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2103 lines
94 KiB
2103 lines
94 KiB
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Session;
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using Microsoft.Extensions.Logging;
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namespace MediaBrowser.Model.Dlna
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{
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/// <summary>
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/// Class StreamBuilder.
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/// </summary>
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public class StreamBuilder
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{
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// Aliases
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internal const TranscodeReason ContainerReasons = TranscodeReason.ContainerNotSupported | TranscodeReason.ContainerBitrateExceedsLimit;
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internal const TranscodeReason AudioReasons = TranscodeReason.AudioCodecNotSupported | TranscodeReason.AudioBitrateNotSupported | TranscodeReason.AudioChannelsNotSupported | TranscodeReason.AudioProfileNotSupported | TranscodeReason.AudioSampleRateNotSupported | TranscodeReason.SecondaryAudioNotSupported | TranscodeReason.AudioBitDepthNotSupported | TranscodeReason.AudioIsExternal;
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internal const TranscodeReason VideoReasons = TranscodeReason.VideoCodecNotSupported | TranscodeReason.VideoResolutionNotSupported | TranscodeReason.AnamorphicVideoNotSupported | TranscodeReason.InterlacedVideoNotSupported | TranscodeReason.VideoBitDepthNotSupported | TranscodeReason.VideoBitrateNotSupported | TranscodeReason.VideoFramerateNotSupported | TranscodeReason.VideoLevelNotSupported | TranscodeReason.RefFramesNotSupported;
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internal const TranscodeReason DirectStreamReasons = AudioReasons | TranscodeReason.ContainerNotSupported;
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private readonly ILogger _logger;
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private readonly ITranscoderSupport _transcoderSupport;
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private static readonly string[] _supportedHlsVideoCodecs = new string[] { "h264", "hevc" };
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private static readonly string[] _supportedHlsAudioCodecsTs = new string[] { "aac", "ac3", "eac3", "mp3" };
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private static readonly string[] _supportedHlsAudioCodecsMp4 = new string[] { "aac", "ac3", "eac3", "mp3", "alac", "flac", "opus", "dca", "truehd" };
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/// <summary>
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/// Initializes a new instance of the <see cref="StreamBuilder"/> class.
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/// </summary>
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/// <param name="transcoderSupport">The <see cref="ITranscoderSupport"/> object.</param>
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/// <param name="logger">The <see cref="ILogger"/> object.</param>
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public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)
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{
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_transcoderSupport = transcoderSupport;
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_logger = logger;
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}
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/// <summary>
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/// Gets the optimal audio stream.
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/// </summary>
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/// <param name="options">The <see cref="MediaOptions"/> object to get the audio stream from.</param>
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/// <returns>The <see cref="StreamInfo"/> of the optimal audio stream.</returns>
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public StreamInfo? GetOptimalAudioStream(MediaOptions options)
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{
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ValidateMediaOptions(options, false);
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var streams = new List<StreamInfo>();
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foreach (var mediaSource in options.MediaSources)
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{
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if (!(string.IsNullOrEmpty(options.MediaSourceId)
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|| string.Equals(mediaSource.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase)))
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{
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continue;
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}
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StreamInfo? streamInfo = GetOptimalAudioStream(mediaSource, options);
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if (streamInfo is not null)
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{
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streamInfo.DeviceId = options.DeviceId;
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streamInfo.DeviceProfileId = options.Profile.Id;
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streams.Add(streamInfo);
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}
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}
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return GetOptimalStream(streams, options.GetMaxBitrate(true) ?? 0);
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}
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private StreamInfo? GetOptimalAudioStream(MediaSourceInfo item, MediaOptions options)
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{
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var playlistItem = new StreamInfo
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{
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ItemId = options.ItemId,
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MediaType = DlnaProfileType.Audio,
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MediaSource = item,
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RunTimeTicks = item.RunTimeTicks,
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Context = options.Context,
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DeviceProfile = options.Profile
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};
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if (options.ForceDirectPlay)
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{
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playlistItem.PlayMethod = PlayMethod.DirectPlay;
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playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);
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return playlistItem;
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}
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if (options.ForceDirectStream)
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{
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playlistItem.PlayMethod = PlayMethod.DirectStream;
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playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);
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return playlistItem;
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}
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MediaStream audioStream = item.GetDefaultAudioStream(null);
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var directPlayInfo = GetAudioDirectPlayProfile(item, audioStream, options);
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var directPlayMethod = directPlayInfo.PlayMethod;
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var transcodeReasons = directPlayInfo.TranscodeReasons;
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var inputAudioChannels = audioStream?.Channels;
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var inputAudioBitrate = audioStream?.BitRate;
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var inputAudioSampleRate = audioStream?.SampleRate;
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var inputAudioBitDepth = audioStream?.BitDepth;
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if (directPlayMethod.HasValue)
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{
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var profile = options.Profile;
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var audioFailureConditions = GetProfileConditionsForAudio(profile.CodecProfiles, item.Container, audioStream?.Codec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, true);
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var audioFailureReasons = AggregateFailureConditions(item, profile, "AudioCodecProfile", audioFailureConditions);
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transcodeReasons |= audioFailureReasons;
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if (audioFailureReasons == 0)
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{
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playlistItem.PlayMethod = directPlayMethod.Value;
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playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio, directPlayInfo.Profile);
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return playlistItem;
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}
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}
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TranscodingProfile? transcodingProfile = null;
