jellyfin/MediaBrowser.Model/Dlna/StreamBuilder.cs

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C#
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using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Session;
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using System;
using System.Collections.Generic;
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namespace MediaBrowser.Model.Dlna
{
public class StreamBuilder
{
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private readonly ILogger _logger;
private readonly ITranscoderSupport _transcoderSupport;
public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)
{
_transcoderSupport = transcoderSupport;
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_logger = logger;
}
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public StreamBuilder(ILogger logger)
: this(new FullTranscoderSupport(), logger)
{
}
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public StreamInfo BuildAudioItem(AudioOptions options)
{
ValidateAudioInput(options);
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List<MediaSourceInfo> mediaSources = new List<MediaSourceInfo>();
foreach (MediaSourceInfo i in options.MediaSources)
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{
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if (string.IsNullOrEmpty(options.MediaSourceId) ||
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StringHelper.EqualsIgnoreCase(i.Id, options.MediaSourceId))
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{
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mediaSources.Add(i);
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}
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}
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List<StreamInfo> streams = new List<StreamInfo>();
foreach (MediaSourceInfo i in mediaSources)
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{
StreamInfo streamInfo = BuildAudioItem(i, options);
if (streamInfo != null)
{
streams.Add(streamInfo);
}
}
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foreach (StreamInfo stream in streams)
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{
stream.DeviceId = options.DeviceId;
stream.DeviceProfileId = options.Profile.Id;
}
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return GetOptimalStream(streams, options.GetMaxBitrate(true));
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}
public StreamInfo BuildVideoItem(VideoOptions options)
{
ValidateInput(options);
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List<MediaSourceInfo> mediaSources = new List<MediaSourceInfo>();
foreach (MediaSourceInfo i in options.MediaSources)
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{
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if (string.IsNullOrEmpty(options.MediaSourceId) ||
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StringHelper.EqualsIgnoreCase(i.Id, options.MediaSourceId))
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{
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mediaSources.Add(i);
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}
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}
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List<StreamInfo> streams = new List<StreamInfo>();
foreach (MediaSourceInfo i in mediaSources)
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{
StreamInfo streamInfo = BuildVideoItem(i, options);
if (streamInfo != null)
{
streams.Add(streamInfo);
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}
}
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foreach (StreamInfo stream in streams)
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{
stream.DeviceId = options.DeviceId;
stream.DeviceProfileId = options.Profile.Id;
}
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return GetOptimalStream(streams, options.GetMaxBitrate(false));
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}
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private StreamInfo GetOptimalStream(List<StreamInfo> streams, int? maxBitrate)
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{
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streams = StreamInfoSorter.SortMediaSources(streams, maxBitrate);
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foreach (StreamInfo stream in streams)
{
return stream;
}
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return null;
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}
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private StreamInfo BuildAudioItem(MediaSourceInfo item, AudioOptions options)
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{
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StreamInfo playlistItem = new StreamInfo
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{
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ItemId = options.ItemId,
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MediaType = DlnaProfileType.Audio,
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MediaSource = item,
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RunTimeTicks = item.RunTimeTicks,
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Context = options.Context,
DeviceProfile = options.Profile
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};
if (options.ForceDirectPlay)
{
playlistItem.PlayMethod = PlayMethod.DirectPlay;
playlistItem.Container = item.Container;
return playlistItem;
}
if (options.ForceDirectStream)
{
playlistItem.PlayMethod = PlayMethod.DirectStream;
playlistItem.Container = item.Container;
