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| using System;using System.Collections.Generic;using System.Globalization;using System.Linq;using Jellyfin.Data.Enums;using MediaBrowser.Model.Dto;using MediaBrowser.Model.Entities;using MediaBrowser.Model.MediaInfo;using MediaBrowser.Model.Session;using Microsoft.Extensions.Logging;namespace MediaBrowser.Model.Dlna{    /// <summary>    /// Class StreamBuilder.    /// </summary>    public class StreamBuilder    {        // Aliases        internal const TranscodeReason ContainerReasons = TranscodeReason.ContainerNotSupported | TranscodeReason.ContainerBitrateExceedsLimit;        internal const TranscodeReason AudioReasons = TranscodeReason.AudioCodecNotSupported | TranscodeReason.AudioBitrateNotSupported | TranscodeReason.AudioChannelsNotSupported | TranscodeReason.AudioProfileNotSupported | TranscodeReason.AudioSampleRateNotSupported | TranscodeReason.SecondaryAudioNotSupported | TranscodeReason.AudioBitDepthNotSupported | TranscodeReason.AudioIsExternal;        internal const TranscodeReason VideoReasons = TranscodeReason.VideoCodecNotSupported | TranscodeReason.VideoResolutionNotSupported | TranscodeReason.AnamorphicVideoNotSupported | TranscodeReason.InterlacedVideoNotSupported | TranscodeReason.VideoBitDepthNotSupported | TranscodeReason.VideoBitrateNotSupported | TranscodeReason.VideoFramerateNotSupported | TranscodeReason.VideoLevelNotSupported | TranscodeReason.RefFramesNotSupported;        internal const TranscodeReason DirectStreamReasons = AudioReasons | TranscodeReason.ContainerNotSupported;        private readonly ILogger _logger;        private readonly ITranscoderSupport _transcoderSupport;        private static readonly string[] _supportedHlsVideoCodecs = new string[] { "h264", "hevc", "av1" };        private static readonly string[] _supportedHlsAudioCodecsTs = new string[] { "aac", "ac3", "eac3", "mp3" };        private static readonly string[] _supportedHlsAudioCodecsMp4 = new string[] { "aac", "ac3", "eac3", "mp3", "alac", "flac", "opus", "dca", "truehd" };        /// <summary>        /// Initializes a new instance of the <see cref="StreamBuilder"/> class.        /// </summary>        /// <param name="transcoderSupport">The <see cref="ITranscoderSupport"/> object.</param>        /// <param name="logger">The <see cref="ILogger"/> object.</param>        public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)        {            _transcoderSupport = transcoderSupport;            _logger = logger;        }        /// <summary>        /// Gets the optimal audio stream.        /// </summary>        /// <param name="options">The <see cref="MediaOptions"/> object to get the audio stream from.</param>        /// <returns>The <see cref="StreamInfo"/> of the optimal audio stream.</returns>        public StreamInfo? GetOptimalAudioStream(MediaOptions options)        {            ValidateMediaOptions(options, false);            var streams = new List<StreamInfo>();            foreach (var mediaSource in options.MediaSources)            {                if (!(string.IsNullOrEmpty(options.MediaSourceId)                    || string.Equals(mediaSource.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase)))                {                    continue;                }                StreamInfo? streamInfo = GetOptimalAudioStream(mediaSource, options);                if (streamInfo is not null)                {                    streamInfo.DeviceId = options.DeviceId;                    streamInfo.DeviceProfileId = options.Profile.Id;                    streams.Add(streamInfo);                }            }            return GetOptimalStream(streams, options.GetMaxBitrate(true) ?? 0);        }        private StreamInfo? GetOptimalAudioStream(MediaSourceInfo item, MediaOptions options)        {            var playlistItem = new StreamInfo            {                ItemId = options.ItemId,                MediaType = DlnaProfileType.Audio,                MediaSource = item,                RunTimeTicks = item.RunTimeTicks,                Context = options.Context,                DeviceProfile = options.Profile            };            if (options.ForceDirectPlay)            {                playlistItem.PlayMethod = PlayMethod.DirectPlay;                playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);                return playlistItem;            }            if (options.ForceDirectStream)            {                playlistItem.PlayMethod = PlayMethod.DirectStream;                playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);                return playlistItem;            }            MediaStream audioStream = item.GetDefaultAudioStream(null);            var directPlayInfo = GetAudioDirectPlayProfile(item, audioStream, options);            var directPlayMethod = directPlayInfo.PlayMethod;            var transcodeReasons = directPlayInfo.TranscodeReasons;            var inputAudioChannels = audioStream?.Channels;            var inputAudioBitrate = audioStream?.BitRate;            var inputAudioSampleRate = audioStream?.SampleRate;            var inputAudioBitDepth = audioStream?.BitDepth;            if (directPlayMethod.HasValue)            {                var profile = options.Profile;                var audioFailureConditions = GetProfileConditionsForAudio(profile.CodecProfiles, item.Container, audioStream?.Codec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, true);                var audioFailureReasons = AggregateFailureConditions(item, profile, "AudioCodecProfile", audioFailureConditions);                transcodeReasons |= audioFailureReasons;                if (audioFailureReasons == 0)                {                    playlistItem.PlayMethod = directPlayMethod.Value;                    playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio, directPlayInfo.Profile);                    return playlistItem;                }            }            TranscodingProfile? transcodingProfile = null;            foreach (var tcProfile in options.Profile.TranscodingProfiles)            {                if (tcProfile.Type == playlistItem.MediaType                    && tcProfile.Context == options.Context                    && _transcoderSupport.CanEncodeToAudioCodec(tcProfile.AudioCodec ?? tcProfile.Container))                {                    transcodingProfile = tcProfile;                    break;                }            }            if (transcodingProfile is not null)            {                if (!item.SupportsTranscoding)                {                    return null;                }                SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);                var audioTranscodingConditions = GetProfileConditionsForAudio(options.Profile.CodecProfiles, transcodingProfile.Container, transcodingProfile.AudioCodec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, false).ToArray();                ApplyTranscodingConditions(playlistItem, audioTranscodingConditions, null, true, true);                // Honor requested max channels                playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;                var configuredBitrate = options.GetMaxBitrate(true);                long transcodingBitrate = options.AudioTranscodingBitrate                    ?? (options.Context == EncodingContext.Streaming ? options.Profile.MusicStreamingTranscodingBitrate : null)                    ?? configuredBitrate                    ?? 128000;                if (configuredBitrate.HasValue)                {                    transcodingBitrate = Math.Min(configuredBitrate.Value, transcodingBitrate);                }                var longBitrate = Math.Min(transcodingBitrate, playlistItem.AudioBitrate ?? transcodingBitrate);                playlistItem.AudioBitrate = longBitrate > int.MaxValue ? int.MaxValue : Convert.ToInt32(longBitrate);            }            playlistItem.TranscodeReasons = transcodeReasons;            return playlistItem;        }        /// <summary>        /// Gets the optimal video stream.        /// </summary>        /// <param name="options">The <see cref="MediaOptions"/> object to get the video stream from.</param>        /// <returns>The <see cref="StreamInfo"/> of the optimal video stream.</returns>        public StreamInfo? GetOptimalVideoStream(MediaOptions options)        {            ValidateMediaOptions(options, true);            var mediaSources = string.IsNullOrEmpty(options.MediaSourceId)                ? options.MediaSources                : options.MediaSources.Where(x => string.Equals(x.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase));            var streams = new List<StreamInfo>();            foreach (var mediaSourceInfo in mediaSources)            {                var streamInfo = BuildVideoItem(mediaSourceInfo, options);                if (streamInfo is not null)                {                    streams.Add(streamInfo);                }            }            foreach (var stream in streams)            {                stream.DeviceId = options.DeviceId;                stream.DeviceProfileId = options.Profile.Id;            }            return GetOptimalStream(streams, options.GetMaxBitrate(false) ?? 0);        }        private static StreamInfo? GetOptimalStream(List<StreamInfo> streams, long maxBitrate)            => SortMediaSources(streams, maxBitrate).FirstOrDefault();        private static IOrderedEnumerable<StreamInfo> SortMediaSources(List<StreamInfo> streams, long maxBitrate)        {            return streams.OrderBy(i =>            {                // Nothing beats direct playing a file                if (i.PlayMethod == PlayMethod.DirectPlay && i.MediaSource?.Protocol == MediaProtocol.File)                {                    return 0;                }                return 1;            }).ThenBy(i =>            {                switch (i.PlayMethod)                {                    // Let's assume direct streaming a file is just as desirable as direct playing a remote url                    case PlayMethod.DirectStream:                    case PlayMethod.DirectPlay:                        return 0;                    default:                        return 1;                }            }).ThenBy(i =>            {                switch (i.MediaSource?.Protocol)                {                    case MediaProtocol.File:                        return 0;                    default:                        return 1;                }            }).ThenBy(i =>            {                if (maxBitrate > 0)                {                    if (i.MediaSource?.Bitrate is not null)                    {                        return Math.Abs(i.MediaSource.Bitrate.Value - maxBitrate);                    }                }                return 0;            }).ThenBy(streams.IndexOf);        }        private static