You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1901 lines
81 KiB
1901 lines
81 KiB
using System;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Linq;
|
|
using MediaBrowser.Model.Dto;
|
|
using MediaBrowser.Model.Entities;
|
|
using MediaBrowser.Model.Extensions;
|
|
using MediaBrowser.Model.MediaInfo;
|
|
using MediaBrowser.Model.Session;
|
|
using Microsoft.Extensions.Logging;
|
|
|
|
namespace MediaBrowser.Model.Dlna
|
|
{
|
|
public class StreamBuilder
|
|
{
|
|
private readonly ILogger _logger;
|
|
private readonly ITranscoderSupport _transcoderSupport;
|
|
|
|
public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)
|
|
{
|
|
_transcoderSupport = transcoderSupport;
|
|
_logger = logger;
|
|
}
|
|
|
|
public StreamBuilder(ILogger logger)
|
|
: this(new FullTranscoderSupport(), logger)
|
|
{
|
|
}
|
|
|
|
public StreamInfo BuildAudioItem(AudioOptions options)
|
|
{
|
|
ValidateAudioInput(options);
|
|
|
|
var mediaSources = new List<MediaSourceInfo>();
|
|
foreach (var i in options.MediaSources)
|
|
{
|
|
if (string.IsNullOrEmpty(options.MediaSourceId) ||
|
|
StringHelper.EqualsIgnoreCase(i.Id, options.MediaSourceId))
|
|
{
|
|
mediaSources.Add(i);
|
|
}
|
|
}
|
|
|
|
var streams = new List<StreamInfo>();
|
|
foreach (var i in mediaSources)
|
|
{
|
|
var streamInfo = BuildAudioItem(i, options);
|
|
if (streamInfo != null)
|
|
{
|
|
streams.Add(streamInfo);
|
|
}
|
|
}
|
|
|
|
foreach (var 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 (var i in options.MediaSources)
|
|
{
|
|
if (string.IsNullOrEmpty(options.MediaSourceId) ||
|
|
StringHelper.EqualsIgnoreCase(i.Id, options.MediaSourceId))
|
|
{
|
|
mediaSources.Add(i);
|
|
}
|
|
}
|
|
|
|
var streams = new List<StreamInfo>();
|
|
foreach (var i in mediaSources)
|
|
{
|
|
var streamInfo = BuildVideoItem(i, options);
|
|
if (streamInfo != null)
|
|
{
|
|
streams.Add(streamInfo);
|
|
}
|
|
}
|
|
|
|
foreach (var stream in streams)
|
|
{
|
|
stream.DeviceId = options.DeviceId;
|
|
stream.DeviceProfileId = options.Profile.Id;
|
|
}
|
|
|
|
return GetOptimalStream(streams, options.GetMaxBitrate(false) ?? 0);
|
|
}
|
|
|
|
private StreamInfo GetOptimalStream(List<StreamInfo> streams, long maxBitrate)
|
|
{
|
|
var sorted = SortMediaSources(streams, maxBitrate);
|
|
|
|
foreach (var stream in sorted)
|
|
{
|
|
return stream;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private 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).ToArray();
|
|
}
|
|
|
|
private TranscodeReason? GetTranscodeReasonForFailedCondition(ProfileCondition condition)
|
|
{
|
|
switch (condition.Property)
|
|
{
|
|
case ProfileConditionValue.AudioBitrate:
|
|
if (condition.Condition == ProfileConditionType.LessThanEqual)
|
|
{
|
|
return TranscodeReason.AudioBitrateNotSupported;
|
|
}
|
|
return TranscodeReason.AudioBitrateNotSupported;
|
|
|
|
case ProfileConditionValue.AudioChannels:
|
|
if (condition.Condition == ProfileConditionType.LessThanEqual)
|
|
{
|
|
return TranscodeReason.AudioChannelsNotSupported;
|
|
}
|
|
return TranscodeReason.AudioChannelsNotSupported;
|
|
|
|
case ProfileConditionValue.AudioProfile:
|
|
return TranscodeReason.AudioProfileNotSupported;
|
|
|
|
case ProfileConditionValue.AudioSampleRate:
|
|
return TranscodeReason.AudioSampleRateNotSupported;
|
|
|
|
case ProfileConditionValue.Has64BitOffsets:
|
|
// TODO
|
|
return null;
|
|
|
|
case ProfileConditionValue.Height:
|
|
return TranscodeReason.VideoResolutionNotSupported;
|
|
|
|
case ProfileConditionValue.IsAnamorphic:
|
|
return TranscodeReason.AnamorphicVideoNotSupported;
|
|
|
|
case ProfileConditionValue.IsAvc:
|
|
// TODO
