1922 lines
80 KiB
C#
1922 lines
80 KiB
C#
#nullable disable
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#pragma warning disable CS1591
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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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public class StreamBuilder
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{
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private readonly ILogger _logger;
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private readonly ITranscoderSupport _transcoderSupport;
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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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public StreamBuilder(ILogger<StreamBuilder> logger)
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: this(new FullTranscoderSupport(), logger)
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{
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}
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public StreamInfo BuildAudioItem(AudioOptions options)
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{
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ValidateAudioInput(options);
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var mediaSources = new List<MediaSourceInfo>();
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foreach (MediaSourceInfo i in options.MediaSources)
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{
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if (string.IsNullOrEmpty(options.MediaSourceId) ||
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string.Equals(i.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
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{
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mediaSources.Add(i);
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}
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}
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var streams = new List<StreamInfo>();
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foreach (MediaSourceInfo i in mediaSources)
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{
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StreamInfo streamInfo = BuildAudioItem(i, options);
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if (streamInfo != 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 (StreamInfo 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(true) ?? 0);
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}
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public StreamInfo BuildVideoItem(VideoOptions options)
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{
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ValidateInput(options);
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var mediaSources = new List<MediaSourceInfo>();
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foreach (MediaSourceInfo i in options.MediaSources)
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{
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if (string.IsNullOrEmpty(options.MediaSourceId) ||
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string.Equals(i.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
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{
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mediaSources.Add(i);
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}
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}
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var streams = new List<StreamInfo>();
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foreach (MediaSourceInfo i in mediaSources)
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{
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var streamInfo = BuildVideoItem(i, options);
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if (streamInfo != 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 (StreamInfo 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 null;
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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 null;
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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 null;
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case ProfileConditionValue.NumVideoStreams:
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// TODO
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return null;
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case ProfileConditionValue.PacketLength:
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// TODO
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return null;
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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.VideoTimestamp:
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// TODO
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return null;
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case ProfileConditionValue.Width:
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return TranscodeReason.VideoResolutionNotSupported;
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default:
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return null;
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}
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}
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public static string NormalizeMediaSourceFormatIntoSingleContainer(string inputContainer, DeviceProfile profile, DlnaProfileType type)
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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 (formats.Length == 1)
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{
