1224 lines
50 KiB
C#
1224 lines
50 KiB
C#
using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Session;
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using System;
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using System.Collections.Generic;
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namespace MediaBrowser.Model.Dlna
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{
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public class StreamBuilder
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{
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private readonly ILogger _logger;
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private readonly ITranscoderSupport _transcoderSupport;
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public StreamBuilder(ITranscoderSupport transcoderSupport, ILogger logger)
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{
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_transcoderSupport = transcoderSupport;
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_logger = logger;
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}
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public StreamBuilder(ILogger logger)
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: this(new FullTranscoderSupport(), logger)
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{
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}
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public StreamInfo BuildAudioItem(AudioOptions options)
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{
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ValidateAudioInput(options);
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List<MediaSourceInfo> mediaSources = new List<MediaSourceInfo>();
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foreach (MediaSourceInfo i in options.MediaSources)
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{
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if (string.IsNullOrEmpty(options.MediaSourceId) ||
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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>();
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foreach (MediaSourceInfo i in mediaSources)
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{
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StreamInfo streamInfo = BuildAudioItem(i, options);
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if (streamInfo != null)
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{
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streams.Add(streamInfo);
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}
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}
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foreach (StreamInfo stream in streams)
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{
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stream.DeviceId = options.DeviceId;
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stream.DeviceProfileId = options.Profile.Id;
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}
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return GetOptimalStream(streams, options.GetMaxBitrate(true));
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}
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public StreamInfo BuildVideoItem(VideoOptions options)
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{
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ValidateInput(options);
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List<MediaSourceInfo> mediaSources = new List<MediaSourceInfo>();
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foreach (MediaSourceInfo i in options.MediaSources)
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{
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if (string.IsNullOrEmpty(options.MediaSourceId) ||
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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>();
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foreach (MediaSourceInfo i in mediaSources)
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{
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StreamInfo streamInfo = BuildVideoItem(i, options);
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if (streamInfo != null)
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{
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streams.Add(streamInfo);
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}
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}
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foreach (StreamInfo stream in streams)
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{
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stream.DeviceId = options.DeviceId;
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stream.DeviceProfileId = options.Profile.Id;
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}
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return GetOptimalStream(streams, options.GetMaxBitrate(false));
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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)
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{
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return stream;
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}
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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,
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DeviceProfile = options.Profile
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};
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if (options.ForceDirectPlay)
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{
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playlistItem.PlayMethod = PlayMethod.DirectPlay;
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playlistItem.Container = item.Container;
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return playlistItem;
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}
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if (options.ForceDirectStream)
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{
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playlistItem.PlayMethod = PlayMethod.DirectStream;
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playlistItem.Container = item.Container;
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return playlistItem;
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}