return playlistItem;
}
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MediaStream audioStream = item.GetDefaultAudioStream(null);
List<PlayMethod> directPlayMethods = GetAudioDirectPlayMethods(item, audioStream, options);
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ConditionProcessor conditionProcessor = new ConditionProcessor();
int? inputAudioChannels = audioStream == null ? null : audioStream.Channels;
int? inputAudioBitrate = audioStream == null ? null : audioStream.BitDepth;
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if (directPlayMethods.Count > 0)
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{
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string audioCodec = audioStream == null ? null : audioStream.Codec;
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// Make sure audio codec profiles are satisfied
if (!string.IsNullOrEmpty(audioCodec))
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{
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List<ProfileCondition> conditions = new List<ProfileCondition>();
foreach (CodecProfile i in options.Profile.CodecProfiles)
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{
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if (i.Type == CodecType.Audio && i.ContainsCodec(audioCodec, item.Container))
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{
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bool applyConditions = true;
foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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if (!conditionProcessor.IsAudioConditionSatisfied(applyCondition, inputAudioChannels, inputAudioBitrate))
{
LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
applyConditions = false;
break;
}
}
if (applyConditions)
{
foreach (ProfileCondition c in i.Conditions)
{
conditions.Add(c);
}
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}
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}
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}
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bool all = true;
foreach (ProfileCondition c in conditions)
{
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if (!conditionProcessor.IsAudioConditionSatisfied(c, inputAudioChannels, inputAudioBitrate))
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{
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LogConditionFailure(options.Profile, "AudioCodecProfile", c, item);
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all = false;
break;
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}
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}
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if (all)
{
if (directPlayMethods.Contains(PlayMethod.DirectStream))
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{
playlistItem.PlayMethod = PlayMethod.DirectStream;
}
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playlistItem.Container = item.Container;
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return playlistItem;
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}
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}
}
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TranscodingProfile transcodingProfile = null;
foreach (TranscodingProfile i in options.Profile.TranscodingProfiles)
{
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if (i.Type == playlistItem.MediaType && i.Context == options.Context)
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{
if (_transcoderSupport.CanEncodeToAudioCodec(i.AudioCodec ?? i.Container))
{
transcodingProfile = i;
break;
}
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}
}
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if (transcodingProfile != null)
{
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if (!item.SupportsTranscoding)
{
return null;
}
playlistItem.PlayMethod = PlayMethod.Transcode;
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playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
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playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
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playlistItem.Container = transcodingProfile.Container;
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if (string.IsNullOrEmpty(transcodingProfile.AudioCodec))
{
playlistItem.AudioCodecs = new string[] { };
}
else
{
playlistItem.AudioCodecs = transcodingProfile.AudioCodec.Split(',');
}
playlistItem.SubProtocol = transcodingProfile.Protocol;
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List<CodecProfile> audioCodecProfiles = new List<CodecProfile>();
foreach (CodecProfile i in options.Profile.CodecProfiles)
{
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if (i.Type == CodecType.Audio && i.ContainsCodec(transcodingProfile.AudioCodec, transcodingProfile.Container))
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{
audioCodecProfiles.Add(i);
}
if (audioCodecProfiles.Count >= 1) break;
}
List<ProfileCondition> audioTranscodingConditions = new List<ProfileCondition>();
foreach (CodecProfile i in audioCodecProfiles)
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{
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bool applyConditions = true;
foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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if (!conditionProcessor.IsAudioConditionSatisfied(applyCondition, inputAudioChannels, inputAudioBitrate))
{
LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
applyConditions = false;
break;
}
}