TranscodeReason GetTranscodeReasonForFailedCondition(ProfileCondition condition)        {            switch (condition.Property)            {                case ProfileConditionValue.AudioBitrate:                    return TranscodeReason.AudioBitrateNotSupported;                case ProfileConditionValue.AudioChannels:                    return TranscodeReason.AudioChannelsNotSupported;                case ProfileConditionValue.AudioProfile:                    return TranscodeReason.AudioProfileNotSupported;                case ProfileConditionValue.AudioSampleRate:                    return TranscodeReason.AudioSampleRateNotSupported;                case ProfileConditionValue.Has64BitOffsets:                    // TODO                    return 0;                case ProfileConditionValue.Height:                    return TranscodeReason.VideoResolutionNotSupported;                case ProfileConditionValue.IsAnamorphic:                    return TranscodeReason.AnamorphicVideoNotSupported;                case ProfileConditionValue.IsAvc:                    // TODO                    return 0;                case ProfileConditionValue.IsInterlaced:                    return TranscodeReason.InterlacedVideoNotSupported;                case ProfileConditionValue.IsSecondaryAudio:                    return TranscodeReason.SecondaryAudioNotSupported;                case ProfileConditionValue.NumAudioStreams:                    // TODO                    return 0;                case ProfileConditionValue.NumVideoStreams:                    // TODO                    return 0;                case ProfileConditionValue.PacketLength:                    // TODO                    return 0;                case ProfileConditionValue.RefFrames:                    return TranscodeReason.RefFramesNotSupported;                case ProfileConditionValue.VideoBitDepth:                    return TranscodeReason.VideoBitDepthNotSupported;                case ProfileConditionValue.AudioBitDepth:                    return TranscodeReason.AudioBitDepthNotSupported;                case ProfileConditionValue.VideoBitrate:                    return TranscodeReason.VideoBitrateNotSupported;                case ProfileConditionValue.VideoCodecTag:                    return TranscodeReason.VideoCodecNotSupported;                case ProfileConditionValue.VideoFramerate:                    return TranscodeReason.VideoFramerateNotSupported;                case ProfileConditionValue.VideoLevel:                    return TranscodeReason.VideoLevelNotSupported;                case ProfileConditionValue.VideoProfile:                    return TranscodeReason.VideoProfileNotSupported;                case ProfileConditionValue.VideoRangeType:                    return TranscodeReason.VideoRangeTypeNotSupported;                case ProfileConditionValue.VideoTimestamp:                    // TODO                    return 0;                case ProfileConditionValue.Width:                    return TranscodeReason.VideoResolutionNotSupported;                default:                    return 0;            }        }        /// <summary>        /// Normalizes input container.        /// </summary>        /// <param name="inputContainer">The input container.</param>        /// <param name="profile">The <see cref="DeviceProfile"/>.</param>        /// <param name="type">The <see cref="DlnaProfileType"/>.</param>        /// <param name="playProfile">The <see cref="DirectPlayProfile"/> object to get the video stream from.</param>        /// <returns>The the normalized input container.</returns>        public static string? NormalizeMediaSourceFormatIntoSingleContainer(string inputContainer, DeviceProfile? profile, DlnaProfileType type, DirectPlayProfile? playProfile = null)        {            if (string.IsNullOrEmpty(inputContainer))            {                return null;            }            var formats = ContainerProfile.SplitValue(inputContainer);            if (profile is not null)            {                var playProfiles = playProfile is null ? profile.DirectPlayProfiles : new[] { playProfile };                foreach (var format in formats)                {                    foreach (var directPlayProfile in playProfiles)                    {                        if (directPlayProfile.Type == type                            && directPlayProfile.SupportsContainer(format))                        {                            return format;                        }                    }                }            }            return formats[0];        }        private (DirectPlayProfile? Profile, PlayMethod? PlayMethod, TranscodeReason TranscodeReasons) GetAudioDirectPlayProfile(MediaSourceInfo item, MediaStream audioStream, MediaOptions options)        {            var directPlayProfile = options.Profile.DirectPlayProfiles                .FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(x, item, audioStream));            if (directPlayProfile is null)            {                _logger.LogDebug(                    "Profile: {0}, No audio direct play profiles found for {1} with codec {2}",                    options.Profile.Name ?? "Unknown Profile",                    item.Path ?? "Unknown path",                    audioStream.Codec ?? "Unknown codec");                return (null, null, GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));            }            TranscodeReason transcodeReasons = 0;            // The profile describes what the device supports            // If device requirements are satisfied then allow both direct stream and direct play            if (item.SupportsDirectPlay)            {                if (!IsBitrateLimitExceeded(item, options.GetMaxBitrate(true) ?? 0))                {                    if (options.EnableDirectPlay)                    {                        return (directPlayProfile, PlayMethod.DirectPlay, 0);                    }                }                else                {                    transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;                }            }            // While options takes the network and other factors into account. Only applies to direct stream            if (item.SupportsDirectStream)            {                if (!IsBitrateLimitExceeded(item, options.GetMaxBitrate(true) ?? 0))                {                    if (options.EnableDirectStream)                    {                        return (directPlayProfile, PlayMethod.DirectStream, transcodeReasons);                    }                }                else                {                    transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;                }            }            return (directPlayProfile, null, transcodeReasons);        }        private static TranscodeReason GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream? videoStream, MediaStream audioStream, IEnumerable<DirectPlayProfile> directPlayProfiles)        {            var mediaType = videoStream is null ? DlnaProfileType.Audio : DlnaProfileType.Video;            var containerSupported = false;            var audioSupported = false;            var videoSupported = false;            foreach (var profile in directPlayProfiles)            {                // Check container type                if (profile.Type == mediaType && profile.SupportsContainer(item.Container))                {                    containerSupported = true;                    videoSupported = videoStream is null || profile.SupportsVideoCodec(videoStream.Codec);                    audioSupported = audioStream is null || profile.SupportsAudioCodec(audioStream.Codec);                    if (videoSupported && audioSupported)                    {                        break;                    }                }            }            TranscodeReason reasons = 0;            if (!containerSupported)            {                reasons |= TranscodeReason.ContainerNotSupported;            }            if (!videoSupported)            {                reasons |= TranscodeReason.VideoCodecNotSupported;            }            if (!audioSupported)            {                reasons |= TranscodeReason.AudioCodecNotSupported;            }            return reasons;        }        private static int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)        {            int highestScore = -1;            foreach (var stream in item.MediaStreams)            {                if (stream.Type == MediaStreamType.Subtitle                    && stream.Score.HasValue                    && stream.Score.Value > highestScore)                {                    highestScore = stream.Score.Value;                }            }            var topStreams = new List<MediaStream>();            foreach (var stream in item.MediaStreams)            {                if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue && stream.Score.Value == highestScore)                {                    topStreams.Add(stream);                }            }            // If multiple streams have an equal score, try to pick the most efficient one            if (topStreams.Count > 1)            {                foreach (var stream in topStreams)                {                    foreach (var profile in subtitleProfiles)                    {                        if (profile.Method == SubtitleDeliveryMethod.External && string.Equals(profile.Format, stream.Codec, StringComparison.OrdinalIgnoreCase))                        {                            return stream.Index;                        }                    }                }            }            // If no optimization panned out, just use the original default            return item.DefaultSubtitleStreamIndex;        }        private static void SetStreamInfoOptionsFromTranscodingProfile(MediaSourceInfo item, StreamInfo playlistItem, TranscodingProfile transcodingProfile)        {            var container = transcodingProfile.Container;            var protocol = transcodingProfile.Protocol;            item.TranscodingContainer = container;            item.TranscodingSubProtocol = protocol;            if (playlistItem.PlayMethod == PlayMethod.Transcode)            {                playlistItem.Container = container;                playlistItem.SubProtocol = protocol;            }            playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;            if (int.TryParse(transcodingProfile.MaxAudioChannels, CultureInfo.InvariantCulture, out int transcodingMaxAudioChannels))            {                playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;            }            playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;            playlistItem.CopyTimestamps = transcodingProfile.CopyTimestamps;            playlistItem.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;            playlistItem.