< Summary - Jellyfin

Information
Class: MediaBrowser.Model.Dlna.StreamBuilder
Assembly: MediaBrowser.Model
File(s): /srv/git/jellyfin/MediaBrowser.Model/Dlna/StreamBuilder.cs
Line coverage
69%
Covered lines: 749
Uncovered lines: 326
Coverable lines: 1075
Total lines: 2449
Line coverage: 69.6%
Branch coverage
59%
Covered branches: 576
Total branches: 964
Branch coverage: 59.7%
Method coverage

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Coverage history

Coverage history 0 25 50 75 100 2/13/2026 - 12:11:21 AM Line coverage: 68.6% (724/1055) Branch coverage: 58.7% (553/942) Total lines: 23994/12/2026 - 12:13:54 AM Line coverage: 69.1% (730/1055) Branch coverage: 61.2% (578/944) Total lines: 23995/11/2026 - 12:15:59 AM Line coverage: 68.5% (733/1069) Branch coverage: 60.8% (584/960) Total lines: 24365/20/2026 - 12:15:44 AM Line coverage: 69.6% (749/1075) Branch coverage: 59.7% (576/964) Total lines: 2449 2/13/2026 - 12:11:21 AM Line coverage: 68.6% (724/1055) Branch coverage: 58.7% (553/942) Total lines: 23994/12/2026 - 12:13:54 AM Line coverage: 69.1% (730/1055) Branch coverage: 61.2% (578/944) Total lines: 23995/11/2026 - 12:15:59 AM Line coverage: 68.5% (733/1069) Branch coverage: 60.8% (584/960) Total lines: 24365/20/2026 - 12:15:44 AM Line coverage: 69.6% (749/1075) Branch coverage: 59.7% (576/964) Total lines: 2449

Coverage delta

Coverage delta 3 -3

Metrics

MethodBranch coverage Crap Score Cyclomatic complexity Line coverage
.cctor()100%11100%
.ctor(...)100%11100%
GetOptimalAudioStream(...)0%110100%
GetOptimalAudioStream(...)0%4692680%
GetOptimalVideoStream(...)80%1010100%
GetOptimalStream(...)100%11100%
SortMediaSources(...)100%11100%
GetTranscodeReasonForFailedCondition(...)32.14%2362835.71%
NormalizeMediaSourceFormatIntoSingleContainer(...)87.5%1616100%
GetAudioDirectPlayProfile(...)0%600240%
GetTranscodeReasonsFromDirectPlayProfile(...)0%420200%
GetDefaultSubtitleStreamIndex(...)96.15%272688.23%
SetStreamInfoOptionsFromTranscodingProfile(...)75%8895%
SetStreamInfoOptionsFromDirectPlayProfile(...)0%620%
BuildVideoItem(...)58.92%14011286.91%
GetVideoTranscodeProfile(...)70%101096.96%
BuildStreamVideoItem(...)88.28%12812897.27%
GetDefaultAudioBitrate(...)59.09%332271.42%
GetAudioBitrate(...)81.25%323295.83%
GetMaxAudioBitrateForTotalBitrate(...)68.75%231670.58%
GetVideoDirectPlayProfile(...)54.54%222296.11%
AggregateFailureConditions(...)100%11100%
LogConditionFailure(...)66.66%66100%
GetSubtitleProfile(...)78.94%473881.81%
IsSubtitleEmbedSupported(...)100%66100%
CanConsiderEmbedSubtitle(...)100%88100%
GetExternalSubtitleProfile(...)92.1%3838100%
IsBitrateLimitExceeded(...)66.66%6690.9%
ValidateMediaOptions(...)68.75%351658.33%
GetProfileConditionsForVideoAudio(...)100%11100%
GetProfileConditionsForAudio(...)0%620%
ApplyTranscodingConditions(...)61.63%927523244.82%
IsAudioContainerSupported(...)0%2040%
IsAudioDirectPlaySupported(...)0%4260%
IsAudioDirectStreamSupported(...)0%4260%
GetRank(...)100%44100%
CheckVideoConditions(...)50%3232100%
GetCompatibilityContainer(...)100%11100%
GetCompatibilityVideoCodec(...)100%11100%
GetCompatibilityAudioCodec(...)75%44100%
GetCompatibilityAudioCodecDirect(...)100%22100%

File(s)

/srv/git/jellyfin/MediaBrowser.Model/Dlna/StreamBuilder.cs

#LineLine coverage
 1using System;
 2using System.Collections.Generic;
 3using System.Globalization;
 4using System.Linq;
 5using Jellyfin.Data.Enums;
 6using Jellyfin.Extensions;
 7using MediaBrowser.Model.Dto;
 8using MediaBrowser.Model.Entities;
 9using MediaBrowser.Model.Extensions;
 10using MediaBrowser.Model.MediaInfo;
 11using MediaBrowser.Model.Session;
 12using Microsoft.Extensions.Logging;
 13
 14namespace MediaBrowser.Model.Dlna
 15{
 16    /// <summary>
 17    /// Class StreamBuilder.
 18    /// </summary>
 19    public class StreamBuilder
 20    {
 21        // Aliases
 22        internal const TranscodeReason ContainerReasons = TranscodeReason.ContainerNotSupported | TranscodeReason.Contai
 23        internal const TranscodeReason AudioCodecReasons = TranscodeReason.AudioBitrateNotSupported | TranscodeReason.Au
 24        internal const TranscodeReason AudioReasons = TranscodeReason.AudioCodecNotSupported | AudioCodecReasons;
 25        internal const TranscodeReason VideoCodecReasons = TranscodeReason.VideoResolutionNotSupported | TranscodeReason
 26        internal const TranscodeReason VideoReasons = TranscodeReason.VideoCodecNotSupported | VideoCodecReasons;
 27        internal const TranscodeReason DirectStreamReasons = AudioReasons | TranscodeReason.ContainerNotSupported | Tran
 28
 29        private readonly ILogger _logger;
 30        private readonly ITranscoderSupport _transcoderSupport;
 131        private static readonly string[] _supportedHlsVideoCodecs = ["h264", "hevc", "vp9", "av1"];
 132        private static readonly string[] _supportedHlsAudioCodecsTs = ["aac", "ac3", "eac3", "mp3"];
 133        private static readonly string[] _supportedHlsAudioCodecsMp4 = ["aac", "ac3", "eac3", "mp3", "alac", "flac", "op
 34
 35        /// <summary>
 36        /// Initializes a new instance of the <see cref="StreamBuilder"/> class.
 37        /// </summary>
 38        /// <param name="transcoderSupport">The <see cref="ITranscoderSupport"/> object.</param>
 39        /// <param name="logger">The <see cref="ILogger"/> object.</param>
 40        public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)
 41        {
 28042            _transcoderSupport = transcoderSupport;
 28043            _logger = logger;
 28044        }
 45
 46        /// <summary>
 47        /// Gets the optimal audio stream.
 48        /// </summary>
 49        /// <param name="options">The <see cref="MediaOptions"/> object to get the audio stream from.</param>
 50        /// <returns>The <see cref="StreamInfo"/> of the optimal audio stream.</returns>
 51        public StreamInfo? GetOptimalAudioStream(MediaOptions options)
 52        {
 053            ValidateMediaOptions(options, false);
 54
 055            List<StreamInfo> streams = [];
 056            foreach (var mediaSource in options.MediaSources)
 57            {
 058                if (!(string.IsNullOrEmpty(options.MediaSourceId)
 059                    || string.Equals(mediaSource.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase)))
 60                {
 61                    continue;
 62                }
 63
 064                StreamInfo? streamInfo = GetOptimalAudioStream(mediaSource, options);
 065                if (streamInfo is not null)
 66                {
 067                    streamInfo.DeviceId = options.DeviceId;
 068                    streamInfo.DeviceProfileId = options.Profile.Id?.ToString("N", CultureInfo.InvariantCulture);
 069                    streams.Add(streamInfo);
 70                }
 71            }
 72
 073            return GetOptimalStream(streams, options.GetMaxBitrate(true) ?? 0);
 74        }
 75
 76        private StreamInfo? GetOptimalAudioStream(MediaSourceInfo item, MediaOptions options)
 77        {
 078            var playlistItem = new StreamInfo
 079            {
 080                ItemId = options.ItemId,
 081                MediaType = DlnaProfileType.Audio,
 082                MediaSource = item,
 083                RunTimeTicks = item.RunTimeTicks,
 084                Context = options.Context,
 085                DeviceProfile = options.Profile
 086            };
 87
 088            if (options.ForceDirectPlay)
 89            {
 090                playlistItem.PlayMethod = PlayMethod.DirectPlay;
 091                playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, 
 092                return playlistItem;
 93            }
 94
 095            if (options.ForceDirectStream)
 96            {
 097                playlistItem.PlayMethod = PlayMethod.DirectStream;
 098                playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, 
 099                return playlistItem;
 100            }
 101
 0102            MediaStream audioStream = item.GetDefaultAudioStream(null);
 103
 0104            ArgumentNullException.ThrowIfNull(audioStream);
 105
 0106            var directPlayInfo = GetAudioDirectPlayProfile(item, audioStream, options);
 107
 0108            var directPlayMethod = directPlayInfo.PlayMethod;
 0109            var transcodeReasons = directPlayInfo.TranscodeReasons;
 110
 0111            if (directPlayMethod is PlayMethod.DirectPlay)
 112            {
 0113                var audioFailureReasons = GetCompatibilityAudioCodec(options, item, item.Container, audioStream, null, f
 0114                transcodeReasons |= audioFailureReasons;
 115
 0116                if (audioFailureReasons == 0)
 117                {
 0118                    playlistItem.PlayMethod = directPlayMethod.Value;
 0119                    playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profi
 120
 0121                    return playlistItem;
 122                }
 123            }
 124
 0125            if (directPlayMethod is PlayMethod.DirectStream)
 126            {
 0127                var remuxContainer = item.TranscodingContainer ?? "ts";
 0128                string[] supportedHlsContainers = ["ts", "mp4"];
 129                // If the container specified for the profile is an HLS supported container, use that container instead,
 130                // The client should be responsible to ensure this container is compatible
 0131                remuxContainer = Array.Exists(supportedHlsContainers, element => string.Equals(element, directPlayInfo.P
 132                bool codeIsSupported;
 0133                if (item.TranscodingSubProtocol == MediaStreamProtocol.hls)
 134                {
 135                    // Enforce HLS audio codec restrictions
 0136                    if (string.Equals(remuxContainer, "mp4", StringComparison.OrdinalIgnoreCase))
 137                    {
 0138                        codeIsSupported = _supportedHlsAudioCodecsMp4.Contains(directPlayInfo.Profile?.AudioCodec ?? dir
 139                    }
 140                    else
 141                    {
 0142                        codeIsSupported = _supportedHlsAudioCodecsTs.Contains(directPlayInfo.Profile?.AudioCodec ?? dire
 143                    }
 144                }
 145                else
 146                {
 147                    // Let's assume the client has given a correct container for http
 0148                    codeIsSupported = true;
 149                }
 150
 0151                if (codeIsSupported)
 152                {
 0153                    playlistItem.PlayMethod = directPlayMethod.Value;
 0154                    playlistItem.Container = remuxContainer;
 0155                    playlistItem.TranscodeReasons = transcodeReasons;
 0156                    playlistItem.SubProtocol = item.TranscodingSubProtocol;
 0157                    item.TranscodingContainer = remuxContainer;
 0158                    return playlistItem;
 159                }
 160
 0161                transcodeReasons |= TranscodeReason.AudioCodecNotSupported;
 0162                playlistItem.TranscodeReasons = transcodeReasons;
 163            }
 164
 0165            TranscodingProfile? transcodingProfile = null;
 0166            foreach (var tcProfile in options.Profile.TranscodingProfiles)
 167            {
 0168                if (tcProfile.Type == playlistItem.MediaType
 0169                    && tcProfile.Context == options.Context
 0170                    && _transcoderSupport.CanEncodeToAudioCodec(tcProfile.AudioCodec ?? tcProfile.Container))
 171                {
 0172                    transcodingProfile = tcProfile;
 0173                    break;
 174                }
 175            }
 176
 0177            if (transcodingProfile is not null)
 178            {
 0179                if (!item.SupportsTranscoding)
 180                {
 0181                    return null;
 182                }
 183
 0184                SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
 185
 0186                var inputAudioChannels = audioStream.Channels;
 0187                var inputAudioBitrate = audioStream.BitRate;
 0188                var inputAudioSampleRate = audioStream.SampleRate;
 0189                var inputAudioBitDepth = audioStream.BitDepth;
 190
 0191                var audioTranscodingConditions = GetProfileConditionsForAudio(options.Profile.CodecProfiles, transcoding
 0192                ApplyTranscodingConditions(playlistItem, audioTranscodingConditions, null, true, true);
 193
 194                // Honor requested max channels
 0195                playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
 196
 0197                var configuredBitrate = options.GetMaxBitrate(true);
 198
 0199                long transcodingBitrate = options.AudioTranscodingBitrate
 0200                    ?? (options.Context == EncodingContext.Streaming ? options.Profile.MusicStreamingTranscodingBitrate 
 0201                    ?? configuredBitrate
 0202                    ?? 128000;
 203
 0204                if (configuredBitrate.HasValue)
 205                {
 0206                    transcodingBitrate = Math.Min(configuredBitrate.Value, transcodingBitrate);
 207                }
 208
 0209                var longBitrate = Math.Min(transcodingBitrate, playlistItem.AudioBitrate ?? transcodingBitrate);
 0210                playlistItem.AudioBitrate = longBitrate > int.MaxValue ? int.MaxValue : Convert.ToInt32(longBitrate);
 211
 212                // Pure audio transcoding does not support comma separated list of transcoding codec at the moment.