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MediaStream audioStream = item.GetDefaultAudioStream(null);
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List<PlayMethod> directPlayMethods = GetAudioDirectPlayMethods(item, audioStream, options);
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ConditionProcessor conditionProcessor = new ConditionProcessor();
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int? inputAudioChannels = audioStream == null ? null : audioStream.Channels;
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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
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if (!string.IsNullOrEmpty(audioCodec))
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{
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List<ProfileCondition> conditions = new List<ProfileCondition>();
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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;
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foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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if (!conditionProcessor.IsAudioConditionSatisfied(applyCondition, inputAudioChannels, inputAudioBitrate))
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{
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LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
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applyConditions = false;
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break;
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}
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}
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if (applyConditions)
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{
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foreach (ProfileCondition c in i.Conditions)
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{
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conditions.Add(c);
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}
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}
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}
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}
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bool all = true;
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foreach (ProfileCondition c in conditions)
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{
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if (!conditionProcessor.IsAudioConditionSatisfied(c, inputAudioChannels, inputAudioBitrate))
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{
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LogConditionFailure(options.Profile, "AudioCodecProfile", c, item);
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all = false;
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break;
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}
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}
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if (all)
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{
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if (directPlayMethods.Contains(PlayMethod.DirectStream))
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{
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playlistItem.PlayMethod = PlayMethod.DirectStream;
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}
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playlistItem.Container = item.Container;
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return playlistItem;
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}
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}
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}
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TranscodingProfile transcodingProfile = null;
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foreach (TranscodingProfile i in options.Profile.TranscodingProfiles)
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{
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if (i.Type == playlistItem.MediaType && i.Context == options.Context)
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{
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if (_transcoderSupport.CanEncodeToAudioCodec(i.AudioCodec ?? i.Container))
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{
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transcodingProfile = i;
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break;
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}
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}
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}
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if (transcodingProfile != null)
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{
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if (!item.SupportsTranscoding)
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{
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return null;
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}
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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))
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{
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playlistItem.AudioCodecs = new string[] { };
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}
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else
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{
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playlistItem.AudioCodecs = transcodingProfile.AudioCodec.Split(',');
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}
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playlistItem.SubProtocol = transcodingProfile.Protocol;
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List<CodecProfile> audioCodecProfiles = new List<CodecProfile>();
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foreach (CodecProfile i in options.Profile.CodecProfiles)
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{
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if (i.Type == CodecType.Audio && i.ContainsCodec(transcodingProfile.AudioCodec, transcodingProfile.Container))
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{
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audioCodecProfiles.Add(i);
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}
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if (audioCodecProfiles.Count >= 1) break;
