mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-07-05 21:33:02 +02:00
5e779f20ee
Issue: https://github.com/jellyfin/jellyfin/issues/6450 Enable DirectPlay responses Rewrite DirectPlay and DirectStream resolution Prefer copy transcode video codec options Enhance condition processor Support DirectStream and Transcode with parity Rework audio stream selection and add tests for ExternalAudio Update MediaInfoHelper to only call StreamBuilder once
1998 lines
89 KiB
C#
1998 lines
89 KiB
C#
#nullable disable
|
|
#pragma warning disable CS1591
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Linq;
|
|
using MediaBrowser.Model.Dto;
|
|
using MediaBrowser.Model.Entities;
|
|
using MediaBrowser.Model.MediaInfo;
|
|
using MediaBrowser.Model.Session;
|
|
using Microsoft.Extensions.Logging;
|
|
|
|
namespace MediaBrowser.Model.Dlna
|
|
{
|
|
public class StreamBuilder
|
|
{
|
|
// Aliases
|
|
internal const TranscodeReason ContainerReasons = TranscodeReason.ContainerNotSupported | TranscodeReason.ContainerBitrateExceedsLimit;
|
|
internal const TranscodeReason AudioReasons = TranscodeReason.AudioCodecNotSupported | TranscodeReason.AudioBitrateNotSupported | TranscodeReason.AudioChannelsNotSupported | TranscodeReason.AudioProfileNotSupported | TranscodeReason.AudioSampleRateNotSupported | TranscodeReason.SecondaryAudioNotSupported | TranscodeReason.AudioBitDepthNotSupported | TranscodeReason.AudioIsExternal;
|
|
internal const TranscodeReason VideoReasons = TranscodeReason.VideoCodecNotSupported | TranscodeReason.VideoResolutionNotSupported | TranscodeReason.AnamorphicVideoNotSupported | TranscodeReason.InterlacedVideoNotSupported | TranscodeReason.VideoBitDepthNotSupported | TranscodeReason.VideoBitrateNotSupported | TranscodeReason.VideoFramerateNotSupported | TranscodeReason.VideoLevelNotSupported | TranscodeReason.RefFramesNotSupported;
|
|
internal const TranscodeReason DirectStreamReasons = AudioReasons | TranscodeReason.ContainerNotSupported;
|
|
|
|
private readonly ILogger _logger;
|
|
private readonly ITranscoderSupport _transcoderSupport;
|
|
|
|
public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)
|
|
{
|
|
_transcoderSupport = transcoderSupport;
|
|
_logger = logger;
|
|
}
|
|
|
|
public StreamBuilder(ILogger<StreamBuilder> logger)
|
|
: this(new FullTranscoderSupport(), logger)
|
|
{
|
|
}
|
|
|
|
public StreamInfo BuildAudioItem(AudioOptions options)
|
|
{
|
|
ValidateAudioInput(options);
|
|
|
|
var mediaSources = new List<MediaSourceInfo>();
|
|
foreach (MediaSourceInfo i in options.MediaSources)
|
|
{
|
|
if (string.IsNullOrEmpty(options.MediaSourceId) ||
|
|
string.Equals(i.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
mediaSources.Add(i);
|
|
}
|
|
}
|
|
|
|
var streams = new List<StreamInfo>();
|
|
foreach (MediaSourceInfo i in mediaSources)
|
|
{
|
|
StreamInfo streamInfo = BuildAudioItem(i, options);
|
|
if (streamInfo != null)
|
|
{
|
|
streams.Add(streamInfo);
|
|
}
|
|
}
|
|
|
|
foreach (StreamInfo stream in streams)
|
|
{
|
|
stream.DeviceId = options.DeviceId;
|
|
stream.DeviceProfileId = options.Profile.Id;
|
|
}
|
|
|
|
return GetOptimalStream(streams, options.GetMaxBitrate(true) ?? 0);
|
|
}
|
|
|
|
public StreamInfo BuildVideoItem(VideoOptions options)
|
|
{
|
|
ValidateInput(options);
|
|
|
|
var mediaSources = new List<MediaSourceInfo>();
|
|
foreach (MediaSourceInfo i in options.MediaSources)
|
|
{
|
|
if (string.IsNullOrEmpty(options.MediaSourceId) ||
|
|
string.Equals(i.Id, options.MediaSourceId, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
mediaSources.Add(i);
|
|
}
|
|
}
|
|
|
|
var streams = new List<StreamInfo>();
|
|
foreach (MediaSourceInfo i in mediaSources)
|
|
{
|
|
var streamInfo = BuildVideoItem(i, options);
|
|
if (streamInfo != null)
|
|
{
|
|
streams.Add(streamInfo);
|
|
}
|
|
}
|
|