 213                // So just use the AudioCodec as is would be safe enough as the _transcoderSupport.CanEncodeToAudioCodec
 214                // would fail so this profile will not even be picked up.
 0215                if (playlistItem.AudioCodecs.Count == 0 && !string.IsNullOrWhiteSpace(transcodingProfile.AudioCodec))
 216                {
 0217                    playlistItem.AudioCodecs = [transcodingProfile.AudioCodec];
 218                }
 219            }
 220
 0221            playlistItem.TranscodeReasons = transcodeReasons;
 0222            return playlistItem;
 223        }
 224
 225        /// <summary>
 226        /// Gets the optimal video stream.
 227        /// </summary>
 228        /// <param name="options">The <see cref="MediaOptions"/> object to get the video stream from.</param>
 229        /// <returns>The <see cref="StreamInfo"/> of the optimal video stream.</returns>
 230        public StreamInfo? GetOptimalVideoStream(MediaOptions options)
 231        {
 280232            ValidateMediaOptions(options, true);
 233
 280234            var mediaSources = string.IsNullOrEmpty(options.MediaSourceId)
 280235                ? options.MediaSources
 280236                : options.MediaSources.Where(x => string.Equals(x.Id, options.MediaSourceId, StringComparison.OrdinalIgn
 237
 280238            List<StreamInfo> streams = [];
 1120239            foreach (var mediaSourceInfo in mediaSources)
 240            {
 280241                var streamInfo = BuildVideoItem(mediaSourceInfo, options);
 280242                if (streamInfo is not null)
 243                {
 280244                    streams.Add(streamInfo);
 245                }
 246            }
 247
 1120248            foreach (var stream in streams)
 249            {
 280250                stream.DeviceId = options.DeviceId;
 280251                stream.DeviceProfileId = options.Profile.Id?.ToString("N", CultureInfo.InvariantCulture);
 252            }
 253
 280254            return GetOptimalStream(streams, options.GetMaxBitrate(false) ?? 0);
 255        }
 256
 257        private static StreamInfo? GetOptimalStream(List<StreamInfo> streams, long maxBitrate)
 280258            => SortMediaSources(streams, maxBitrate).FirstOrDefault();
 259
 260        private static IOrderedEnumerable<StreamInfo> SortMediaSources(List<StreamInfo> streams, long maxBitrate)
 261        {
 280262            return streams.OrderBy(i =>
 280263            {
 280264                // Nothing beats direct playing a file
 280265                if (i.PlayMethod == PlayMethod.DirectPlay && i.MediaSource?.Protocol == MediaProtocol.File)
 280266                {
 280267                    return 0;
 280268                }
 280269
 280270                return 1;
 280271            }).ThenBy(i =>
 280272            {
 280273                switch (i.PlayMethod)
 280274                {
 280275                    // Let's assume direct streaming a file is just as desirable as direct playing a remote url
 280276                    case PlayMethod.DirectStream:
 280277                    case PlayMethod.DirectPlay:
 280278                        return 0;
 280279                    default:
 280280                        return 1;
 280281                }
 280282            }).ThenBy(i =>
 280283            {
 280284                switch (i.MediaSource?.Protocol)
 280285                {
 280286                    case MediaProtocol.File:
 280287                        return 0;
 280288                    default:
 280289                        return 1;
 280290                }
 280291            }).ThenBy(i =>
 280292            {
 280293                if (maxBitrate > 0)
 280294                {
 280295                    if (i.MediaSource?.Bitrate is not null)
 280296                    {
 280297                        return Math.Abs(i.MediaSource.Bitrate.Value - maxBitrate);
 280298                    }
 280299                }
 280300
 280301                return 0;
 280302            }).ThenBy(streams.IndexOf);
 303        }
 304
 305        private static TranscodeReason GetTranscodeReasonForFailedCondition(ProfileCondition condition)
 306        {
 248307            switch (condition.Property)
 308            {
 309                case ProfileConditionValue.AudioBitrate:
 0310                    return TranscodeReason.AudioBitrateNotSupported;
 311
 312                case ProfileConditionValue.AudioChannels:
 122313                    return TranscodeReason.AudioChannelsNotSupported;
 314
 315                case ProfileConditionValue.AudioProfile:
 0316                    return TranscodeReason.AudioProfileNotSupported;
 317
 318                case ProfileConditionValue.AudioSampleRate:
 0319                    return TranscodeReason.AudioSampleRateNotSupported;
 320
 321                case ProfileConditionValue.Has64BitOffsets:
 322                    // TODO
 0323                    return 0;
 324
 325                case ProfileConditionValue.Height:
 0326                    return TranscodeReason.VideoResolutionNotSupported;
 327
 328                case ProfileConditionValue.IsAnamorphic:
 0329                    return TranscodeReason.AnamorphicVideoNotSupported;
 330
 331                case ProfileConditionValue.IsAvc:
 332                    // TODO
 0333                    return 0;
 334
 335                case ProfileConditionValue.IsInterlaced:
 0336                    return TranscodeReason.InterlacedVideoNotSupported;
 337
 338                case ProfileConditionValue.IsSecondaryAudio:
 35339                    return TranscodeReason.SecondaryAudioNotSupported;
 340
 341                case ProfileConditionValue.NumStreams:
 2342                    return TranscodeReason.StreamCountExceedsLimit;
 343
 344                case ProfileConditionValue.NumAudioStreams:
 345                    // TODO
 0346                    return 0;
 347
 348                case ProfileConditionValue.NumVideoStreams:
 349                    // TODO
 0350                    return 0;
 351
 352                case ProfileConditionValue.PacketLength:
 353                    // TODO
 0354                    return 0;
 355
 356                case ProfileConditionValue.RefFrames:
 0357                    return TranscodeReason.RefFramesNotSupported;
 358
 359                case ProfileConditionValue.VideoBitDepth:
 0360                    return TranscodeReason.VideoBitDepthNotSupported;
 361
 362                case ProfileConditionValue.AudioBitDepth:
 0363                    return TranscodeReason.AudioBitDepthNotSupported;
 364
 365                case ProfileConditionValue.VideoBitrate:
 4366                    return TranscodeReason.VideoBitrateNotSupported;
 367
 368                case ProfileConditionValue.VideoCodecTag:
 18369                    return TranscodeReason.VideoCodecTagNotSupported;
 370
 371                case ProfileConditionValue.VideoFramerate:
 0372                    return TranscodeReason.VideoFramerateNotSupported;
 373
 374                case ProfileConditionValue.VideoLevel:
 13375                    return TranscodeReason.VideoLevelNotSupported;
 376
 377                case ProfileConditionValue.VideoProfile:
 25378                    return TranscodeReason.VideoProfileNotSupported;
 379
 380                case ProfileConditionValue.VideoRangeType:
 28381                    return TranscodeReason.VideoRangeTypeNotSupported;
 382
 383                case ProfileConditionValue.VideoRotation:
 1384                    return TranscodeReason.VideoRotationNotSupported;
 385
 386                case ProfileConditionValue.VideoTimestamp:
 387                    // TODO
 0388                    return 0;
 389
 390                case ProfileConditionValue.Width:
 0391                    return TranscodeReason.VideoResolutionNotSupported;
 392
 393                default:
 0394                    return 0;
 395            }
 396        }
 397
 398        /// <summary>
 399        /// Normalizes input container.
 400        /// </summary>
 401        /// <param name="inputContainer">The input container.</param>
 402        /// <param name="profile">The <see cref="DeviceProfile"/>.</param>
 403        /// <param name="type">The <see cref="DlnaProfileType"/>.</param>
 404        /// <param name="playProfile">The <see cref="DirectPlayProfile"/> object to get the video stream from.</param>
 405        /// <returns>The normalized input container.</returns>
 406        public static string? NormalizeMediaSourceFormatIntoSingleContainer(string inputContainer, DeviceProfile? profil
 407        {
 408            // If the source is Live TV the inputContainer will be null until the mediasource is probed on first access
 405409            if (profile is null || string.IsNullOrEmpty(inputContainer) || !inputContainer.Contains(',', StringCompariso
 410            {
 94411                return inputContainer;
 412            }
 413
 311414            var formats = ContainerHelper.Split(inputContainer);
 311415            var playProfiles = playProfile is null ? profile.DirectPlayProfiles : [playProfile];
 1370416            foreach (var format in formats)
 417            {
 2602418                foreach (var directPlayProfile in playProfiles)
 419                {
 927420                    if (directPlayProfile.Type != type)
 421                    {
 422                        continue;
 423                    }
 424
 699425                    if (directPlayProfile.SupportsContainer(format))
 426                    {
 294427                        return format;
 428                    }
 429                }
 430            }
 431
 17432            return inputContainer;
 433        }
 434
 435        private (DirectPlayProfile? Profile, PlayMethod? PlayMethod, TranscodeReason TranscodeReasons) GetAudioDirectPla
 436        {
 0437            var directPlayProfile = options.Profile.DirectPlayProfiles
 0438                .FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(x, item, audioStream)
 439
 0440            TranscodeReason transcodeReasons = 0;
 0441            if (directPlayProfile is null)
 442            {
 0443                _logger.LogDebug(
 0444                    "Profile: {0}, No audio direct play profiles found for {1} with codec {2}",
 0445                    options.Profile.Name ?? "Unknown Profile",
 0446                    item.Path ?? "Unknown path",
 0447                    audioStream.Codec ?? "Unknown codec");
 448
 0449                var directStreamProfile = options.Profile.DirectPlayProfiles
 0450                    .FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectStreamSupported(x, item, audioS
 451
 0452                if (directStreamProfile is not null)
 453                {
 0454                    directPlayProfile = directStreamProfile;
 0455                    transcodeReasons |= TranscodeReason.ContainerNotSupported;
 456                }
 457                else
 458                {
 0459                    return (null, null, GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profil
 460                }
 461            }
 462
 463            // The profile describes what the device supports
 464            // If device requirements are satisfied then allow both direct stream and direct play
 465            // Note: As of 10.10 codebase, SupportsDirectPlay is always true because the MediaSourceInfo initializes thi
 466            // Need to check additionally for current transcode reasons
 0467            if (item.SupportsDirectPlay && transcodeReasons == 0)
 468            {
 0469                if (!IsBitrateLimitExceeded(item, options.GetMaxBitrate(true) ?? 0))
 470                {
 0471                    if (options.EnableDirectPlay)
 472                    {
 0473                        return (directPlayProfile, PlayMethod.DirectPlay, 0);
 474                    }
 475                }
 476                else
 477                {
 0478                    transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
 479                }
 480            }
 481
 482            // While options takes the network and other factors into account. Only applies to direct stream
 0483            if (item.SupportsDirectStream)
 484            {
 0485                if (!IsBitrateLimitExceeded(item, options.GetMaxBitrate(true) ?? 0))
 486                {
 487                    // Note: as of 10.10 codebase, the options.EnableDirectStream is always false due to
 488                    // "direct-stream http streaming is currently broken"
 489                    // Don't check that option for audio as we always assume that is supported
 0490                    if (transcodeReasons == TranscodeReason.ContainerNotSupported)
 491                    {
 0492                        return (directPlayProfile, PlayMethod.DirectStream, transcodeReasons);
 493                    }
 494                }
 495                else
 496                {
 0497                    transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
 498                }
 499            }
 500
 0501            return (directPlayProfile, null, transcodeReasons);
 502        }
 503
 504        private static TranscodeReason GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream? video
 505        {
 0506            var mediaType = videoStream is null ? DlnaProfileType.Audio : DlnaProfileType.Video;
 507
 0508            var containerSupported = false;
 0509            var audioSupported = false;
 0510            var videoSupported = false;
 511
 0512            foreach (var profile in directPlayProfiles)
 513            {
 514                // Check container type
 0515                if (profile.Type == mediaType && profile.SupportsContainer(item.Container))
 516                {
 0517                    containerSupported = true;
 518
 0519                    videoSupported = videoStream is null || profile.SupportsVideoCodec(videoStream.Codec);
 520
 0521                    audioSupported = audioStream is null || profile.SupportsAudioCodec(audioStream.Codec);
 522
 0523                    if (videoSupported && audioSupported)
 524                    {
 0525                        break;
 526                    }
 527                }
 528            }
 529
 0530            TranscodeReason reasons = 0;
 0531            if (!containerSupported)
 532            {
 0533                reasons |= TranscodeReason.ContainerNotSupported;
 534            }
 535
 0536            if (!videoSupported)
 537            {
 0538                reasons |= TranscodeReason.VideoCodecNotSupported;
 539            }
 540
 0541            if (!audioSupported)
 542            {
 0543                reasons |= TranscodeReason.AudioCodecNotSupported;
 544            }
 545
 0546            return reasons;
 547        }
 548
 549        private static int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
 550        {
 177551            int highestScore = -1;
 1800552            foreach (var stream in item.MediaStreams)
 553            {
 723554                if (stream.Type == MediaStreamType.Subtitle
 723555                    && stream.Score.HasValue
 723556                    && stream.Score.Value > highestScore)
 557                {
 144558                    highestScore = stream.Score.Value;
 559                }
 560            }
 561
 177562            List<MediaStream> topStreams = [];
 1800563            foreach (var stream in item.MediaStreams)
 564            {
 723565                if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue && stream.Score.Value == highestSco
 566                {
 321567                    topStreams.Add(stream);
 568                }
 569            }
 570
 571            // If multiple streams have an equal score, try to pick the most efficient one
 177572            if (topStreams.Count > 1)
 573            {
 378574                foreach (var stream in topStreams)
 575                {
 1464576                    foreach (var profile in subtitleProfiles)
 577                    {