|
|
return null;
|
|
|
|
case ProfileConditionValue.IsInterlaced:
|
|
return TranscodeReason.InterlacedVideoNotSupported;
|
|
|
|
case ProfileConditionValue.IsSecondaryAudio:
|
|
return TranscodeReason.SecondaryAudioNotSupported;
|
|
|
|
case ProfileConditionValue.NumAudioStreams:
|
|
// TODO
|
|
return null;
|
|
|
|
case ProfileConditionValue.NumVideoStreams:
|
|
// TODO
|
|
return null;
|
|
|
|
case ProfileConditionValue.PacketLength:
|
|
// TODO
|
|
return null;
|
|
|
|
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 null;
|
|
|
|
case ProfileConditionValue.Width:
|
|
return TranscodeReason.VideoResolutionNotSupported;
|
|
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static string NormalizeMediaSourceFormatIntoSingleContainer(string inputContainer, string unused1, DeviceProfile profile, DlnaProfileType type)
|
|
{
|
|
if (string.IsNullOrEmpty(inputContainer))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var formats = ContainerProfile.SplitValue(inputContainer);
|
|
|
|
if (formats.Length == 1)
|
|
{
|
|
return formats[0];
|
|
}
|
|
|
|
if (profile != null)
|
|
{
|
|
foreach (var format in formats)
|
|
{
|
|
foreach (var directPlayProfile in profile.DirectPlayProfiles)
|
|
{
|
|
if (directPlayProfile.Type == type)
|
|
{
|
|
if (directPlayProfile.SupportsContainer(format))
|
|
{
|
|
return format;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return formats[0];
|
|
}
|
|
|
|
private StreamInfo BuildAudioItem(MediaSourceInfo item, AudioOptions options)
|
|
{
|
|
var transcodeReasons = new List<TranscodeReason>();
|
|
|
|
var playlistItem = new StreamInfo
|
|
{
|
|
ItemId = options.ItemId,
|
|
MediaType = DlnaProfileType.Audio,
|
|
MediaSource = item,
|
|
RunTimeTicks = item.RunTimeTicks,
|
|
Context = options.Context,
|
|
DeviceProfile = options.Profile
|
|
};
|
|
|
|
if (options.ForceDirectPlay)
|
|
{
|
|
playlistItem.PlayMethod = PlayMethod.DirectPlay;
|
|
playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, item.Path, options.Profile, DlnaProfileType.Audio);
|
|
return playlistItem;
|
|
}
|
|
|
|
if (options.ForceDirectStream)
|
|
{
|
|
playlistItem.PlayMethod = PlayMethod.DirectStream;
|
|
playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, item.Path, options.Profile, DlnaProfileType.Audio);
|
|
return playlistItem;
|
|
}
|
|
|
|
var audioStream = item.GetDefaultAudioStream(null);
|
|
|
|
var directPlayInfo = GetAudioDirectPlayMethods(item, audioStream, options);
|
|
|
|
var directPlayMethods = directPlayInfo.Item1;
|
|
transcodeReasons.AddRange(directPlayInfo.Item2);
|
|
|
|
var conditionProcessor = new ConditionProcessor();
|
|
|
|
int? inputAudioChannels = audioStream == null ? null : audioStream.Channels;
|
|
int? inputAudioBitrate = audioStream == null ? null : audioStream.BitDepth;
|
|
int? inputAudioSampleRate = audioStream == null ? null : audioStream.SampleRate;
|
|
int? inputAudioBitDepth = audioStream == null ? null : audioStream.BitDepth;
|
|
|
|
if (directPlayMethods.Count > 0)
|
|
{
|
|
string audioCodec = audioStream == null ? null : audioStream.Codec;
|
|
|
|
// Make sure audio codec profiles are satisfied
|
|
var conditions = new List<ProfileCondition>();
|
|
foreach (var i in options.Profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.Audio && i.ContainsAnyCodec(audioCodec, item.Container))
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (var applyCondition in i.ApplyConditions)
|
|
{
|
|
if (!conditionProcessor.IsAudioConditionSatisfied(applyCondition, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth))
|
|
{
|
|
LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
|
|