|
|
foreach (StreamInfo stream in streams)
|
|
{
|
|
stream.DeviceId = options.DeviceId;
|
|
stream.DeviceProfileId = options.Profile.Id;
|
|
}
|
|
|
|
return GetOptimalStream(streams, options.GetMaxBitrate(false) ?? 0);
|
|
}
|
|
|
|
private static StreamInfo GetOptimalStream(List<StreamInfo> streams, long maxBitrate)
|
|
=> SortMediaSources(streams, maxBitrate).FirstOrDefault();
|
|
|
|
private static IOrderedEnumerable<StreamInfo> SortMediaSources(List<StreamInfo> streams, long maxBitrate)
|
|
{
|
|
return streams.OrderBy(i =>
|
|
{
|
|
// Nothing beats direct playing a file
|
|
if (i.PlayMethod == PlayMethod.DirectPlay && i.MediaSource.Protocol == MediaProtocol.File)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}).ThenBy(i =>
|
|
{
|
|
switch (i.PlayMethod)
|
|
{
|
|
// Let's assume direct streaming a file is just as desirable as direct playing a remote url
|
|
case PlayMethod.DirectStream:
|
|
case PlayMethod.DirectPlay:
|
|
return 0;
|
|
default:
|
|
return 1;
|
|
}
|
|
}).ThenBy(i =>
|
|
{
|
|
switch (i.MediaSource.Protocol)
|
|
{
|
|
case MediaProtocol.File:
|
|
return 0;
|
|
default:
|
|
return 1;
|
|
}
|
|
}).ThenBy(i =>
|
|
{
|
|
if (maxBitrate > 0)
|
|
{
|
|
if (i.MediaSource.Bitrate.HasValue)
|
|
{
|
|
return Math.Abs(i.MediaSource.Bitrate.Value - maxBitrate);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}).ThenBy(streams.IndexOf);
|
|
}
|
|
|
|
private static TranscodeReason GetTranscodeReasonForFailedCondition(ProfileCondition condition)
|
|
{
|
|
switch (condition.Property)
|
|
{
|
|
case ProfileConditionValue.AudioBitrate:
|
|
return TranscodeReason.AudioBitrateNotSupported;
|
|
|
|
case ProfileConditionValue.AudioChannels:
|
|
return TranscodeReason.AudioChannelsNotSupported;
|
|
|
|
case ProfileConditionValue.AudioProfile:
|
|
return TranscodeReason.AudioProfileNotSupported;
|
|
|
|
case ProfileConditionValue.AudioSampleRate:
|
|
return TranscodeReason.AudioSampleRateNotSupported;
|
|
|
|
case ProfileConditionValue.Has64BitOffsets:
|
|
// TODO
|
|
return TranscodeReason.None;
|
|
|
|
case ProfileConditionValue.Height:
|
|
return TranscodeReason.VideoResolutionNotSupported;
|
|
|
|
case ProfileConditionValue.IsAnamorphic:
|
|
return TranscodeReason.AnamorphicVideoNotSupported;
|
|
|
|
case ProfileConditionValue.IsAvc:
|
|
// TODO
|
|
return TranscodeReason.None;
|
|
|
|
case ProfileConditionValue.IsInterlaced:
|
|
return TranscodeReason.InterlacedVideoNotSupported;
|
|
|
|
case ProfileConditionValue.IsSecondaryAudio:
|
|
return TranscodeReason.SecondaryAudioNotSupported;
|
|
|
|
case ProfileConditionValue.NumAudioStreams:
|
|
// TODO
|
|
return TranscodeReason.None;
|
|
|
|
case ProfileConditionValue.NumVideoStreams:
|
|
// TODO
|
|
return TranscodeReason.None;
|
|
|
|
case ProfileConditionValue.PacketLength:
|
|
// TODO
|
|
return TranscodeReason.None;
|
|
|
|
case ProfileConditionValue.RefFrames:
|
|
return TranscodeReason.RefFramesNotSupported;
|
|
|
|
case ProfileConditionValue.VideoBitDepth:
|
|
return TranscodeReason.VideoBitDepthNotSupported;
|
|
|
|
case ProfileConditionValue.AudioBitDepth:
|
|
return TranscodeReason.AudioBitDepthNotSupported;
|
|
|
|
case ProfileConditionValue.VideoBitrate:
|
|
return TranscodeReason.VideoBitrateNotSupported;
|
|
|
|
case ProfileConditionValue.VideoCodecTag:
|
|
return TranscodeReason.VideoCodecNotSupported;
|
|
|
|
case ProfileConditionValue.VideoFramerate:
|
|
return TranscodeReason.VideoFramerateNotSupported;
|
|
|
|
case ProfileConditionValue.VideoLevel:
|
|
return TranscodeReason.VideoLevelNotSupported;
|
|
|
|
case ProfileConditionValue.VideoProfile:
|
|
return TranscodeReason.VideoProfileNotSupported;
|
|
|
|
case ProfileConditionValue.VideoTimestamp:
|
|
// TODO
|
|
return TranscodeReason.None;
|
|
|
|
case ProfileConditionValue.Width:
|
|
return TranscodeReason.VideoResolutionNotSupported;