 549578                        if (profile.Method == SubtitleDeliveryMethod.External && string.Equals(profile.Format, stream.Co
 579                        {
 0580                            return stream.Index;
 581                        }
 582                    }
 583                }
 584            }
 585
 586            // If no optimization panned out, just use the original default
 177587            return item.DefaultSubtitleStreamIndex;
 0588        }
 589
 590        private static void SetStreamInfoOptionsFromTranscodingProfile(MediaSourceInfo item, StreamInfo playlistItem, Tr
 591        {
 147592            var container = transcodingProfile.Container;
 147593            var protocol = transcodingProfile.Protocol;
 594
 147595            item.TranscodingContainer = container;
 147596            item.TranscodingSubProtocol = protocol;
 597
 147598            if (playlistItem.PlayMethod == PlayMethod.Transcode)
 599            {
 147600                playlistItem.Container = container;
 147601                playlistItem.SubProtocol = protocol;
 602            }
 603
 147604            playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
 147605            if (int.TryParse(transcodingProfile.MaxAudioChannels, CultureInfo.InvariantCulture, out int transcodingMaxAu
 606            {
 133607                playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
 608            }
 609
 147610            playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
 611
 147612            playlistItem.CopyTimestamps = transcodingProfile.CopyTimestamps;
 147613            playlistItem.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;
 147614            playlistItem.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
 615
 147616            playlistItem.EnableAudioVbrEncoding = transcodingProfile.EnableAudioVbrEncoding;
 617
 147618            if (transcodingProfile.MinSegments > 0)
 619            {
 102620                playlistItem.MinSegments = transcodingProfile.MinSegments;
 621            }
 622
 147623            if (transcodingProfile.SegmentLength > 0)
 624            {
 0625                playlistItem.SegmentLength = transcodingProfile.SegmentLength;
 626            }
 147627        }
 628
 629        private static void SetStreamInfoOptionsFromDirectPlayProfile(MediaOptions options, MediaSourceInfo item, Stream
 630        {
 0631            var container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileTy
 0632            var protocol = MediaStreamProtocol.http;
 633
 0634            item.TranscodingContainer = container;
 0635            item.TranscodingSubProtocol = protocol;
 636
 0637            playlistItem.Container = container;
 0638            playlistItem.SubProtocol = protocol;
 639
 0640            playlistItem.VideoCodecs = [item.VideoStream.Codec];
 0641            playlistItem.AudioCodecs = ContainerHelper.Split(directPlayProfile?.AudioCodec);
 0642        }
 643
 644        private StreamInfo BuildVideoItem(MediaSourceInfo item, MediaOptions options)
 645        {
 280646            ArgumentNullException.ThrowIfNull(item);
 647
 280648            StreamInfo playlistItem = new StreamInfo
 280649            {
 280650                ItemId = options.ItemId,
 280651                MediaType = DlnaProfileType.Video,
 280652                MediaSource = item,
 280653                RunTimeTicks = item.RunTimeTicks,
 280654                Context = options.Context,
 280655                DeviceProfile = options.Profile,
 280656                SubtitleStreamIndex = options.SubtitleStreamIndex ?? GetDefaultSubtitleStreamIndex(item, options.Profile
 280657                AlwaysBurnInSubtitleWhenTranscoding = options.AlwaysBurnInSubtitleWhenTranscoding
 280658            };
 659
 280660            var subtitleStream = playlistItem.SubtitleStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Subtitl
 661
 280662            var audioStream = item.GetDefaultAudioStream(options.AudioStreamIndex ?? item.DefaultAudioStreamIndex);
 280663            if (audioStream is not null)
 664            {
 279665                playlistItem.AudioStreamIndex = audioStream.Index;
 666            }
 667
 668            // Collect candidate audio streams
 280669            ICollection<MediaStream> candidateAudioStreams = audioStream is null ? [] : [audioStream];
 670            // When the index is explicitly required by client or the default is specified by user, don't do any stream 
 280671            if (!item.DefaultAudioIndexSource.HasFlag(AudioIndexSource.User) && (options.AudioStreamIndex is null or < 0
 672            {
 673                // When user has no preferences allow stream selection on all streams.
 177674                if (item.DefaultAudioIndexSource == AudioIndexSource.None && audioStream is not null)
 675                {
 176676                    candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio).ToAr
 176677                    if (audioStream.IsDefault)
 678                    {
 679                        // If default is picked, only allow selection within default streams.
 176680                        candidateAudioStreams = candidateAudioStreams.Where(stream => stream.IsDefault).ToArray();
 681                    }
 682                }
 683
 177684                if (item.DefaultAudioIndexSource.HasFlag(AudioIndexSource.Language))
 685                {
 686                    // If user has language preference, only allow stream selection within the same language.
 0687                    candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && st
 0688                    if (item.DefaultAudioIndexSource.HasFlag(AudioIndexSource.Default))
 689                    {
 0690                        var defaultStreamsInPreferredLanguage = candidateAudioStreams.Where(stream => stream.IsDefault).
 691
 692                        // If the user also prefers default streams, try limit selection within default tracks in the sa
 693                        // If there is no default stream in the preferred language, allow selection on all default strea
 0694                        candidateAudioStreams = defaultStreamsInPreferredLanguage.Length > 0
 0695                            ? defaultStreamsInPreferredLanguage
 0696                            : item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.IsDefault
 697                    }
 698                }
 177699                else if (item.DefaultAudioIndexSource.HasFlag(AudioIndexSource.Default))
 700                {
 701                    // If user prefers default streams, only allow stream selection on default streams.
 0702                    candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && st
 703                }
 704            }
 705
 280706            var videoStream = item.VideoStream;
 707
 280708            var bitrateLimitExceeded = IsBitrateLimitExceeded(item, options.GetMaxBitrate(false) ?? 0);
 280709            var isEligibleForDirectPlay = options.EnableDirectPlay && (options.ForceDirectPlay || !bitrateLimitExceeded)
 280710            var isEligibleForDirectStream = options.EnableDirectStream && (options.ForceDirectStream || !bitrateLimitExc
 280711            TranscodeReason transcodeReasons = 0;
 712
 713            // Force transcode or remux for BD/DVD folders
 280714            if (item.VideoType == VideoType.Dvd || item.VideoType == VideoType.BluRay)
 715            {
 0716                isEligibleForDirectPlay = false;
 717            }
 718
 280719            if (bitrateLimitExceeded)
 720            {
 24721                transcodeReasons = TranscodeReason.ContainerBitrateExceedsLimit;
 722            }
 723
 280724            _logger.LogDebug(
 280725                "Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",
 280726                options.Profile.Name ?? "Unknown Profile",
 280727                item.Path ?? "Unknown path",
 280728                isEligibleForDirectPlay,
 280729                isEligibleForDirectStream);
 730
 280731            DirectPlayProfile? directPlayProfile = null;
 280732            if (isEligibleForDirectPlay || isEligibleForDirectStream)
 733            {
 734                // See if it can be direct played
 256735                var directPlayInfo = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, candidateAudioSt
 256736                var directPlay = directPlayInfo.PlayMethod;
 256737                transcodeReasons |= directPlayInfo.TranscodeReasons;
 738
 256739                if (directPlay.HasValue)
 740                {
 125741                    directPlayProfile = directPlayInfo.Profile;
 125742                    playlistItem.PlayMethod = directPlay.Value;
 125743                    playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profi
 125744                    var videoCodec = videoStream?.Codec;
 125745                    playlistItem.VideoCodecs = videoCodec is null ? [] : [videoCodec];
 746
 125747                    if (directPlay == PlayMethod.DirectPlay)
 748                    {
 125749                        playlistItem.SubProtocol = MediaStreamProtocol.http;
 750
 125751                        var audioStreamIndex = directPlayInfo.AudioStreamIndex ?? audioStream?.Index;
 125752                        if (audioStreamIndex.HasValue)
 753                        {
 125754                            playlistItem.AudioStreamIndex = audioStreamIndex;
 125755                            var audioCodec = item.GetMediaStream(MediaStreamType.Audio, audioStreamIndex.Value)?.Codec;
 125756                            playlistItem.AudioCodecs = audioCodec is null ? [] : [audioCodec];
 757                        }
 758                    }
 0759                    else if (directPlay == PlayMethod.DirectStream)
 760                    {
 0761                        playlistItem.AudioStreamIndex = audioStream?.Index;
 0762                        if (audioStream is not null)
 763                        {
 0764                            playlistItem.AudioCodecs = ContainerHelper.Split(directPlayProfile?.AudioCodec);
 765                        }
 766
 0767                        SetStreamInfoOptionsFromDirectPlayProfile(options, item, playlistItem, directPlayProfile);
 0768                        BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStream
 769                    }
 770
 125771                    if (subtitleStream is not null)
 772                    {
 116773                        var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles,
 774
 116775                        playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
 116776                        playlistItem.SubtitleFormat = subtitleProfile.Format;
 777                    }
 778                }
 779
 256780                _logger.LogDebug(
 256781                    "DirectPlay Result for Profile: {0}, Path: {1}, PlayMethod: {2}, AudioStreamIndex: {3}, SubtitleStre
 256782                    options.Profile.Name ?? "Anonymous Profile",
 256783                    item.Path ?? "Unknown path",
 256784                    directPlayInfo.PlayMethod,
 256785                    directPlayInfo.AudioStreamIndex ?? audioStream?.Index,
 256786                    playlistItem.SubtitleStreamIndex,
 256787                    directPlayInfo.TranscodeReasons);
 788            }
 789
 280790            playlistItem.TranscodeReasons = transcodeReasons;
 791
 280792            if (playlistItem.PlayMethod != PlayMethod.DirectStream && playlistItem.PlayMethod != PlayMethod.DirectPlay)
 793            {
 794                // Can't direct play, find the transcoding profile
 795                // If we do this for direct-stream we will overwrite the info
 155796                var (transcodingProfile, playMethod) = GetVideoTranscodeProfile(item, options, videoStream, audioStream,
 797
 155798                if (transcodingProfile is not null && playMethod.HasValue)
 799                {
 147800                    SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
 801
 147802                    BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStreams, t
 803
 147804                    playlistItem.PlayMethod = PlayMethod.Transcode;
 805
 147806                    if (subtitleStream is not null)
 807                    {
 123808                        var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles,
 123809                        playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
 123810                        playlistItem.SubtitleFormat = subtitleProfile.Format;
 123811                        playlistItem.SubtitleCodecs = [subtitleProfile.Format];
 812                    }
 813
 147814                    if ((playlistItem.TranscodeReasons & (VideoReasons | TranscodeReason.ContainerBitrateExceedsLimit)) 
 815                    {
 45816                        ApplyTranscodingConditions(playlistItem, transcodingProfile.Conditions, null, true, true);
 817                    }
 818                }
 819            }
 820
 280821            _logger.LogDebug(
 280822                "StreamBuilder.BuildVideoItem( Profile={0}, Path={1}, AudioStreamIndex={2}, SubtitleStreamIndex={3} ) =>
 280823                options.Profile.Name ?? "Anonymous Profile",
 280824                item.Path ?? "Unknown path",
 280825                options.AudioStreamIndex,
 280826                options.SubtitleStreamIndex,
 280827                playlistItem.PlayMethod,
 280828                playlistItem.TranscodeReasons,
 280829                playlistItem.ToUrl("media:", "<token>", null));
 830
 280831            item.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileT
 280832            return playlistItem;
 833        }
 834
 835        private (TranscodingProfile? Profile, PlayMethod? PlayMethod) GetVideoTranscodeProfile(
 836            MediaSourceInfo item,
 837            MediaOptions options,
 838            MediaStream? videoStream,
 839            MediaStream? audioStream,
 840            StreamInfo playlistItem)
 841        {
 155842            var mediaSource = playlistItem.MediaSource;
 843
 155844            ArgumentNullException.ThrowIfNull(mediaSource);
 845
 155846            if (!(item.SupportsTranscoding || item.SupportsDirectStream))
 847            {
 0848                return (null, null);
 849            }
 850
 155851            var transcodingProfiles = options.Profile.TranscodingProfiles
 155852                .Where(i => i.Type == playlistItem.MediaType && i.Context == options.Context);
 853
 155854            if (item.UseMostCompatibleTranscodingProfile)
 855            {
 0856                transcodingProfiles = transcodingProfiles.Where(i => string.Equals(i.Container, "ts", StringComparison.O
 857            }
 858
 155859            var videoCodec = videoStream?.Codec;
 155860            var audioCodec = audioStream?.Codec;
 861
 155862            var analyzedProfiles = transcodingProfiles
 155863                .Select(transcodingProfile =>
 155864                {
 155865                    var rank = (Video: 3, Audio: 3);
 155866
 155867                    var container = transcodingProfile.Container;
 155868
 155869                    if (videoStream is not null
 155870                        && options.AllowVideoStreamCopy
 155871                        && ContainerHelper.ContainsContainer(transcodingProfile.VideoCodec, videoCodec))
 155872                    {
 155873                        var failures = GetCompatibilityVideoCodec(options, mediaSource, container, videoStream);
 155874                        rank.Video = failures == 0 ? 1 : 2;
 155875                    }
 155876
 155877                    if (audioStream is not null
 155878                        && options.AllowAudioStreamCopy)
 155879                    {
 155880                        // For Audio stream, we prefer the audio codec that can be directly copied, then the codec that 
 155881                        // the transcoding conditions, then the one does not satisfy the transcoding conditions.