applyConditions = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (applyConditions)
|
|
{
|
|
foreach (var c in i.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool all = true;
|
|
foreach (var c in conditions)
|
|
{
|
|
if (!conditionProcessor.IsAudioConditionSatisfied(c, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth))
|
|
{
|
|
LogConditionFailure(options.Profile, "AudioCodecProfile", c, item);
|
|
var transcodeReason = GetTranscodeReasonForFailedCondition(c);
|
|
if (transcodeReason.HasValue)
|
|
{
|
|
transcodeReasons.Add(transcodeReason.Value);
|
|
}
|
|
all = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (all)
|
|
{
|
|
if (directPlayMethods.Contains(PlayMethod.DirectStream))
|
|
{
|
|
playlistItem.PlayMethod = PlayMethod.DirectStream;
|
|
}
|
|
|
|
playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, item.Path, options.Profile, DlnaProfileType.Audio);
|
|
|
|
return playlistItem;
|
|
}
|
|
}
|
|
|
|
TranscodingProfile transcodingProfile = null;
|
|
foreach (var i in options.Profile.TranscodingProfiles)
|
|
{
|
|
if (i.Type == playlistItem.MediaType && i.Context == options.Context)
|
|
{
|
|
if (_transcoderSupport.CanEncodeToAudioCodec(i.AudioCodec ?? i.Container))
|
|
{
|
|
transcodingProfile = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (transcodingProfile != null)
|
|
{
|
|
if (!item.SupportsTranscoding)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
SetStreamInfoOptionsFromTranscodingProfile(playlistItem, transcodingProfile);
|
|
|
|
var audioCodecProfiles = new List<CodecProfile>();
|
|
foreach (var i in options.Profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.Audio && i.ContainsAnyCodec(transcodingProfile.AudioCodec, transcodingProfile.Container))
|
|
{
|
|
audioCodecProfiles.Add(i);
|
|
}
|
|
|
|
if (audioCodecProfiles.Count >= 1) break;
|
|
}
|
|
|
|
var audioTranscodingConditions = new List<ProfileCondition>();
|
|
foreach (var i in audioCodecProfiles)
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (var applyCondition in i.ApplyConditions)
|
|
{
|
|
if (!conditionProcessor.IsAudioConditionSatisfied(applyCondition, inputAudioChannels, inputAudioBitrate, inputAudioSampleRate, inputAudioBitDepth))
|
|
{
|
|
LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
|
|
applyConditions = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (applyConditions)
|
|
{
|
|
foreach (var c in i.Conditions)
|
|
{
|
|
audioTranscodingConditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
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.ToArray();
|
|
return playlistItem;
|
|
}
|
|
|
|
private long? GetBitrateForDirectPlayCheck(MediaSourceInfo item, AudioOptions options, bool isAudio)
|
|
{
|
|
if (item.Protocol == MediaProtocol.File)
|
|
{
|
|
return options.Profile.MaxStaticBitrate;
|
|
}
|
|
|
|
return options.GetMaxBitrate(isAudio);
|
|
}
|
|
|
|
private Tuple<List<PlayMethod>, List<TranscodeReason>> GetAudioDirectPlayMethods(MediaSourceInfo item, MediaStream audioStream, AudioOptions options)
|
|
{
|
|
var transcodeReasons = new List<TranscodeReason>();
|
|
|
|
DirectPlayProfile directPlayProfile = null;
|
|
foreach (var i in options.Profile.DirectPlayProfiles)
|
|
{
|
|
if (i.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(i, item, audioStream))
|
|
{
|
|
directPlayProfile = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
var playMethods = new List<PlayMethod>();
|
|
|
|
if (directPlayProfile != null)
|
|
{
|
|
// While options takes the network and other factors into account. Only applies to direct stream
|
|
if (item.SupportsDirectStream)
|
|
{
|
|