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return formats[0];
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}
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if (profile != null)
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{
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foreach (var format in formats)
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{
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foreach (var directPlayProfile in profile.DirectPlayProfiles)
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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 StreamInfo BuildAudioItem(MediaSourceInfo item, AudioOptions options)
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{
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StreamInfo 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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var audioStream = item.GetDefaultAudioStream(null);
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var directPlayInfo = GetAudioDirectPlayMethods(item, audioStream, options);
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var directPlayMethods = directPlayInfo.Item1;
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var transcodeReasons = directPlayInfo.Item2.ToList();
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int? inputAudioChannels = audioStream?.Channels;
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int? inputAudioBitrate = audioStream?.BitDepth;
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int? inputAudioSampleRate = audioStream?.SampleRate;
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int? inputAudioBitDepth = audioStream?.BitDepth;
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if (directPlayMethods.Any())
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{
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string audioCodec = audioStream?.Codec;
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// Make sure audio codec profiles are satisfied
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var conditions = new List<ProfileCondition>();
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foreach (var i in options.Profile.CodecProfiles)
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{
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if (i.Type == CodecType.Audio && i.ContainsAnyCodec(audioCodec, item.Container))
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{
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bool applyConditions = true;
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foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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if (!ConditionProcessor.IsAudioConditionSatisfied(applyCondition, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth))
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{
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LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
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applyConditions = false;
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break;
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}
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}
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if (applyConditions)
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{
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conditions.AddRange(i.Conditions);
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}
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}
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}
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bool all = true;
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foreach (ProfileCondition c in conditions)
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{
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if (!ConditionProcessor.IsAudioConditionSatisfied(c, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth))
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{
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LogConditionFailure(options.Profile, "AudioCodecProfile", c, item);
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var transcodeReason = GetTranscodeReasonForFailedCondition(c);
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if (transcodeReason.HasValue)
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{
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transcodeReasons.Add(transcodeReason.Value);
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}
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all = false;
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break;
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}
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}
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if (all)
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{
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if (directPlayMethods.Contains(PlayMethod.DirectStream))
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{
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playlistItem.PlayMethod = PlayMethod.DirectStream;
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}
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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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}
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TranscodingProfile transcodingProfile = null;
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foreach (var i in options.Profile.TranscodingProfiles)
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{
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if (i.Type == playlistItem.MediaType