 155882                        // For example: A client can support both aac and flac, but flac only supports 2 channels while 
 155883                        // When the source audio is 6 channel flac, we should transcode to 6 channel aac, instead of dow
 155884                        var transcodingAudioCodecs = ContainerHelper.Split(transcodingProfile.AudioCodec);
 155885
 155886                        foreach (var transcodingAudioCodec in transcodingAudioCodecs)
 155887                        {
 155888                            var failures = GetCompatibilityAudioCodec(options, mediaSource, container, audioStream, tran
 155889
 155890                            var rankAudio = 3;
 155891
 155892                            if (failures == 0)
 155893                            {
 155894                                rankAudio = string.Equals(transcodingAudioCodec, audioCodec, StringComparison.OrdinalIgn
 155895                            }
 155896
 155897                            rank.Audio = Math.Min(rank.Audio, rankAudio);
 155898
 155899                            if (rank.Audio == 1)
 155900                            {
 155901                                break;
 155902                            }
 155903                        }
 155904                    }
 155905
 155906                    PlayMethod playMethod = PlayMethod.Transcode;
 155907
 155908                    if (rank.Video == 1)
 155909                    {
 155910                        playMethod = PlayMethod.DirectStream;
 155911                    }
 155912
 155913                    return (Profile: transcodingProfile, PlayMethod: playMethod, Rank: rank);
 155914                })
 155915                .OrderBy(analysis => analysis.Rank);
 916
 155917            var profileMatch = analyzedProfiles.FirstOrDefault();
 918
 155919            return (profileMatch.Profile, profileMatch.PlayMethod);
 920        }
 921
 922        private void BuildStreamVideoItem(
 923            StreamInfo playlistItem,
 924            MediaOptions options,
 925            MediaSourceInfo item,
 926            MediaStream? videoStream,
 927            MediaStream? audioStream,
 928            IEnumerable<MediaStream> candidateAudioStreams,
 929            string? container,
 930            string? videoCodec,
 931            string? audioCodec)
 932        {
 933            // Prefer matching video codecs
 147934            var videoCodecs = ContainerHelper.Split(videoCodec).ToList();
 935
 147936            if (videoCodecs.Count == 0 && videoStream is not null)
 937            {
 938                // Add the original codec if no codec is specified
 0939                videoCodecs.Add(videoStream.Codec);
 940            }
 941
 942            // Enforce HLS video codec restrictions
 147943            if (playlistItem.SubProtocol == MediaStreamProtocol.hls)
 944            {
 133945                videoCodecs = videoCodecs.Where(codec => _supportedHlsVideoCodecs.Contains(codec)).ToList();
 946            }
 947
 147948            playlistItem.VideoCodecs = videoCodecs;
 949
 950            // Copy video codec options as a starting point, this applies to transcode and direct-stream
 147951            playlistItem.MaxFramerate = videoStream?.ReferenceFrameRate;
 147952            var qualifier = videoStream?.Codec;
 147953            if (videoStream?.Level is not null)
 954            {
 146955                playlistItem.SetOption(qualifier, "level", videoStream.Level.Value.ToString(CultureInfo.InvariantCulture
 956            }
 957
 147958            if (videoStream?.BitDepth is not null)
 959            {
 146960                playlistItem.SetOption(qualifier, "videobitdepth", videoStream.BitDepth.Value.ToString(CultureInfo.Invar
 961            }
 962
 147963            if (!string.IsNullOrEmpty(videoStream?.Profile))
 964            {
 146965                playlistItem.SetOption(qualifier, "profile", videoStream.Profile.ToLowerInvariant());
 966            }
 967
 968            // Prefer matching audio codecs, could do better here
 147969            var audioCodecs = ContainerHelper.Split(audioCodec).ToList();
 970
 147971            if (audioCodecs.Count == 0 && audioStream is not null)
 972            {
 973                // Add the original codec if no codec is specified
 0974                audioCodecs.Add(audioStream.Codec);
 975            }
 976
 977            // Enforce HLS audio codec restrictions
 147978            if (playlistItem.SubProtocol == MediaStreamProtocol.hls)
 979            {
 133980                if (string.Equals(playlistItem.Container, "mp4", StringComparison.OrdinalIgnoreCase))
 981                {
 72982                    audioCodecs = audioCodecs.Where(codec => _supportedHlsAudioCodecsMp4.Contains(codec)).ToList();
 983                }
 984                else
 985                {
 61986                    audioCodecs = audioCodecs.Where(codec => _supportedHlsAudioCodecsTs.Contains(codec)).ToList();
 987                }
 988            }
 989
 147990            var audioStreamWithSupportedCodec = candidateAudioStreams.Where(stream => ContainerHelper.ContainsContainer(
 991
 147992            var channelsExceedsLimit = audioStreamWithSupportedCodec is not null && audioStreamWithSupportedCodec.Channe
 993
 147994            var directAudioFailures = audioStreamWithSupportedCodec is null ? default : GetCompatibilityAudioCodec(optio
 995
 147996            playlistItem.TranscodeReasons |= directAudioFailures;
 997
 147998            var directAudioStreamSatisfied = audioStreamWithSupportedCodec is not null && !channelsExceedsLimit
 147999                && directAudioFailures == 0;
 1000
 1471001            directAudioStreamSatisfied = directAudioStreamSatisfied && !playlistItem.TranscodeReasons.HasFlag(TranscodeR
 1002
 1471003            var directAudioStream = directAudioStreamSatisfied ? audioStreamWithSupportedCodec : null;
 1004
 1471005            if (channelsExceedsLimit && playlistItem.TargetAudioStream is not null)
 1006            {
 101007                playlistItem.TranscodeReasons |= TranscodeReason.AudioChannelsNotSupported;
 101008                playlistItem.TargetAudioStream.Channels = playlistItem.TranscodingMaxAudioChannels;
 1009            }
 1010
 1471011            playlistItem.AudioCodecs = audioCodecs;
 1471012            if (directAudioStream is not null)
 1013            {
 561014                audioStream = directAudioStream;
 561015                playlistItem.AudioStreamIndex = audioStream.Index;
 561016                audioCodecs = [audioStream.Codec];
 561017                playlistItem.AudioCodecs = audioCodecs;
 1018
 1019                // Copy matching audio codec options
 561020                playlistItem.AudioSampleRate = audioStream.SampleRate;
 561021                playlistItem.SetOption(qualifier, "audiochannels", audioStream.Channels?.ToString(CultureInfo.InvariantC
 1022
 561023                if (!string.IsNullOrEmpty(audioStream.Profile))
 1024                {
 541025                    playlistItem.SetOption(audioStream.Codec, "profile", audioStream.Profile.ToLowerInvariant());
 1026                }
 1027
 561028                if (audioStream.Level.HasValue && audioStream.Level.Value != 0)
 1029                {
 01030                    playlistItem.SetOption(audioStream.Codec, "level", audioStream.Level.Value.ToString(CultureInfo.Inva
 1031                }
 1032            }
 1033
 1471034            int? width = videoStream?.Width;
 1471035            int? height = videoStream?.Height;
 1471036            int? bitDepth = videoStream?.BitDepth;
 1471037            int? videoBitrate = videoStream?.BitRate;
 1471038            double? videoLevel = videoStream?.Level;
 1471039            string? videoProfile = videoStream?.Profile;
 1471040            VideoRangeType? videoRangeType = videoStream?.VideoRangeType;
 1471041            float videoFramerate = videoStream is null ? 0 : videoStream.ReferenceFrameRate ?? 0;
 1471042            bool? isAnamorphic = videoStream?.IsAnamorphic;
 1471043            bool? isInterlaced = videoStream?.IsInterlaced;
 1471044            string? videoCodecTag = videoStream?.CodecTag;
 1471045            bool? isAvc = videoStream?.IsAVC;
 1471046            int? videoRotation = videoStream?.Rotation;
 1047
 1471048            TransportStreamTimestamp? timestamp = videoStream is null ? TransportStreamTimestamp.None : item.Timestamp;
 1471049            int? packetLength = videoStream?.PacketLength;
 1471050            int? refFrames = videoStream?.RefFrames;
 1051
 1471052            int numStreams = item.MediaStreams.Count;
 1471053            int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);
 1471054            int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);
 1055
 1471056            var useSubContainer = playlistItem.SubProtocol == MediaStreamProtocol.hls;
 1057
 1471058            var appliedVideoConditions = options.Profile.CodecProfiles
 1471059                .Where(i => i.Type == CodecType.Video &&
 1471060                    i.ContainsAnyCodec(playlistItem.VideoCodecs, container, useSubContainer) &&
 1471061                    i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition,
 1471062                // Reverse codec profiles for backward compatibility - first codec profile has higher priority
 1471063                .Reverse();
 8901064            foreach (var condition in appliedVideoConditions)
 1065            {
 24161066                foreach (var transcodingVideoCodec in playlistItem.VideoCodecs)
 1067                {
 9101068                    if (condition.ContainsAnyCodec(transcodingVideoCodec, container, useSubContainer))
 1069                    {
 3061070                        ApplyTranscodingConditions(playlistItem, condition.Conditions, transcodingVideoCodec, true, true
 1071                        continue;
 1072                    }
 1073                }
 1074            }
 1075
 1076            // Honor requested max channels
 1471077            playlistItem.GlobalMaxAudioChannels = channelsExceedsLimit ? playlistItem.TranscodingMaxAudioChannels : opti
 1078
 1471079            int audioBitrate = GetAudioBitrate(options.GetMaxBitrate(true) ?? 0, playlistItem.TargetAudioCodec, audioStr
 1471080            playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);
 1081
 1471082            bool? isSecondaryAudio = audioStream is null ? null : item.IsSecondaryAudio(audioStream);
 1471083            int? inputAudioBitrate = audioStream?.BitRate;
 1471084            int? audioChannels = audioStream?.Channels;
 1471085            string? audioProfile = audioStream?.Profile;
 1471086            int? inputAudioSampleRate = audioStream?.SampleRate;
 1471087            int? inputAudioBitDepth = audioStream?.BitDepth;
 1088
 1471089            var appliedAudioConditions = options.Profile.CodecProfiles
 1471090                .Where(i => i.Type == CodecType.VideoAudio &&
 1471091                    i.ContainsAnyCodec(playlistItem.AudioCodecs, container) &&
 1471092                    i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondi
 1471093                // Reverse codec profiles for backward compatibility - first codec profile has higher priority
 1471094                .Reverse();
 1095
 5981096            foreach (var codecProfile in appliedAudioConditions)
 1097            {
 4561098                foreach (var transcodingAudioCodec in playlistItem.AudioCodecs)
 1099                {
 1521100                    if (codecProfile.ContainsAnyCodec(transcodingAudioCodec, container))
 1101                    {
 1521102                        ApplyTranscodingConditions(playlistItem, codecProfile.Conditions, transcodingAudioCodec, true, t
 1521103                        break;
 1104                    }
 1105                }
 1106            }
 1107
 1471108            var maxBitrateSetting = options.GetMaxBitrate(false);
 1109            // Honor max rate
 1471110            if (maxBitrateSetting.HasValue)
 1111            {
 1471112                var availableBitrateForVideo = maxBitrateSetting.Value;
 1113
 1471114                if (playlistItem.AudioBitrate.HasValue)
 1115                {
 1471116                    availableBitrateForVideo -= playlistItem.AudioBitrate.Value;
 1117                }
 1118
 1119                // Make sure the video bitrate is lower than bitrate settings but at least 64k
 1120                // Don't use Math.Clamp as availableBitrateForVideo can be lower then 64k.
 1471121                var currentValue = playlistItem.VideoBitrate ?? availableBitrateForVideo;
 1471122                playlistItem.VideoBitrate = Math.Max(Math.Min(availableBitrateForVideo, currentValue), 64_000);
 1123            }
 1124
 1471125            _logger.LogDebug(
 1471126                "Transcode Result for Profile: {Profile}, Path: {Path}, PlayMethod: {PlayMethod}, AudioStreamIndex: {Aud
 1471127                options.Profile.Name ?? "Anonymous Profile",
 1471128                item.Path ?? "Unknown path",
 1471129                playlistItem.PlayMethod,
 1471130                audioStream?.Index,
 1471131                playlistItem.SubtitleStreamIndex,
 1471132                playlistItem.TranscodeReasons);
 1471133        }
 1134
 1135        private static int GetDefaultAudioBitrate(string? audioCodec, int? audioChannels)
 1136        {
 601137            if (!string.IsNullOrEmpty(audioCodec))
 1138            {
 1139                // Default to a higher bitrate for stream copy
 601140                if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase)
 601141                    || string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase)
 601142                    || string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase)
 601143                    || string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase))
 1144                {
 551145                    if ((audioChannels ?? 0) < 2)
 1146                    {
 01147                        return 128000;
 1148                    }
 1149
 551150                    return (audioChannels ?? 0) >= 6 ? 640000 : 384000;
 1151                }
 1152
 51153                if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase)
 51154                    || string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase))
 1155                {
 01156                    if ((audioChannels ?? 0) < 2)
 1157                    {
 01158                        return 768000;
 1159                    }
 1160
 01161                    return (audioChannels ?? 0) >= 6 ? 3584000 : 1536000;
 1162                }
 1163            }
 1164
 51165            return 192000;
 1166        }
 1167
 1168        private static int GetAudioBitrate(long maxTotalBitrate, IReadOnlyList<string> targetAudioCodecs, MediaStream? a
 1169        {
 1471170            string? targetAudioCodec = targetAudioCodecs.Count == 0 ? null : targetAudioCodecs[0];
 1171
 1471172            int? targetAudioChannels = item.GetTargetAudioChannels(targetAudioCodec);
 1173
 1174            int defaultBitrate;
 1471175            int encoderAudioBitrateLimit = int.MaxValue;
 1176
 1471177            if (audioStream is null)
 1178            {
 11179                defaultBitrate = 192000;
 1180            }
 1181            else
 1182            {
 1461183                if (targetAudioChannels.HasValue
 1461184                    && audioStream.Channels.HasValue
 1461185                    && audioStream.Channels.Value > targetAudioChannels.Value)
 1186                {
 1187                    // Reduce the bitrate if we're down mixing.