if (IsAudioEligibleForDirectPlay(item, options.GetMaxBitrate(true) ?? 0, PlayMethod.DirectStream))
|
|
{
|
|
if (options.EnableDirectStream)
|
|
{
|
|
playMethods.Add(PlayMethod.DirectStream);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
transcodeReasons.Add(TranscodeReason.ContainerBitrateExceedsLimit);
|
|
}
|
|
}
|
|
|
|
// The profile describes what the device supports
|
|
// If device requirements are satisfied then allow both direct stream and direct play
|
|
if (item.SupportsDirectPlay)
|
|
{
|
|
if (IsAudioEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true) ?? 0, PlayMethod.DirectPlay))
|
|
{
|
|
if (options.EnableDirectPlay)
|
|
{
|
|
playMethods.Add(PlayMethod.DirectPlay);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
transcodeReasons.Add(TranscodeReason.ContainerBitrateExceedsLimit);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
transcodeReasons.InsertRange(0, GetTranscodeReasonsFromDirectPlayProfile(item, null, audioStream, options.Profile.DirectPlayProfiles));
|
|
|
|
_logger.LogInformation("Profile: {0}, No direct play profiles found for Path: {1}",
|
|
options.Profile.Name ?? "Unknown Profile",
|
|
item.Path ?? "Unknown path");
|
|
}
|
|
|
|
if (playMethods.Count > 0)
|
|
{
|
|
transcodeReasons.Clear();
|
|
}
|
|
else
|
|
{
|
|
transcodeReasons = transcodeReasons.Distinct().ToList();
|
|
}
|
|
|
|
return new Tuple<List<PlayMethod>, List<TranscodeReason>>(playMethods, transcodeReasons);
|
|
}
|
|
|
|
private List<TranscodeReason> GetTranscodeReasonsFromDirectPlayProfile(MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream, IEnumerable<DirectPlayProfile> directPlayProfiles)
|
|
{
|
|
var list = new List<TranscodeReason>();
|
|
var containerSupported = false;
|
|
var audioSupported = false;
|
|
var videoSupported = false;
|
|
|
|
foreach (var profile in directPlayProfiles)
|
|
{
|
|
audioSupported = false;
|
|
videoSupported = false;
|
|
|
|
// Check container type
|
|
if (profile.SupportsContainer(item.Container))
|
|
{
|
|
containerSupported = true;
|
|
|
|
if (videoStream != null)
|
|
{
|
|
if (profile.SupportsVideoCodec(videoStream.Codec))
|
|
{
|
|
videoSupported = true;
|
|
}
|
|
}
|
|
|
|
if (audioStream != null)
|
|
{
|
|
if (profile.SupportsAudioCodec(audioStream.Codec))
|
|
{
|
|
audioSupported = true;
|
|
}
|
|
}
|
|
|
|
if (videoSupported && audioSupported)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!containerSupported)
|
|
{
|
|
list.Add(TranscodeReason.ContainerNotSupported);
|
|
}
|
|
|
|
if (videoStream != null && !videoSupported)
|
|
{
|
|
list.Add(TranscodeReason.VideoCodecNotSupported);
|
|
}
|
|
|
|
if (audioStream != null && !audioSupported)
|
|
{
|
|
list.Add(TranscodeReason.AudioCodecNotSupported);
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
private int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
|
|
{
|
|
int highestScore = -1;
|
|
|
|
foreach (var stream in item.MediaStreams)
|
|
{
|
|
if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue)
|
|
{
|
|
if (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 && StringHelper.EqualsIgnoreCase(profile.Format, stream.Codec))
|
|
{
|
|
return stream.Index;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If no optimization panned out, just use the original default
|
|
return item.DefaultSubtitleStreamIndex;
|
|
}
|
|
|
|
private 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 transcodingMaxAudioChannels;
|
|
if (int.TryParse(transcodingProfile.MaxAudioChannels, NumberStyles.Any, CultureInfo.InvariantCulture, out transcodingMaxAudioChannels))
|
|
{
|
|
playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
|
|
}
|
|
}
|
|
}
|
|
|
|