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}
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List<ProfileCondition> audioTranscodingConditions = new List<ProfileCondition>();
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foreach (CodecProfile i in audioCodecProfiles)
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{
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bool applyConditions = true;
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foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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if (!conditionProcessor.IsAudioConditionSatisfied(applyCondition, inputAudioChannels, inputAudioBitrate))
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{
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LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
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applyConditions = false;
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break;
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}
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}
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if (applyConditions)
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{
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foreach (ProfileCondition c in i.Conditions)
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{
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audioTranscodingConditions.Add(c);
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}
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}
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}
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ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
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// Honor requested max channels
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if (options.MaxAudioChannels.HasValue)
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{
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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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}
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int transcodingBitrate = options.AudioTranscodingBitrate ??
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options.Profile.MusicStreamingTranscodingBitrate ??
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128000;
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int? configuredBitrate = options.GetMaxBitrate(true);
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if (configuredBitrate.HasValue)
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{
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transcodingBitrate = Math.Min(configuredBitrate.Value, transcodingBitrate);
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}
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playlistItem.AudioBitrate = Math.Min(transcodingBitrate, playlistItem.AudioBitrate ?? transcodingBitrate);
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}
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return playlistItem;
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}
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private int? GetBitrateForDirectPlayCheck(MediaSourceInfo item, AudioOptions options, bool isAudio)
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{
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if (item.Protocol == MediaProtocol.File)
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{
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return options.Profile.MaxStaticBitrate;
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}
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return options.GetMaxBitrate(isAudio);
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}
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private List<PlayMethod> GetAudioDirectPlayMethods(MediaSourceInfo item, MediaStream audioStream, AudioOptions options)
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{
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DirectPlayProfile directPlayProfile = null;
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foreach (DirectPlayProfile i in options.Profile.DirectPlayProfiles)
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{
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if (i.Type == DlnaProfileType.Audio && IsAudioDirectPlaySupported(i, item, audioStream))
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{
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directPlayProfile = i;
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break;
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}
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}
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List<PlayMethod> playMethods = new List<PlayMethod>();
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if (directPlayProfile != null)
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{
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// While options takes the network and other factors into account. Only applies to direct stream
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if (item.SupportsDirectStream && IsAudioEligibleForDirectPlay(item, options.GetMaxBitrate(true)) && options.EnableDirectStream)
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{
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playMethods.Add(PlayMethod.DirectStream);
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}
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// The profile describes what the device supports
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// If device requirements are satisfied then allow both direct stream and direct play
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if (item.SupportsDirectPlay &&
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IsAudioEligibleForDirectPlay(item, GetBitrateForDirectPlayCheck(item, options, true)) && options.EnableDirectPlay)
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{
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playMethods.Add(PlayMethod.DirectPlay);
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}
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}
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else
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{
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_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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}