 461188                    defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);
 1189                }
 1001190                else if (targetAudioChannels.HasValue
 1001191                         && audioStream.Channels.HasValue
 1001192                         && audioStream.Channels.Value <= targetAudioChannels.Value
 1001193                         && !string.IsNullOrEmpty(audioStream.Codec)
 1001194                         && targetAudioCodecs is not null
 1001195                         && targetAudioCodecs.Count > 0
 1001196                         && !targetAudioCodecs.Any(elem => string.Equals(audioStream.Codec, elem, StringComparison.Ordin
 1197                {
 1198                    // Shift the bitrate if we're transcoding to a different audio codec.
 141199                    defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, audioStream.Channels.Value);
 1200                }
 1201                else
 1202                {
 861203                    defaultBitrate = audioStream.BitRate ?? GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels
 1204                }
 1205
 1206                // Seeing webm encoding failures when source has 1 audio channel and 22k bitrate.
 1207                // Any attempts to transcode over 64k will fail
 1461208                if (audioStream.Channels == 1
 1461209                    && (audioStream.BitRate ?? 0) < 64000)
 1210                {
 01211                    encoderAudioBitrateLimit = 64000;
 1212                }
 1213            }
 1214
 1471215            if (maxTotalBitrate > 0)
 1216            {
 1471217                defaultBitrate = Math.Min(GetMaxAudioBitrateForTotalBitrate(maxTotalBitrate), defaultBitrate);
 1218            }
 1219
 1471220            return Math.Min(defaultBitrate, encoderAudioBitrateLimit);
 1221        }
 1222
 1223        private static int GetMaxAudioBitrateForTotalBitrate(long totalBitrate)
 1224        {
 1471225            if (totalBitrate <= 640000)
 1226            {
 81227                return 128000;
 1228            }
 1229
 1391230            if (totalBitrate <= 2000000)
 1231            {
 01232                return 384000;
 1233            }
 1234
 1391235            if (totalBitrate <= 3000000)
 1236            {
 01237                return 448000;
 1238            }
 1239
 1391240            if (totalBitrate <= 4000000)
 1241            {
 01242                return 640000;
 1243            }
 1244
 1391245            if (totalBitrate <= 5000000)
 1246            {
 01247                return 768000;
 1248            }
 1249
 1391250            if (totalBitrate <= 10000000)
 1251            {
 81252                return 1536000;
 1253            }
 1254
 1311255            if (totalBitrate <= 15000000)
 1256            {
 01257                return 2304000;
 1258            }
 1259
 1311260            if (totalBitrate <= 20000000)
 1261            {
 141262                return 3584000;
 1263            }
 1264
 1171265            return 7168000;
 1266        }
 1267
 1268        private (DirectPlayProfile? Profile, PlayMethod? PlayMethod, int? AudioStreamIndex, TranscodeReason TranscodeRea
 1269            MediaOptions options,
 1270            MediaSourceInfo mediaSource,
 1271            MediaStream? videoStream,
 1272            MediaStream? audioStream,
 1273            ICollection<MediaStream> candidateAudioStreams,
 1274            MediaStream? subtitleStream,
 1275            bool isEligibleForDirectPlay,
 1276            bool isEligibleForDirectStream)
 1277        {
 2561278            if (options.ForceDirectPlay)
 1279            {
 01280                return (null, PlayMethod.DirectPlay, audioStream?.Index, 0);
 1281            }
 1282
 2561283            if (options.ForceDirectStream)
 1284            {
 01285                return (null, PlayMethod.DirectStream, audioStream?.Index, 0);
 1286            }
 1287
 2561288            DeviceProfile profile = options.Profile;
 2561289            string container = mediaSource.Container;
 1290
 1291            // Check container conditions
 2561292            var containerProfileReasons = GetCompatibilityContainer(options, mediaSource, container, videoStream);
 1293
 1294            // Check video conditions
 2561295            var videoCodecProfileReasons = videoStream is null ? default : GetCompatibilityVideoCodec(options, mediaSour
 1296
 1297            // Check audio candidates profile conditions
 2561298            var audioStreamMatches = candidateAudioStreams.ToDictionary(s => s, audioStream => GetCompatibilityAudioCode
 1299
 2561300            TranscodeReason subtitleProfileReasons = 0;
 2561301            if (subtitleStream is not null)
 1302            {
 2231303                var subtitleProfile = GetSubtitleProfile(mediaSource, subtitleStream, options.Profile.SubtitleProfiles, 
 1304
 2231305                if (subtitleProfile.Method != SubtitleDeliveryMethod.Drop
 2231306                    && subtitleProfile.Method != SubtitleDeliveryMethod.External
 2231307                    && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
 1308                {
 01309                    _logger.LogDebug("Not eligible for {0} due to unsupported subtitles", PlayMethod.DirectPlay);
 01310                    subtitleProfileReasons |= TranscodeReason.SubtitleCodecNotSupported;
 1311                }
 1312            }
 1313
 2561314            var containerSupported = false;
 2561315            TranscodeReason[] rankings = [TranscodeReason.VideoCodecNotSupported, VideoCodecReasons, TranscodeReason.Aud
 1316
 1317            // Check DirectPlay profiles to see if it can be direct played
 2561318            var analyzedProfiles = profile.DirectPlayProfiles
 2561319                .Where(directPlayProfile => directPlayProfile.Type == DlnaProfileType.Video)
 2561320                .Select((directPlayProfile, order) =>
 2561321                {
 2561322                    TranscodeReason directPlayProfileReasons = 0;
 2561323                    TranscodeReason audioCodecProfileReasons = 0;
 2561324
 2561325                    // Check container type
 2561326                    if (!directPlayProfile.SupportsContainer(container))
 2561327                    {
 2561328                        directPlayProfileReasons |= TranscodeReason.ContainerNotSupported;
 2561329                    }
 2561330                    else
 2561331                    {
 2561332                        containerSupported = true;
 2561333                    }
 2561334
 2561335                    // Check video codec
 2561336                    string? videoCodec = videoStream?.Codec;
 2561337                    if (!directPlayProfile.SupportsVideoCodec(videoCodec))
 2561338                    {
 2561339                        directPlayProfileReasons |= TranscodeReason.VideoCodecNotSupported;
 2561340                    }
 2561341
 2561342                    // Check audio codec
 2561343                    MediaStream? selectedAudioStream = null;
 2561344                    if (candidateAudioStreams.Count != 0)
 2561345                    {
 2561346                        selectedAudioStream = candidateAudioStreams.FirstOrDefault(audioStream => directPlayProfile.Supp
 2561347                        if (selectedAudioStream is null)
 2561348                        {
 2561349                            directPlayProfileReasons |= TranscodeReason.AudioCodecNotSupported;
 2561350                        }
 2561351                        else
 2561352                        {
 2561353                            audioCodecProfileReasons = audioStreamMatches.GetValueOrDefault(selectedAudioStream);
 2561354                        }
 2561355                    }
 2561356
 2561357                    var failureReasons = directPlayProfileReasons | containerProfileReasons | subtitleProfileReasons;
 2561358
 2561359                    if ((failureReasons & TranscodeReason.VideoCodecNotSupported) == 0)
 2561360                    {
 2561361                        failureReasons |= videoCodecProfileReasons;
 2561362                    }
 2561363
 2561364                    if ((failureReasons & TranscodeReason.AudioCodecNotSupported) == 0)
 2561365                    {
 2561366                        failureReasons |= audioCodecProfileReasons;
 2561367                    }
 2561368
 2561369                    var directStreamFailureReasons = failureReasons & (~DirectStreamReasons);
 2561370
 2561371                    PlayMethod? playMethod = null;
 2561372                    if (failureReasons == 0 && isEligibleForDirectPlay && mediaSource.SupportsDirectPlay)
 2561373                    {
 2561374                        playMethod = PlayMethod.DirectPlay;
 2561375                    }
 2561376                    else if (directStreamFailureReasons == 0 && isEligibleForDirectStream && mediaSource.SupportsDirectS
 2561377                    {
 2561378                        playMethod = PlayMethod.DirectStream;
 2561379                    }
 2561380
 2561381                    var ranked = GetRank(ref failureReasons, rankings);
 2561382
 2561383                    return (Result: (Profile: directPlayProfile, PlayMethod: playMethod, AudioStreamIndex: selectedAudio
 2561384                })
 2561385                .OrderByDescending(analysis => analysis.Result.PlayMethod)
 2561386                .ThenByDescending(analysis => analysis.Rank)
 2561387                .ThenBy(analysis => analysis.Order)
 2561388                .ToArray()
 2561389                .ToLookup(analysis => analysis.Result.PlayMethod is not null);
 1390
 2561391            var profileMatch = analyzedProfiles[true]
 2561392                .Select(analysis => analysis.Result)
 2561393                .FirstOrDefault();
 2561394            if (profileMatch.Profile is not null)
 1395            {
 1251396                return profileMatch;
 1397            }
 1398
 1311399            var failureReasons = analyzedProfiles[false]
 1311400                .Select(analysis => analysis.Result)
 1311401                .Where(result => !containerSupported || !result.TranscodeReason.HasFlag(TranscodeReason.ContainerNotSupp
 1311402                .FirstOrDefault().TranscodeReason;
 1311403            if (failureReasons == 0)
 1404            {
 141405                failureReasons = TranscodeReason.DirectPlayError;
 1406            }
 1407
 1311408            return (Profile: null, PlayMethod: null, AudioStreamIndex: null, TranscodeReasons: failureReasons);
 1409        }
 1410
 1411        private TranscodeReason AggregateFailureConditions(MediaSourceInfo mediaSource, DeviceProfile profile, string ty
 1412        {
 16691413            return conditions.Aggregate<ProfileCondition, TranscodeReason>(0, (reasons, i) =>
 16691414            {
 16691415                LogConditionFailure(profile, type, i, mediaSource);
 16691416                var transcodeReasons = GetTranscodeReasonForFailedCondition(i);
 16691417                return reasons | transcodeReasons;
 16691418            });
 1419        }
 1420
 1421        private void LogConditionFailure(DeviceProfile profile, string type, ProfileCondition condition, MediaSourceInfo
 1422        {
 2481423            _logger.LogDebug(
 2481424                "Profile: {0}, DirectPlay=false. Reason={1}.{2} Condition: {3}. ConditionValue: {4}. IsRequired: {5}. Pa
 2481425                type,
 2481426                profile.Name ?? "Unknown Profile",
 2481427                condition.Property,
 2481428                condition.Condition,
 2481429                condition.Value ?? string.Empty,
 2481430                condition.IsRequired,
 2481431                mediaSource.Path ?? "Unknown path");
 2481432        }
 1433
 1434        /// <summary>
 1435        /// Normalizes input container.