if (applyConditions)
{
foreach (ProfileCondition c in i.Conditions)
{
audioTranscodingConditions.Add(c);
}
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}
}
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ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
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// Honor requested max channels
if (options.MaxAudioChannels.HasValue)
{
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int currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;
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playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
}
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int transcodingBitrate = options.AudioTranscodingBitrate ??
options.Profile.MusicStreamingTranscodingBitrate ??
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128000;
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int? configuredBitrate = options.GetMaxBitrate(true);
if (configuredBitrate.HasValue)
{
transcodingBitrate = Math.Min(configuredBitrate.Value, transcodingBitrate);
}
playlistItem.AudioBitrate = Math.Min(transcodingBitrate, playlistItem.AudioBitrate ?? transcodingBitrate);
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}
return playlistItem;
}
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private int? GetBitrateForDirectPlayCheck(MediaSourceInfo item, AudioOptions options, bool isAudio)
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{
if (item.Protocol == MediaProtocol.File)
{
return options.Profile.MaxStaticBitrate;
}
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return options.GetMaxBitrate(isAudio);
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}
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private List<PlayMethod> GetAudioDirectPlayMethods(MediaSourceInfo item, MediaStream audioStream, AudioOptions options)
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{
DirectPlayProfile directPlayProfile = null;
foreach (DirectPlayProfile i in options.Profile.DirectPlayProfiles)
{
if (i.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(i, item, audioStream))
{
directPlayProfile = i;
break;
}
}
List<PlayMethod> playMethods = new List<PlayMethod>();
if (directPlayProfile != null)
{
// While options takes the network and other factors into account. Only applies to direct stream
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if (item.SupportsDirectStream && IsAudioEligibleForDirectPlay(item, options.GetMaxBitrate(true)) && options.EnableDirectStream)
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{
playMethods.Add(PlayMethod.DirectStream);
}
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// The profile describes what the device supports
// If device requirements are satisfied then allow both direct stream and direct play
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if (item.SupportsDirectPlay &&
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IsAudioEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true)) && options.EnableDirectPlay)
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{
playMethods.Add(PlayMethod.DirectPlay);
}
}
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else
{
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_logger.Info("Profile: {0}, No direct play profiles found for Path: {1}",
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options.Profile.Name ?? "Unknown Profile",
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item.Path ?? "Unknown path");
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}
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return playMethods;
}
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private int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
{
int highestScore = -1;
foreach (MediaStream stream in item.MediaStreams)
{
if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue)
{
if (stream.Score.Value > highestScore)
{
highestScore = stream.Score.Value;
}
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}
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}
List<MediaStream> topStreams = new List<MediaStream>();
foreach (MediaStream 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 (MediaStream stream in topStreams)
{
foreach (SubtitleProfile 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;
}
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private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions options)
{
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StreamInfo playlistItem = new StreamInfo
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{
ItemId = options.ItemId,
MediaType = DlnaProfileType.Video,
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MediaSource = item,
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RunTimeTicks = item.RunTimeTicks,
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Context = options.Context,
DeviceProfile = options.Profile
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};
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playlistItem.SubtitleStreamIndex = options.SubtitleStreamIndex ?? GetDefaultSubtitleStreamIndex(item, options.Profile.SubtitleProfiles);
MediaStream subtitleStream = playlistItem.SubtitleStreamIndex.HasValue ? item.GetMediaStream(MediaStreamType.Subtitle, playlistItem.SubtitleStreamIndex.Value) : null;
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MediaStream audioStream = item.GetDefaultAudioStream(options.AudioStreamIndex ?? item.DefaultAudioStreamIndex);
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int? audioStreamIndex = null;