|
|
|
|
default:
|
|
return TranscodeReason.None;
|
|
}
|
|
}
|
|
|
|
public static string NormalizeMediaSourceFormatIntoSingleContainer(string inputContainer, DeviceProfile profile, DlnaProfileType type, DirectPlayProfile playProfile = null)
|
|
{
|
|
if (string.IsNullOrEmpty(inputContainer))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var formats = ContainerProfile.SplitValue(inputContainer);
|
|
|
|
if (profile != null)
|
|
{
|
|
var playProfiles = playProfile == null ? profile.DirectPlayProfiles : new[] { playProfile };
|
|
foreach (var format in formats)
|
|
{
|
|
foreach (var directPlayProfile in playProfiles)
|
|
{
|
|
if (directPlayProfile.Type == type
|
|
&& directPlayProfile.SupportsContainer(format))
|
|
{
|
|
return format;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return formats[0];
|
|
}
|
|
|
|
private StreamInfo BuildAudioItem(MediaSourceInfo item, AudioOptions options)
|
|
{
|
|
StreamInfo playlistItem = new StreamInfo
|
|
{
|
|
ItemId = options.ItemId,
|
|
MediaType = DlnaProfileType.Audio,
|
|
MediaSource = item,
|
|
RunTimeTicks = item.RunTimeTicks,
|
|
Context = options.Context,
|
|
DeviceProfile = options.Profile
|
|
};
|
|
|
|
if (options.ForceDirectPlay)
|
|
{
|
|
playlistItem.PlayMethod = PlayMethod.DirectPlay;
|
|
playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);
|
|
return playlistItem;
|
|
}
|
|
|
|
if (options.ForceDirectStream)
|
|
{
|
|
playlistItem.PlayMethod = PlayMethod.DirectStream;
|
|
playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio);
|
|
return playlistItem;
|
|
}
|
|
|
|
var audioStream = item.GetDefaultAudioStream(null);
|
|
|
|
var directPlayInfo = GetAudioDirectPlayProfile(item, audioStream, options);
|
|
|
|
var directPlayMethod = directPlayInfo.PlayMethod;
|
|
var transcodeReasons = directPlayInfo.TranscodeReasons;
|
|
|
|
int? inputAudioChannels = audioStream?.Channels;
|
|
int? inputAudioBitrate = audioStream?.BitDepth;
|
|
int? inputAudioSampleRate = audioStream?.SampleRate;
|
|
int? inputAudioBitDepth = audioStream?.BitDepth;
|
|
|
|
if (directPlayMethod.HasValue)
|
|
{
|
|
var profile = options.Profile;
|
|
var audioFailureConditions = GetProfileConditionsForAudio(profile.CodecProfiles, item.Container, audioStream?.Codec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, true);
|
|
var audioFailureReasons = AggregateFailureConditions(item, profile, "AudioCodecProfile", audioFailureConditions);
|
|
transcodeReasons |= audioFailureReasons;
|
|
|
|
if (audioFailureReasons == TranscodeReason.None)
|
|
{
|
|
playlistItem.PlayMethod = directPlayMethod.Value;
|
|
playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, options.Profile, DlnaProfileType.Audio, directPlayInfo.Profile);
|
|
|
|
return playlistItem;
|
|
}
|
|
}
|
|
|
|
TranscodingProfile transcodingProfile = null;
|
|
foreach (var i in options.Profile.TranscodingProfiles)
|
|
{
|
|
if (i.Type == playlistItem.MediaType
|
|
&& i.Context == options.Context
|
|
&& _transcoderSupport.CanEncodeToAudioCodec(i.AudioCodec ?? i.Container))
|
|
{
|
|
transcodingProfile = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (transcodingProfile != null)
|
|
{
|
|
if (!item.SupportsTranscoding)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
|
|
|
|
var audioTranscodingConditions = GetProfileConditionsForAudio(options.Profile.CodecProfiles, transcodingProfile.Container, transcodingProfile.AudioCodec, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, false).ToArray();
|
|
ApplyTranscodingConditions(playlistItem, audioTranscodingConditions, null, true, true);
|
|
|
|
// Honor requested max channels
|
|
playlistItem.GlobalMaxAudioChannels = options.MaxAudioChannels;
|
|
|
|
var configuredBitrate = options.GetMaxBitrate(true);
|
|
|
|
long transcodingBitrate = options.AudioTranscodingBitrate ??