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;            playlistItem.BreakOnNonKeyFrames = transcodingProfile.BreakOnNonKeyFrames;            if (transcodingProfile.MinSegments > 0)            {                playlistItem.MinSegments = transcodingProfile.MinSegments;            }            if (transcodingProfile.SegmentLength > 0)            {                playlistItem.SegmentLength = transcodingProfile.SegmentLength;            }        }        private static void SetStreamInfoOptionsFromDirectPlayProfile(MediaOptions options, MediaSourceInfo item, StreamInfo playlistItem, DirectPlayProfile? directPlayProfile)        {            var container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);            var protocol = "http";            item.TranscodingContainer = container;            item.TranscodingSubProtocol = protocol;            playlistItem.Container = container;            playlistItem.SubProtocol = protocol;            playlistItem.VideoCodecs = new[] { item.VideoStream.Codec };            playlistItem.AudioCodecs = ContainerProfile.SplitValue(directPlayProfile?.AudioCodec);        }        private StreamInfo BuildVideoItem(MediaSourceInfo item, MediaOptions options)        {            ArgumentNullException.ThrowIfNull(item);            StreamInfo playlistItem = new StreamInfo            {                ItemId = options.ItemId,                MediaType = DlnaProfileType.Video,                MediaSource = item,                RunTimeTicks = item.RunTimeTicks,                Context = options.Context,                DeviceProfile = options.Profile,                SubtitleStreamIndex = options.SubtitleStreamIndex ?? GetDefaultSubtitleStreamIndex(item, options.Profile.SubtitleProfiles)            };            var subtitleStream = playlistItem.SubtitleStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Subtitle, playlistItem.SubtitleStreamIndex.Value) : null;            var audioStream = item.GetDefaultAudioStream(options.AudioStreamIndex ?? item.DefaultAudioStreamIndex);            if (audioStream is not null)            {                playlistItem.AudioStreamIndex = audioStream.Index;            }            // Collect candidate audio streams            ICollection<MediaStream> candidateAudioStreams = audioStream is null ? Array.Empty<MediaStream>() : new[] { audioStream };            if (!options.AudioStreamIndex.HasValue || options.AudioStreamIndex < 0)            {                if (audioStream?.IsDefault == true)                {                    candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.IsDefault).ToArray();                }                else                {                    candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.Language == audioStream?.Language).ToArray();                }            }            var videoStream = item.VideoStream;            var bitrateLimitExceeded = IsBitrateLimitExceeded(item, options.GetMaxBitrate(false) ?? 0);            var isEligibleForDirectPlay = options.EnableDirectPlay && (options.ForceDirectPlay || !bitrateLimitExceeded);            var isEligibleForDirectStream = options.EnableDirectStream && (options.ForceDirectStream || !bitrateLimitExceeded);            TranscodeReason transcodeReasons = 0;            // Force transcode or remux for BD/DVD folders            if (item.VideoType == VideoType.Dvd || item.VideoType == VideoType.BluRay)            {                isEligibleForDirectPlay = false;            }            if (bitrateLimitExceeded)            {                transcodeReasons = TranscodeReason.ContainerBitrateExceedsLimit;            }            _logger.LogDebug(                "Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",                options.Profile.Name ?? "Unknown Profile",                item.Path ?? "Unknown path",                isEligibleForDirectPlay,                isEligibleForDirectStream);            DirectPlayProfile? directPlayProfile = null;            if (isEligibleForDirectPlay || isEligibleForDirectStream)            {                // See if it can be direct played                var directPlayInfo = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, candidateAudioStreams, subtitleStream, isEligibleForDirectPlay, isEligibleForDirectStream);                var directPlay = directPlayInfo.PlayMethod;                transcodeReasons |= directPlayInfo.TranscodeReasons;                if (directPlay.HasValue)                {                    directPlayProfile = directPlayInfo.Profile;                    playlistItem.PlayMethod = directPlay.Value;                    playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);                    playlistItem.VideoCodecs = new[] { videoStream.Codec };                    if (directPlay == PlayMethod.DirectPlay)                    {                        playlistItem.SubProtocol = "http";                        var audioStreamIndex = directPlayInfo.AudioStreamIndex ?? audioStream?.Index;                        if (audioStreamIndex.HasValue)                        {                            playlistItem.AudioStreamIndex = audioStreamIndex;                            var audioCodec = item.GetMediaStream(MediaStreamType.Audio, audioStreamIndex.Value)?.Codec;                            playlistItem.AudioCodecs = audioCodec is null ? Array.Empty<string>() : new[] { audioCodec };                        }                    }                    else if (directPlay == PlayMethod.DirectStream)                    {                        playlistItem.AudioStreamIndex = audioStream?.Index;                        if (audioStream is not null)                        {                            playlistItem.AudioCodecs = ContainerProfile.SplitValue(directPlayProfile?.AudioCodec);                        }                        SetStreamInfoOptionsFromDirectPlayProfile(options, item, playlistItem, directPlayProfile);                        BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStreams, directPlayProfile?.Container, directPlayProfile?.VideoCodec, directPlayProfile?.AudioCodec);                    }                    if (subtitleStream is not null)                    {                        var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value, _transcoderSupport, directPlayProfile?.Container, null);                        playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;                        playlistItem.SubtitleFormat = subtitleProfile.Format;                    }                }                _logger.LogDebug(                    "DirectPlay Result for Profile: {0}, Path: {1}, PlayMethod: {2}, AudioStreamIndex: {3}, SubtitleStreamIndex: {4}, Reasons: {5}",                    options.Profile.Name ?? "Anonymous Profile",                    item.Path ?? "Unknown path",                    directPlayInfo.PlayMethod,                    directPlayInfo.AudioStreamIndex ?? audioStream?.Index,                    playlistItem.SubtitleStreamIndex,                    directPlayInfo.TranscodeReasons);            }            playlistItem.TranscodeReasons = transcodeReasons;            if (playlistItem.PlayMethod != PlayMethod.DirectStream && playlistItem.PlayMethod != PlayMethod.DirectPlay)            {                // Can't direct play, find the transcoding profile                // If we do this for direct-stream we will overwrite the info                var transcodingProfile = GetVideoTranscodeProfile(item, options, videoStream, audioStream, candidateAudioStreams, subtitleStream, playlistItem);                if (transcodingProfile is not null)                {                    SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);                    BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStreams, transcodingProfile.Container, transcodingProfile.VideoCodec, transcodingProfile.AudioCodec);                    playlistItem.PlayMethod = PlayMethod.Transcode;                    if (subtitleStream is not null)                    {                        var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode, _transcoderSupport, transcodingProfile.Container, transcodingProfile.Protocol);                        playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;                        playlistItem.SubtitleFormat = subtitleProfile.Format;                        playlistItem.SubtitleCodecs = new[] { subtitleProfile.Format };                    }                    if ((playlistItem.TranscodeReasons & (VideoReasons | TranscodeReason.ContainerBitrateExceedsLimit)) != 0)                    {                        ApplyTranscodingConditions(playlistItem, transcodingProfile.Conditions, null, true, true);                    }                }            }            _logger.LogDebug(                "StreamBuilder.BuildVideoItem( Profile={0}, Path={1}, AudioStreamIndex={2}, SubtitleStreamIndex={3} ) => ( PlayMethod={4}, TranscodeReason={5} ) {6}",                options.Profile.Name ?? "Anonymous Profile",                item.Path ?? "Unknown path",                options.AudioStreamIndex,                options.SubtitleStreamIndex,                playlistItem.PlayMethod,                playlistItem.TranscodeReasons,                playlistItem.ToUrl("media:", "<token>"));            item.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video, directPlayProfile);            return playlistItem;        }        private TranscodingProfile? GetVideoTranscodeProfile(            MediaSourceInfo item,            MediaOptions options,            MediaStream? videoStream,            MediaStream? audioStream,            IEnumerable<MediaStream> candidateAudioStreams,            MediaStream? subtitleStream,            StreamInfo playlistItem)        {            if (!(item.SupportsTranscoding || item.SupportsDirectStream))            {                return null;            }            var transcodingProfiles = options.Profile.TranscodingProfiles                .Where(i => i.Type == playlistItem.MediaType && i.Context == options.Context);            if (options.AllowVideoStreamCopy)            {                // prefer direct copy profile                float videoFramerate = videoStream?.AverageFrameRate ?? videoStream?.RealFrameRate ?? 