private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
|
|
{
|
|
if (item == null)
|
|
{
|
|
throw new ArgumentNullException(nameof(item));
|
|
}
|
|
|
|
var transcodeReasons = new List<TranscodeReason>();
|
|
|
|
var 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 accout for situation of device being able to handle media bitrate, but wifi connection not 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.LogInformation("Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",
|
|
options.Profile.Name ?? "Unknown Profile",
|
|
item.Path ?? "Unknown path",
|
|
isEligibleForDirectPlay,
|
|
isEligibleForDirectStream);
|
|
|
|
if (isEligibleForDirectPlay || isEligibleForDirectStream)
|
|
{
|
|
// See if it can be direct played
|
|
var directPlayInfo = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, isEligibleForDirectPlay, isEligibleForDirectStream);
|
|
var directPlay = directPlayInfo.Item1;
|
|
|
|
if (directPlay != null)
|
|
{
|
|
playlistItem.PlayMethod = directPlay.Value;
|
|
playlistItem.Container = NormalizeMediaSourceFormatIntoSingleContainer(item.Container, item.Path, 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 conditionProcessor = new ConditionProcessor();
|
|
|
|
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 (var applyCondition in i.ApplyConditions)
|
|
{
|
|
int? width = videoStream == null ? null : videoStream.Width;
|
|
int? height = videoStream == null ? null : videoStream.Height;
|
|
int? bitDepth = videoStream == null ? null : videoStream.BitDepth;
|
|
int? videoBitrate = videoStream == null ? null : videoStream.BitRate;
|
|
double? videoLevel = videoStream == null ? null : videoStream.Level;
|
|
string videoProfile = videoStream == null ? null : videoStream.Profile;
|
|
float videoFramerate = videoStream == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
|
|
bool? isAnamorphic = videoStream == null ? null : videoStream.IsAnamorphic;
|
|
bool? isInterlaced = videoStream == null ? (bool?)null : videoStream.IsInterlaced;
|
|
string videoCodecTag = videoStream == null ? null : videoStream.CodecTag;
|
|
bool? isAvc = videoStream == null ? null : videoStream.IsAVC;
|
|
|
|
TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : item.Timestamp;
|
|
int? packetLength = videoStream == null ? null : videoStream.PacketLength;
|
|
int? refFrames = videoStream == null ? null : 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(playlistItem.SubProtocol, 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 (var 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 int GetDefaultAudioBitrateIfUnknown(MediaStream audioStream)
|
|
{
|
|
if ((audioStream.Channels ?? 0) >= 6)
|
|
{
|
|
return 384000;
|
|
}
|
|
|
|
return 192000;
|
|
}
|
|
|
|
private int GetAudioBitrate(string subProtocol, long maxTotalBitrate, string[] targetAudioCodecs, MediaStream audioStream, StreamInfo item)
|
|
{
|
|
var targetAudioCodec = targetAudioCodecs.Length == 0 ? null : targetAudioCodecs[0];
|
|
|
|
var targetAudioChannels = item.GetTargetAudioChannels(targetAudioCodec);
|
|
|
|
int defaultBitrate = audioStream == null ? 192000 : audioStream.BitRate ?? GetDefaultAudioBitrateIfUnknown(audioStream);
|
|
|
|
// Reduce the bitrate if we're downmixing
|
|
if (targetAudioChannels.HasValue && audioStream != null && audioStream.Channels.HasValue && targetAudioChannels.Value < audioStream.Channels.Value)
|
|
{
|
|
defaultBitrate = targetAudioChannels.Value <= 2 ? 128000 : 192000;
|
|
}
|
|
|
|
int encoderAudioBitrateLimit = int.MaxValue;
|
|
|
|
if (audioStream != null)
|
|
{
|
|
// Seeing webm encoding failures when source has 1 audio channel and 22k bitrate.