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foreach (var tcProfile in options.Profile.TranscodingProfiles)
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{
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if (tcProfile.Type == playlistItem.MediaType
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&& tcProfile.Context == options.Context
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&& _transcoderSupport.CanEncodeToAudioCodec(tcProfile.AudioCodec ?? tcProfile.Container))
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{
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transcodingProfile = tcProfile;
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break;
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}
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}
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if (transcodingProfile != null)
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{
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if (!item.SupportsTranscoding)
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{
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return null;
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}
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SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
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var audioTranscodingConditions = GetProfileConditionsForAudio(options.Profile.CodecProfiles, transcodingProfile.Container, transcodingProfile.AudioCodec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, false).ToArray();
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ApplyTranscodingConditions(playlistItem, audioTranscodingConditions, null, true, true);
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// Honor requested max channels
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playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
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var configuredBitrate = options.GetMaxBitrate(true);
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long transcodingBitrate = options.AudioTranscodingBitrate
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?? (options.Context == EncodingContext.Streaming ? options.Profile.MusicStreamingTranscodingBitrate : null)
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?? configuredBitrate
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?? 128000;
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if (configuredBitrate.HasValue)
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{
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transcodingBitrate = Math.Min(configuredBitrate.Value, transcodingBitrate);
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}
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var longBitrate = Math.Min(transcodingBitrate, playlistItem.AudioBitrate ?? transcodingBitrate);
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playlistItem.AudioBitrate = longBitrate > int.MaxValue ? int.MaxValue : Convert.ToInt32(longBitrate);
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}
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playlistItem.TranscodeReasons = transcodeReasons;
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return playlistItem;
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}
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/// <summary>
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/// Gets the optimal video stream.
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/// </summary>
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/// <param name="options">The <see cref="MediaOptions"/> object to get the video stream from.</param>
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/// <returns>The <see cref="StreamInfo"/> of the optimal video stream.</returns>
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public StreamInfo? GetOptimalVideoStream(MediaOptions options)
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{
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ValidateMediaOptions(options, true);
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var mediaSources = new List<MediaSourceInfo>();
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foreach (var mediaSourceInfo in options.MediaSources)
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{
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if (string.IsNullOrEmpty(options.MediaSourceId)
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|| string.Equals(mediaSourceInfo.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
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{
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mediaSources.Add(mediaSourceInfo);
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}
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}
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var streams = new List<StreamInfo>();
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foreach (var mediaSourceInfo in mediaSources)
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{
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var streamInfo = BuildVideoItem(mediaSourceInfo, options);
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if (streamInfo is not null)
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{
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streams.Add(streamInfo);
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}
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}
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foreach (var stream in streams)
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{
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stream.DeviceId = options.DeviceId;
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stream.DeviceProfileId = options.Profile.Id;
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}
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return GetOptimalStream(streams, options.GetMaxBitrate(false) ?? 0);
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}
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private static StreamInfo? GetOptimalStream(List<StreamInfo> streams, long maxBitrate)
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=> SortMediaSources(streams, maxBitrate).FirstOrDefault();
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private static IOrderedEnumerable<StreamInfo> SortMediaSources(List<StreamInfo> streams, long maxBitrate)
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{
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return streams.OrderBy(i =>
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{
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// Nothing beats direct playing a file
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if (i.PlayMethod == PlayMethod.DirectPlay && i.MediaSource.Protocol == MediaProtocol.File)
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{
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return 0;
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}
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return 1;
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}).ThenBy(i =>
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{
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switch (i.PlayMethod)
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{
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// Let's assume direct streaming a file is just as desirable as direct playing a remote url
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case PlayMethod.DirectStream:
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case PlayMethod.DirectPlay:
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return 0;
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default:
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return 1;
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}
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}).ThenBy(i =>
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{
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switch (i.MediaSource.Protocol)
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{
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case MediaProtocol.File:
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return 0;
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default:
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return 1;
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}
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}).ThenBy(i =>
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{
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if (maxBitrate > 0)
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{
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if (i.MediaSource.Bitrate.HasValue)
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{
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return Math.Abs(i.MediaSource.Bitrate.Value - maxBitrate);
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}
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}
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return 0;
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}).ThenBy(streams.IndexOf);
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}
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private static TranscodeReason GetTranscodeReasonForFailedCondition(ProfileCondition condition)
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{
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switch (condition.Property)
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{
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case ProfileConditionValue.AudioBitrate:
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return TranscodeReason.AudioBitrateNotSupported;
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case ProfileConditionValue.AudioChannels:
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return TranscodeReason.AudioChannelsNotSupported;
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case ProfileConditionValue.AudioProfile:
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return TranscodeReason.AudioProfileNotSupported;
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case ProfileConditionValue.AudioSampleRate:
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return TranscodeReason.AudioSampleRateNotSupported;
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case ProfileConditionValue.Has64BitOffsets:
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// TODO
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return 0;
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case ProfileConditionValue.Height:
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return TranscodeReason.VideoResolutionNotSupported;
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case ProfileConditionValue.IsAnamorphic:
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return TranscodeReason.AnamorphicVideoNotSupported;
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case ProfileConditionValue.IsAvc:
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// TODO
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return 0;
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case ProfileConditionValue.IsInterlaced:
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return TranscodeReason.InterlacedVideoNotSupported;
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case ProfileConditionValue.IsSecondaryAudio:
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return TranscodeReason.SecondaryAudioNotSupported;
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case ProfileConditionValue.NumAudioStreams:
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// TODO
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return 0;
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case ProfileConditionValue.NumVideoStreams:
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// TODO
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return 0;
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case ProfileConditionValue.PacketLength:
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// TODO
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return 0;
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case ProfileConditionValue.RefFrames:
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return TranscodeReason.RefFramesNotSupported;
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case ProfileConditionValue.VideoBitDepth:
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return TranscodeReason.VideoBitDepthNotSupported;
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case ProfileConditionValue.AudioBitDepth:
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return TranscodeReason.AudioBitDepthNotSupported;
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case ProfileConditionValue.VideoBitrate:
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return TranscodeReason.VideoBitrateNotSupported;
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case ProfileConditionValue.VideoCodecTag:
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return TranscodeReason.VideoCodecNotSupported;
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case ProfileConditionValue.VideoFramerate:
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return TranscodeReason.VideoFramerateNotSupported;
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case ProfileConditionValue.VideoLevel:
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return TranscodeReason.VideoLevelNotSupported;
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case ProfileConditionValue.VideoProfile:
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return TranscodeReason.VideoProfileNotSupported;
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case ProfileConditionValue.VideoRangeType:
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return TranscodeReason.VideoRangeTypeNotSupported;
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case ProfileConditionValue.VideoTimestamp:
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// TODO
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return 0;
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case ProfileConditionValue.Width:
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return TranscodeReason.VideoResolutionNotSupported;
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default:
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return 0;
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}
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}
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/// <summary>
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/// Normalizes input container.
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/// </summary>
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/// <param name="inputContainer">The input container.</param>
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/// <param name="profile">The <see cref="DeviceProfile"/>.</param>
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/// <param name="type">The <see cref="DlnaProfileType"/>.</param>
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/// <param name="playProfile">The <see cref="DirectPlayProfile"/> object to get the video stream from.</param>
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/// <returns>The the normalized input container.</returns>
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public static string? NormalizeMediaSourceFormatIntoSingleContainer(string inputContainer, DeviceProfile? profile, DlnaProfileType type, DirectPlayProfile? playProfile = null)
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{
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if (string.IsNullOrEmpty(inputContainer))
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{
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return null;
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}
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var formats = ContainerProfile.SplitValue(inputContainer);
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if (profile is not null)
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{
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var playProfiles = playProfile is null ? profile.DirectPlayProfiles : new[] { playProfile };
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foreach (var format in formats)
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{
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foreach (var directPlayProfile in playProfiles)
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{
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if (directPlayProfile.Type == type
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&& directPlayProfile.SupportsContainer(format))
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{
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return format;
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}
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}
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}
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}
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return formats[0];
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}
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private (DirectPlayProfile? Profile, PlayMethod? PlayMethod, TranscodeReason TranscodeReasons) GetAudioDirectPlayProfile(MediaSourceInfo item, MediaStream audioStream, MediaOptions options)
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{
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var directPlayProfile = options.Profile.DirectPlayProfiles
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.FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(x, item, audioStream));
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if (directPlayProfile is null)
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{
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_logger.LogDebug(
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"Profile: {0}, No audio direct play profiles found for {1} with codec {2}",
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options.Profile.Name ?? "Unknown Profile",
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item.Path ?? "Unknown path",
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audioStream.Codec ?? "Unknown codec");
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return (null, null, GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));
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}
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TranscodeReason transcodeReasons = 0;
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// The profile describes what the device supports
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// If device requirements are satisfied then allow both direct stream and direct play
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if (item.SupportsDirectPlay)
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{
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if (!IsBitrateLimitExceeded(item, options.GetMaxBitrate(true) ?? 0))
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{
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if (options.EnableDirectPlay)
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{
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return (directPlayProfile, PlayMethod.DirectPlay, 0);
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}
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}
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else
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{
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transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