0;                TransportStreamTimestamp? timestamp = videoStream is null ? TransportStreamTimestamp.None : item.Timestamp;                int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);                int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);                transcodingProfiles = transcodingProfiles.ToLookup(transcodingProfile =>                {                    var videoCodecs = ContainerProfile.SplitValue(transcodingProfile.VideoCodec);                    if (ContainerProfile.ContainsContainer(videoCodecs, item.VideoStream?.Codec))                    {                        var videoCodec = videoStream?.Codec;                        var container = transcodingProfile.Container;                        var appliedVideoConditions = options.Profile.CodecProfiles                            .Where(i => i.Type == CodecType.Video &&                                i.ContainsAnyCodec(videoCodec, container) &&                                i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition, videoStream?.Width, videoStream?.Height, videoStream?.BitDepth, videoStream?.BitRate, videoStream?.Profile, videoStream?.VideoRangeType, videoStream?.Level, videoFramerate, videoStream?.PacketLength, timestamp, videoStream?.IsAnamorphic, videoStream?.IsInterlaced, videoStream?.RefFrames, numVideoStreams, numAudioStreams, videoStream?.CodecTag, videoStream?.IsAVC)))                            .Select(i =>                                i.Conditions.All(condition => ConditionProcessor.IsVideoConditionSatisfied(condition, videoStream?.Width, videoStream?.Height, videoStream?.BitDepth, videoStream?.BitRate, videoStream?.Profile, videoStream?.VideoRangeType, videoStream?.Level, videoFramerate, videoStream?.PacketLength, timestamp, videoStream?.IsAnamorphic, videoStream?.IsInterlaced, videoStream?.RefFrames, numVideoStreams, numAudioStreams, videoStream?.CodecTag, videoStream?.IsAVC)));                        // An empty appliedVideoConditions means that the codec has no conditions for the current video stream                        var conditionsSatisfied = appliedVideoConditions.All(satisfied => satisfied);                        return conditionsSatisfied ? 1 : 2;                    }                    return 3;                })                .OrderBy(lookup => lookup.Key)                .SelectMany(lookup => lookup);            }            return transcodingProfiles.FirstOrDefault();        }        private void BuildStreamVideoItem(            StreamInfo playlistItem,            MediaOptions options,            MediaSourceInfo item,            MediaStream? videoStream,            MediaStream? audioStream,            IEnumerable<MediaStream> candidateAudioStreams,            string? container,            string? videoCodec,            string? audioCodec)        {            // Prefer matching video codecs            var videoCodecs = ContainerProfile.SplitValue(videoCodec);            // Enforce HLS video codec restrictions            if (string.Equals(playlistItem.SubProtocol, "hls", StringComparison.OrdinalIgnoreCase))            {                videoCodecs = videoCodecs.Where(codec => _supportedHlsVideoCodecs.Contains(codec)).ToArray();            }            var directVideoCodec = ContainerProfile.ContainsContainer(videoCodecs, videoStream?.Codec) ? videoStream?.Codec : null;            if (directVideoCodec is not null)            {                // merge directVideoCodec to videoCodecs                Array.Resize(ref videoCodecs, videoCodecs.Length + 1);                videoCodecs[^1] = directVideoCodec;            }            playlistItem.VideoCodecs = videoCodecs;            // Copy video codec options as a starting point, this applies to transcode and direct-stream            playlistItem.MaxFramerate = videoStream?.AverageFrameRate;            var qualifier = videoStream?.Codec;            if (videoStream?.Level is not null)            {                playlistItem.SetOption(qualifier, "level", videoStream.Level.Value.ToString(CultureInfo.InvariantCulture));            }            if (videoStream?.BitDepth is not null)            {                playlistItem.SetOption(qualifier, "videobitdepth", videoStream.BitDepth.Value.ToString(CultureInfo.InvariantCulture));            }            if (!string.IsNullOrEmpty(videoStream?.Profile))            {                playlistItem.SetOption(qualifier, "profile", videoStream.Profile.ToLowerInvariant());            }            if (videoStream is not null && videoStream.Level != 0)            {                playlistItem.SetOption(qualifier, "level", videoStream.Level.ToString() ?? string.Empty);            }            // Prefer matching audio codecs, could do better here            var audioCodecs = ContainerProfile.SplitValue(audioCodec);            // Enforce HLS audio codec restrictions            if (string.Equals(playlistItem.SubProtocol, "hls", StringComparison.OrdinalIgnoreCase))            {                if (string.Equals(playlistItem.Container, "mp4", StringComparison.OrdinalIgnoreCase))                {                    audioCodecs = audioCodecs.Where(codec => _supportedHlsAudioCodecsMp4.Contains(codec)).ToArray();                }                else                {                    audioCodecs = audioCodecs.Where(codec => _supportedHlsAudioCodecsTs.Contains(codec)).ToArray();                }            }            var directAudioStream = candidateAudioStreams.FirstOrDefault(stream => ContainerProfile.ContainsContainer(audioCodecs, stream.Codec));            playlistItem.AudioCodecs = audioCodecs;            if (directAudioStream is not null)            {                audioStream = directAudioStream;                playlistItem.AudioStreamIndex = audioStream.Index;                playlistItem.AudioCodecs = new[] { audioStream.Codec };                // Copy matching audio codec options                playlistItem.AudioSampleRate = audioStream.SampleRate;                playlistItem.SetOption(qualifier, "audiochannels", audioStream.Channels.ToString() ?? string.Empty);                if (!string.IsNullOrEmpty(audioStream.Profile))                {                    playlistItem.SetOption(audioStream.Codec, "profile", audioStream.Profile.ToLowerInvariant());                }                if (audioStream.Level != 0)                {                    playlistItem.SetOption(audioStream.Codec, "level", audioStream.Level.ToString() ?? string.Empty);                }            }            int? width = videoStream?.Width;            int? height = videoStream?.Height;            int? bitDepth = videoStream?.BitDepth;            int? videoBitrate = videoStream?.BitRate;            double? videoLevel = videoStream?.Level;            string? videoProfile = videoStream?.Profile;            VideoRangeType? videoRangeType = videoStream?.VideoRangeType;            float videoFramerate = videoStream is null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;            bool? isAnamorphic = videoStream?.IsAnamorphic;            bool? isInterlaced = videoStream?.IsInterlaced;            string? videoCodecTag = videoStream?.CodecTag;            bool? isAvc = videoStream?.IsAVC;            TransportStreamTimestamp? timestamp = videoStream is null ? TransportStreamTimestamp.None : item.Timestamp;            int? packetLength = videoStream?.PacketLength;            int? refFrames = videoStream?.RefFrames;            int? numAudioStreams = item.GetStreamCount(MediaStreamType.Audio);            int? numVideoStreams = item.GetStreamCount(MediaStreamType.Video);            var appliedVideoConditions = options.Profile.CodecProfiles                .Where(i => i.Type == CodecType.Video &&                    i.ContainsAnyCodec(videoStream?.Codec, container) &&                    i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoRangeType, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc)));            var isFirstAppliedCodecProfile = true;            foreach (var i in appliedVideoConditions)            {                var transcodingVideoCodecs = ContainerProfile.SplitValue(videoCodec);                foreach (var transcodingVideoCodec in transcodingVideoCodecs)                {                    if (i.ContainsAnyCodec(transcodingVideoCodec, container))                    {                        ApplyTranscodingConditions(playlistItem, i.Conditions, transcodingVideoCodec, true, isFirstAppliedCodecProfile);                        isFirstAppliedCodecProfile = false;                        continue;                    }                }            }            // Honor requested max channels            playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;            int audioBitrate = GetAudioBitrate(options.GetMaxBitrate(true) ?? 0, playlistItem.TargetAudioCodec, audioStream, playlistItem);            playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);            bool? isSecondaryAudio = audioStream is null ? null : item.IsSecondaryAudio(audioStream);            int? inputAudioBitrate = audioStream?.BitRate;            int? audioChannels = audioStream?.Channels;            string? audioProfile = audioStream?.Profile;            int? inputAudioSampleRate = audioStream?.SampleRate;            int? inputAudioBitDepth = audioStream?.BitDepth;            var appliedAudioConditions = options.Profile.CodecProfiles                .Where(i => i.Type == CodecType.VideoAudio &&                    i.ContainsAnyCodec(audioStream?.Codec, container) &&                    i.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, audioProfile, isSecondaryAudio)));            isFirstAppliedCodecProfile = true;            foreach (var codecProfile in appliedAudioConditions)            {                var transcodingAudioCodecs = ContainerProfile.SplitValue(audioCodec);                foreach (var transcodingAudioCodec in transcodingAudioCodecs)                {                    if (codecProfile.ContainsAnyCodec(transcodingAudioCodec, container))                    {                        ApplyTranscodingConditions(playlistItem, codecProfile.Conditions, transcodingAudioCodec, true, isFirstAppliedCodecProfile);                        isFirstAppliedCodecProfile = false;                        break;                    }                }            }            var maxBitrateSetting = options.GetMaxBitrate(false);            // Honor max rate            if (maxBitrateSetting.HasValue)            {                var availableBitrateForVideo = maxBitrateSetting.Value;                if (playlistItem.AudioBitrate.HasValue)                {                    availableBitrateForVideo -= playlistItem.AudioBitrate.Value;                }                // Make sure the video bitrate is lower than bitrate settings but at least 64k                // Don't use Math.Clamp as availableBitrateForVideo can be lower then 64k.                var currentValue = playlistItem.VideoBitrate ?? availableBitrateForVideo;                playlistItem.VideoBitrate = Math.Max(Math.Min(availableBitrateForVideo, currentValue), 64_000);            }            _logger.LogDebug(                "Transcode Result for Profile: {Profile}, Path: {Path}, PlayMethod: {PlayMethod}, AudioStreamIndex: {AudioStreamIndex}, SubtitleStreamIndex: {SubtitleStreamIndex}, Reasons: {TranscodeReason}",                options.Profile?.Name ?? "Anonymous Profile",                item.Path ?? "Unknown path",                playlistItem?.PlayMethod,                audioStream?.Index,                playlistItem?.SubtitleStreamIndex,                playlistItem?.TranscodeReasons);        }        private static int GetDefaultAudioBitrate(string? audioCodec, int? audioChannels)        {            if (!string.IsNullOrEmpty(audioCodec))            {                // Default to a higher bitrate for stream copy                if (string.Equals(audioCodec, "aac", StringComparison.OrdinalIgnoreCase)                    || string.Equals(audioCodec, "mp3", StringComparison.OrdinalIgnoreCase)                    || string.Equals(audioCodec, "ac3", StringComparison.OrdinalIgnoreCase)                    || string.Equals(audioCodec, "eac3", StringComparison.OrdinalIgnoreCase))                {                    if ((audioChannels ?? 