|
|
// Any attempts to transcode over 64k will fail
|
|
if (audioStream.Channels.HasValue &&
|
|
audioStream.Channels.Value == 1)
|
|
{
|
|
if ((audioStream.BitRate ?? 0) < 64000)
|
|
{
|
|
encoderAudioBitrateLimit = 64000;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (maxTotalBitrate > 0)
|
|
{
|
|
defaultBitrate = Math.Min(GetMaxAudioBitrateForTotalBitrate(maxTotalBitrate), defaultBitrate);
|
|
}
|
|
|
|
return Math.Min(defaultBitrate, encoderAudioBitrateLimit);
|
|
}
|
|
|
|
private int GetMaxAudioBitrateForTotalBitrate(long totalBitrate)
|
|
{
|
|
if (totalBitrate <= 640000)
|
|
{
|
|
return 128000;
|
|
}
|
|
|
|
if (totalBitrate <= 2000000)
|
|
{
|
|
return 384000;
|
|
}
|
|
|
|
if (totalBitrate <= 3000000)
|
|
{
|
|
return 448000;
|
|
}
|
|
|
|
return 640000;
|
|
}
|
|
|
|
private Tuple<PlayMethod?, List<TranscodeReason>> GetVideoDirectPlayProfile(VideoOptions options,
|
|
MediaSourceInfo mediaSource,
|
|
MediaStream videoStream,
|
|
MediaStream audioStream,
|
|
bool isEligibleForDirectPlay,
|
|
bool isEligibleForDirectStream)
|
|
{
|
|
var profile = options.Profile;
|
|
|
|
if (options.ForceDirectPlay)
|
|
{
|
|
return new Tuple<PlayMethod?, List<TranscodeReason>>(PlayMethod.DirectPlay, new List<TranscodeReason>());
|
|
}
|
|
if (options.ForceDirectStream)
|
|
{
|
|
return new Tuple<PlayMethod?, List<TranscodeReason>>(PlayMethod.DirectStream, new List<TranscodeReason>());
|
|
}
|
|
|
|
// See if it can be direct played
|
|
DirectPlayProfile directPlay = null;
|
|
foreach (var i in profile.DirectPlayProfiles)
|
|
{
|
|
if (i.Type == DlnaProfileType.Video && IsVideoDirectPlaySupported(i, mediaSource, videoStream, audioStream))
|
|
{
|
|
directPlay = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (directPlay == null)
|
|
{
|
|
_logger.LogInformation("Profile: {0}, No direct play profiles found for Path: {1}",
|
|
profile.Name ?? "Unknown Profile",
|
|
mediaSource.Path ?? "Unknown path");
|
|
|
|
return new Tuple<PlayMethod?, List<TranscodeReason>>(null, GetTranscodeReasonsFromDirectPlayProfile(mediaSource, videoStream, audioStream, profile.DirectPlayProfiles));
|
|
}
|
|
|
|
string container = mediaSource.Container;
|
|
|
|
var conditions = new List<ProfileCondition>();
|
|
foreach (var i in profile.ContainerProfiles)
|
|
{
|
|
if (i.Type == DlnaProfileType.Video &&
|
|
i.ContainsContainer(container))
|
|
{
|
|
foreach (var c in i.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
var conditionProcessor = new ConditionProcessor();
|
|
|
|
int? width = videoStream == null ? null : videoStream.Width;
|
|
int? height = videoStream == null ? null : videoStream.Height;
|
|
int? bitDepth = videoStream == null ? null : videoStream.BitDepth;
|
|
int? videoBitrate = videoStream == null ? null : videoStream.BitRate;
|
|
double? videoLevel = videoStream == null ? null : videoStream.Level;
|
|
string videoProfile = videoStream == null ? null : videoStream.Profile;
|
|
float videoFramerate = videoStream == null ? 0 : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate ?? 0;
|
|
bool? isAnamorphic = videoStream == null ? null : videoStream.IsAnamorphic;
|
|
bool? isInterlaced = videoStream == null ? (bool?)null : videoStream.IsInterlaced;
|
|
string videoCodecTag = videoStream == null ? null : videoStream.CodecTag;
|
|
bool? isAvc = videoStream == null ? null : videoStream.IsAVC;
|
|
|
|
int? audioBitrate = audioStream == null ? null : audioStream.BitRate;
|
|
int? audioChannels = audioStream == null ? null : audioStream.Channels;
|
|
string audioProfile = audioStream == null ? null : audioStream.Profile;
|
|
int? audioSampleRate = audioStream == null ? null : audioStream.SampleRate;
|
|
int? audioBitDepth = audioStream == null ? null : audioStream.BitDepth;
|
|
|
|
TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : mediaSource.Timestamp;
|
|
int? packetLength = videoStream == null ? null : videoStream.PacketLength;
|
|
int? refFrames = videoStream == null ? null : videoStream.RefFrames;
|
|
|
|
int? numAudioStreams = mediaSource.GetStreamCount(MediaStreamType.Audio);
|
|
int? numVideoStreams = mediaSource.GetStreamCount(MediaStreamType.Video);
|
|
|
|
// Check container conditions
|
|
foreach (var 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 new Tuple<PlayMethod?, List<TranscodeReason>>(null, transcodeReasons);
|
|
}
|
|
}
|
|
|
|