 1436        /// </summary>
 1437        /// <param name="mediaSource">The <see cref="MediaSourceInfo"/>.</param>
 1438        /// <param name="subtitleStream">The <see cref="MediaStream"/> of the subtitle stream.</param>
 1439        /// <param name="subtitleProfiles">The list of supported <see cref="SubtitleProfile"/>s.</param>
 1440        /// <param name="playMethod">The <see cref="PlayMethod"/>.</param>
 1441        /// <param name="transcoderSupport">The <see cref="ITranscoderSupport"/>.</param>
 1442        /// <param name="outputContainer">The output container.</param>
 1443        /// <param name="transcodingSubProtocol">The subtitle transcoding protocol.</param>
 1444        /// <returns>The normalized input container.</returns>
 1445        public static SubtitleProfile GetSubtitleProfile(
 1446            MediaSourceInfo mediaSource,
 1447            MediaStream subtitleStream,
 1448            SubtitleProfile[] subtitleProfiles,
 1449            PlayMethod playMethod,
 1450            ITranscoderSupport transcoderSupport,
 1451            string? outputContainer,
 1452            MediaStreamProtocol? transcodingSubProtocol)
 1453        {
 4821454            if (CanConsiderEmbedSubtitle(subtitleStream, playMethod, transcodingSubProtocol, outputContainer))
 1455            {
 1456                // Look for supported embedded subs of the same format
 541457                foreach (var profile in subtitleProfiles)
 1458                {
 151459                    if (!profile.SupportsLanguage(subtitleStream.Language))
 1460                    {
 1461                        continue;
 1462                    }
 1463
 151464                    if (profile.Method != SubtitleDeliveryMethod.Embed)
 1465                    {
 1466                        continue;
 1467                    }
 1468
 61469                    if (!ContainerHelper.ContainsContainer(profile.Container, outputContainer))
 1470                    {
 1471                        continue;
 1472                    }
 1473
 61474                    if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))
 1475                    {
 1476                        continue;
 1477                    }
 1478
 61479                    if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && string.Equals
 1480                    {
 61481                        return profile;
 1482                    }
 1483                }
 1484
 1485                // Look for supported embedded subs of a convertible format
 361486                foreach (var profile in subtitleProfiles)
 1487                {
 91488                    if (!profile.SupportsLanguage(subtitleStream.Language))
 1489                    {
 1490                        continue;
 1491                    }
 1492
 91493                    if (profile.Method != SubtitleDeliveryMethod.Embed)
 1494                    {
 1495                        continue;
 1496                    }
 1497
 01498                    if (!ContainerHelper.ContainsContainer(profile.Container, outputContainer))
 1499                    {
 1500                        continue;
 1501                    }
 1502
 01503                    if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))
 1504                    {
 1505                        continue;
 1506                    }
 1507
 01508                    if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsSubtitleConversionTo(profile.Forma
 1509                    {
 01510                        return profile;
 1511                    }
 1512                }
 1513            }
 1514
 1515            // Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require con
 4761516            return GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSuppo
 4761517                GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport,
 4761518                new SubtitleProfile
 4761519                {
 4761520                    Method = SubtitleDeliveryMethod.Encode,
 4761521                    Format = subtitleStream.Codec
 4761522                };
 1523        }
 1524
 1525        private static bool IsSubtitleEmbedSupported(string? transcodingContainer)
 1526        {
 261527            if (!string.IsNullOrEmpty(transcodingContainer))
 1528            {
 241529                if (ContainerHelper.ContainsContainer(transcodingContainer, "ts,mpegts,mp4"))
 1530                {
 71531                    return false;
 1532                }
 1533
 171534                if (ContainerHelper.ContainsContainer(transcodingContainer, "mkv,matroska"))
 1535                {
 101536                    return true;
 1537                }
 1538            }
 1539
 91540            return false;
 1541        }
 1542
 1543        private static bool CanConsiderEmbedSubtitle(MediaStream subtitleStream, PlayMethod playMethod, MediaStreamProto
 1544        {
 4821545            if (subtitleStream.IsExternal)
 1546            {
 4711547                return playMethod == PlayMethod.Transcode
 4711548                    && transcodingSubProtocol != MediaStreamProtocol.hls
 4711549                    && IsSubtitleEmbedSupported(outputContainer);
 1550            }
 1551
 111552            return playMethod != PlayMethod.Transcode
 111553                || transcodingSubProtocol != MediaStreamProtocol.hls;
 1554        }
 1555
 1556        private static SubtitleProfile? GetExternalSubtitleProfile(MediaSourceInfo mediaSource, MediaStream subtitleStre
 1557        {
 51341558            foreach (var profile in subtitleProfiles)
 1559            {
 20371560                if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
 1561                {
 1562                    continue;
 1563                }
 1564
 14001565                if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)
 1566                {
 1567                    continue;
 1568                }
 1569
 14001570                if (!profile.SupportsLanguage(subtitleStream.Language))
 1571                {
 1572                    continue;
 1573                }
 1574
 14001575                if (!subtitleStream.IsExternal && playMethod == PlayMethod.Transcode && !transcoderSupport.CanExtractSub
 1576                {
 1577                    continue;
 1578                }
 1579
 13941580                if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaSt
 13941581                    (profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))
 1582                {
 13741583                    bool requiresConversion = !string.Equals(subtitleStream.Codec, profile.Format, StringComparison.Ordi
 1584
 13741585                    if (!requiresConversion)
 1586                    {
 1861587                        return profile;
 1588                    }
 1589
 11881590                    if (!allowConversion)
 1591                    {
 1592                        continue;
 1593                    }
 1594
 1595                    // TODO: Build this into subtitleStream.SupportsExternalStream
 2861596                    if (mediaSource.IsInfiniteStream)
 1597                    {
 1598                        continue;
 1599                    }
 1600
 2861601                    if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.S
 1602                    {
 2861603                        return profile;
 1604                    }
 1605                }
 1606            }
 1607
 2941608            return null;
 1609        }
 1610
 1611        private bool IsBitrateLimitExceeded(MediaSourceInfo item, long maxBitrate)
 1612        {
 1613            // Don't restrict bitrate if item is remote.
 2801614            if (item.IsRemote)
 1615            {
 01616                return false;
 1617            }
 1618
 1619            // If no maximum bitrate is set, default to no maximum bitrate.
 2801620            long requestedMaxBitrate = maxBitrate > 0 ? maxBitrate : int.MaxValue;
 1621
 1622            // If we don't know the item bitrate, then force a transcode if requested max bitrate is under 40 mbps
 2801623            int itemBitrate = item.Bitrate ?? 40000000;
 1624
 2801625            if (itemBitrate > requestedMaxBitrate)
 1626            {
 241627                _logger.LogDebug(
 241628                    "Bitrate exceeds limit: media bitrate: {MediaBitrate}, max bitrate: {MaxBitrate}",
 241629                    itemBitrate,
 241630                    requestedMaxBitrate);
 241631                return true;
 1632            }
 1633
 2561634            return false;
 1635        }
 1636
 1637        private static void ValidateMediaOptions(MediaOptions options, bool isMediaSource)
 1638        {
 2801639            if (options.ItemId.IsEmpty())
 1640            {
 01641                ArgumentException.ThrowIfNullOrEmpty(options.DeviceId);
 1642            }
 1643
 2801644            if (options.Profile is null)
 1645            {
 01646                throw new ArgumentException("Profile is required");
 1647            }
 1648
 2801649            if (options.MediaSources is null)
 1650            {
 01651                throw new ArgumentException("MediaSources is required");
 1652            }
 1653
 2801654            if (isMediaSource)
 1655            {
 2801656                if (options.AudioStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
 1657                {
 01658                    throw new ArgumentException("MediaSourceId is required when a specific audio stream is requested");
 1659                }
 1660
 2801661                if (options.SubtitleStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))
 1662                {
 01663                    throw new ArgumentException("MediaSourceId is required when a specific subtitle stream is requested"
 1664                }
 1665            }
 2801666        }
 1667
 1668        private static IEnumerable<ProfileCondition> GetProfileConditionsForVideoAudio(
 1669            IEnumerable<CodecProfile> codecProfiles,
 1670            string container,
 1671            string codec,
 1672            int? audioChannels,
 1673            int? audioBitrate,
 1674            int? audioSampleRate,
 1675            int? audioBitDepth,
 1676            string audioProfile,
 1677            bool? isSecondaryAudio)
 1678        {
 10091679            return codecProfiles
 10091680                .Where(profile => profile.Type == CodecType.VideoAudio &&
 10091681                    profile.ContainsAnyCodec(codec, container) &&
 10091682                    profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(appl
 10091683                .SelectMany(profile => profile.Conditions)
 10091684                .Where(condition => !ConditionProcessor.IsVideoAudioConditionSatisfied(condition, audioChannels, audioBi
 1685        }
 1686
 1687        private static IEnumerable<ProfileCondition> GetProfileConditionsForAudio(
 1688            IEnumerable<CodecProfile> codecProfiles,
 1689            string container,
 1690            string? codec,
 1691            int? audioChannels,
 1692            int? audioBitrate,
 1693            int? audioSampleRate,
 1694            int? audioBitDepth,
 1695            bool checkConditions)
 1696        {
 01697            var conditions = codecProfiles
 01698                .Where(profile => profile.Type == CodecType.Audio &&
 01699                    profile.ContainsAnyCodec(codec, container) &&
 01700                    profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsAudioConditionSatisfied(applyCond
 01701                .SelectMany(profile => profile.Conditions);
 1702
 01703            if (!checkConditions)
 1704            {
 01705                return conditions;
 1706            }
 1707
 01708            return conditions.Where(condition => !ConditionProcessor.IsAudioConditionSatisfied(condition, audioChannels,
 1709        }
 1710
 1711        private void ApplyTranscodingConditions(StreamInfo item, IEnumerable<ProfileCondition> conditions, string? quali
 1712        {
 34941713            foreach (ProfileCondition condition in conditions)
 1714            {
 12441715                string value = condition.Value;
 1716
 12441717                if (string.IsNullOrEmpty(value))
 1718                {
 1719                    continue;
 1720                }
 1721
 1722                // No way to express this
 12441723                if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 1724                {
 1725                    continue;
 1726                }
 1727
 12441728                switch (condition.Property)
 1729                {
 1730                    case ProfileConditionValue.AudioBitrate:
 1731                        {
 01732                            if (!enableNonQualifiedConditions)
 1733                            {
 1734                                continue;
 1735                            }
 1736
 01737                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 1738                            {
 01739                                if (condition.Condition == ProfileConditionType.Equals)
 1740                                {
 01741                                    item.AudioBitrate = num;
 1742                                }
 01743                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 1744                                {
 01745                                    item.AudioBitrate = Math.Min(num, item.AudioBitrate ?? num);
 1746                                }
 01747                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 1748                                {
 01749                                    item.AudioBitrate = Math.Max(num, item.AudioBitrate ?? num);
 1750                                }
 1751                            }
 1752
 01753                            break;
 1754                        }
 1755
 1756                    case ProfileConditionValue.AudioSampleRate:
 1757                        {
 01758                            if (!enableNonQualifiedConditions)
 1759                            {
 1760                                continue;
 1761                            }
 1762
 01763                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 1764                            {
 01765                                if (condition.Condition == ProfileConditionType.Equals)
 1766                                {
 01767                                    item.AudioSampleRate = num;
 1768                                }
 01769                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 1770                                {
 01771                                    item.AudioSampleRate = Math.Min(num, item.AudioSampleRate ?? num);
 1772                                }
 01773                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 1774                                {
 01775                                    item.AudioSampleRate = Math.Max(num, item.AudioSampleRate ?? num);
 1776                                }
 1777                            }
 1778
 01779                            break;
 1780                        }
 1781
 1782                    case ProfileConditionValue.AudioChannels:
 1783                        {
 281784                            if (string.IsNullOrEmpty(qualifier))
 1785                            {
 01786                                if (!enableNonQualifiedConditions)
 1787                                {
 01788                                    continue;
 1789                                }
 1790                            }
 1791                            else
 1792                            {
 281793                                if (!enableQualifiedConditions)
 1794                                {
 1795                                    continue;
 1796                                }
 1797                            }
 1798
 281799                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 1800                            {
 281801                                if (condition.Condition == ProfileConditionType.Equals)
 1802                                {
 01803                                    item.SetOption(qualifier, "audiochannels", num.ToString(CultureInfo.InvariantCulture
 1804                                }
 281805                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 1806                                {
 281807                                    item.SetOption(qualifier, "audiochannels", Math.Min(num, item.GetTargetAudioChannels
 1808                                }
 01809                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 1810                                {
 01811                                    item.SetOption(qualifier, "audiochannels", Math.Max(num, item.GetTargetAudioChannels
 1812                                }
 1813                            }
 1814
 01815                            break;
 1816                        }
 1817
 1818                    case ProfileConditionValue.IsAvc:
 1819                        {
 01820                            if (!enableNonQualifiedConditions)
 1821                            {
 1822                                continue;
 1823                            }
 1824
 01825                            if (bool.TryParse(value, out var isAvc))
 1826                            {
 01827                                if (isAvc && condition.Condition == ProfileConditionType.Equals)
 1828                                {
 01829                                    item.RequireAvc = true;
 1830                                }
 01831                                else if (!isAvc && condition.Condition == ProfileConditionType.NotEquals)
 1832                                {
 01833                                    item.RequireAvc = true;
 1834                                }
 1835                            }
 1836
 01837                            break;
 1838                        }
 1839
 1840                    case ProfileConditionValue.IsAnamorphic:
 1841                        {
 2011842                            if (!enableNonQualifiedConditions)
 1843                            {
 1844                                continue;
 1845                            }
 1846
 2011847                            if (bool.TryParse(value, out var isAnamorphic))
 1848                            {
 2011849                                if (isAnamorphic && condition.Condition == ProfileConditionType.Equals)
 1850                                {
 01851                                    item.RequireNonAnamorphic = true;
 1852                                }
 2011853                                else if (!isAnamorphic && condition.Condition == ProfileConditionType.NotEquals)
 1854                                {
 01855                                    item.RequireNonAnamorphic = true;
 1856                                }
 1857                            }
 1858
 01859                            break;
 1860                        }
 1861
 1862                    case ProfileConditionValue.IsInterlaced:
 1863                        {
 1091864                            if (string.IsNullOrEmpty(qualifier))
 1865                            {
 01866                                if (!enableNonQualifiedConditions)
 1867                                {
 01868                                    continue;
 1869                                }
 1870                            }
 1871                            else
 1872                            {
 1091873                                if (!enableQualifiedConditions)
 1874                                {
 1875                                    continue;
 1876                                }
 1877                            }
 1878
 1091879                            if (bool.TryParse(value, out var isInterlaced))
 1880                            {
 1091881                                if (!isInterlaced && condition.Condition == ProfileConditionType.Equals)
 1882                                {
 01883                                    item.SetOption(qualifier, "deinterlace", "true");
 1884                                }
 1091885                                else if (isInterlaced && condition.Condition == ProfileConditionType.NotEquals)
 1886                                {
 1091887                                    item.SetOption(qualifier, "deinterlace", "true");
 1888                                }
 1889                            }
 1890
 1091891                            break;
 1892                        }
 1893
 1894                    case ProfileConditionValue.AudioProfile:
 1895                    case ProfileConditionValue.Has64BitOffsets:
 1896                    case ProfileConditionValue.PacketLength:
 1897                    case ProfileConditionValue.NumStreams:
 1898                    case ProfileConditionValue.NumAudioStreams:
 1899                    case ProfileConditionValue.NumVideoStreams:
 1900                    case ProfileConditionValue.IsSecondaryAudio:
 1901                    case ProfileConditionValue.VideoTimestamp:
 1902                        {
 1903                            // Not supported yet
 1904                            break;
 1905                        }
 1906
 1907                    case ProfileConditionValue.RefFrames:
 1908                        {
 21909                            if (string.IsNullOrEmpty(qualifier))
 1910                            {
 01911                                if (!enableNonQualifiedConditions)
 1912                                {
 01913                                    continue;
 1914                                }
 1915                            }
 1916                            else
 1917                            {
 21918                                if (!enableQualifiedConditions)
 1919                                {
 1920                                    continue;
 1921                                }
 1922                            }
 1923
 21924                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 1925                            {
 21926                                if (condition.Condition == ProfileConditionType.Equals)
 1927                                {
 01928                                    item.SetOption(qualifier, "maxrefframes", num.ToString(CultureInfo.InvariantCulture)
 1929                                }
 21930                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 1931                                {
 21932                                    item.SetOption(qualifier, "maxrefframes", Math.Min(num, item.GetTargetRefFrames(qual
 1933                                }
 01934                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 1935                                {
 01936                                    item.SetOption(qualifier, "maxrefframes", Math.Max(num, item.GetTargetRefFrames(qual
 1937                                }
 1938                            }
 1939
 01940                            break;
 1941                        }
 1942
 1943                    case ProfileConditionValue.VideoBitDepth:
 1944                        {
 01945                            if (string.IsNullOrEmpty(qualifier))
 1946                            {
 01947                                if (!enableNonQualifiedConditions)
 1948                                {
 01949                                    continue;
 1950                                }
 1951                            }
 1952                            else
 1953                            {
 01954                                if (!enableQualifiedConditions)
 1955                                {
 1956                                    continue;
 1957                                }
 1958                            }
 1959
 01960                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 1961                            {
 01962                                if (condition.Condition == ProfileConditionType.Equals)
 1963                                {
 01964                                    item.SetOption(qualifier, "videobitdepth", num.ToString(CultureInfo.InvariantCulture
 1965                                }
 01966                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 1967                                {
 01968                                    item.SetOption(qualifier, "videobitdepth", Math.Min(num, item.GetTargetVideoBitDepth
 1969                                }
 01970                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 1971                                {
 01972                                    item.SetOption(qualifier, "videobitdepth", Math.Max(num, item.GetTargetVideoBitDepth
 1973                                }
 1974                            }
 1975
 01976                            break;
 1977                        }
 1978
 1979                    case ProfileConditionValue.VideoProfile:
 1980                        {
 2241981                            if (string.IsNullOrEmpty(qualifier))
 1982                            {
 1983                                continue;
 1984                            }
 1985
 1986                            // Change from split by | to comma
 1987                            // Strip spaces to avoid having to encode
 2241988                            var values = value
 2241989                                .Split('|', StringSplitOptions.RemoveEmptyEntries);
 1990
 2241991                            if (condition.Condition == ProfileConditionType.Equals)
 1992                            {
 01993                                item.SetOption(qualifier, "profile", string.Join(',', values));
 1994                            }
 2241995                            else if (condition.Condition == ProfileConditionType.EqualsAny)
 1996                            {
 2241997                                var currentValue = item.GetOption(qualifier, "profile");
 2241998                                if (!string.IsNullOrEmpty(currentValue) && values.Any(value => value == currentValue))
 1999                                {
 712000                                    item.SetOption(qualifier, "profile", currentValue);
 2001                                }
 2002                                else
 2003                                {
 1532004                                    item.SetOption(qualifier, "profile", string.Join(',', values));
 2005                                }
 2006                            }
 2007
 1532008                            break;
 2009                        }
 2010
 2011                    case ProfileConditionValue.VideoRangeType:
 2012                        {
 2582013                            if (string.IsNullOrEmpty(qualifier))
 2014                            {
 2015                                continue;
 2016                            }
 2017
 2018                            // change from split by | to comma
 2019                            // strip spaces to avoid having to encode
 2582020                            var values = value
 2582021                                .Split('|', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 2022
 2582023                            if (condition.Condition == ProfileConditionType.Equals)
 2024                            {
 02025                                item.SetOption(qualifier, "rangetype", string.Join(',', values));
 2026                            }
 2582027                            else if (condition.Condition == ProfileConditionType.NotEquals)
 2028                            {
 02029                                item.SetOption(qualifier, "rangetype", string.Join(',', Enum.GetNames<VideoRangeType>().