if (audioStream != null)
{
audioStreamIndex = audioStream.Index;
}
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MediaStream videoStream = item.VideoStream;
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// TODO: This doesn't accout for situation of device being able to handle media bitrate, but wifi connection not fast enough
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bool isEligibleForDirectPlay = options.EnableDirectPlay && (options.ForceDirectPlay || IsEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true), subtitleStream, options, PlayMethod.DirectPlay));
bool isEligibleForDirectStream = options.EnableDirectStream && (options.ForceDirectStream || IsEligibleForDirectPlay(item, options.GetMaxBitrate(false), subtitleStream, options, PlayMethod.DirectStream));
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_logger.Info("Profile: {0}, Path: {1}, isEligibleForDirectPlay: {2}, isEligibleForDirectStream: {3}",
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options.Profile.Name ?? "Unknown Profile",
item.Path ?? "Unknown path",
isEligibleForDirectPlay,
isEligibleForDirectStream);
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if (isEligibleForDirectPlay || isEligibleForDirectStream)
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{
// See if it can be direct played
PlayMethod? directPlay = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, isEligibleForDirectPlay, isEligibleForDirectStream);
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if (directPlay != null)
{
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playlistItem.PlayMethod = directPlay.Value;
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playlistItem.Container = item.Container;
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if (subtitleStream != null)
{
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SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value);
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playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
playlistItem.SubtitleFormat = subtitleProfile.Format;
}
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return playlistItem;
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}
}
// Can't direct play, find the transcoding profile
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TranscodingProfile transcodingProfile = null;
foreach (TranscodingProfile i in options.Profile.TranscodingProfiles)
{
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if (i.Type == playlistItem.MediaType && i.Context == options.Context)
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{
transcodingProfile = i;
break;
}
}
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if (transcodingProfile != null)
{
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if (!item.SupportsTranscoding)
{
return null;
}
if (subtitleStream != null)
{
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SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode);
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playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
playlistItem.SubtitleFormat = subtitleProfile.Format;
}
playlistItem.PlayMethod = PlayMethod.Transcode;
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playlistItem.Container = transcodingProfile.Container;
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playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
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playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
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playlistItem.AudioCodecs = transcodingProfile.AudioCodec.Split(',');
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playlistItem.VideoCodec = transcodingProfile.VideoCodec;
playlistItem.CopyTimestamps = transcodingProfile.CopyTimestamps;
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playlistItem.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;
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if (!string.IsNullOrEmpty(transcodingProfile.MaxAudioChannels))
{
int transcodingMaxAudioChannels;
if (IntHelper.TryParseCultureInvariant(transcodingProfile.MaxAudioChannels, out transcodingMaxAudioChannels))
{
playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
}
}
playlistItem.SubProtocol = transcodingProfile.Protocol;
playlistItem.AudioStreamIndex = audioStreamIndex;
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ConditionProcessor conditionProcessor = new ConditionProcessor();
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List<ProfileCondition> videoTranscodingConditions = new List<ProfileCondition>();
foreach (CodecProfile i in options.Profile.CodecProfiles)
{
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if (i.Type == CodecType.Video && i.ContainsCodec(transcodingProfile.VideoCodec, transcodingProfile.Container))
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{
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bool applyConditions = true;
foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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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;
if (!conditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, audioProfile, isSecondaryAudio))
{
LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
applyConditions = false;
break;
}
}
if (applyConditions)
{
foreach (ProfileCondition c in i.Conditions)
{
videoTranscodingConditions.Add(c);
}
break;
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}
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}