0) < 2)                    {                        return 128000;                    }                    return (audioChannels ?? 0) >= 6 ? 640000 : 384000;                }                if (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase)                    || string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase))                {                    if ((audioChannels ?? 0) < 2)                    {                        return 768000;                    }                    return (audioChannels ?? 0) >= 6 ? 3584000 : 1536000;                }            }            return 192000;        }        private static int GetAudioBitrate(long maxTotalBitrate, string[] targetAudioCodecs, MediaStream? audioStream, StreamInfo item)        {            string? targetAudioCodec = targetAudioCodecs.Length == 0 ? null : targetAudioCodecs[0];            int? targetAudioChannels = item.GetTargetAudioChannels(targetAudioCodec);            int defaultBitrate;            int encoderAudioBitrateLimit = int.MaxValue;            if (audioStream is null)            {                defaultBitrate = 192000;            }            else            {                if (targetAudioChannels.HasValue                    && audioStream.Channels.HasValue                    && audioStream.Channels.Value > targetAudioChannels.Value)                {                    // Reduce the bitrate if we're downmixing.                    defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);                }                else if (targetAudioChannels.HasValue                         && audioStream.Channels.HasValue                         && audioStream.Channels.Value <= targetAudioChannels.Value                         && !string.IsNullOrEmpty(audioStream.Codec)                         && targetAudioCodecs is not null                         && targetAudioCodecs.Length > 0                         && !Array.Exists(targetAudioCodecs, elem => string.Equals(audioStream.Codec, elem, StringComparison.OrdinalIgnoreCase)))                {                    // Shift the bitrate if we're transcoding to a different audio codec.                    defaultBitrate = GetDefaultAudioBitrate(targetAudioCodec, audioStream.Channels.Value);                }                else                {                    defaultBitrate = audioStream.BitRate ?? GetDefaultAudioBitrate(targetAudioCodec, targetAudioChannels);                }                // Seeing webm encoding failures when source has 1 audio channel and 22k bitrate.                // Any attempts to transcode over 64k will fail                if (audioStream.Channels == 1                    && (audioStream.BitRate ?? 0) < 64000)                {                    encoderAudioBitrateLimit = 64000;                }            }            if (maxTotalBitrate > 0)            {                defaultBitrate = Math.Min(GetMaxAudioBitrateForTotalBitrate(maxTotalBitrate), defaultBitrate);            }            return Math.Min(defaultBitrate, encoderAudioBitrateLimit);        }        private static int GetMaxAudioBitrateForTotalBitrate(long totalBitrate)        {            if (totalBitrate <= 640000)            {                return 128000;            }            if (totalBitrate <= 2000000)            {                return 384000;            }            if (totalBitrate <= 3000000)            {                return 448000;            }            if (totalBitrate <= 4000000)            {                return 640000;            }            if (totalBitrate <= 5000000)            {                return 768000;            }            if (totalBitrate <= 10000000)            {                return 1536000;            }            if (totalBitrate <= 15000000)            {                return 2304000;            }            if (totalBitrate <= 20000000)            {                return 3584000;            }            return 7168000;        }        private (DirectPlayProfile? Profile, PlayMethod? PlayMethod, int? AudioStreamIndex, TranscodeReason TranscodeReasons) GetVideoDirectPlayProfile(            MediaOptions options,            MediaSourceInfo mediaSource,            MediaStream? videoStream,            MediaStream? audioStream,            ICollection<MediaStream> candidateAudioStreams,            MediaStream? subtitleStream,            bool isEligibleForDirectPlay,            bool isEligibleForDirectStream)        {            if (options.ForceDirectPlay)            {                return (null, PlayMethod.DirectPlay, audioStream?.Index, 0);            }            if (options.ForceDirectStream)            {                return (null, PlayMethod.DirectStream, audioStream?.Index, 0);            }            DeviceProfile profile = options.Profile;            string container = mediaSource.Container;            // Video            int? width = videoStream?.Width;            int? height = videoStream?.Height;            int? bitDepth = videoStream?.BitDepth;            int? videoBitrate = videoStream?.BitRate;            double? videoLevel = videoStream?.Level;            string? videoProfile = videoStream?.Profile;            VideoRangeType? videoRangeType = videoStream?.VideoRangeType;            float videoFramerate = videoStream is null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;            bool? isAnamorphic = videoStream?.IsAnamorphic;            bool? isInterlaced = videoStream?.IsInterlaced;            string? videoCodecTag = videoStream?.CodecTag;            bool? isAvc = videoStream?.IsAVC;            TransportStreamTimestamp? timestamp = videoStream is null ? TransportStreamTimestamp.None : mediaSource.Timestamp;            int? packetLength = videoStream?.PacketLength;            int? refFrames = videoStream?.RefFrames;            int? numAudioStreams = mediaSource.GetStreamCount(MediaStreamType.Audio);            int? numVideoStreams = mediaSource.GetStreamCount(MediaStreamType.Video);            var checkVideoConditions = (ProfileCondition[] conditions) =>                conditions.Where(applyCondition => !ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoRangeType, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc));            // Check container conditions            var containerProfileReasons = AggregateFailureConditions(                mediaSource,                profile,                "VideoCodecProfile",                profile.ContainerProfiles                    .Where(containerProfile => containerProfile.Type == DlnaProfileType.Video && containerProfile.ContainsContainer(container))                    .SelectMany(containerProfile => checkVideoConditions(containerProfile.Conditions)));            // Check video conditions            var videoCodecProfileReasons = AggregateFailureConditions(                mediaSource,                profile,                "VideoCodecProfile",                profile.CodecProfiles                    .Where(codecProfile => codecProfile.Type == CodecType.Video &&                        codecProfile.ContainsAnyCodec(videoStream?.Codec, container) &&                        !checkVideoConditions(codecProfile.ApplyConditions).Any())                    .SelectMany(codecProfile => checkVideoConditions(codecProfile.Conditions)));            // Check audiocandidates profile conditions            var audioStreamMatches = candidateAudioStreams.ToDictionary(s => s, audioStream => CheckVideoAudioStreamDirectPlay(options, mediaSource, container, audioStream));            TranscodeReason subtitleProfileReasons = 0;            if (subtitleStream is not null)            {                var subtitleProfile = GetSubtitleProfile(mediaSource, subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.DirectPlay, _transcoderSupport, container, null);                if (subtitleProfile.Method != SubtitleDeliveryMethod.Drop                    && subtitleProfile.Method != SubtitleDeliveryMethod.External                    && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)                {                    _logger.LogDebug("Not eligible for {0} due to unsupported subtitles", PlayMethod.DirectPlay);                    subtitleProfileReasons |= TranscodeReason.SubtitleCodecNotSupported;                }            }            var rankings = new[] { VideoReasons, AudioReasons, ContainerReasons };            var rank = (ref TranscodeReason a) =>                {                    var index = 1;                    foreach (var flag in rankings)                    {                        var reason = a & flag;                        if (reason != 0)                        {                            return index;                        }                        index++;                    }                    return index;                };            var containerSupported = false;            // Check DirectPlay profiles to see if it can be direct played            var analyzedProfiles = profile.DirectPlayProfiles                .Where(directPlayProfile => directPlayProfile.Type == DlnaProfileType.Video)                .Select((directPlayProfile, order) =>                {                    TranscodeReason directPlayProfileReasons = 0;                    TranscodeReason audioCodecProfileReasons = 0;                    // Check container type                    if (!directPlayProfile.SupportsContainer(container))                    {                        directPlayProfileReasons |= TranscodeReason.ContainerNotSupported;                    }                    else                    {                        containerSupported = true;                    }                    // Check video codec                    string? videoCodec = videoStream?.Codec;                    if (!directPlayProfile.SupportsVideoCodec(videoCodec))                    {                        directPlayProfileReasons |= TranscodeReason.VideoCodecNotSupported;                    }                    // Check audio codec                    MediaStream? selectedAudioStream = null;                    if (candidateAudioStreams.Any())                    {                        