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private int? GetDefaultSubtitleStreamIndex(MediaSourceInfo item, SubtitleProfile[] subtitleProfiles)
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{
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int highestScore = -1;
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foreach (MediaStream stream in item.MediaStreams)
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{
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if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue)
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{
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if (stream.Score.Value > highestScore)
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{
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highestScore = stream.Score.Value;
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}
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}
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}
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List<MediaStream> topStreams = new List<MediaStream>();
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foreach (MediaStream stream in item.MediaStreams)
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{
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if (stream.Type == MediaStreamType.Subtitle && stream.Score.HasValue && stream.Score.Value == highestScore)
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{
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topStreams.Add(stream);
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}
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}
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// If multiple streams have an equal score, try to pick the most efficient one
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if (topStreams.Count > 1)
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{
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foreach (MediaStream stream in topStreams)
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{
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foreach (SubtitleProfile profile in subtitleProfiles)
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{
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if (profile.Method == SubtitleDeliveryMethod.External && StringHelper.EqualsIgnoreCase(profile.Format, stream.Codec))
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{
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return stream.Index;
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}
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}
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}
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}
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// If no optimization panned out, just use the original default
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return item.DefaultSubtitleStreamIndex;
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}
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private StreamInfo BuildVideoItem(MediaSourceInfo item, VideoOptions 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.Video,
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MediaSource = item,
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RunTimeTicks = item.RunTimeTicks,
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Context = options.Context,
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DeviceProfile = options.Profile
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};
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playlistItem.SubtitleStreamIndex = options.SubtitleStreamIndex ?? GetDefaultSubtitleStreamIndex(item, options.Profile.SubtitleProfiles);
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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;
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if (audioStream != null)
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{
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audioStreamIndex = audioStream.Index;
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}
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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));
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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",
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item.Path ?? "Unknown path",
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isEligibleForDirectPlay,
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isEligibleForDirectStream);
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if (isEligibleForDirectPlay || isEligibleForDirectStream)
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{
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// See if it can be direct played
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PlayMethod? directPlay = GetVideoDirectPlayProfile(options, item, videoStream, audioStream, isEligibleForDirectPlay, isEligibleForDirectStream);
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if (directPlay != null)
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{
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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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{
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SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value);
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playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
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playlistItem.SubtitleFormat = subtitleProfile.Format;
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}
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return playlistItem;
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}
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}
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// Can't direct play, find the transcoding profile
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TranscodingProfile transcodingProfile = null;
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foreach (TranscodingProfile i in options.Profile.TranscodingProfiles)
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{
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if (i.Type == playlistItem.MediaType && i.Context == options.Context)
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{