|
|
(options.Context == EncodingContext.Streaming ? options.Profile.MusicStreamingTranscodingBitrate : null) ??
|
|
configuredBitrate ??
|
|
128000;
|
|
|
|
if (configuredBitrate.HasValue)
|
|
{
|
|
transcodingBitrate = Math.Min(configuredBitrate.Value, transcodingBitrate);
|
|
}
|
|
|
|
var longBitrate = Math.Min(transcodingBitrate, playlistItem.AudioBitrate ?? transcodingBitrate);
|
|
playlistItem.AudioBitrate = longBitrate > int.MaxValue ? int.MaxValue : Convert.ToInt32(longBitrate);
|
|
}
|
|
|
|
playlistItem.TranscodeReasons = transcodeReasons;
|
|
return playlistItem;
|
|
}
|
|
|
|
private static long? GetBitrateForDirectPlayCheck(MediaSourceInfo item, AudioOptions options, bool isAudio)
|
|
{
|
|
if (item.Protocol == MediaProtocol.File)
|
|
{
|
|
return options.Profile.MaxStaticBitrate;
|
|
}
|
|
|
|
return options.GetMaxBitrate(isAudio);
|
|
}
|
|
|
|
private (DirectPlayProfile Profile, PlayMethod? PlayMethod, TranscodeReason TranscodeReasons) GetAudioDirectPlayProfile(MediaSourceInfo item, MediaStream audioStream, AudioOptions options)
|
|
{
|
|
var directPlayProfile = options.Profile.DirectPlayProfiles
|
|
.FirstOrDefault(x => x.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(x, item, audioStream));
|
|
|
|
if (directPlayProfile == null)
|
|
{
|
|
_logger.LogDebug(
|
|
"Profile: {0}, No audio direct play profiles found for {1} with codec {2}",
|
|
options.Profile.Name ?? "Unknown Profile",
|
|
item.Path ?? "Unknown path",
|
|
audioStream.Codec ?? "Unknown codec");
|
|
|
|
return (null, null, GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));
|
|
}
|
|
|
|
var playMethods = new List<PlayMethod>();
|
|
var transcodeReasons = TranscodeReason.None;
|
|
|
|
// The profile describes what the device supports
|
|
// If device requirements are satisfied then allow both direct stream and direct play
|
|
if (item.SupportsDirectPlay)
|
|
{
|
|
if (IsItemBitrateEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true) ?? 0, PlayMethod.DirectPlay))
|
|
{
|
|
if (options.EnableDirectPlay)
|
|
{
|
|
return (directPlayProfile, PlayMethod.DirectPlay, TranscodeReason.None);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
|
|
}
|
|
}
|
|
|
|
// While options takes the network and other factors into account. Only applies to direct stream
|
|
if (item.SupportsDirectStream)
|
|
{
|
|
if (IsItemBitrateEligibleForDirectPlay(item, options.GetMaxBitrate(true) ?? 0, PlayMethod.DirectStream))
|
|
{
|
|
if (options.EnableDirectStream)
|
|
{
|
|
return (directPlayProfile, PlayMethod.DirectStream, transcodeReasons);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
transcodeReasons |= TranscodeReason.ContainerBitrateExceedsLimit;
|
|
}
|
|
}
|
|
|
|
return (directPlayProfile, null, transcodeReasons);
|
|
}
|
|
|
|
private static TranscodeReason GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream, IEnumerable<DirectPlayProfile> directPlayProfiles)
|
|
{
|
|
var mediaType = videoStream == null ? DlnaProfileType.Audio : DlnaProfileType.Video;
|
|
|
|
var containerSupported = false;
|
|
var audioSupported = false;
|
|
var videoSupported = false;
|
|
var reasons = TranscodeReason.None;
|
|
|
|
foreach (var profile in directPlayProfiles)
|
|
{
|
|
// Check container type
|
|
if (profile.Type == mediaType && profile.SupportsContainer(item.Container))
|
|
{
|
|
containerSupported = true;
|
|
|
|
videoSupported = videoStream != null && profile.SupportsVideoCodec(videoStream.Codec);
|
|
|
|
audioSupported = audioStream != null && profile.SupportsAudioCodec(audioStream.Codec);
|
|
|
|
if (videoSupported && audioSupported)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
var list = new List<TranscodeReason>();
|
|
if (!containerSupported)
|
|
{
|
|
reasons |= TranscodeReason.ContainerNotSupported;