string videoCodec = videoStream == null ? null : 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 (var 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 (var c in i.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (var 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 new Tuple<PlayMethod?, List<TranscodeReason>>(null, transcodeReasons);
|
|
}
|
|
}
|
|
|
|
if (audioStream != null)
|
|
{
|
|
string audioCodec = audioStream.Codec;
|
|
|
|
conditions = new List<ProfileCondition>();
|
|
bool? isSecondaryAudio = audioStream == null ? null : mediaSource.IsSecondaryAudio(audioStream);
|
|
|
|
foreach (var i in profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.VideoAudio && i.ContainsAnyCodec(audioCodec, container))
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (var 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 (var c in i.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (var 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 new Tuple<PlayMethod?, List<TranscodeReason>>(null, transcodeReasons);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isEligibleForDirectStream && mediaSource.SupportsDirectStream)
|
|
{
|
|
return new Tuple<PlayMethod?, List<TranscodeReason>>(PlayMethod.DirectStream, new List<TranscodeReason>());
|
|
}
|
|
|
|
return new Tuple<PlayMethod?, List<TranscodeReason>>(null, new List<TranscodeReason> { TranscodeReason.ContainerBitrateExceedsLimit });
|
|
}
|
|
|
|
private void LogConditionFailure(DeviceProfile profile, string type, ProfileCondition condition, MediaSourceInfo mediaSource)
|
|
{
|
|
_logger.LogInformation("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 ValueTuple<bool, TranscodeReason?> 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.LogInformation("Not eligible for {0} due to unsupported subtitles", playMethod);
|
|
return new ValueTuple<bool, TranscodeReason?>(false, TranscodeReason.SubtitleCodecNotSupported);
|
|
}
|
|
}
|
|
|
|
var result = IsAudioEligibleForDirectPlay(item, maxBitrate, playMethod);
|
|
|
|
if (result)
|
|
{
|
|
return new ValueTuple<bool, TranscodeReason?>(result, null);
|
|
}
|
|
|
|
return new ValueTuple<bool, TranscodeReason?>(result, 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(subtitleStream, profile, transcodingSubProtocol, outputContainer))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && StringHelper.EqualsIgnoreCase(profile.Format, subtitleStream.Codec))
|
|
{
|
|
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(subtitleStream, profile, transcodingSubProtocol, 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(MediaStream subtitleStream, SubtitleProfile subtitleProfile, string transcodingSubProtocol, string transcodingContainer)
|
|
{
|
|
if (!string.IsNullOrEmpty(transcodingContainer))
|
|
{
|
|
var normalizedContainers = ContainerProfile.SplitValue(transcodingContainer);
|
|
|
|
if (ContainerProfile.ContainsContainer(normalizedContainers, "ts"))
|
|
{
|
|
return false;
|
|
}
|
|
if (ContainerProfile.ContainsContainer(normalizedContainers, "mpegts"))
|
|
{
|
|
return false;
|
|
}
|
|
if (ContainerProfile.ContainsContainer(normalizedContainers, "mp4"))
|
|
{
|
|
return false;
|
|
}
|
|
if (ContainerProfile.ContainsContainer(normalizedContainers, "mkv") ||
|
|
ContainerProfile.ContainsContainer(normalizedContainers, "matroska"))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private static SubtitleProfile GetExternalSubtitleProfile(MediaSourceInfo mediaSource, MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, ITranscoderSupport transcoderSupport, bool allowConversion)
|
|
{
|
|
foreach (var profile in subtitleProfiles)
|
|
{
|
|
if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (!profile.SupportsLanguage(subtitleStream.Language))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (!subtitleStream.IsExternal && !transcoderSupport.CanExtractSubtitles(subtitleStream.Codec))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) ||
|
|
(profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))
|
|
{
|
|
bool requiresConversion = !StringHelper.EqualsIgnoreCase(subtitleStream.Codec, profile.Format);
|
|
|
|
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;
|
|
}
|
|
|
|
var requestedMaxBitrate = maxBitrate > 0 ? maxBitrate : 1000000;
|
|
|
|
// If we don't know the bitrate, then force a transcode if requested max bitrate is under 40 mbps
|
|
var itemBitrate = item.Bitrate ??