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}
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}
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// While options takes the network and other factors into account. Only applies to direct stream
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if (item.SupportsDirectStream)
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{
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if (!IsBitrateLimitExceeded(item, options.GetMaxBitrate(true) ?? 0))
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{
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if (options.EnableDirectStream)
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{
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return (directPlayProfile, PlayMethod.DirectStream, transcodeReasons);
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}
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}
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else
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{
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transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
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}
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}
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return (directPlayProfile, null, transcodeReasons);
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}
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private static TranscodeReason GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream? videoStream, MediaStream audioStream, IEnumerable<DirectPlayProfile> directPlayProfiles)
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{
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var mediaType = videoStream is null ? DlnaProfileType.Audio : DlnaProfileType.Video;
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var containerSupported = false;
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var audioSupported = false;
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var videoSupported = false;
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foreach (var profile in directPlayProfiles)
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{
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// Check container type
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if (profile.Type == mediaType && profile.SupportsContainer(item.Container))
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{
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containerSupported = true;
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videoSupported = videoStream is null || profile.SupportsVideoCodec(videoStream.Codec);
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audioSupported = audioStream is null || profile.SupportsAudioCodec(audioStream.Codec);
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if (videoSupported && audioSupported)
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{
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break;
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}
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}
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}
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TranscodeReason reasons = 0;
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if (!containerSupported)
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{
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reasons |= TranscodeReason.ContainerNotSupported;
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}
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if (!videoSupported)
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{
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reasons |= TranscodeReason.VideoCodecNotSupported;
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}
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if (!audioSupported)
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{
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reasons |= TranscodeReason.AudioCodecNotSupported;
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}
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return reasons;
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}
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private static int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
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{
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int highestScore = -1;
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|
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foreach (var stream in item.MediaStreams)
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{
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if (stream.Type == MediaStreamType.Subtitle
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&& stream.Score.HasValue
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&& stream.Score.Value > highestScore)
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{
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highestScore = stream.Score.Value;
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}
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}
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var topStreams = new List<MediaStream>();
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foreach (var stream in item.MediaStreams)
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{
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if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue && stream.Score.Value == highestScore)
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{
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topStreams.Add(stream);
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}
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}
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|
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// If multiple streams have an equal score, try to pick the most efficient one
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if (topStreams.Count > 1)
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{
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foreach (var stream in topStreams)
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{
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foreach (var profile in subtitleProfiles)
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{
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if (profile.Method == SubtitleDeliveryMethod.External && string.Equals(profile.Format, stream.Codec, StringComparison.OrdinalIgnoreCase))
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{
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return stream.Index;
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}
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}
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}
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}
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|
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// If no optimization panned out, just use the original default
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return item.DefaultSubtitleStreamIndex;
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}
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|
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private static void SetStreamInfoOptionsFromTranscodingProfile(MediaSourceInfo item, StreamInfo playlistItem, TranscodingProfile transcodingProfile)
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{
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var container = transcodingProfile.Container;
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var protocol = transcodingProfile.Protocol;
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|
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item.TranscodingContainer = container;
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item.TranscodingSubProtocol = protocol;
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|
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if (playlistItem.PlayMethod == PlayMethod.Transcode)
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{
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playlistItem.Container = container;
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playlistItem.SubProtocol = protocol;
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}
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|
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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
|
|
};
|
|
|
|
playlistItem.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;
|
|
playlistItem.AudioCodecs = new[] { item.GetMediaStream(MediaStreamType.Audio, audioStreamIndex.Value)?.Codec };
|
|
}
|
|
}
|
|
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 is null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 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 = transcodingProfile.VideoCodec;
|
|
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());
|
|
}
|
|
|
|
// 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());
|
|
|
|
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());
|
|
}
|
|
}
|
|
|
|
int? width = videoStream?.Width;
|
|
int? height = videoStream?.Height;
|
|
int? bitDepth = videoStream?.BitDepth;
|
|
int? videoBitrate = videoStream?.BitRate;
|
|
double? videoLevel = videoStream?.Level;
|
|
string? videoProfile = videoStream?.Profile;
|
|
string? 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(videoCodec, 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(audioCodec, 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;
|
|
string? 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.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;
|
|
}
|
|
}
|
|
}
|