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transcodingProfile = i;
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break;
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}
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}
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if (transcodingProfile != null)
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{
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if (!item.SupportsTranscoding)
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{
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return null;
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}
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if (subtitleStream != null)
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{
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SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode);
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playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
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playlistItem.SubtitleFormat = subtitleProfile.Format;
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}
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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;
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playlistItem.CopyTimestamps = transcodingProfile.CopyTimestamps;
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playlistItem.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;
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playlistItem.EnableSplittingOnNonKeyFrames = transcodingProfile.EnableSplittingOnNonKeyFrames;
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if (!string.IsNullOrEmpty(transcodingProfile.MaxAudioChannels))
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{
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int transcodingMaxAudioChannels;
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if (IntHelper.TryParseCultureInvariant(transcodingProfile.MaxAudioChannels, out transcodingMaxAudioChannels))
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{
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playlistItem.TranscodingMaxAudioChannels = transcodingMaxAudioChannels;
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}
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}
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playlistItem.SubProtocol = transcodingProfile.Protocol;
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playlistItem.AudioStreamIndex = audioStreamIndex;
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ConditionProcessor conditionProcessor = new ConditionProcessor();
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List<ProfileCondition> videoTranscodingConditions = new List<ProfileCondition>();
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foreach (CodecProfile i in options.Profile.CodecProfiles)
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{
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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;
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foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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bool? isSecondaryAudio = audioStream == null ? null : item.IsSecondaryAudio(audioStream);
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int? inputAudioBitrate = audioStream == null ? null : audioStream.BitRate;
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int? audioChannels = audioStream == null ? null : audioStream.Channels;
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string audioProfile = audioStream == null ? null : audioStream.Profile;
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if (!conditionProcessor.IsVideoAudioConditionSatisfied(applyCondition, audioChannels, inputAudioBitrate, audioProfile, isSecondaryAudio))
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{
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LogConditionFailure(options.Profile, "AudioCodecProfile", applyCondition, item);
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applyConditions = false;
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break;
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}
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}
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if (applyConditions)
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{
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foreach (ProfileCondition c in i.Conditions)
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{
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videoTranscodingConditions.Add(c);
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}
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break;
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}
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}
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}
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ApplyTranscodingConditions(playlistItem, videoTranscodingConditions);
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List<ProfileCondition> audioTranscodingConditions = new List<ProfileCondition>();
|
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foreach (CodecProfile i in options.Profile.CodecProfiles)
|
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{
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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;
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foreach (ProfileCondition applyCondition in i.ApplyConditions)
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{
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int? width = videoStream == null ? null : videoStream.Width;
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int? height = videoStream == null ? null : videoStream.Height;
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int? bitDepth = videoStream == null ? null : videoStream.BitDepth;
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int? videoBitrate = videoStream == null ? null : videoStream.BitRate;
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double? videoLevel = videoStream == null ? null : videoStream.Level;
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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;
|
|
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, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc))
|
|
{
|
|
LogConditionFailure(options.Profile, "VideoCodecProfile", applyCondition, item);