}
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ApplyTranscodingConditions(playlistItem, videoTranscodingConditions);
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List<ProfileCondition> audioTranscodingConditions = new List<ProfileCondition>();
foreach (CodecProfile i in options.Profile.CodecProfiles)
{
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if (i.Type == CodecType.VideoAudio && i.ContainsCodec(playlistItem.TargetAudioCodec, transcodingProfile.Container))
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{
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bool applyConditions = true;
foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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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 ? null : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate;
bool? isAnamorphic = videoStream == null ? null : videoStream.IsAnamorphic;
string videoCodecTag = videoStream == null ? null : videoStream.CodecTag;
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, refFrames, numVideoStreams, numAudioStreams, videoCodecTag))
{
LogConditionFailure(options.Profile, "VideoCodecProfile", applyCondition, item);
applyConditions = false;
break;
}
}
if (applyConditions)
{
foreach (ProfileCondition c in i.Conditions)
{
audioTranscodingConditions.Add(c);
}
break;
2014-07-01 04:06:28 +00:00
}
2014-05-09 23:08:08 +00:00
}
}
2014-04-01 22:23:07 +00:00
ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
2014-04-06 17:53:23 +00:00
// Honor requested max channels
if (options.MaxAudioChannels.HasValue)
{
2014-05-08 20:09:53 +00:00
int currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;
2014-04-06 17:53:23 +00:00
playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
}
2016-08-23 05:08:07 +00:00
int audioBitrate = GetAudioBitrate(playlistItem.SubProtocol, options.GetMaxBitrate(false), playlistItem.TargetAudioChannels, playlistItem.TargetAudioCodec, audioStream);
2015-04-20 18:04:02 +00:00
playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);
2014-04-06 17:53:23 +00:00
2016-08-23 05:08:07 +00:00
int? maxBitrateSetting = options.GetMaxBitrate(false);
2014-04-06 17:53:23 +00:00
// Honor max rate
if (maxBitrateSetting.HasValue)
2014-04-06 17:53:23 +00:00
{
2014-05-08 20:09:53 +00:00
int videoBitrate = maxBitrateSetting.Value;
2014-04-06 17:53:23 +00:00
if (playlistItem.AudioBitrate.HasValue)
{
videoBitrate -= playlistItem.AudioBitrate.Value;
}
2015-04-20 18:04:02 +00:00
// Make sure the video bitrate is lower than bitrate settings but at least 64k
2014-05-08 20:09:53 +00:00
int currentValue = playlistItem.VideoBitrate ?? videoBitrate;
2015-04-20 18:04:02 +00:00
playlistItem.VideoBitrate = Math.Max(Math.Min(videoBitrate, currentValue), 64000);
2014-04-06 17:53:23 +00:00
}
}
2014-06-23 16:05:19 +00:00
return playlistItem;
}
2016-08-16 00:22:59 +00:00
private int GetAudioBitrate(string subProtocol, int? maxTotalBitrate, int? targetAudioChannels, string targetAudioCodec, MediaStream audioStream)
{
2016-09-17 06:09:29 +00:00
int defaultBitrate = audioStream == null ? 192000 : audioStream.BitRate ?? 192000;
2016-08-24 21:06:04 +00:00
// Reduce the bitrate if we're downmixing
if (targetAudioChannels.HasValue && audioStream != null && audioStream.Channels.HasValue && targetAudioChannels.Value < audioStream.Channels.Value)
2016-04-12 17:37:58 +00:00
{
2016-08-24 21:06:04 +00:00
defaultBitrate = StringHelper.EqualsIgnoreCase(targetAudioCodec, "ac3") ? 192000 : 128000;
2016-07-30 04:21:26 +00:00
}
2015-04-25 03:30:44 +00:00
2016-09-20 19:42:53 +00:00
if (StringHelper.EqualsIgnoreCase(subProtocol, "hls"))
{
2016-09-20 19:42:53 +00:00
defaultBitrate = Math.Min(384000, defaultBitrate);
}
else
{
defaultBitrate = Math.Min(448000, defaultBitrate);
2015-04-25 03:30:44 +00:00
}
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;
}
2014-06-23 16:05:19 +00:00
}
2014-04-01 22:23:07 +00:00
}
2016-09-20 19:42:53 +00:00
if (maxTotalBitrate.HasValue)
{
if (maxTotalBitrate.Value < 640000)
{
defaultBitrate = Math.Min(128000, defaultBitrate);
}
}
2015-04-25 03:30:44 +00:00
return Math.Min(defaultBitrate, encoderAudioBitrateLimit);
2014-04-01 22:23:07 +00:00
}
private PlayMethod? GetVideoDirectPlayProfile(VideoOptions options,
2014-04-24 05:08:10 +00:00
MediaSourceInfo mediaSource,
MediaStream videoStream,
2015-03-23 20:06:06 +00:00
MediaStream audioStream,
bool isEligibleForDirectPlay,
bool isEligibleForDirectStream)
2014-04-24 05:08:10 +00:00
{
DeviceProfile profile = options.Profile;
if (options.ForceDirectPlay)
{
return PlayMethod.DirectPlay;
}
if (options.ForceDirectStream)
{
return PlayMethod.DirectStream;
}
2015-11-02 17:25:01 +00:00
if (videoStream == null)
{
_logger.Info("Profile: {0}, Cannot direct stream with no known video stream. Path: {1}",
profile.Name ?? "Unknown Profile",
mediaSource.Path ?? "Unknown path");
return null;
}
2014-04-24 05:08:10 +00:00
// See if it can be direct played
2014-05-08 21:23:24 +00:00
DirectPlayProfile directPlay = null;
foreach (DirectPlayProfile i in profile.DirectPlayProfiles)
{
if (i.Type == DlnaProfileType.Video && IsVideoDirectPlaySupported(i, mediaSource, videoStream, audioStream))
{
directPlay = i;
break;
}
}
2014-04-24 05:08:10 +00:00
if (directPlay == null)
{
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_logger.Info("Profile: {0}, No direct play profiles found for Path: {1}",
2015-04-04 19:35:29 +00:00
profile.Name ?? "Unknown Profile",
2015-09-20 17:28:32 +00:00
mediaSource.Path ?? "Unknown path");
2014-04-24 05:08:10 +00:00
return null;
}
2014-05-08 20:09:53 +00:00