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&& i.Context == options.Context
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&& _transcoderSupport.CanEncodeToAudioCodec(i.AudioCodec ?? i.Container))
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{
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transcodingProfile = i;
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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(playlistItem, transcodingProfile);
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var audioCodecProfiles = new List<CodecProfile>();
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foreach (var i in options.Profile.CodecProfiles)
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{
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if (i.Type == CodecType.Audio && i.ContainsAnyCodec(transcodingProfile.AudioCodec, transcodingProfile.Container))
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{
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audioCodecProfiles.Add(i);
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}
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if (audioCodecProfiles.Count >= 1)
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{
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break;
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}
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}
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var audioTranscodingConditions = new List<ProfileCondition>();
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foreach (var i in audioCodecProfiles)
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{
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bool applyConditions = true;
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foreach (var applyCondition in i.ApplyConditions)
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{
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if (!ConditionProcessor.IsAudioConditionSatisfied(applyCondition, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth))
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{
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LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
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applyConditions = false;
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break;
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}
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}
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if (applyConditions)
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{
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foreach (ProfileCondition c in i.Conditions)
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{
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audioTranscodingConditions.Add(c);
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}
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}
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}
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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.ToArray();
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return playlistItem;
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}
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private static long? GetBitrateForDirectPlayCheck(MediaSourceInfo item, AudioOptions options, bool isAudio)
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{
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if (item.Protocol == MediaProtocol.File)
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{
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return options.Profile.MaxStaticBitrate;
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}
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return options.GetMaxBitrate(isAudio);
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}
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private (IEnumerable<PlayMethod>, IEnumerable<TranscodeReason>) GetAudioDirectPlayMethods(MediaSourceInfo item, MediaStream audioStream, AudioOptions options)
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{
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DirectPlayProfile directPlayProfile = options.Profile.DirectPlayProfiles
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.FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(x, item, audioStream));
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if (directPlayProfile == 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 (Enumerable.Empty<PlayMethod>(), GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));
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}
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var playMethods = new List<PlayMethod>();
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var transcodeReasons = new List<TranscodeReason>();
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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 (IsAudioEligibleForDirectPlay(item, options.GetMaxBitrate(true) ?? 0, PlayMethod.DirectStream))
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{
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if (options.EnableDirectStream)
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{
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playMethods.Add(PlayMethod.DirectStream);
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}
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}
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else
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{
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transcodeReasons.Add(TranscodeReason.ContainerBitrateExceedsLimit);