selectedAudioStream = candidateAudioStreams.FirstOrDefault(audioStream => directPlayProfile.SupportsAudioCodec(audioStream.Codec));                        if (selectedAudioStream is null)                        {                            directPlayProfileReasons |= TranscodeReason.AudioCodecNotSupported;                        }                        else                        {                            audioCodecProfileReasons = audioStreamMatches.GetValueOrDefault(selectedAudioStream);                        }                    }                    var failureReasons = directPlayProfileReasons | containerProfileReasons | subtitleProfileReasons;                    if ((failureReasons & TranscodeReason.VideoCodecNotSupported) == 0)                    {                        failureReasons |= videoCodecProfileReasons;                    }                    if ((failureReasons & TranscodeReason.AudioCodecNotSupported) == 0)                    {                        failureReasons |= audioCodecProfileReasons;                    }                    var directStreamFailureReasons = failureReasons & (~DirectStreamReasons);                    PlayMethod? playMethod = null;                    if (failureReasons == 0 && isEligibleForDirectPlay && mediaSource.SupportsDirectPlay)                    {                        playMethod = PlayMethod.DirectPlay;                    }                    else if (directStreamFailureReasons == 0 && isEligibleForDirectStream && mediaSource.SupportsDirectStream)                    {                        playMethod = PlayMethod.DirectStream;                    }                    var ranked = rank(ref failureReasons);                    return (Result: (Profile: directPlayProfile, PlayMethod: playMethod, AudioStreamIndex: selectedAudioStream?.Index, TranscodeReason: failureReasons), Order: order, Rank: ranked);                })                .OrderByDescending(analysis => analysis.Result.PlayMethod)                .ThenByDescending(analysis => analysis.Rank)                .ThenBy(analysis => analysis.Order)                .ToArray()                .ToLookup(analysis => analysis.Result.PlayMethod is not null);            var profileMatch = analyzedProfiles[true]                .Select(analysis => analysis.Result)                .FirstOrDefault();            if (profileMatch.Profile is not null)            {                return profileMatch;            }            var failureReasons = analyzedProfiles[false]                .Select(analysis => analysis.Result)                .Where(result => !containerSupported || (result.TranscodeReason & TranscodeReason.ContainerNotSupported) == 0)                .FirstOrDefault().TranscodeReason;            if (failureReasons == 0)            {                failureReasons = TranscodeReason.DirectPlayError;            }            return (Profile: null, PlayMethod: null, AudioStreamIndex: null, TranscodeReasons: failureReasons);        }        private TranscodeReason CheckVideoAudioStreamDirectPlay(MediaOptions options, MediaSourceInfo mediaSource, string container, MediaStream audioStream)        {            var profile = options.Profile;            var audioFailureConditions = GetProfileConditionsForVideoAudio(profile.CodecProfiles, container, audioStream.Codec, audioStream.Channels, audioStream.BitRate, audioStream.SampleRate, audioStream.BitDepth, audioStream.Profile, mediaSource.IsSecondaryAudio(audioStream));            var audioStreamFailureReasons = AggregateFailureConditions(mediaSource, profile, "VideoAudioCodecProfile", audioFailureConditions);            if (audioStream?.IsExternal == true)            {                audioStreamFailureReasons |= TranscodeReason.AudioIsExternal;            }            return audioStreamFailureReasons;        }        private TranscodeReason AggregateFailureConditions(MediaSourceInfo mediaSource, DeviceProfile profile, string type, IEnumerable<ProfileCondition> conditions)        {            return conditions.Aggregate<ProfileCondition, TranscodeReason>(0, (reasons, i) =>            {                LogConditionFailure(profile, type, i, mediaSource);                var transcodeReasons = GetTranscodeReasonForFailedCondition(i);                return reasons | transcodeReasons;            });        }        private void LogConditionFailure(DeviceProfile profile, string type, ProfileCondition condition, MediaSourceInfo mediaSource)        {            _logger.LogDebug(                "Profile: {0}, DirectPlay=false. Reason={1}.{2} Condition: {3}. ConditionValue: {4}. IsRequired: {5}. Path: {6}",                type,                profile.Name ?? "Unknown Profile",                condition.Property,                condition.Condition,                condition.Value ?? string.Empty,                condition.IsRequired,                mediaSource.Path ?? "Unknown path");        }        /// <summary>        /// Normalizes input container.        /// </summary>        /// <param name="mediaSource">The <see cref="MediaSourceInfo"/>.</param>        /// <param name="subtitleStream">The <see cref="MediaStream"/> of the subtitle stream.</param>        /// <param name="subtitleProfiles">The list of supported <see cref="SubtitleProfile"/>s.</param>        /// <param name="playMethod">The <see cref="PlayMethod"/>.</param>        /// <param name="transcoderSupport">The <see cref="ITranscoderSupport"/>.</param>        /// <param name="outputContainer">The output container.</param>        /// <param name="transcodingSubProtocol">The subtitle transoding protocol.</param>        /// <returns>The the normalized input container.</returns>        public static SubtitleProfile GetSubtitleProfile(            MediaSourceInfo mediaSource,            MediaStream subtitleStream,            SubtitleProfile[] subtitleProfiles,            PlayMethod playMethod,            ITranscoderSupport transcoderSupport,            string? outputContainer,            string? transcodingSubProtocol)        {            if (!subtitleStream.IsExternal && (playMethod != PlayMethod.Transcode || !string.Equals(transcodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase)))            {                // Look for supported embedded subs of the same format                foreach (var profile in subtitleProfiles)                {                    if (!profile.SupportsLanguage(subtitleStream.Language))                    {                        continue;                    }                    if (profile.Method != SubtitleDeliveryMethod.Embed)                    {                        continue;                    }                    if (!ContainerProfile.ContainsContainer(profile.Container, outputContainer))                    {                        continue;                    }                    if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))                    {                        continue;                    }                    if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && string.Equals(profile.Format, subtitleStream.Codec, StringComparison.OrdinalIgnoreCase))                    {                        return profile;                    }                }                // Look for supported embedded subs of a convertible format                foreach (var profile in subtitleProfiles)                {                    if (!profile.SupportsLanguage(subtitleStream.Language))                    {                        continue;                    }                    if (profile.Method != SubtitleDeliveryMethod.Embed)                    {                        continue;                    }                    if (!ContainerProfile.ContainsContainer(profile.Container, outputContainer))                    {                        continue;                    }                    if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(outputContainer))                    {                        continue;                    }                    if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))                    {                        return profile;                    }                }            }            // Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion            return GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport, false) ??                GetExternalSubtitleProfile(mediaSource, subtitleStream, subtitleProfiles, playMethod, transcoderSupport, true) ??                new SubtitleProfile                {                    Method = SubtitleDeliveryMethod.Encode,                    Format = subtitleStream.Codec                };        }        private static bool IsSubtitleEmbedSupported(string? transcodingContainer)        {            if (!string.IsNullOrEmpty(transcodingContainer))            {                string[] normalizedContainers = ContainerProfile.SplitValue(transcodingContainer);                if (ContainerProfile.ContainsContainer(normalizedContainers, "ts")                    || ContainerProfile.ContainsContainer(normalizedContainers, "mpegts")                    || ContainerProfile.ContainsContainer(normalizedContainers, "mp4"))                {                    return false;                }                if (ContainerProfile.ContainsContainer(normalizedContainers, "mkv")                    || ContainerProfile.ContainsContainer(normalizedContainers, "matroska"))                {                    return true;                }            }            return false;        }        private static SubtitleProfile? GetExternalSubtitleProfile(MediaSourceInfo mediaSource, MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, ITranscoderSupport transcoderSupport, bool allowConversion)        {            foreach (var profile in subtitleProfiles)            {                if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)                {                    continue;                }                if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)                {                    continue;                }                if (!profile.SupportsLanguage(subtitleStream.Language))                {                    continue;                }                if (!subtitleStream.IsExternal && !transcoderSupport.CanExtractSubtitles(subtitleStream.Codec))                {                    continue;                }                if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) ||                    (profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))                {                    bool requiresConversion = !string.Equals(subtitleStream.Codec, profile.Format, StringComparison.OrdinalIgnoreCase);                    if (!requiresConversion)                    {                        return profile;                    }                    if (!allowConversion)                    {                        continue;                    }                    // TODO: Build this into subtitleStream.SupportsExternalStream                    if (mediaSource.IsInfiniteStream)                    {                        continue;                    }                    if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))                    {                        return profile;                    }                }            }            return null;        }        private bool IsBitrateLimitExceeded(MediaSourceInfo item, long maxBitrate)        {            // Don't restrict bitrate if item is remote.            