string container = mediaSource.Container;
2014-04-24 05:08:10 +00:00
2014-05-09 19:43:06 +00:00
List<ProfileCondition> conditions = new List<ProfileCondition>();
foreach (ContainerProfile i in profile.ContainerProfiles)
{
if (i.Type == DlnaProfileType.Video &&
2014-06-05 02:32:40 +00:00
ListHelper.ContainsIgnoreCase(i.GetContainers(), container))
2014-05-09 19:43:06 +00:00
{
2014-09-07 15:52:25 +00:00
foreach (ProfileCondition c in i.Conditions)
2014-07-01 04:06:28 +00:00
{
conditions.Add(c);
}
2014-05-09 19:43:06 +00:00
}
}
2014-04-24 05:08:10 +00:00
2014-05-08 20:09:53 +00:00
ConditionProcessor conditionProcessor = new ConditionProcessor();
2014-04-24 05:08:10 +00:00
2014-05-08 20:09:53 +00:00
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 ? null : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate;
2014-06-22 16:25:47 +00:00
bool? isAnamorphic = videoStream == null ? null : videoStream.IsAnamorphic;
2015-10-19 16:05:03 +00:00
string videoCodecTag = videoStream == null ? null : videoStream.CodecTag;
2014-04-24 05:08:10 +00:00
2014-05-08 20:09:53 +00:00
int? audioBitrate = audioStream == null ? null : audioStream.BitRate;
int? audioChannels = audioStream == null ? null : audioStream.Channels;
string audioProfile = audioStream == null ? null : audioStream.Profile;
2014-04-24 05:08:10 +00:00
2014-05-08 20:09:53 +00:00
TransportStreamTimestamp? timestamp = videoStream == null ? TransportStreamTimestamp.None : mediaSource.Timestamp;
int? packetLength = videoStream == null ? null : videoStream.PacketLength;
2014-09-09 01:15:31 +00:00
int? refFrames = videoStream == null ? null : videoStream.RefFrames;
2014-04-24 05:08:10 +00:00
int? numAudioStreams = mediaSource.GetStreamCount(MediaStreamType.Audio);
int? numVideoStreams = mediaSource.GetStreamCount(MediaStreamType.Video);
2014-04-24 05:08:10 +00:00
// Check container conditions
2014-05-09 19:43:06 +00:00
foreach (ProfileCondition i in conditions)
2014-04-24 05:08:10 +00:00
{
2016-04-04 00:01:03 +00:00
if (!conditionProcessor.IsVideoConditionSatisfied(i, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag))
2014-05-09 19:43:06 +00:00
{
2015-04-14 19:11:29 +00:00
LogConditionFailure(profile, "VideoContainerProfile", i, mediaSource);
2015-04-04 19:35:29 +00:00
2014-05-09 19:43:06 +00:00
return null;
}
2014-04-24 05:08:10 +00:00
}
2014-05-08 20:09:53 +00:00
string videoCodec = videoStream == null ? null : videoStream.Codec;
2014-04-24 05:08:10 +00:00
if (string.IsNullOrEmpty(videoCodec))
{
2015-10-05 03:24:24 +00:00
_logger.Info("Profile: {0}, DirectPlay=false. Reason=Unknown video codec. Path: {1}",
2015-04-04 19:35:29 +00:00
profile.Name ?? "Unknown Profile",
mediaSource.Path ?? "Unknown path");
2014-04-24 05:08:10 +00:00
return null;
}
2014-05-09 19:43:06 +00:00
conditions = new List<ProfileCondition>();
foreach (CodecProfile i in profile.CodecProfiles)
{
2015-05-07 03:11:51 +00:00
if (i.Type == CodecType.Video && i.ContainsCodec(videoCodec, container))
2014-07-01 04:06:28 +00:00
{
2016-07-09 17:39:04 +00:00
bool applyConditions = true;
foreach (ProfileCondition applyCondition in i.ApplyConditions)
2014-07-01 04:06:28 +00:00
{
2016-07-09 17:39:04 +00:00
if (!conditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag))
{
LogConditionFailure(profile, "VideoCodecProfile", applyCondition, mediaSource);
applyConditions = false;
break;
}
}
if (applyConditions)
{
foreach (ProfileCondition c in i.Conditions)
{
conditions.Add(c);
}
2014-07-01 04:06:28 +00:00
}
}
2014-05-09 19:43:06 +00:00
}
2014-04-24 05:08:10 +00:00
2014-05-09 19:43:06 +00:00
foreach (ProfileCondition i in conditions)
2014-04-24 05:08:10 +00:00
{
2016-04-04 00:01:03 +00:00
if (!conditionProcessor.IsVideoConditionSatisfied(i, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag))
2014-05-09 19:43:06 +00:00
{
2015-04-14 19:11:29 +00:00
LogConditionFailure(profile, "VideoCodecProfile", i, mediaSource);
2015-04-04 19:35:29 +00:00
2014-05-09 19:43:06 +00:00
return null;
}
2014-04-24 05:08:10 +00:00
}
if (audioStream != null)
{
2014-05-08 20:09:53 +00:00
string audioCodec = audioStream.Codec;
2014-04-24 05:08:10 +00:00
if (string.IsNullOrEmpty(audioCodec))
{
2015-10-05 03:24:24 +00:00
_logger.Info("Profile: {0}, DirectPlay=false. Reason=Unknown audio codec. Path: {1}",
2015-04-04 19:35:29 +00:00
profile.Name ?? "Unknown Profile",
mediaSource.Path ?? "Unknown path");
2014-04-24 05:08:10 +00:00
return null;
}
2014-05-09 19:43:06 +00:00
conditions = new List<ProfileCondition>();
2016-07-09 17:39:04 +00:00
bool? isSecondaryAudio = audioStream == null ? null : mediaSource.IsSecondaryAudio(audioStream);
2014-05-09 19:43:06 +00:00
foreach (CodecProfile i in profile.CodecProfiles)
{
2015-05-07 03:11:51 +00:00
if (i.Type == CodecType.VideoAudio && i.ContainsCodec(audioCodec, container))
2014-07-01 04:06:28 +00:00
{
2016-07-09 17:39:04 +00:00
bool applyConditions = true;
foreach (ProfileCondition applyCondition in i.ApplyConditions)
2014-07-01 04:06:28 +00:00
{
2016-07-09 17:39:04 +00:00
if (!conditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, audioBitrate, audioProfile, isSecondaryAudio))
{
LogConditionFailure(profile, "VideoAudioCodecProfile", applyCondition, mediaSource);
applyConditions = false;
break;
}
}
if (applyConditions)
{
foreach (ProfileCondition c in i.Conditions)
{
conditions.Add(c);
}
2014-07-01 04:06:28 +00:00
}
}
2014-05-09 19:43:06 +00:00
}
2014-04-24 05:08:10 +00:00
2014-05-09 19:43:06 +00:00
foreach (ProfileCondition i in conditions)
2014-04-24 05:08:10 +00:00
{
if (!conditionProcessor.IsVideoAudioConditionSatisfied(i, audioChannels, audioBitrate, audioProfile, isSecondaryAudio))