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}
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}
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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 (IsAudioEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true) ?? 0, PlayMethod.DirectPlay))
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{
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if (options.EnableDirectPlay)
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{
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playMethods.Add(PlayMethod.DirectPlay);
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}
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}
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else
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{
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transcodeReasons.Add(TranscodeReason.ContainerBitrateExceedsLimit);
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}
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}
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if (playMethods.Count > 0)
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{
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transcodeReasons.Clear();
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}
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else
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{
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transcodeReasons = transcodeReasons.Distinct().ToList();
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}
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return (playMethods, transcodeReasons);
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}
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private static List<TranscodeReason> GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream, IEnumerable<DirectPlayProfile> directPlayProfiles)
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{
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var mediaType = videoStream == 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 != null && profile.SupportsVideoCodec(videoStream.Codec);
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audioSupported = audioStream != 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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var list = new List<TranscodeReason>();
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if (!containerSupported)
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{
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list.Add(TranscodeReason.ContainerNotSupported);
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}
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if (videoStream != null && !videoSupported)
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{
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list.Add(TranscodeReason.VideoCodecNotSupported);
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}
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if (audioStream != null && !audioSupported)
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{
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list.Add(TranscodeReason.AudioCodecNotSupported);
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}
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return list;
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}
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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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|
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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
|
|
if (topStreams.Count > 1)
|
|
{
|
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foreach (var stream in topStreams)
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{
|
|
foreach (var profile in subtitleProfiles)
|
|
{
|
|
if (profile.Method == SubtitleDeliveryMethod.External && string.Equals(profile.Format, stream.Codec, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return stream.Index;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If no optimization panned out, just use the original default
|
|
return item.DefaultSubtitleStreamIndex;
|
|
}
|
|
|
|
private static void SetStreamInfoOptionsFromTranscodingProfile(StreamInfo playlistItem, TranscodingProfile transcodingProfile)
|
|
{
|
|
if (string.IsNullOrEmpty(transcodingProfile.AudioCodec))
|
|
{
|
|
playlistItem.AudioCodecs = Array.Empty<string>();
|
|
}
|
|
else
|
|
{
|
|
playlistItem.AudioCodecs = transcodingProfile.AudioCodec.Split(',');
|
|
}
|
|
|
|
playlistItem.Container = transcodingProfile.Container;
|
|
playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
|
|
playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
|
|
|
|
if (string.IsNullOrEmpty(transcodingProfile.VideoCodec))
|
|
{
|
|
playlistItem.VideoCodecs = Array.Empty<string>();
|
|
}
|
|
else
|
|
{
|
|
playlistItem.VideoCodecs = transcodingProfile.VideoCodec.Split(',');
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
playlistItem.SubProtocol = transcodingProfile.Protocol;
|
|
|
|
if (!string.IsNullOrEmpty(transcodingProfile.MaxAudioChannels)
|
|
&& int.TryParse(transcodingProfile.MaxAudioChannels, NumberStyles.Any, CultureInfo.InvariantCulture, out int transcodingMaxAudioChannels))
|
|
{
|
|
playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
|
|
}
|
|
}
|
|
|
|
private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
|
|
{
|
|
if (item == null)
|
|
{
|
|
throw new ArgumentNullException(nameof(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 != null)
|
|
{
|
|
playlistItem.AudioStreamIndex = audioStream.Index;
|
|
}
|
|
|
|
