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