", "true");
  1465. }
  1466. else if (isInterlaced && condition.Condition == ProfileConditionType.NotEquals)
  1467. {
  1468. item.SetOption(qualifier, "deinterlace", "true");
  1469. }
  1470. }
  1471. break;
  1472. }
  1473. case ProfileConditionValue.AudioProfile:
  1474. case ProfileConditionValue.Has64BitOffsets:
  1475. case ProfileConditionValue.PacketLength:
  1476. case ProfileConditionValue.NumAudioStreams:
  1477. case ProfileConditionValue.NumVideoStreams:
  1478. case ProfileConditionValue.IsSecondaryAudio:
  1479. case ProfileConditionValue.VideoTimestamp:
  1480. {
  1481. // Not supported yet
  1482. break;
  1483. }
  1484. case ProfileConditionValue.RefFrames:
  1485. {
  1486. if (string.IsNullOrEmpty(qualifier))
  1487. {
  1488. if (!enableNonQualifiedConditions)
  1489. {
  1490. continue;
  1491. }
  1492. }
  1493. else
  1494. {
  1495. if (!enableQualifiedConditions)
  1496. {
  1497. continue;
  1498. }
  1499. }
  1500. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1501. {
  1502. if (condition.Condition == ProfileConditionType.Equals)
  1503. {
  1504. item.SetOption(qualifier, "maxrefframes", num.ToString(CultureInfo.InvariantCulture));
  1505. }
  1506. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1507. {
  1508. item.SetOption(qualifier, "maxrefframes", Math.Min(num, item.GetTargetRefFrames(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1509. }
  1510. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1511. {
  1512. item.SetOption(qualifier, "maxrefframes", Math.Max(num, item.GetTargetRefFrames(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1513. }
  1514. }
  1515. break;
  1516. }
  1517. case ProfileConditionValue.VideoBitDepth:
  1518. {
  1519. if (string.IsNullOrEmpty(qualifier))
  1520. {
  1521. if (!enableNonQualifiedConditions)
  1522. {
  1523. continue;
  1524. }
  1525. }
  1526. else
  1527. {
  1528. if (!enableQualifiedConditions)
  1529. {
  1530. continue;
  1531. }
  1532. }
  1533. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1534. {
  1535. if (condition.Condition == ProfileConditionType.Equals)
  1536. {
  1537. item.SetOption(qualifier, "videobitdepth", num.ToString(CultureInfo.InvariantCulture));
  1538. }
  1539. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1540. {
  1541. item.SetOption(qualifier, "videobitdepth", Math.Min(num, item.GetTargetVideoBitDepth(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1542. }
  1543. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1544. {
  1545. item.SetOption(qualifier, "videobitdepth", Math.Max(num, item.GetTargetVideoBitDepth(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1546. }
  1547. }
  1548. break;
  1549. }
  1550. case ProfileConditionValue.VideoProfile:
  1551. {
  1552. if (string.IsNullOrEmpty(qualifier))
  1553. {
  1554. continue;
  1555. }
  1556. // change from split by | to comma
  1557. // strip spaces to avoid having to encode
  1558. var values = value
  1559. .Split('|', StringSplitOptions.RemoveEmptyEntries);
  1560. if (condition.Condition == ProfileConditionType.Equals)
  1561. {
  1562. item.SetOption(qualifier, "profile", string.Join(',', values));
  1563. }
  1564. else if (condition.Condition == ProfileConditionType.EqualsAny)
  1565. {
  1566. var currentValue = item.GetOption(qualifier, "profile");
  1567. if (!string.IsNullOrEmpty(currentValue) && values.Any(value => value == currentValue))
  1568. {
  1569. item.SetOption(qualifier, "profile", currentValue);
  1570. }
  1571. else
  1572. {
  1573. item.SetOption(qualifier, "profile", string.Join(',', values));
  1574. }
  1575. }
  1576. break;
  1577. }
  1578. case ProfileConditionValue.Height:
  1579. {
  1580. if (!enableNonQualifiedConditions)
  1581. {
  1582. continue;
  1583. }