|
|
}
|
|
|
|
if (videoStream != null && !videoSupported)
|
|
{
|
|
reasons |= TranscodeReason.VideoCodecNotSupported;
|
|
}
|
|
|
|
if (audioStream != null && !audioSupported)
|
|
{
|
|
reasons |= TranscodeReason.AudioCodecNotSupported;
|
|
}
|
|
|
|
return reasons;
|
|
}
|
|
|
|
private static int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
|
|
{
|
|
int highestScore = -1;
|
|
|
|
foreach (var stream in item.MediaStreams)
|
|
{
|
|
if (stream.Type == MediaStreamType.Subtitle
|
|
&& stream.Score.HasValue
|
|
&& stream.Score.Value > highestScore)
|
|
{
|
|
highestScore = stream.Score.Value;
|
|
}
|
|
}
|
|
|
|
var topStreams = new List<MediaStream>();
|
|
foreach (var stream in item.MediaStreams)
|
|
{
|
|
if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue && stream.Score.Value == highestScore)
|
|
{
|
|
topStreams.Add(stream);
|
|
}
|
|
}
|
|
|
|
// If multiple streams have an equal score, try to pick the most efficient one
|
|
if (topStreams.Count > 1)
|
|
{
|
|
foreach (var stream in topStreams)
|
|
{
|
|
foreach (var profile in subtitleProfiles)
|
|
{
|
|
if (profile.Method == SubtitleDeliveryMethod.External && string.Equals(profile.Format, stream.Codec, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return stream.Index;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If no optimization panned out, just use the original default
|
|
return item.DefaultSubtitleStreamIndex;
|
|
}
|
|
|
|
private static void SetStreamInfoOptionsFromTranscodingProfile(MediaSourceInfo item, StreamInfo playlistItem, TranscodingProfile transcodingProfile)
|
|
{
|
|
var container = transcodingProfile.Container;
|
|
var protocol = transcodingProfile.Protocol;
|
|
|
|
item.TranscodingContainer = container;
|
|
item.TranscodingSubProtocol = protocol;
|
|
|
|
if (playlistItem.PlayMethod == PlayMethod.Transcode)
|
|
{
|
|
playlistItem.Container = container;
|
|
playlistItem.SubProtocol = protocol;
|
|
}
|
|
|
|
playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
|
|
if (!string.IsNullOrEmpty(transcodingProfile.MaxAudioChannels)
|
|
&& int.TryParse(transcodingProfile.MaxAudioChannels, NumberStyles.Any, 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(VideoOptions 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, 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;
|
|
}
|
|
|
|
// Collect candidate audio streams
|
|
IEnumerable<MediaStream> candidateAudioStreams = audioStream == 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);
|
|
}
|
|
else
|
|
{
|
|
candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.Language == audioStream?.Language);
|
|
}
|
|
}
|
|
|
|
candidateAudioStreams = candidateAudioStreams.ToArray();
|
|
|
|
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, options, PlayMethod.DirectPlay);
|
|
var directStreamEligibilityResult = IsEligibleForDirectPlay(item, options.GetMaxBitrate(false) ?? 0, options, PlayMethod.DirectStream);
|
|
bool isEligibleForDirectPlay = options.EnableDirectPlay && (options.ForceDirectPlay || directPlayEligibilityResult == TranscodeReason.None);
|
|
bool isEligibleForDirectStream = options.EnableDirectStream && (options.ForceDirectStream || directPlayEligibilityResult == TranscodeReason.None);
|
|
var transcodeReasons = directPlayEligibilityResult | directStreamEligibilityResult;
|
|
|
|
_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 != null)
|
|
{
|
|
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 != 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 != null)
|
|
{
|
|
var subtitleProfile = GetSubtitleProfile(item, subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value, _transcoderSupport, directPlayProfile.Container, null);
|
|
|
|
playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