|
|
applyConditions = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (applyConditions)
|
|
{
|
|
foreach (ProfileCondition c in i.Conditions)
|
|
{
|
|
audioTranscodingConditions.Add(c);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
|
|
|
|
// Honor requested max channels
|
|
if (options.MaxAudioChannels.HasValue)
|
|
{
|
|
int currentValue = playlistItem.MaxAudioChannels ?? options.MaxAudioChannels.Value;
|
|
|
|
playlistItem.MaxAudioChannels = Math.Min(options.MaxAudioChannels.Value, currentValue);
|
|
}
|
|
|
|
int audioBitrate = GetAudioBitrate(playlistItem.SubProtocol, options.GetMaxBitrate(false), playlistItem.TargetAudioChannels, playlistItem.TargetAudioCodec, audioStream);
|
|
playlistItem.AudioBitrate = Math.Min(playlistItem.AudioBitrate ?? audioBitrate, audioBitrate);
|
|
|
|
int? maxBitrateSetting = options.GetMaxBitrate(false);
|
|
// Honor max rate
|
|
if (maxBitrateSetting.HasValue)
|
|
{
|
|
int videoBitrate = maxBitrateSetting.Value;
|
|
|
|
if (playlistItem.AudioBitrate.HasValue)
|
|
{
|
|
videoBitrate -= playlistItem.AudioBitrate.Value;
|
|
}
|
|
|
|
// Make sure the video bitrate is lower than bitrate settings but at least 64k
|
|
int currentValue = playlistItem.VideoBitrate ?? videoBitrate;
|
|
playlistItem.VideoBitrate = Math.Max(Math.Min(videoBitrate, currentValue), 64000);
|
|
}
|
|
}
|
|
|
|
return playlistItem;
|
|
}
|
|
|
|
private int GetAudioBitrate(string subProtocol, int? maxTotalBitrate, int? targetAudioChannels, string targetAudioCodec, MediaStream audioStream)
|
|
{
|
|
int defaultBitrate = audioStream == null ? 192000 : audioStream.BitRate ?? 192000;
|
|
// Reduce the bitrate if we're downmixing
|
|
if (targetAudioChannels.HasValue && audioStream != null && audioStream.Channels.HasValue && targetAudioChannels.Value < audioStream.Channels.Value)
|
|
{
|
|
defaultBitrate = StringHelper.EqualsIgnoreCase(targetAudioCodec, "ac3") ? 192000 : 128000;
|
|
}
|
|
|
|
if (StringHelper.EqualsIgnoreCase(subProtocol, "hls"))
|
|
{
|
|
defaultBitrate = Math.Min(384000, defaultBitrate);
|
|
}
|
|
else
|
|
{
|
|
defaultBitrate = Math.Min(448000, defaultBitrate);
|
|
}
|
|
|
|
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.HasValue)
|
|
{
|
|
if (maxTotalBitrate.Value < 640000)
|
|
{
|
|
defaultBitrate = Math.Min(128000, defaultBitrate);
|
|
}
|
|
}
|
|
|
|
return Math.Min(defaultBitrate, encoderAudioBitrateLimit);
|
|
}
|
|
|
|
private PlayMethod? GetVideoDirectPlayProfile(VideoOptions options,
|
|
MediaSourceInfo mediaSource,
|
|
MediaStream videoStream,
|
|
MediaStream audioStream,
|
|
bool isEligibleForDirectPlay,
|
|
bool isEligibleForDirectStream)
|
|
{
|
|
DeviceProfile profile = options.Profile;
|
|
|
|
if (options.ForceDirectPlay)
|
|
{
|
|
return PlayMethod.DirectPlay;
|
|
}
|
|
if (options.ForceDirectStream)
|
|
{
|
|
return PlayMethod.DirectStream;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
// See if it can be direct played
|
|
DirectPlayProfile directPlay = null;
|
|
foreach (DirectPlayProfile i in profile.DirectPlayProfiles)
|
|
{
|
|
if (i.Type == DlnaProfileType.Video && IsVideoDirectPlaySupported(i, mediaSource, videoStream, audioStream))
|
|
{
|
|
directPlay = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (directPlay == null)
|
|
{
|
|
_logger.Info("Profile: {0}, No direct play profiles found for Path: {1}",
|
|
profile.Name ?? "Unknown Profile",
|
|
mediaSource.Path ?? "Unknown path");
|
|
|
|
return null;
|
|
}
|
|
|
|
string container = mediaSource.Container;
|
|
|
|
List<ProfileCondition> conditions = new List<ProfileCondition>();
|
|
foreach (ContainerProfile i in profile.ContainerProfiles)
|
|
{
|
|
if (i.Type == DlnaProfileType.Video &&
|
|
ListHelper.ContainsIgnoreCase(i.GetContainers(), container))
|
|
{
|
|
foreach (ProfileCondition c in i.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
ConditionProcessor 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 ? null : videoStream.AverageFrameRate ?? videoStream.AverageFrameRate;
|
|
bool? isAnamorphic = videoStream == null ? null : videoStream.IsAnamorphic;
|
|
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;
|
|
|
|
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 (ProfileCondition i in conditions)
|
|
{
|
|
if (!conditionProcessor.IsVideoConditionSatisfied(i, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc))
|
|
{
|
|
LogConditionFailure(profile, "VideoContainerProfile", i, mediaSource);
|
|
|
|
return null;
|
|
}
|
|
}
|
|
|
|
string videoCodec = videoStream == null ? null : videoStream.Codec;
|
|
|
|
if (string.IsNullOrEmpty(videoCodec))
|
|
{
|
|
_logger.Info("Profile: {0}, DirectPlay=false. Reason=Unknown video codec. Path: {1}",
|
|
profile.Name ?? "Unknown Profile",
|
|
mediaSource.Path ?? "Unknown path");
|
|
|
|
return null;
|
|
}
|
|
|
|
conditions = new List<ProfileCondition>();
|
|
foreach (CodecProfile i in profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.Video && i.ContainsCodec(videoCodec, container))
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (ProfileCondition applyCondition in i.ApplyConditions)
|
|
{
|
|
if (!conditionProcessor.IsVideoConditionSatisfied(applyCondition, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc))
|
|
{
|
|
LogConditionFailure(profile, "VideoCodecProfile", applyCondition, mediaSource);
|
|
applyConditions = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (applyConditions)
|
|
{
|
|
foreach (ProfileCondition c in i.Conditions)
|
|
{
|
|
conditions.Add(c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (ProfileCondition i in conditions)
|
|
{
|
|
if (!conditionProcessor.IsVideoConditionSatisfied(i, width, height, bitDepth, videoBitrate, videoProfile, videoLevel, videoFramerate, packetLength, timestamp, isAnamorphic, refFrames, numVideoStreams, numAudioStreams, videoCodecTag, isAvc))
|
|
{
|
|
LogConditionFailure(profile, "VideoCodecProfile", i, mediaSource);
|
|
|
|
return null;
|
|
}
|
|
}
|
|
|
|
if (audioStream != null)
|
|
{
|
|
string audioCodec = audioStream.Codec;
|
|
|
|
if (string.IsNullOrEmpty(audioCodec))
|
|
{
|
|
_logger.Info("Profile: {0}, DirectPlay=false. Reason=Unknown audio codec. Path: {1}",
|
|
profile.Name ?? "Unknown Profile",
|
|
mediaSource.Path ?? "Unknown path");
|
|
|
|
return null;
|
|
}
|
|
|
|
conditions = new List<ProfileCondition>();
|
|
bool? isSecondaryAudio = audioStream == null ? null : mediaSource.IsSecondaryAudio(audioStream);
|
|
|
|
foreach (CodecProfile i in profile.CodecProfiles)
|
|
{
|
|
if (i.Type == CodecType.VideoAudio && i.ContainsCodec(audioCodec, container))
|
|
{