2014-05-09 19:43:06 +00:00
{
2015-04-14 19:11:29 +00:00
LogConditionFailure(profile, "VideoAudioCodecProfile", i, mediaSource);
2015-09-20 17:28:32 +00:00
2014-05-09 19:43:06 +00:00
return null;
}
2014-04-24 05:08:10 +00:00
}
}
2015-04-17 17:46:41 +00:00
if (isEligibleForDirectStream && mediaSource.SupportsDirectStream)
2015-03-17 03:51:35 +00:00
{
2015-04-17 17:46:41 +00:00
return PlayMethod.DirectStream;
2015-03-17 03:51:35 +00:00
}
2015-03-23 20:06:06 +00:00
return null;
2014-04-24 05:08:10 +00:00
}
2015-04-14 19:11:29 +00:00
private void LogConditionFailure(DeviceProfile profile, string type, ProfileCondition condition, MediaSourceInfo mediaSource)
{
2015-10-05 03:24:24 +00:00
_logger.Info("Profile: {0}, DirectPlay=false. Reason={1}.{2} Condition: {3}. ConditionValue: {4}. IsRequired: {5}. Path: {6}",
2015-04-14 19:11:29 +00:00
type,
profile.Name ?? "Unknown Profile",
condition.Property,
condition.Condition,
condition.Value ?? string.Empty,
condition.IsRequired,
mediaSource.Path ?? "Unknown path");
}
private bool IsEligibleForDirectPlay(MediaSourceInfo item,
int? maxBitrate,
MediaStream subtitleStream,
2015-07-13 21:26:11 +00:00
VideoOptions options,
PlayMethod playMethod)
2014-04-01 22:23:07 +00:00
{
if (subtitleStream != null)
2014-04-01 22:23:07 +00:00
{
2016-04-02 23:39:08 +00:00
SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, playMethod);
2015-01-15 05:54:42 +00:00
if (subtitleProfile.Method != SubtitleDeliveryMethod.External && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
{
2015-10-05 03:24:24 +00:00
_logger.Info("Not eligible for {0} due to unsupported subtitles", playMethod);
return false;
}
2014-04-01 22:23:07 +00:00
}
return IsAudioEligibleForDirectPlay(item, maxBitrate);
2014-04-06 17:53:23 +00:00
}
2016-04-02 23:39:08 +00:00
public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod)
{
2015-09-20 17:28:32 +00:00
if (playMethod != PlayMethod.Transcode && !subtitleStream.IsExternal)
2015-07-14 16:39:34 +00:00
{
// Look for supported embedded subs
foreach (SubtitleProfile profile in subtitleProfiles)
{
if (!profile.SupportsLanguage(subtitleStream.Language))
{
continue;
}
2015-07-31 02:34:15 +00:00
if (profile.Method != SubtitleDeliveryMethod.Embed)
{
continue;
}
if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && StringHelper.EqualsIgnoreCase(profile.Format, subtitleStream.Codec))
2015-07-14 16:39:34 +00:00
{
return profile;
}
}
}
2016-04-02 23:39:08 +00:00
// Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
2016-04-03 01:19:27 +00:00
return GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, true) ?? new SubtitleProfile
2016-04-02 23:39:08 +00:00
{
Method = SubtitleDeliveryMethod.Encode,
Format = subtitleStream.Codec
};
}
private static SubtitleProfile GetExternalSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, bool allowConversion)
{
2015-03-23 17:19:21 +00:00
foreach (SubtitleProfile profile in subtitleProfiles)
2015-09-20 17:28:32 +00:00
{
2016-03-06 21:31:56 +00:00
if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
2015-09-20 17:28:32 +00:00
{
continue;
}
2015-03-31 16:24:16 +00:00
2016-03-07 18:50:58 +00:00
if (profile.Method == SubtitleDeliveryMethod.Hls && playMethod != PlayMethod.Transcode)
{
continue;
}
2015-03-28 20:22:27 +00:00
if (!profile.SupportsLanguage(subtitleStream.Language))
{
continue;
}
2016-03-06 21:31:56 +00:00
if ((profile.Method == SubtitleDeliveryMethod.External && subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format)) ||
(profile.Method == SubtitleDeliveryMethod.Hls && subtitleStream.IsTextSubtitleStream))
{
2015-09-20 17:28:32 +00:00
bool requiresConversion = !StringHelper.EqualsIgnoreCase(subtitleStream.Codec, profile.Format);
2015-09-13 21:32:02 +00:00
2016-06-25 05:16:54 +00:00
if (!requiresConversion)
2015-03-31 16:24:16 +00:00
{
2016-06-25 05:16:54 +00:00
return profile;
2016-04-02 23:39:08 +00:00
}
2016-06-25 05:16:54 +00:00
if (!allowConversion)
2016-04-02 23:39:08 +00:00
{
2016-06-25 05:16:54 +00:00
continue;
2016-04-02 23:39:08 +00:00
}
2016-06-25 05:16:54 +00:00
if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
2016-04-02 23:39:08 +00:00
{
return profile;
}
}
2015-02-02 18:14:02 +00:00
}
2016-04-02 23:39:08 +00:00
return null;
}
private bool IsAudioEligibleForDirectPlay(MediaSourceInfo item, int? maxBitrate)
2014-04-06 17:53:23 +00:00
{
2016-04-13 20:49:16 +00:00
if (!maxBitrate.HasValue)
2015-07-10 18:30:42 +00:00
{
2016-04-13 20:49:16 +00:00
_logger.Info("Cannot direct play due to unknown supported bitrate");
return false;
2015-07-10 18:30:42 +00:00
}
2016-04-13 20:49:16 +00:00
if (!item.Bitrate.HasValue)
{
_logger.Info("Cannot direct play due to unknown content bitrate");
return false;
}
if (item.Bitrate.Value > maxBitrate.Value)
{
_logger.Info("Bitrate exceeds DirectPlay limit");
return false;
}
return true;
2014-04-01 22:23:07 +00:00
}
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 (string.IsNullOrEmpty(options.ItemId))
{
throw new ArgumentException("ItemId is required");
}
if (string.IsNullOrEmpty(options.DeviceId))
{
throw new ArgumentException("DeviceId is required");
}
if (options.Profile == null)
{
throw new ArgumentException("Profile is required");
}
if (options.MediaSources == null)
{
throw new ArgumentException("MediaSources is required");
}
}
private void ApplyTranscodingConditions(StreamInfo item, IEnumerable<ProfileCondition> conditions)
{
2014-05-09 19:43:06 +00:00
foreach (ProfileCondition condition in conditions)
2014-04-01 22:23:07 +00:00
{
2014-05-08 20:09:53 +00:00
string value = condition.Value;
2014-04-01 22:23:07 +00:00