|
|
playlistItem.SubtitleFormat = subtitleProfile.Format;
|
|
}
|
|
}
|
|
|
|
_logger.LogInformation(
|
|
"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 || !options.EnableDirectStream)
|
|
{
|
|
// 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 != null)
|
|
{
|
|
SetStreamInfoOptionsFromTranscodingProfile(item, playlistItem, transcodingProfile);
|
|
|
|
BuildStreamVideoItem(playlistItem, options, item, videoStream, audioStream, candidateAudioStreams, transcodingProfile.Container, transcodingProfile.VideoCodec, transcodingProfile.AudioCodec);
|
|
|
|
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 };
|
|
}
|
|
|
|
if (playlistItem.PlayMethod != PlayMethod.DirectPlay)
|
|
{
|
|
playlistItem.PlayMethod = PlayMethod.Transcode;
|
|
}
|
|
}
|
|
}
|
|
|
|
_logger.LogInformation(
|
|
"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, VideoOptions 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 == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
|
|
TransportStreamTimestamp? timestamp = videoStream == 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);
|
|
var match = ContainerProfile.ContainsContainer(videoCodecs, item.VideoStream.Codec) &&
|
|
options.Profile.CodecProfiles
|
|
.Any(i => i.Type == CodecType.Video &&
|
|
i.ContainsAnyCodec(transcodingProfile.VideoCodec, transcodingProfile.Container) &&
|
|
i.ApplyConditions.Any(applyCondition => !ConditionProcessor.IsVideoConditionSatisfied(applyCondition, videoStream?.Width, videoStream?.Height, videoStream?.BitDepth, videoStream?.BitRate, videoStream?.Profile, videoStream?.Level, videoFramerate, videoStream?.PacketLength, timestamp, videoStream?.IsAnamorphic, videoStream?.IsInterlaced, videoStream?.RefFrames, numVideoStreams, numAudioStreams, videoStream?.CodecTag, videoStream?.IsAVC)));
|
|
|
|
return match ? 1 : 2;
|
|
})
|
|
.OrderBy(lookup => lookup.Key)
|
|
.SelectMany(lookup => lookup);
|
|
}
|
|
|
|
return transcodingProfiles.FirstOrDefault();
|
|
}
|
|
|
|
private void BuildStreamVideoItem(StreamInfo playlistItem, VideoOptions 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);
|
|
var directVideoCodec = ContainerProfile.ContainsContainer(videoCodecs, videoStream.Codec) ? videoStream.Codec : null;
|
|
playlistItem.VideoCodecs = directVideoCodec != null ? new[] { directVideoCodec } : 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.HasValue)
|
|
{
|
|
playlistItem.SetOption(qualifier, "level", videoStream.Level.Value.ToString(CultureInfo.InvariantCulture));
|
|
}
|
|
|
|
if (videoStream.BitDepth.HasValue)
|
|
{
|
|
playlistItem.SetOption(qualifier, "videobitdepth", videoStream.BitDepth.Value.ToString(CultureInfo.InvariantCulture));
|
|
}
|
|
|
|
if (!string.IsNullOrEmpty(videoStream.Profile))
|
|
{
|
|
playlistItem.SetOption(qualifier, "profile", videoStream.Profile.ToLowerInvariant());
|
|
}
|
|
|
|
if (videoStream.Level != 0)
|
|
{
|
|
playlistItem.SetOption(qualifier, "level", videoStream.Level.ToString());
|
|
}
|
|
|
|
// prefer matching audio codecs, could do beter here
|
|
var audioCodecs = ContainerProfile.SplitValue(audioCodec);
|
|
var directAudioStream = candidateAudioStreams.FirstOrDefault(stream => ContainerProfile.ContainsContainer(audioCodecs, stream.Codec));
|
|
playlistItem.AudioCodecs = audioCodecs;
|
|
if (directAudioStream != 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;
|
|
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);
|
|
|
|
var appliedVideoConditions = options.Profile.CodecProfiles
|
|
.Where(i => i.Type == CodecType.Video &&
|
|
i.ContainsAnyCodec(videoCodec, container) &&
|
|
i.ApplyConditions.Any(applyCondition => ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, 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(false) ?? 0, playlistItem.TargetAudioCodec, audioStream, playlistItem);