|
|
40000000;
|
|
|
|
if (itemBitrate > requestedMaxBitrate)
|
|
{
|
|
_logger.LogInformation("Bitrate exceeds " + playMethod + " limit: media bitrate: {0}, max bitrate: {1}", itemBitrate.ToString(CultureInfo.InvariantCulture), requestedMaxBitrate.ToString(CultureInfo.InvariantCulture));
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private 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 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, List<CodecProfile> codecProfiles)
|
|
{
|
|
foreach (var profile in codecProfiles)
|
|
{
|
|
ApplyTranscodingConditions(item, profile);
|
|
}
|
|
}
|
|
|
|
private void ApplyTranscodingConditions(StreamInfo item, CodecProfile codecProfile)
|
|
{
|
|
var codecs = ContainerProfile.SplitValue(codecProfile.Codec);
|
|
if (codecs.Length == 0)
|
|
{
|
|
ApplyTranscodingConditions(item, codecProfile.Conditions, null, true, true);
|
|
return;
|
|
}
|
|
|
|
var enableNonQualified = true;
|
|
|
|
foreach (var codec in codecs)
|
|
{
|
|
ApplyTranscodingConditions(item, codecProfile.Conditions, codec, true, enableNonQualified);
|
|
enableNonQualified = false;
|
|
}
|
|
}
|
|
|
|
private void ApplyTranscodingConditions(StreamInfo item, IEnumerable<ProfileCondition> conditions, string qualifier, bool enableQualifiedConditions, bool enableNonQualifiedConditions)
|
|
{
|
|
foreach (var 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;
|
|
}
|
|
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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.AudioChannels:
|
|
{
|
|
if (string.IsNullOrEmpty(qualifier))
|
|
{
|
|
if (!enableNonQualifiedConditions)
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!enableQualifiedConditions)
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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;
|
|
}
|
|
|
|
bool isAvc;
|
|
if (bool.TryParse(value, out 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;
|
|
}
|
|
|
|
bool isAnamorphic;
|
|
if (bool.TryParse(value, out 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;
|
|
}
|
|
}
|
|
|
|
bool isInterlaced;
|
|
if (bool.TryParse(value, out 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;
|
|
}
|
|
}
|
|
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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;
|
|
}
|
|
}
|
|
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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;
|
|
}
|
|
|
|
if (!string.IsNullOrEmpty(value))
|
|
{
|
|
// change from split by | to comma
|
|
|
|
// strip spaces to avoid having to encode
|
|
var values = value
|
|
.Split(new[] { '|' }, 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;
|
|
}
|
|
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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;
|
|
}
|
|
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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;
|
|
}
|
|
|
|
float num;
|
|
if (float.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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;
|
|
}
|
|
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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;
|
|
}
|
|
|
|
int num;
|
|
if (int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out 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 bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audioStream)
|
|
{
|
|
// Check container type
|
|
if (!profile.SupportsContainer(item.Container))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Check audio codec
|
|
string audioCodec = audioStream == null ? null : audioStream.Codec;
|
|
if (!profile.SupportsAudioCodec(audioCodec))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private bool IsVideoDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream)
|
|
{
|
|
// Check container type
|
|
if (!profile.SupportsContainer(item.Container))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Check video codec
|
|
string videoCodec = videoStream == null ? null : videoStream.Codec;
|
|
if (!profile.SupportsVideoCodec(videoCodec))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Check audio codec
|
|
if (audioStream != null)
|
|
{
|
|
string audioCodec = audioStream == null ? null : audioStream.Codec;
|
|
if (!profile.SupportsAudioCodec(audioCodec))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|