var videoStream = item.VideoStream;
|
|
|
|
// TODO: This doesn't account for situations where the device is able to handle the media's bitrate, but the connection isn't fast enough
|
|
var directPlayEligibilityResult = IsEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true) ?? 0, subtitleStream, options, PlayMethod.DirectPlay);
|
|
var directStreamEligibilityResult = IsEligibleForDirectPlay(item, options.GetMaxBitrate(false) ?? 0, subtitleStream, options, PlayMethod.DirectStream);
|
|
bool isEligibleForDirectPlay = options.EnableDirectPlay && (options.ForceDirectPlay || directPlayEligibilityResult.Item1);
|
|
bool isEligibleForDirectStream = options.EnableDirectStream && (options.ForceDirectStream || directStreamEligibilityResult.Item1);
|
|
|
|
_logger.LogDebug(
|
|
"Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",
|
|
options.Profile.Name ?? "Unknown Profile",
|
|
item.Path ?? "Unknown path",
|
|
isEligibleForDirectPlay,
|
|
isEligibleForDirectStream);
|
|
|
|
var transcodeReasons = new List<TranscodeReason>();
|
|
|
|
if (isEligibleForDirectPlay || isEligibleForDirectStream)
|
|
{
|
|
// See if it can be direct played
|
|
var directPlayInfo = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, isEligibleForDirectStream);
|
|
var directPlay = directPlayInfo.Item1;
|
|
|
|
if (directPlay != null)
|
|
{
|
|
playlistItem.PlayMethod = directPlay.Value;
|
|
playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Video);
|
|
|
|
if (subtitleStream != null)
|
|
{
|
|
var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value, _transcoderSupport, item.Container, null);
|
|
|
|
playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
|
|
playlistItem.SubtitleFormat = subtitleProfile.Format;
|
|
}
|
|
|
|
return playlistItem;
|
|
}
|
|
|
|
transcodeReasons.AddRange(directPlayInfo.Item2);
|
|
}
|
|
|
|
if (directPlayEligibilityResult.Item2.HasValue)
|
|
{
|
|
transcodeReasons.Add(directPlayEligibilityResult.Item2.Value);
|
|
}
|
|
|
|
if (directStreamEligibilityResult.Item2.HasValue)
|
|
{
|
|
transcodeReasons.Add(directStreamEligibilityResult.Item2.Value);
|
|
}
|
|
|
|
// Can't direct play, find the transcoding profile
|
|
TranscodingProfile transcodingProfile = null;
|
|
foreach (var i in options.Profile.TranscodingProfiles)
|
|
{
|
|
if (i.Type == playlistItem.MediaType && i.Context == options.Context)
|
|
{
|
|
transcodingProfile = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (transcodingProfile != null)
|
|
{
|
|
if (!item.SupportsTranscoding)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
if (subtitleStream != 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 };
|
|
}
|
|
|
|
playlistItem.PlayMethod = PlayMethod.Transcode;
|
|
|
|
SetStreamInfoOptionsFromTranscodingProfile(playlistItem, transcodingProfile);
|
|
|
|
var isFirstAppliedCodecProfile = true;
|
|
foreach (var i in options.Profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.Video && i.ContainsAnyCodec(transcodingProfile.VideoCodec, transcodingProfile.Container))
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (ProfileCondition applyCondition in i.ApplyConditions)
|
|
{
|
|
int? width = videoStream?.Width;
|
|
int? height = videoStream?.Height;
|
|
int? bitDepth = videoStream?.BitDepth;
|
|
int? videoBitrate = videoStream?.BitRate;
|
|
double? videoLevel = videoStream?.Level;
|
|
string videoProfile = videoStream?.Profile;
|
|
float videoFramerate = videoStream == 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 == 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);
|
|
|
|
if (!ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc))
|
|
{
|
|
// LogConditionFailure(options.Profile, "VideoCodecProfile.ApplyConditions", applyCondition, item);
|
|
applyConditions = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (applyConditions)
|
|
{
|
|
var transcodingVideoCodecs = ContainerProfile.SplitValue(transcodingProfile.VideoCodec);
|
|
foreach (var transcodingVideoCodec in transcodingVideoCodecs)
|
|
{
|
|
if (i.ContainsAnyCodec(transcodingVideoCodec, transcodingProfile.Container))
|
|
{
|
|
ApplyTranscodingConditions(playlistItem, i.Conditions, transcodingVideoCodec, true, isFirstAppliedCodecProfile);
|
|
isFirstAppliedCodecProfile = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Honor requested max channels
|
|
playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
|
|
|
|
int audioBitrate = GetAudioBitrate(options.GetMaxBitrate(false) ?? 0, playlistItem.TargetAudioCodec, audioStream, playlistItem);
|
|
playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);
|
|
|
|
isFirstAppliedCodecProfile = true;
|
|
foreach (var i in options.Profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.VideoAudio && i.ContainsAnyCodec(transcodingProfile.AudioCodec, transcodingProfile.Container))
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (ProfileCondition applyCondition in i.ApplyConditions)
|
|
{
|
|
bool? isSecondaryAudio = audioStream == null ? null : item.IsSecondaryAudio(audioStream);
|
|
int? inputAudioBitrate = audioStream == null ? null : audioStream.BitRate;
|
|
int? audioChannels = audioStream == null ? null : audioStream.Channels;
|
|
string audioProfile = audioStream == null ? null : audioStream.Profile;
|
|
int? inputAudioSampleRate = audioStream == null ? null : audioStream.SampleRate;
|
|
int? inputAudioBitDepth = audioStream == null ? null : audioStream.BitDepth;
|
|
|
|
if (!ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, audioProfile, isSecondaryAudio))
|
|
{
|
|
// LogConditionFailure(options.Profile, "VideoCodecProfile.ApplyConditions", applyCondition, item);
|
|
applyConditions = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (applyConditions)
|
|
{
|
|
var transcodingAudioCodecs = ContainerProfile.SplitValue(transcodingProfile.AudioCodec);
|