|
|
playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);
|
|
|
|
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;
|
|
|
|
var appliedAudioConditions = options.Profile.CodecProfiles
|
|
.Where(i => i.Type == CodecType.Video &&
|
|
i.ContainsAnyCodec(audioCodec, container) &&
|
|
i.ApplyConditions.Any(applyCondition => ConditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth, audioProfile, isSecondaryAudio)));
|
|
isFirstAppliedCodecProfile = true;
|
|
foreach (var i in appliedAudioConditions)
|
|
{
|
|
var transcodingAudioCodecs = ContainerProfile.SplitValue(audioCodec);
|
|
foreach (var transcodingAudioCodec in transcodingAudioCodecs)
|
|
{
|
|
if (i.ContainsAnyCodec(transcodingAudioCodec, container))
|
|
{
|
|
ApplyTranscodingConditions(playlistItem, i.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
|
|
long currentValue = playlistItem.VideoBitrate ?? availableBitrateForVideo;
|
|
var longBitrate = Math.Max(Math.Min(availableBitrateForVideo, currentValue), 64000);
|
|
playlistItem.VideoBitrate = longBitrate >= int.MaxValue ? int.MaxValue : Convert.ToInt32(longBitrate);
|
|
}
|
|
|
|
_logger.LogInformation(
|
|
"Transcode Result for Profile: {0}, Path: {1}, PlayMethod: {2}, AudioStreamIndex: {3}, SubtitleStreamIndex: {4}, Reasons: {5}",
|
|
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 == 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 (DirectPlayProfile Profile, PlayMethod? PlayMethod, int? AudioStreamIndex, TranscodeReason TranscodeReasons) GetVideoDirectPlayProfile(
|
|
VideoOptions options,
|
|
MediaSourceInfo mediaSource,
|
|
MediaStream videoStream,
|
|
MediaStream audioStream,
|
|
IEnumerable<MediaStream> candidateAudioStreams,
|
|
MediaStream subtitleStream,
|
|
bool isEligibleForDirectPlay,
|
|
bool isEligibleForDirectStream)
|
|
{
|
|
if (options.ForceDirectPlay)
|
|
{
|
|
return (null, PlayMethod.DirectPlay, audioStream?.Index, TranscodeReason.None);
|
|
}
|
|
|
|
if (options.ForceDirectStream)
|
|
{
|
|
return (null, PlayMethod.DirectStream, audioStream?.Index, TranscodeReason.None);
|
|
}
|
|
|
|
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;
|
|
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;
|
|
// audio
|
|
var defaultLanguage = audioStream?.Language ?? string.Empty;
|
|
var defaultMarked = audioStream?.IsDefault ?? false;
|
|
|
|
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);
|
|
|
|
var checkVideoConditions = (ProfileCondition[] conditions) =>
|
|
conditions.Where(applyCondition => !ConditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, 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))
|
|
.SelectMany(codecProfile =>
|
|
{
|
|
var failedApplyConditions = checkVideoConditions(codecProfile.ApplyConditions);
|
|
if (!failedApplyConditions.Any())
|
|
{
|
|
return Array.Empty<ProfileCondition>();
|
|
}
|
|
|
|
var failedConditions = checkVideoConditions(codecProfile.Conditions);
|
|
return failedApplyConditions.Concat(failedConditions);
|
|
}));
|
|
|
|
// Check audiocandidates profile conditions
|
|
var audioStreamMatches = candidateAudioStreams.ToDictionary(s => s, audioStream => CheckVideoAudioStreamDirectPlay(options, mediaSource, container, audioStream, defaultLanguage, defaultMarked));
|
|
|
|
TranscodeReason subtitleProfileReasons = TranscodeReason.None;
|
|
if (subtitleStream != 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 != TranscodeReason.None)
|
|
{
|
|
a = reason;
|
|
return index;
|
|
}
|
|
|
|
index++;
|
|
}
|
|
|
|
return index;
|
|
};
|
|
|
|
// Check DirectPlay profiles to see if it can be direct played
|
|
var analyzedProfiles = profile.DirectPlayProfiles
|
|
.Where(directPlayProfile => directPlayProfile.Type == DlnaProfileType.Video)