 2030                            }
 2582031                            else if (condition.Condition == ProfileConditionType.EqualsAny)
 2032                            {
 2582033                                var currentValue = item.GetOption(qualifier, "rangetype");
 2582034                                if (!string.IsNullOrEmpty(currentValue) && values.Any(v => string.Equals(v, currentValue
 2035                                {
 02036                                    item.SetOption(qualifier, "rangetype", currentValue);
 2037                                }
 2038                                else
 2039                                {
 2582040                                    item.SetOption(qualifier, "rangetype", string.Join(',', values));
 2041                                }
 2042                            }
 2043
 2582044                            break;
 2045                        }
 2046
 2047                    case ProfileConditionValue.VideoCodecTag:
 2048                        {
 122049                            if (string.IsNullOrEmpty(qualifier))
 2050                            {
 2051                                continue;
 2052                            }
 2053
 2054                            // change from split by | to comma
 2055                            // strip spaces to avoid having to encode
 122056                            var values = value
 122057                                .Split('|', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 2058
 122059                            if (condition.Condition == ProfileConditionType.Equals)
 2060                            {
 02061                                item.SetOption(qualifier, "codectag", string.Join(',', values));
 2062                            }
 122063                            else if (condition.Condition == ProfileConditionType.EqualsAny)
 2064                            {
 122065                                var currentValue = item.GetOption(qualifier, "codectag");
 122066                                if (!string.IsNullOrEmpty(currentValue) && values.Any(v => string.Equals(v, currentValue
 2067                                {
 02068                                    item.SetOption(qualifier, "codectag", currentValue);
 2069                                }
 2070                                else
 2071                                {
 122072                                    item.SetOption(qualifier, "codectag", string.Join(',', values));
 2073                                }
 2074                            }
 2075
 122076                            break;
 2077                        }
 2078
 2079                    case ProfileConditionValue.VideoRotation:
 2080                        {
 02081                            if (string.IsNullOrEmpty(qualifier))
 2082                            {
 2083                                continue;
 2084                            }
 2085
 2086                            // change from split by | to comma
 2087                            // strip spaces to avoid having to encode
 02088                            var values = value
 02089                                .Split('|', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 2090
 02091                            if (condition.Condition == ProfileConditionType.Equals)
 2092                            {
 02093                                item.SetOption(qualifier, "rotation", string.Join(',', values));
 2094                            }
 02095                            else if (condition.Condition == ProfileConditionType.EqualsAny)
 2096                            {
 02097                                var currentValue = item.GetOption(qualifier, "rotation");
 02098                                if (!string.IsNullOrEmpty(currentValue) && values.Any(v => string.Equals(v, currentValue
 2099                                {
 02100                                    item.SetOption(qualifier, "rotation", currentValue);
 2101                                }
 2102                                else
 2103                                {
 02104                                    item.SetOption(qualifier, "rotation", string.Join(',', values));
 2105                                }
 2106                            }
 2107
 02108                            break;
 2109                        }
 2110
 2111                    case ProfileConditionValue.Height:
 2112                        {
 02113                            if (!enableNonQualifiedConditions)
 2114                            {
 2115                                continue;
 2116                            }
 2117
 02118                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 2119                            {
 02120                                if (condition.Condition == ProfileConditionType.Equals)
 2121                                {
 02122                                    item.MaxHeight = num;
 2123                                }
 02124                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 2125                                {
 02126                                    item.MaxHeight = Math.Min(num, item.MaxHeight ?? num);
 2127                                }
 02128                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 2129                                {
 02130                                    item.MaxHeight = Math.Max(num, item.MaxHeight ?? num);
 2131                                }
 2132                            }
 2133
 02134                            break;
 2135                        }
 2136
 2137                    case ProfileConditionValue.VideoBitrate:
 2138                        {
 322139                            if (!enableNonQualifiedConditions)
 2140                            {
 2141                                continue;
 2142                            }
 2143
 322144                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 2145                            {
 322146                                if (condition.Condition == ProfileConditionType.Equals)
 2147                                {
 02148                                    item.VideoBitrate = num;
 2149                                }
 322150                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 2151                                {
 322152                                    item.VideoBitrate = Math.Min(num, item.VideoBitrate ?? num);
 2153                                }
 02154                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 2155                                {
 02156                                    item.VideoBitrate = Math.Max(num, item.VideoBitrate ?? num);
 2157                                }
 2158                            }
 2159
 02160                            break;
 2161                        }
 2162
 2163                    case ProfileConditionValue.VideoFramerate:
 2164                        {
 122165                            if (!enableNonQualifiedConditions)
 2166                            {
 2167                                continue;
 2168                            }
 2169
 122170                            if (float.TryParse(value, CultureInfo.InvariantCulture, out var num))
 2171                            {
 122172                                if (condition.Condition == ProfileConditionType.Equals)
 2173                                {
 02174                                    item.MaxFramerate = num;
 2175                                }
 122176                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 2177                                {
 122178                                    item.MaxFramerate = Math.Min(num, item.MaxFramerate ?? num);
 2179                                }
 02180                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 2181                                {
 02182                                    item.MaxFramerate = Math.Max(num, item.MaxFramerate ?? num);
 2183                                }
 2184                            }
 2185
 02186                            break;
 2187                        }
 2188
 2189                    case ProfileConditionValue.VideoLevel:
 2190                        {
 2122191                            if (string.IsNullOrEmpty(qualifier))
 2192                            {
 2193                                continue;
 2194                            }
 2195
 2122196                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 2197                            {
 2122198                                if (condition.Condition == ProfileConditionType.Equals)
 2199                                {
 02200                                    item.SetOption(qualifier, "level", num.ToString(CultureInfo.InvariantCulture));
 2201                                }
 2122202                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 2203                                {
 2122204                                    item.SetOption(qualifier, "level", Math.Min(num, item.GetTargetVideoLevel(qualifier)
 2205                                }
 02206                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 2207                                {
 02208                                    item.SetOption(qualifier, "level", Math.Max(num, item.GetTargetVideoLevel(qualifier)
 2209                                }
 2210                            }
 2211
 02212                            break;
 2213                        }
 2214
 2215                    case ProfileConditionValue.Width:
 2216                        {
 42217                            if (!enableNonQualifiedConditions)
 2218                            {
 2219                                continue;
 2220                            }
 2221
 42222                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))
 2223                            {
 42224                                if (condition.Condition == ProfileConditionType.Equals)
 2225                                {
 02226                                    item.MaxWidth = num;
 2227                                }
 42228                                else if (condition.Condition == ProfileConditionType.LessThanEqual)
 2229                                {
 42230                                    item.MaxWidth = Math.Min(num, item.MaxWidth ?? num);
 2231                                }
 02232                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)
 2233                                {
 02234                                    item.MaxWidth = Math.Max(num, item.MaxWidth ?? num);
 2235                                }
 2236                            }
 2237
 2238                            break;
 2239                        }
 2240
 2241                    default:
 2242                        break;
 2243                }
 2244            }
 5032245        }
 2246
 2247        private static bool IsAudioContainerSupported(DirectPlayProfile profile, MediaSourceInfo item)
 2248        {
 2249            // Check container type
 02250            if (!profile.SupportsContainer(item.Container))
 2251            {
 02252                return false;
 2253            }
 2254
 2255            // Never direct play audio in matroska when the device only declare support for webm.
 2256            // The first check is not enough because mkv is assumed can be webm.
 2257            // See https://github.com/jellyfin/jellyfin/issues/13344
 02258            return !ContainerHelper.ContainsContainer("mkv", item.Container)
 02259                   || profile.SupportsContainer("mkv");
 2260        }
 2261
 2262        private static bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audi
 2263        {
 02264            if (!IsAudioContainerSupported(profile, item))
 2265            {
 02266                return false;
 2267            }
 2268
 2269            // Check audio codec
 02270            string? audioCodec = audioStream?.Codec;
 02271            if (!profile.SupportsAudioCodec(audioCodec))
 2272            {
 02273                return false;
 2274            }
 2275
 02276            return true;
 2277        }
 2278
 2279        private static bool IsAudioDirectStreamSupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream au
 2280        {
 2281            // Check container type, this should NOT be supported
 2282            // If the container is supported, the file should be directly played
 02283            if (IsAudioContainerSupported(profile, item))
 2284            {
 02285                return false;
 2286            }
 2287
 2288            // Check audio codec, we cannot use the SupportsAudioCodec here
 2289            // Because that one assumes empty container supports all codec, which is just useless
 02290            string? audioCodec = audioStream?.Codec;
 02291            return string.Equals(profile.AudioCodec, audioCodec, StringComparison.OrdinalIgnoreCase)
 02292                   || string.Equals(profile.Container, audioCodec, StringComparison.OrdinalIgnoreCase);
 2293        }
 2294
 2295        private int GetRank(ref TranscodeReason a, TranscodeReason[] rankings)
 2296        {
 12112297            var index = 1;
 87572298            foreach (var flag in rankings)
 2299            {
 36732300                var reason = a & flag;
 36732301                if (reason != 0)
 2302                {
 10112303                    return index;
 2304                }
 2305
 26622306                index++;
 2307            }
 2308
 2002309            return index;
 2310        }
 2311
 2312        /// <summary>
 2313        /// Check the profile conditions.