2014-05-09 19:43:06 +00:00
if (string.IsNullOrEmpty(value))
{
continue;
}
2014-12-14 20:01:26 +00:00
// No way to express this
if (condition.Condition == ProfileConditionType.GreaterThanEqual)
{
continue;
}
2014-04-01 22:23:07 +00:00
switch (condition.Property)
{
case ProfileConditionValue.AudioBitrate:
{
int num;
if (IntHelper.TryParseCultureInvariant(value, out num))
2014-04-01 22:23:07 +00:00
{
item.AudioBitrate = num;
}
break;
}
case ProfileConditionValue.AudioChannels:
{
int num;
if (IntHelper.TryParseCultureInvariant(value, out num))
2014-04-01 22:23:07 +00:00
{
item.MaxAudioChannels = num;
}
break;
}
2014-06-22 16:25:47 +00:00
case ProfileConditionValue.IsAnamorphic:
2014-12-14 20:01:26 +00:00
case ProfileConditionValue.AudioProfile:
2014-04-01 22:23:07 +00:00
case ProfileConditionValue.Has64BitOffsets:
2014-04-24 05:08:10 +00:00
case ProfileConditionValue.PacketLength:
case ProfileConditionValue.NumAudioStreams:
case ProfileConditionValue.NumVideoStreams:
case ProfileConditionValue.IsSecondaryAudio:
2014-04-24 05:08:10 +00:00
case ProfileConditionValue.VideoTimestamp:
2014-04-01 22:23:07 +00:00
{
// Not supported yet
break;
}
2014-09-23 04:05:29 +00:00
case ProfileConditionValue.RefFrames:
{
int num;
if (IntHelper.TryParseCultureInvariant(value, out num))
{
item.MaxRefFrames = num;
}
break;
}
case ProfileConditionValue.VideoBitDepth:
{
int num;
if (IntHelper.TryParseCultureInvariant(value, out num))
{
item.MaxVideoBitDepth = num;
}
break;
}
2014-04-24 05:08:10 +00:00
case ProfileConditionValue.VideoProfile:
{
2014-10-20 03:04:45 +00:00
item.VideoProfile = (value ?? string.Empty).Split('|')[0];
2014-04-24 05:08:10 +00:00
break;
}
2014-04-01 22:23:07 +00:00
case ProfileConditionValue.Height:
{
int num;
if (IntHelper.TryParseCultureInvariant(value, out num))
2014-04-01 22:23:07 +00:00
{
item.MaxHeight = num;
}
break;
}
case ProfileConditionValue.VideoBitrate:
{
int num;
if (IntHelper.TryParseCultureInvariant(value, out num))
2014-04-01 22:23:07 +00:00
{
item.VideoBitrate = num;
}
break;
}
case ProfileConditionValue.VideoFramerate:
{
2014-06-23 16:05:19 +00:00
float num;
if (FloatHelper.TryParseCultureInvariant(value, out num))
2014-04-01 22:23:07 +00:00
{
item.MaxFramerate = num;
}
break;
}
case ProfileConditionValue.VideoLevel:
{
int num;
if (IntHelper.TryParseCultureInvariant(value, out num))
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{
item.VideoLevel = num;
}
break;
}
case ProfileConditionValue.Width:
{
int num;
if (IntHelper.TryParseCultureInvariant(value, out num))
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{
item.MaxWidth = num;
}
break;
}
}
}
}
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private bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audioStream)
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{
if (profile.Container.Length > 0)
{
// Check container type
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string mediaContainer = item.Container ?? string.Empty;
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bool any = false;
foreach (string i in profile.GetContainers())
{
if (StringHelper.EqualsIgnoreCase(i, mediaContainer))
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{
any = true;
break;
}
}
if (!any)
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{
return false;
}
}
// Check audio codec
List<string> audioCodecs = profile.GetAudioCodecs();
if (audioCodecs.Count > 0)
{
// Check audio codecs
string audioCodec = audioStream == null ? null : audioStream.Codec;
if (string.IsNullOrEmpty(audioCodec) || !ListHelper.ContainsIgnoreCase(audioCodecs, audioCodec))
{
return false;
}
}
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return true;
}
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private bool IsVideoDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream)
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{
if (profile.Container.Length > 0)
{
// Check container type
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string mediaContainer = item.Container ?? string.Empty;
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bool any = false;
foreach (string i in profile.GetContainers())
{
if (StringHelper.EqualsIgnoreCase(i, mediaContainer))
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{
any = true;
break;
}
}
if (!any)
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{
return false;
}
}
// Check video codec
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List<string> videoCodecs = profile.GetVideoCodecs();
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if (videoCodecs.Count > 0)
{
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string videoCodec = videoStream == null ? null : videoStream.Codec;
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if (string.IsNullOrEmpty(videoCodec) || !ListHelper.ContainsIgnoreCase(videoCodecs, videoCodec))
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{
return false;
}
}
// Check audio codec
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List<string> audioCodecs = profile.GetAudioCodecs();
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if (audioCodecs.Count > 0)
{
// Check audio codecs
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string audioCodec = audioStream == null ? null : audioStream.Codec;
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if (string.IsNullOrEmpty(audioCodec) || !ListHelper.ContainsIgnoreCase(audioCodecs, audioCodec))
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{
return false;
}
}
return true;
}
}
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}