|
|
.Select((directPlayProfile, order) =>
|
|
{
|
|
var directPlayProfileReasons = TranscodeReason.None;
|
|
var audioCodecProfileReasons = TranscodeReason.None;
|
|
|
|
// Check container type
|
|
if (!directPlayProfile.SupportsContainer(container))
|
|
{
|
|
directPlayProfileReasons |= TranscodeReason.ContainerNotSupported;
|
|
}
|
|
|
|
// Check video codec
|
|
string videoCodec = videoStream?.Codec;
|
|
if (!directPlayProfile.SupportsVideoCodec(videoCodec))
|
|
{
|
|
directPlayProfileReasons |= TranscodeReason.VideoCodecNotSupported;
|
|
}
|
|
|
|
// Check audio codec
|
|
var selectedAudioStream = candidateAudioStreams.FirstOrDefault(audioStream => directPlayProfile.SupportsAudioCodec(audioStream.Codec));
|
|
if (selectedAudioStream == null)
|
|
{
|
|
directPlayProfileReasons |= TranscodeReason.AudioCodecNotSupported;
|
|
}
|
|
else
|
|
{
|
|
audioCodecProfileReasons = audioStreamMatches.GetValueOrDefault(selectedAudioStream);
|
|
}
|
|
|
|
var failureReasons = directPlayProfileReasons | containerProfileReasons | videoCodecProfileReasons | audioCodecProfileReasons | subtitleProfileReasons;
|
|
var directStreamFailureReasons = failureReasons & (~DirectStreamReasons);
|
|
|
|
PlayMethod? playMethod = null;
|
|
if (failureReasons == TranscodeReason.None && isEligibleForDirectPlay && mediaSource.SupportsDirectPlay)
|
|
{
|
|
playMethod = PlayMethod.DirectPlay;
|
|
}
|
|
else if (directStreamFailureReasons == TranscodeReason.None && isEligibleForDirectStream && mediaSource.SupportsDirectStream && directPlayProfile != null)
|
|
{
|
|
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)
|
|
.ThenBy(analysis => analysis.Order)
|
|
.ToArray()
|
|
.ToLookup(analysis => analysis.Result.PlayMethod != null);
|
|
|
|
var profileMatch = analyzedProfiles[true]
|
|
.Select(analysis => analysis.Result)
|
|
.FirstOrDefault();
|
|
if (profileMatch.Profile != null)
|
|
{
|
|
return profileMatch;
|
|
}
|
|
|
|
var failureReasons = analyzedProfiles[false].OrderBy(a => a.Result.TranscodeReason).ThenBy(analysis => analysis.Order).FirstOrDefault().Result.TranscodeReason;
|
|
if (failureReasons == TranscodeReason.None)
|
|
{
|
|
failureReasons = TranscodeReason.DirectPlayError;
|
|
}
|
|
|
|
return (Profile: null, PlayMethod: null, AudioStreamIndex: null, TranscodeReasons: failureReasons);
|
|
}
|
|
|
|
private TranscodeReason CheckVideoAudioStreamDirectPlay(VideoOptions options, MediaSourceInfo mediaSource, string container, MediaStream audioStream, string language, bool isDefault)
|
|
{
|
|
var profile = options.Profile;
|
|
var audioFailureConditions = GetProfileConditionsForVideoAudio(profile.CodecProfiles, container, audioStream.Codec, audioStream.Channels, audioStream.BitRate, audioStream.SampleRate, audioStream.BitDepth, audioStream.Profile, !audioStream.IsDefault);
|
|
|
|
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(TranscodeReason.None, (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");
|
|
}
|
|
|
|
private TranscodeReason IsEligibleForDirectPlay(
|
|
MediaSourceInfo item,
|
|
long maxBitrate,
|
|
VideoOptions options,
|
|
PlayMethod playMethod)
|
|
{
|
|
bool result = IsItemBitrateEligibleForDirectPlay(item, maxBitrate, playMethod);
|
|
if (!result)
|
|
{
|
|
return TranscodeReason.ContainerBitrateExceedsLimit;
|
|
}
|
|
else
|
|
{
|
|
return TranscodeReason.None;
|
|
}
|
|
}
|
|
|
|
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 IsItemBitrateEligibleForDirectPlay(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 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, 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)
|
|
{
|
|
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.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;
|
|
}
|
|
}
|
|
}
|