if (item.IsRemote)            {                return false;            }            // If no maximum bitrate is set, default to no maximum bitrate.            long requestedMaxBitrate = maxBitrate > 0 ? maxBitrate : int.MaxValue;            // If we don't know the item bitrate, then force a transcode if requested max bitrate is under 40 mbps            int itemBitrate = item.Bitrate ?? 40000000;            if (itemBitrate > requestedMaxBitrate)            {                _logger.LogDebug(                    "Bitrate exceeds limit: media bitrate: {MediaBitrate}, max bitrate: {MaxBitrate}",                    itemBitrate,                    requestedMaxBitrate);                return true;            }            return false;        }        private static void ValidateMediaOptions(MediaOptions options, bool isMediaSource)        {            if (options.ItemId.Equals(default))            {                ArgumentException.ThrowIfNullOrEmpty(options.DeviceId);            }            if (options.Profile is null)            {                throw new ArgumentException("Profile is required");            }            if (options.MediaSources is null)            {                throw new ArgumentException("MediaSources is required");            }            if (isMediaSource)            {                if (options.AudioStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))                {                    throw new ArgumentException("MediaSourceId is required when a specific audio stream is requested");                }                if (options.SubtitleStreamIndex.HasValue && string.IsNullOrEmpty(options.MediaSourceId))                {                    throw new ArgumentException("MediaSourceId is required when a specific subtitle stream is requested");                }            }        }        private static IEnumerable<ProfileCondition> GetProfileConditionsForVideoAudio(            IEnumerable<CodecProfile> codecProfiles,            string container,            string codec,            int? audioChannels,            int? audioBitrate,            int? audioSampleRate,            int? audioBitDepth,            string audioProfile,            bool? isSecondaryAudio)        {            return codecProfiles                .Where(profile => profile.Type == CodecType.VideoAudio &&                    profile.ContainsAnyCodec(codec, container) &&                    profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio)))                .SelectMany(profile => profile.Conditions)                .Where(condition => !ConditionProcessor.IsVideoAudioConditionSatisfied(condition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio));        }        private static IEnumerable<ProfileCondition> GetProfileConditionsForAudio(            IEnumerable<CodecProfile> codecProfiles,            string container,            string? codec,            int? audioChannels,            int? audioBitrate,            int? audioSampleRate,            int? audioBitDepth,            bool checkConditions)        {            var conditions = codecProfiles                .Where(profile => profile.Type == CodecType.Audio &&                    profile.ContainsAnyCodec(codec, container) &&                    profile.ApplyConditions.All(applyCondition => ConditionProcessor.IsAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth)))                .SelectMany(profile => profile.Conditions);            if (!checkConditions)            {                return conditions;            }            return conditions.Where(condition => !ConditionProcessor.IsAudioConditionSatisfied(condition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth));        }        private void ApplyTranscodingConditions(StreamInfo item, IEnumerable<ProfileCondition> conditions, string? qualifier, bool enableQualifiedConditions, bool enableNonQualifiedConditions)        {            foreach (ProfileCondition condition in conditions)            {                string value = condition.Value;                if (string.IsNullOrEmpty(value))                {                    continue;                }                // No way to express this                if (condition.Condition == ProfileConditionType.GreaterThanEqual)                {                    continue;                }                switch (condition.Property)                {                    case ProfileConditionValue.AudioBitrate:                        {                            if (!enableNonQualifiedConditions)                            {                                continue;                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.AudioBitrate = num;                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.AudioBitrate = Math.Min(num, item.AudioBitrate ?? num);                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.AudioBitrate = Math.Max(num, item.AudioBitrate ?? num);                                }                            }                            break;                        }                    case ProfileConditionValue.AudioSampleRate:                        {                            if (!enableNonQualifiedConditions)                            {                                continue;                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.AudioSampleRate = num;                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.AudioSampleRate = Math.Min(num, item.AudioSampleRate ?? num);                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.AudioSampleRate = Math.Max(num, item.AudioSampleRate ?? num);                                }                            }                            break;                        }                    case ProfileConditionValue.AudioChannels:                        {                            if (string.IsNullOrEmpty(qualifier))                            {                                if (!enableNonQualifiedConditions)                                {                                    continue;                                }                            }                            else                            {                                if (!enableQualifiedConditions)                                {                                    continue;                                }                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.SetOption(qualifier, "audiochannels", num.ToString(CultureInfo.InvariantCulture));                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.SetOption(qualifier, "audiochannels", Math.Min(num, item.GetTargetAudioChannels(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.SetOption(qualifier, "audiochannels", Math.Max(num, item.GetTargetAudioChannels(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));                                }                            }                            break;                        }                    case ProfileConditionValue.IsAvc:                        {                            if (!enableNonQualifiedConditions)                            {                                continue;                            }                            if (bool.TryParse(value, out var isAvc))                            {                                if (isAvc && condition.Condition == ProfileConditionType.Equals)                                {                                    item.RequireAvc = true;                                }                                else if (!isAvc && condition.Condition == ProfileConditionType.NotEquals)                                {                                    item.RequireAvc = true;                                }                            }                            break;                        }                    case ProfileConditionValue.IsAnamorphic:                        {                            if (!enableNonQualifiedConditions)                            {                                continue;                            }                            if (bool.TryParse(value, out var isAnamorphic))                            {                                if (isAnamorphic && condition.Condition == ProfileConditionType.Equals)                                {                                    item.RequireNonAnamorphic = true;                                }                                else if (!isAnamorphic && condition.Condition == ProfileConditionType.NotEquals)                                {                                    item.RequireNonAnamorphic = true;                                }                            }                            break;                        }                    case ProfileConditionValue.IsInterlaced:                        {                            if (string.IsNullOrEmpty(qualifier))                            {                                if (!enableNonQualifiedConditions)                                {                                    continue;                                }                            }                            else                            {                                if (!enableQualifiedConditions)                                {                                    continue;                                }                            }                            if (bool.TryParse(value, out var isInterlaced))                            {                                if (!isInterlaced && condition.Condition == ProfileConditionType.Equals)                                {                                    item.SetOption(qualifier, "deinterlace", "true");                                }                                else if (isInterlaced && condition.Condition == ProfileConditionType.NotEquals)                                {                                    item.SetOption(qualifier, "deinterlace", "true");                                }                            }                            break;                        }                    case ProfileConditionValue.AudioProfile:                    case ProfileConditionValue.Has64BitOffsets:                    case