 2314        /// </summary>
 2315        /// <param name="conditions">Profile conditions.</param>
 2316        /// <param name="mediaSource">Media source.</param>
 2317        /// <param name="videoStream">Video stream.</param>
 2318        /// <returns>Failed profile conditions.</returns>
 2319        private IEnumerable<ProfileCondition> CheckVideoConditions(ProfileCondition[] conditions, MediaSourceInfo mediaS
 2320        {
 7312321            int? width = videoStream?.Width;
 7312322            int? height = videoStream?.Height;
 7312323            int? bitDepth = videoStream?.BitDepth;
 7312324            int? videoBitrate = videoStream?.BitRate;
 7312325            double? videoLevel = videoStream?.Level;
 7312326            string? videoProfile = videoStream?.Profile;
 7312327            VideoRangeType? videoRangeType = videoStream?.VideoRangeType;
 7312328            float videoFramerate = videoStream is null ? 0 : videoStream.ReferenceFrameRate ?? 0;
 7312329            bool? isAnamorphic = videoStream?.IsAnamorphic;
 7312330            bool? isInterlaced = videoStream?.IsInterlaced;
 7312331            string? videoCodecTag = videoStream?.CodecTag;
 7312332            bool? isAvc = videoStream?.IsAVC;
 7312333            int? videoRotation = videoStream?.Rotation;
 2334
 7312335            TransportStreamTimestamp? timestamp = videoStream is null ? TransportStreamTimestamp.None : mediaSource.Time
 7312336            int? packetLength = videoStream?.PacketLength;
 7312337            int? refFrames = videoStream?.RefFrames;
 2338
 7312339            int numStreams = mediaSource.MediaStreams.Count;
 7312340            int? numAudioStreams = mediaSource.GetStreamCount(MediaStreamType.Audio);
 7312341            int? numVideoStreams = mediaSource.GetStreamCount(MediaStreamType.Video);
 2342
 7312343            return conditions.Where(applyCondition => !ConditionProcessor.IsVideoConditionSatisfied(applyCondition, widt
 2344        }
 2345
 2346        /// <summary>
 2347        /// Check the compatibility of the container.
 2348        /// </summary>
 2349        /// <param name="options">Media options.</param>
 2350        /// <param name="mediaSource">Media source.</param>
 2351        /// <param name="container">Container.</param>
 2352        /// <param name="videoStream">Video stream.</param>
 2353        /// <returns>Transcode reasons if the container is not fully compatible.</returns>
 2354        private TranscodeReason GetCompatibilityContainer(MediaOptions options, MediaSourceInfo mediaSource, string cont
 2355        {
 2562356            var profile = options.Profile;
 2357
 2562358            var failures = AggregateFailureConditions(
 2562359                mediaSource,
 2562360                profile,
 2562361                "VideoCodecProfile",
 2562362                profile.ContainerProfiles
 2562363                    .Where(containerProfile => containerProfile.Type == DlnaProfileType.Video && containerProfile.Contai
 2562364                    .SelectMany(containerProfile => CheckVideoConditions(containerProfile.Conditions, mediaSource, video
 2365
 2562366            return failures;
 2367        }
 2368
 2369        /// <summary>
 2370        /// Check the compatibility of the video codec.
 2371        /// </summary>
 2372        /// <param name="options">Media options.</param>
 2373        /// <param name="mediaSource">Media source.</param>
 2374        /// <param name="container">Container.</param>
 2375        /// <param name="videoStream">Video stream.</param>
 2376        /// <returns>Transcode reasons if the video stream is not fully compatible.</returns>
 2377        private TranscodeReason GetCompatibilityVideoCodec(MediaOptions options, MediaSourceInfo mediaSource, string con
 2378        {
 4042379            var profile = options.Profile;
 2380
 4042381            string videoCodec = videoStream.Codec;
 2382
 4042383            var failures = AggregateFailureConditions(
 4042384                mediaSource,
 4042385                profile,
 4042386                "VideoCodecProfile",
 4042387                profile.CodecProfiles
 4042388                    .Where(codecProfile => codecProfile.Type == CodecType.Video &&
 4042389                        codecProfile.ContainsAnyCodec(videoCodec, container) &&
 4042390                        !CheckVideoConditions(codecProfile.ApplyConditions, mediaSource, videoStream).Any())
 4042391                    .SelectMany(codecProfile => CheckVideoConditions(codecProfile.Conditions, mediaSource, videoStream))
 2392
 4042393            return failures;
 2394        }
 2395
 2396        /// <summary>
 2397        /// Check the compatibility of the audio codec.
 2398        /// </summary>
 2399        /// <param name="options">Media options.</param>
 2400        /// <param name="mediaSource">Media source.</param>
 2401        /// <param name="container">Container.</param>
 2402        /// <param name="audioStream">Audio stream.</param>
 2403        /// <param name="transcodingAudioCodec">Override audio codec.</param>
 2404        /// <param name="isVideo">The media source is video.</param>
 2405        /// <param name="isSecondaryAudio">The audio stream is secondary.</param>
 2406        /// <returns>Transcode reasons if the audio stream is not fully compatible.</returns>
 2407        private TranscodeReason GetCompatibilityAudioCodec(MediaOptions options, MediaSourceInfo mediaSource, string con
 2408        {
 10092409            var profile = options.Profile;
 2410
 10092411            var audioCodec = transcodingAudioCodec ?? audioStream.Codec;
 10092412            var audioProfile = audioStream.Profile;
 10092413            var audioChannels = audioStream.Channels;
 10092414            var audioBitrate = audioStream.BitRate;
 10092415            var audioSampleRate = audioStream.SampleRate;
 10092416            var audioBitDepth = audioStream.BitDepth;
 2417
 10092418            var audioFailureConditions = isVideo
 10092419                ? GetProfileConditionsForVideoAudio(profile.CodecProfiles, container, audioCodec, audioChannels, audioBi
 10092420                : GetProfileConditionsForAudio(profile.CodecProfiles, container, audioCodec, audioChannels, audioBitrate
 2421
 10092422            var failures = AggregateFailureConditions(mediaSource, profile, "AudioCodecProfile", audioFailureConditions)
 2423
 10092424            return failures;
 2425        }
 2426
 2427        /// <summary>
 2428        /// Check the compatibility of the audio codec for direct playback.
 2429        /// </summary>
 2430        /// <param name="options">Media options.</param>
 2431        /// <param name="mediaSource">Media source.</param>
 2432        /// <param name="container">Container.</param>
 2433        /// <param name="audioStream">Audio stream.</param>
 2434        /// <param name="isVideo">The media source is video.</param>
 2435        /// <param name="isSecondaryAudio">The audio stream is secondary.</param>
 2436        /// <returns>Transcode reasons if the audio stream is not fully compatible for direct playback.</returns>
 2437        private TranscodeReason GetCompatibilityAudioCodecDirect(MediaOptions options, MediaSourceInfo mediaSource, stri
 2438        {
 2752439            var failures = GetCompatibilityAudioCodec(options, mediaSource, container, audioStream, null, isVideo, isSec
 2440
 2752441            if (audioStream.IsExternal)
 2442            {
 62443                failures |= TranscodeReason.AudioIsExternal;
 2444            }
 2445
 2752446            return failures;
 2447        }
 2448    }
 2449}

Methods/Properties

.cctor()
.ctor(MediaBrowser.Model.Dlna.ITranscoderSupport,Microsoft.Extensions.Logging.ILogger)
GetOptimalAudioStream(MediaBrowser.Model.Dlna.MediaOptions)
GetOptimalAudioStream(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Dlna.MediaOptions)
GetOptimalVideoStream(MediaBrowser.Model.Dlna.MediaOptions)
GetOptimalStream(System.Collections.Generic.List`1<MediaBrowser.Model.Dlna.StreamInfo>,System.Int64)
SortMediaSources(System.Collections.Generic.List`1<MediaBrowser.Model.Dlna.StreamInfo>,System.Int64)
GetTranscodeReasonForFailedCondition(MediaBrowser.Model.Dlna.ProfileCondition)
NormalizeMediaSourceFormatIntoSingleContainer(System.String,MediaBrowser.Model.Dlna.DeviceProfile,MediaBrowser.Model.Dlna.DlnaProfileType,MediaBrowser.Model.Dlna.DirectPlayProfile)
GetAudioDirectPlayProfile(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Dlna.MediaOptions)
GetTranscodeReasonsFromDirectPlayProfile(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Entities.MediaStream,System.Collections.Generic.IEnumerable`1<MediaBrowser.Model.Dlna.DirectPlayProfile>)
GetDefaultSubtitleStreamIndex(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Dlna.SubtitleProfile[])
SetStreamInfoOptionsFromTranscodingProfile(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Dlna.StreamInfo,MediaBrowser.Model.Dlna.TranscodingProfile)
SetStreamInfoOptionsFromDirectPlayProfile(MediaBrowser.Model.Dlna.MediaOptions,MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Dlna.StreamInfo,MediaBrowser.Model.Dlna.DirectPlayProfile)
BuildVideoItem(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Dlna.MediaOptions)
GetVideoTranscodeProfile(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Dlna.MediaOptions,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Dlna.StreamInfo)
BuildStreamVideoItem(MediaBrowser.Model.Dlna.StreamInfo,MediaBrowser.Model.Dlna.MediaOptions,MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Entities.MediaStream,System.Collections.Generic.IEnumerable`1<MediaBrowser.Model.Entities.MediaStream>,System.String,System.String,System.String)
GetDefaultAudioBitrate(System.String,System.Nullable`1<System.Int32>)
GetAudioBitrate(System.Int64,System.Collections.Generic.IReadOnlyList`1<System.String>,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Dlna.StreamInfo)
GetMaxAudioBitrateForTotalBitrate(System.Int64)
GetVideoDirectPlayProfile(MediaBrowser.Model.Dlna.MediaOptions,MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Entities.MediaStream,System.Collections.Generic.ICollection`1<MediaBrowser.Model.Entities.MediaStream>,MediaBrowser.Model.Entities.MediaStream,System.Boolean,System.Boolean)
AggregateFailureConditions(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Dlna.DeviceProfile,System.String,System.Collections.Generic.IEnumerable`1<MediaBrowser.Model.Dlna.ProfileCondition>)
LogConditionFailure(MediaBrowser.Model.Dlna.DeviceProfile,System.String,MediaBrowser.Model.Dlna.ProfileCondition,MediaBrowser.Model.Dto.MediaSourceInfo)
GetSubtitleProfile(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Dlna.SubtitleProfile[],MediaBrowser.Model.Session.PlayMethod,MediaBrowser.Model.Dlna.ITranscoderSupport,System.String,System.Nullable`1<Jellyfin.Data.Enums.MediaStreamProtocol>)
IsSubtitleEmbedSupported(System.String)
CanConsiderEmbedSubtitle(MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Session.PlayMethod,System.Nullable`1<Jellyfin.Data.Enums.MediaStreamProtocol>,System.String)
GetExternalSubtitleProfile(MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream,MediaBrowser.Model.Dlna.SubtitleProfile[],MediaBrowser.Model.Session.PlayMethod,MediaBrowser.Model.Dlna.ITranscoderSupport,System.Boolean)
IsBitrateLimitExceeded(MediaBrowser.Model.Dto.MediaSourceInfo,System.Int64)
ValidateMediaOptions(MediaBrowser.Model.Dlna.MediaOptions,System.Boolean)
GetProfileConditionsForVideoAudio(System.Collections.Generic.IEnumerable`1<MediaBrowser.Model.Dlna.CodecProfile>,System.String,System.String,System.Nullable`1<System.Int32>,System.Nullable`1<System.Int32>,System.Nullable`1<System.Int32>,System.Nullable`1<System.Int32>,System.String,System.Nullable`1<System.Boolean>)
GetProfileConditionsForAudio(System.Collections.Generic.IEnumerable`1<MediaBrowser.Model.Dlna.CodecProfile>,System.String,System.String,System.Nullable`1<System.Int32>,System.Nullable`1<System.Int32>,System.Nullable`1<System.Int32>,System.Nullable`1<System.Int32>,System.Boolean)
ApplyTranscodingConditions(MediaBrowser.Model.Dlna.StreamInfo,System.Collections.Generic.IEnumerable`1<MediaBrowser.Model.Dlna.ProfileCondition>,System.String,System.Boolean,System.Boolean)
IsAudioContainerSupported(MediaBrowser.Model.Dlna.DirectPlayProfile,MediaBrowser.Model.Dto.MediaSourceInfo)
IsAudioDirectPlaySupported(MediaBrowser.Model.Dlna.DirectPlayProfile,MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream)
IsAudioDirectStreamSupported(MediaBrowser.Model.Dlna.DirectPlayProfile,MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream)
GetRank(MediaBrowser.Model.Session.TranscodeReason&,MediaBrowser.Model.Session.TranscodeReason[])
CheckVideoConditions(MediaBrowser.Model.Dlna.ProfileCondition[],MediaBrowser.Model.Dto.MediaSourceInfo,MediaBrowser.Model.Entities.MediaStream)
GetCompatibilityContainer(MediaBrowser.Model.Dlna.MediaOptions,MediaBrowser.Model.Dto.MediaSourceInfo,System.String,MediaBrowser.Model.Entities.MediaStream)
GetCompatibilityVideoCodec(MediaBrowser.Model.Dlna.MediaOptions,MediaBrowser.Model.Dto.MediaSourceInfo,System.String,MediaBrowser.Model.Entities.MediaStream)
GetCompatibilityAudioCodec(MediaBrowser.Model.Dlna.MediaOptions,MediaBrowser.Model.Dto.MediaSourceInfo,System.String,MediaBrowser.Model.Entities.MediaStream,System.String,System.Boolean,System.Boolean)
GetCompatibilityAudioCodecDirect(MediaBrowser.Model.Dlna.MediaOptions,MediaBrowser.Model.Dto.MediaSourceInfo,System.String,MediaBrowser.Model.Entities.MediaStream,System.Boolean,System.Boolean)