|
foreach (var transcodingAudioCodec in transcodingAudioCodecs)
|
|
{
|
|
if (i.ContainsAnyCodec(transcodingAudioCodec, transcodingProfile.Container))
|
|
{
|
|
ApplyTranscodingConditions(playlistItem, i.Conditions, transcodingAudioCodec, true, isFirstAppliedCodecProfile);
|
|
isFirstAppliedCodecProfile = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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
|
|
long currentValue = playlistItem.VideoBitrate ?? availableBitrateForVideo;
|
|
var longBitrate = Math.Max(Math.Min(availableBitrateForVideo, currentValue), 64000);
|
|
playlistItem.VideoBitrate = longBitrate >= int.MaxValue ? int.MaxValue : Convert.ToInt32(longBitrate);
|
|
}
|
|
}
|
|
|
|
playlistItem.TranscodeReasons = transcodeReasons.ToArray();
|
|
|
|
return playlistItem;
|
|
}
|
|
|
|
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 == 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 != 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;
|
|
}
|
|
else if (totalBitrate <= 2000000)
|
|
{
|
|
return 384000;
|
|
}
|
|
else if (totalBitrate <= 3000000)
|
|
{
|
|
return 448000;
|
|
}
|
|
else if (totalBitrate <= 4000000)
|
|
{
|
|
return 640000;
|
|
}
|
|
else if (totalBitrate <= 5000000)
|
|
{
|
|
return 768000;
|
|
}
|
|
else if (totalBitrate <= 10000000)
|
|
{
|
|
return 1536000;
|
|
}
|
|
else if (totalBitrate <= 15000000)
|
|
{
|
|
return 2304000;
|
|
}
|
|
else if (totalBitrate <= 20000000)
|
|
{
|
|
return 3584000;
|
|
}
|
|
|
|
return 7168000;
|
|
}
|
|
|
|
private (PlayMethod?, List<TranscodeReason>) GetVideoDirectPlayProfile(
|
|
VideoOptions options,
|
|
MediaSourceInfo mediaSource,
|
|
MediaStream videoStream,
|
|
MediaStream audioStream,
|
|
bool isEligibleForDirectStream)
|
|
{
|
|
if (options.ForceDirectPlay)
|
|
{
|
|
return (PlayMethod.DirectPlay, new List<TranscodeReason>());
|
|
}
|
|
|
|
if (options.ForceDirectStream)
|
|
{
|
|
return (PlayMethod.DirectStream, new List<TranscodeReason>());
|
|
}
|
|
|
|
DeviceProfile profile = options.Profile;
|
|
string container = mediaSource.Container;
|
|
|
|
// See if it can be direct played
|
|
DirectPlayProfile directPlay = null;
|
|
foreach (var p in profile.DirectPlayProfiles)
|
|
{
|
|
if (p.Type == DlnaProfileType.Video && IsVideoDirectPlaySupported(p, container, videoStream, audioStream))
|
|
{
|
|
directPlay = p;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (directPlay == null)
|
|
{
|
|
_logger.LogDebug(
|
|
"Container: {Container}, Video: {Video}, Audio: {Audio} cannot be direct played by profile: {Profile} for path: {Path}",
|
|
container,
|
|
videoStream?.Codec ?? "no video",
|
|
audioStream?.Codec ?? "no audio",
|
|
profile.Name ?? "unknown profile",
|
|
mediaSource.Path ?? "unknown path");
|
|
|
|
return (null, GetTranscodeReasonsFromDirectPlayProfile(mediaSource, videoStream, audioStream, profile.DirectPlayProfiles));
|
|
}
|
|
|
|
var conditions = new List<ProfileCondition>();
|
|
foreach (var p in profile.ContainerProfiles)
|
|
{
|
|
if (p.Type == DlnaProfileType.Video
|
|
&& p.ContainsContainer(container))
|
|
{
|
|
foreach (var c in p.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
int? width = videoStream?.Width;
|
|
int? height = videoStream?.Height;
|
|
int? bitDepth = videoStream?.BitDepth;
|
|
int? videoBitrate = videoStream?.BitRate;
|
|
double? videoLevel = videoStream?.Level;
|
|
string videoProfile = videoStream?.Profile;
|
|
float videoFramerate = videoStream == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
|
|
bool? isAnamorphic = videoStream?.IsAnamorphic;
|
|
bool? isInterlaced = videoStream?.IsInterlaced;
|
|
string videoCodecTag = videoStream?.CodecTag;
|
|
bool? isAvc = videoStream?.IsAVC;
|
|
|
|
int? audioBitrate = audioStream?.BitRate;
|
|
int? audioChannels = audioStream?.Channels;
|
|
string audioProfile = audioStream?.Profile;
|
|
int? audioSampleRate = audioStream?.SampleRate;
|
|
int? audioBitDepth = audioStream?.BitDepth;
|
|
|
|
TransportStreamTimestamp? timestamp = videoStream == 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);
|
|
|
|
// Check container conditions
|
|
foreach (ProfileCondition i in conditions)
|
|
{
|
|
if (!ConditionProcessor.IsVideoConditionSatisfied(i, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc))
|
|
{
|
|
LogConditionFailure(profile, "VideoContainerProfile", i, mediaSource);
|
|
|
|
var transcodeReason = GetTranscodeReasonForFailedCondition(i);
|
|
var transcodeReasons = transcodeReason.HasValue
|
|
? new List<TranscodeReason> { transcodeReason.Value }
|
|
: new List<TranscodeReason>();
|
|
|
|
return (null, transcodeReasons);
|
|
}
|
|
}
|
|
|
|
string videoCodec = videoStream?.Codec;
|
|
|
|
conditions = new List<ProfileCondition>();
|
|
foreach (var i in profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.Video && i.ContainsAnyCodec(videoCodec, container))
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (ProfileCondition applyCondition in i.ApplyConditions)
|
|
{
|
|
if (!ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc))
|
|
{
|
|
// LogConditionFailure(profile, "VideoCodecProfile.ApplyConditions", applyCondition, mediaSource);
|
|
applyConditions = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (applyConditions)
|
|
{
|
|
foreach (ProfileCondition c in i.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (ProfileCondition i in conditions)
|
|
{
|
|
if (!ConditionProcessor.IsVideoConditionSatisfied(i, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, isInterlaced, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc))
|
|
{
|
|
LogConditionFailure(profile, "VideoCodecProfile", i, mediaSource);
|
|
|
|
var transcodeReason = GetTranscodeReasonForFailedCondition(i);
|
|
var transcodeReasons = transcodeReason.HasValue
|
|
? new List<TranscodeReason> { transcodeReason.Value }