|
|
bool applyConditions = true;
|
|
foreach (ProfileCondition applyCondition in i.ApplyConditions)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (ProfileCondition i in conditions)
|
|
{
|
|
if (!conditionProcessor.IsVideoAudioConditionSatisfied(i, audioChannels, audioBitrate, audioProfile, isSecondaryAudio))
|
|
{
|
|
LogConditionFailure(profile, "VideoAudioCodecProfile", i, mediaSource);
|
|
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isEligibleForDirectStream && mediaSource.SupportsDirectStream)
|
|
{
|
|
return PlayMethod.DirectStream;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private void LogConditionFailure(DeviceProfile profile, string type, ProfileCondition condition, MediaSourceInfo mediaSource)
|
|
{
|
|
_logger.Info("Profile: {0}, DirectPlay=false. Reason={1}.{2} Condition: {3}. ConditionValue: {4}. IsRequired: {5}. Path: {6}",
|
|
type,
|
|
profile.Name ?? "Unknown Profile",
|
|
condition.Property,
|
|
condition.Condition,
|
|
condition.Value ?? string.Empty,
|
|
condition.IsRequired,
|
|
mediaSource.Path ?? "Unknown path");
|
|
}
|
|
|
|
private bool IsEligibleForDirectPlay(MediaSourceInfo item,
|
|
int? maxBitrate,
|
|
MediaStream subtitleStream,
|
|
VideoOptions options,
|
|
PlayMethod playMethod)
|
|
{
|
|
if (subtitleStream != null)
|
|
{
|
|
SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, playMethod);
|
|
|
|
if (subtitleProfile.Method != SubtitleDeliveryMethod.External && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
|
|
{
|
|
_logger.Info("Not eligible for {0} due to unsupported subtitles", playMethod);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return IsAudioEligibleForDirectPlay(item, maxBitrate);
|
|
}
|
|
|
|
public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod)
|
|
{
|
|
if (playMethod != PlayMethod.Transcode && !subtitleStream.IsExternal)
|
|
{
|
|
// Look for supported embedded subs
|
|
foreach (SubtitleProfile profile in subtitleProfiles)
|
|
{
|
|
if (!profile.SupportsLanguage(subtitleStream.Language))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (profile.Method != SubtitleDeliveryMethod.Embed)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && StringHelper.EqualsIgnoreCase(profile.Format, subtitleStream.Codec))
|
|
{
|
|
return profile;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
|
|
return GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, true) ?? new SubtitleProfile
|
|
{
|
|
Method = SubtitleDeliveryMethod.Encode,
|
|
Format = subtitleStream.Codec
|
|
};
|
|
}
|
|
|
|
private static SubtitleProfile GetExternalSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, bool allowConversion)
|
|
{
|
|
foreach (SubtitleProfile 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 ((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;
|
|
}
|
|
|
|
if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
|
|
{
|
|
return profile;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private bool IsAudioEligibleForDirectPlay(MediaSourceInfo item, int? maxBitrate)
|
|
{
|
|
if (!maxBitrate.HasValue)
|
|
{
|
|
_logger.Info("Cannot direct play due to unknown supported bitrate");
|
|
return false;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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)
|
|
{
|
|
foreach (ProfileCondition condition in conditions)
|
|
{
|
|
string value = condition.Value;
|
|
|
|
if (string.IsNullOrEmpty(value))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// No way to express this
|
|
if (condition.Condition == ProfileConditionType.GreaterThanEqual)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
switch (condition.Property)
|
|
{
|
|
case ProfileConditionValue.AudioBitrate:
|
|
{
|
|
int num;
|
|
if (IntHelper.TryParseCultureInvariant(value, out num))
|
|
{
|
|
item.AudioBitrate = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.AudioChannels:
|
|
{
|
|
int num;
|
|
if (IntHelper.TryParseCultureInvariant(value, out num))
|
|
{
|
|
item.MaxAudioChannels = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.IsAnamorphic:
|
|
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:
|
|
{
|
|
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;
|
|
}
|
|
case ProfileConditionValue.VideoProfile:
|
|
{
|
|
item.VideoProfile = (value ?? string.Empty).Split('|')[0];
|
|
break;
|
|
}
|
|
case ProfileConditionValue.Height:
|
|
{
|
|
int num;
|
|
if (IntHelper.TryParseCultureInvariant(value, out num))
|
|
{
|
|
item.MaxHeight = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.VideoBitrate:
|
|
{
|
|
int num;
|
|
if (IntHelper.TryParseCultureInvariant(value, out num))
|
|
{
|
|
item.VideoBitrate = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.VideoFramerate:
|
|
{
|
|
float num;
|
|
if (FloatHelper.TryParseCultureInvariant(value, out num))
|
|
{
|
|
item.MaxFramerate = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.VideoLevel:
|
|
{
|
|
int num;
|
|
if (IntHelper.TryParseCultureInvariant(value, out num))
|
|
{
|
|
item.VideoLevel = num;
|
|
}
|
|
break;
|
|
}
|
|
case ProfileConditionValue.Width:
|
|
{
|
|
int num;
|
|
if (IntHelper.TryParseCultureInvariant(value, out num))
|
|
{
|
|
item.MaxWidth = num;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private bool IsAudioDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream audioStream)
|
|
{
|
|
if (profile.Container.Length > 0)
|
|
{
|
|
// Check container type
|
|
string mediaContainer = item.Container ?? string.Empty;
|
|
bool any = false;
|
|
foreach (string i in profile.GetContainers())
|
|
{
|
|
if (StringHelper.EqualsIgnoreCase(i, mediaContainer))
|
|
{
|
|
any = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!any)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private bool IsVideoDirectPlaySupported(DirectPlayProfile profile, MediaSourceInfo item, MediaStream videoStream, MediaStream audioStream)
|
|
{
|
|
if (profile.Container.Length > 0)
|
|
{
|
|
// Check container type
|
|
string mediaContainer = item.Container ?? string.Empty;
|
|
bool any = false;
|
|
foreach (string i in profile.GetContainers())
|
|
{
|
|
if (StringHelper.EqualsIgnoreCase(i, mediaContainer))
|
|
{
|
|
any = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!any)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Check video codec
|
|
List<string> videoCodecs = profile.GetVideoCodecs();
|
|
if (videoCodecs.Count > 0)
|
|
{
|
|
string videoCodec = videoStream == null ? null : videoStream.Codec;
|
|
if (string.IsNullOrEmpty(videoCodec) || !ListHelper.ContainsIgnoreCase(videoCodecs, videoCodec))
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
} |