  1584. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1585. {
  1586. if (condition.Condition == ProfileConditionType.Equals)
  1587. {
  1588. item.MaxHeight = num;
  1589. }
  1590. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1591. {
  1592. item.MaxHeight = Math.Min(num, item.MaxHeight ?? num);
  1593. }
  1594. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1595. {
  1596. item.MaxHeight = Math.Max(num, item.MaxHeight ?? num);
  1597. }
  1598. }
  1599. break;
  1600. }
  1601. case ProfileConditionValue.VideoBitrate:
  1602. {
  1603. if (!enableNonQualifiedConditions)
  1604. {
  1605. continue;
  1606. }
  1607. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1608. {
  1609. if (condition.Condition == ProfileConditionType.Equals)
  1610. {
  1611. item.VideoBitrate = num;
  1612. }
  1613. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1614. {
  1615. item.VideoBitrate = Math.Min(num, item.VideoBitrate ?? num);
  1616. }
  1617. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1618. {
  1619. item.VideoBitrate = Math.Max(num, item.VideoBitrate ?? num);
  1620. }
  1621. }
  1622. break;
  1623. }
  1624. case ProfileConditionValue.VideoFramerate:
  1625. {
  1626. if (!enableNonQualifiedConditions)
  1627. {
  1628. continue;
  1629. }
  1630. if (float.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1631. {
  1632. if (condition.Condition == ProfileConditionType.Equals)
  1633. {
  1634. item.MaxFramerate = num;
  1635. }
  1636. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1637. {
  1638. item.MaxFramerate = Math.Min(num, item.MaxFramerate ?? num);
  1639. }
  1640. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1641. {
  1642. item.MaxFramerate = Math.Max(num, item.MaxFramerate ?? num);
  1643. }
  1644. }
  1645. break;
  1646. }
  1647. case ProfileConditionValue.VideoLevel:
  1648. {
  1649. if (string.IsNullOrEmpty(qualifier))
  1650. {
  1651. continue;
  1652. }
  1653. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1654. {
  1655. if (condition.Condition == ProfileConditionType.Equals)
  1656. {
  1657. item.SetOption(qualifier, "level", num.ToString(CultureInfo.InvariantCulture));
  1658. }
  1659. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1660. {
  1661. item.SetOption(qualifier, "level", Math.Min(num, item.GetTargetVideoLevel(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1662. }
  1663. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1664. {
  1665. item.SetOption(qualifier, "level", Math.Max(num, item.GetTargetVideoLevel(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));
  1666. }
  1667. }
  1668. break;
  1669. }
  1670. case ProfileConditionValue.Width:
  1671. {
  1672. if (!enableNonQualifiedConditions)
  1673. {
  1674. continue;
  1675. }
  1676. if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var num))
  1677. {
  1678. if (condition.Condition == ProfileConditionType.Equals)
  1679. {
  1680. item.MaxWidth = num;
  1681. }
  1682. else if (condition.Condition == ProfileConditionType.LessThanEqual)
  1683. {
  1684. item.MaxWidth = Math.Min(num, item.MaxWidth ?? num);
  1685. }
  1686. else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
  1687. {
  1688. item.MaxWidth = Math.Max(num, item.MaxWidth ?? num);
  1689. }
  1690. }
  1691. break;
  1692. }
  1693. default:
  1694. break;
  1695. }
  1696. }
  1697. }
  1698. private static bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audioStream)
  1699. {
  1700. // Check container type
  1701. if (!profile.SupportsContainer(item.Container))
  1702. {
  1703. return false;
  1704. }
  1705. // Check audio codec
  1706. string audioCodec = audioStream?.Codec;
  1707. if (!profile.SupportsAudioCodec(audioCodec))
  1708. {
  1709. return false;
  1710. }
  1711. return true;
  1712. }
  1713. }
  1714. }