ProfileConditionValue.PacketLength:                    case ProfileConditionValue.NumAudioStreams:                    case ProfileConditionValue.NumVideoStreams:                    case ProfileConditionValue.IsSecondaryAudio:                    case ProfileConditionValue.VideoTimestamp:                        {                            // Not supported yet                            break;                        }                    case ProfileConditionValue.RefFrames:                        {                            if (string.IsNullOrEmpty(qualifier))                            {                                if (!enableNonQualifiedConditions)                                {                                    continue;                                }                            }                            else                            {                                if (!enableQualifiedConditions)                                {                                    continue;                                }                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.SetOption(qualifier, "maxrefframes", num.ToString(CultureInfo.InvariantCulture));                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.SetOption(qualifier, "maxrefframes", Math.Min(num, item.GetTargetRefFrames(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.SetOption(qualifier, "maxrefframes", Math.Max(num, item.GetTargetRefFrames(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));                                }                            }                            break;                        }                    case ProfileConditionValue.VideoBitDepth:                        {                            if (string.IsNullOrEmpty(qualifier))                            {                                if (!enableNonQualifiedConditions)                                {                                    continue;                                }                            }                            else                            {                                if (!enableQualifiedConditions)                                {                                    continue;                                }                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.SetOption(qualifier, "videobitdepth", num.ToString(CultureInfo.InvariantCulture));                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.SetOption(qualifier, "videobitdepth", Math.Min(num, item.GetTargetVideoBitDepth(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.SetOption(qualifier, "videobitdepth", Math.Max(num, item.GetTargetVideoBitDepth(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));                                }                            }                            break;                        }                    case ProfileConditionValue.VideoProfile:                        {                            if (string.IsNullOrEmpty(qualifier))                            {                                continue;                            }                            // Change from split by | to comma                            // Strip spaces to avoid having to encode                            var values = value                                .Split('|', StringSplitOptions.RemoveEmptyEntries);                            if (condition.Condition == ProfileConditionType.Equals)                            {                                item.SetOption(qualifier, "profile", string.Join(',', values));                            }                            else if (condition.Condition == ProfileConditionType.EqualsAny)                            {                                var currentValue = item.GetOption(qualifier, "profile");                                if (!string.IsNullOrEmpty(currentValue) && values.Any(value => value == currentValue))                                {                                    item.SetOption(qualifier, "profile", currentValue);                                }                                else                                {                                    item.SetOption(qualifier, "profile", string.Join(',', values));                                }                            }                            break;                        }                    case ProfileConditionValue.VideoRangeType:                        {                            if (string.IsNullOrEmpty(qualifier))                            {                                continue;                            }                            // change from split by | to comma                            // strip spaces to avoid having to encode                            var values = value                                .Split('|', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);                            if (condition.Condition == ProfileConditionType.Equals)                            {                                item.SetOption(qualifier, "rangetype", string.Join(',', values));                            }                            else if (condition.Condition == ProfileConditionType.NotEquals)                            {                                item.SetOption(qualifier, "rangetype", string.Join(',', Enum.GetNames(typeof(VideoRangeType)).Except(values)));                            }                            else if (condition.Condition == ProfileConditionType.EqualsAny)                            {                                var currentValue = item.GetOption(qualifier, "rangetype");                                if (!string.IsNullOrEmpty(currentValue) && values.Any(v => string.Equals(v, currentValue, StringComparison.OrdinalIgnoreCase)))                                {                                    item.SetOption(qualifier, "rangetype", currentValue);                                }                                else                                {                                    item.SetOption(qualifier, "rangetype", string.Join(',', values));                                }                            }                            break;                        }                    case ProfileConditionValue.Height:                        {                            if (!enableNonQualifiedConditions)                            {                                continue;                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.MaxHeight = num;                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.MaxHeight = Math.Min(num, item.MaxHeight ?? num);                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.MaxHeight = Math.Max(num, item.MaxHeight ?? num);                                }                            }                            break;                        }                    case ProfileConditionValue.VideoBitrate:                        {                            if (!enableNonQualifiedConditions)                            {                                continue;                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.VideoBitrate = num;                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.VideoBitrate = Math.Min(num, item.VideoBitrate ?? num);                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.VideoBitrate = Math.Max(num, item.VideoBitrate ?? num);                                }                            }                            break;                        }                    case ProfileConditionValue.VideoFramerate:                        {                            if (!enableNonQualifiedConditions)                            {                                continue;                            }                            if (float.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.MaxFramerate = num;                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.MaxFramerate = Math.Min(num, item.MaxFramerate ?? num);                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.MaxFramerate = Math.Max(num, item.MaxFramerate ?? num);                                }                            }                            break;                        }                    case ProfileConditionValue.VideoLevel:                        {                            if (string.IsNullOrEmpty(qualifier))                            {                                continue;                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.SetOption(qualifier, "level", num.ToString(CultureInfo.InvariantCulture));                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.SetOption(qualifier, "level", Math.Min(num, item.GetTargetVideoLevel(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.SetOption(qualifier, "level", Math.Max(num, item.GetTargetVideoLevel(qualifier) ?? num).ToString(CultureInfo.InvariantCulture));                                }                            }                            break;                        }                    case ProfileConditionValue.Width:                        {                            if (!enableNonQualifiedConditions)                            {                                continue;                            }                            if (int.TryParse(value, CultureInfo.InvariantCulture, out var num))                            {                                if (condition.Condition == ProfileConditionType.Equals)                                {                                    item.MaxWidth = num;                                }                                else if (condition.Condition == ProfileConditionType.LessThanEqual)                                {                                    item.MaxWidth = Math.Min(num, item.MaxWidth ?? num);                                }                                else if (condition.Condition == ProfileConditionType.GreaterThanEqual)                                {                                    item.MaxWidth = Math.Max(num, item.MaxWidth ?? num);                                }                            }                            break;                        }                    default:                        break;                }            }        }        private static bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audioStream)        {            // Check container type            if (!profile.SupportsContainer(item.Container))            {                return false;            }            // Check audio codec            string? audioCodec = audioStream?.Codec;            if (!profile.SupportsAudioCodec(audioCodec))            {                return false;            }            return true;        }    }}
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