|
|
: new List<TranscodeReason>();
|
|
|
|
return (null, transcodeReasons);
|
|
}
|
|
}
|
|
|
|
if (audioStream != null)
|
|
{
|
|
string audioCodec = audioStream.Codec;
|
|
conditions = new List<ProfileCondition>();
|
|
bool? isSecondaryAudio = mediaSource.IsSecondaryAudio(audioStream);
|
|
|
|
foreach (var i in profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.VideoAudio && i.ContainsAnyCodec(audioCodec, container))
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (ProfileCondition applyCondition in i.ApplyConditions)
|
|
{
|
|
if (!ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio))
|
|
{
|
|
// LogConditionFailure(profile, "VideoAudioCodecProfile.ApplyConditions", applyCondition, mediaSource);
|
|
applyConditions = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (applyConditions)
|
|
{
|
|
foreach (ProfileCondition c in i.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (ProfileCondition i in conditions)
|
|
{
|
|
if (!ConditionProcessor.IsVideoAudioConditionSatisfied(i, audioChannels, audioBitrate, audioSampleRate, audioBitDepth, audioProfile, isSecondaryAudio))
|
|
{
|
|
LogConditionFailure(profile, "VideoAudioCodecProfile", i, mediaSource);
|
|
|
|
var transcodeReason = GetTranscodeReasonForFailedCondition(i);
|
|
var transcodeReasons = transcodeReason.HasValue
|
|
? new List<TranscodeReason> { transcodeReason.Value }
|
|
: new List<TranscodeReason>();
|
|
|
|
return (null, transcodeReasons);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isEligibleForDirectStream && mediaSource.SupportsDirectStream)
|
|
{
|
|
return (PlayMethod.DirectStream, new List<TranscodeReason>());
|
|
}
|
|
|
|
return (null, new List<TranscodeReason> { TranscodeReason.ContainerBitrateExceedsLimit });
|
|
}
|
|
|
|
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");
|
|
}
|
|
|
|
private (bool directPlay, TranscodeReason? reason) IsEligibleForDirectPlay(
|
|
MediaSourceInfo item,
|
|
long maxBitrate,
|
|
MediaStream subtitleStream,
|
|
VideoOptions options,
|
|
PlayMethod playMethod)
|
|
{
|
|
if (subtitleStream != null)
|
|
{
|
|
var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, playMethod, _transcoderSupport, item.Container, null);
|
|
|
|
if (subtitleProfile.Method != SubtitleDeliveryMethod.External && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
|
|
{
|
|
_logger.LogDebug("Not eligible for {0} due to unsupported subtitles", playMethod);
|
|
return (false, TranscodeReason.SubtitleCodecNotSupported);
|
|
}
|
|
}
|
|
|
|
bool result = IsAudioEligibleForDirectPlay(item, maxBitrate, playMethod);
|
|
|
|
return (result, result ? null : TranscodeReason.ContainerBitrateExceedsLimit);
|
|
}
|
|
|
|
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;
|
|
}
|
|
else 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 IsAudioEligibleForDirectPlay(MediaSourceInfo item, long maxBitrate, PlayMethod playMethod)
|
|
{
|
|
// Don't restrict by bitrate if coming from an external domain
|
|
if (item.IsRemote)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
long requestedMaxBitrate = maxBitrate > 0 ? maxBitrate : 1000000;
|
|
|
|
// If we don't know the 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 {PlayBackMethod} limit: media bitrate: {MediaBitrate}, max bitrate: {MaxBitrate}",
|
|
playMethod,
|
|
itemBitrate,
|
|
requestedMaxBitrate);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private static void ValidateInput(VideoOptions options)
|
|
{
|
|
ValidateAudioInput(options);
|
|
|
|
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 void ValidateAudioInput(AudioOptions options)
|
|
{
|
|
if (options.ItemId.Equals(Guid.Empty))
|
|
{
|
|
throw new ArgumentException("ItemId is required");
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(options.DeviceId))
|
|
{
|
|
throw new ArgumentException("DeviceId is required");
|
|
}
|
|
|
|
if (options.Profile == null)
|
|
{
|
|
throw new ArgumentException("Profile is required");
|
|
}
|
|
|
|
if (options.MediaSources == null)
|
|
{
|
|
throw new ArgumentException("MediaSources is required");
|
|
}
|
|
}
|
|
|
|
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, NumberStyles.Any, 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, NumberStyles.Any, 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, NumberStyles.Any, 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, NumberStyles.Any, 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, NumberStyles.Any, 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 || condition.Condition == ProfileConditionType.EqualsAny)
|
|
{
|
|
item.SetOption(qualifier, "profile", string.Join(',', values));
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case ProfileConditionValue.Height:
|
|
{
|
|
if (!enableNonQualifiedConditions)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (int.TryParse(value, NumberStyles.Any, 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, NumberStyles.Any, 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, NumberStyles.Any, 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, NumberStyles.Any, 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, NumberStyles.Any, 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;
|
|
}
|
|
|
|
private bool IsVideoDirectPlaySupported(DirectPlayProfile profile, string container, MediaStream videoStream, MediaStream audioStream)
|
|
{
|
|
// Check container type
|
|
if (!profile.SupportsContainer(container))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Check video codec
|
|
string videoCodec = videoStream?.Codec;
|
|
if (!profile.SupportsVideoCodec(videoCodec))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Check audio codec
|
|
if (audioStream != null && !profile.SupportsAudioCodec(audioStream.Codec))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|