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stub out media stream selector
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parent
6314428830
commit
dc3fa99ea5
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@ -560,6 +560,9 @@
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<Compile Include="..\MediaBrowser.Model\MediaInfo\IBlurayExaminer.cs">
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<Link>MediaInfo\IBlurayExaminer.cs</Link>
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</Compile>
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<Compile Include="..\MediaBrowser.Model\MediaInfo\MediaStreamSelector.cs">
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<Link>MediaInfo\MediaStreamSelector.cs</Link>
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</Compile>
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<Compile Include="..\MediaBrowser.Model\MediaInfo\SubtitleFormat.cs">
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<Link>MediaInfo\SubtitleFormat.cs</Link>
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</Compile>
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@ -541,6 +541,9 @@
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<Compile Include="..\MediaBrowser.Model\MediaInfo\IBlurayExaminer.cs">
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<Link>MediaInfo\IBlurayExaminer.cs</Link>
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</Compile>
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<Compile Include="..\MediaBrowser.Model\MediaInfo\MediaStreamSelector.cs">
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<Link>MediaInfo\MediaStreamSelector.cs</Link>
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</Compile>
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<Compile Include="..\MediaBrowser.Model\MediaInfo\SubtitleFormat.cs">
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<Link>MediaInfo\SubtitleFormat.cs</Link>
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</Compile>
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@ -172,6 +172,7 @@
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<Compile Include="Logging\NullLogger.cs" />
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<Compile Include="MediaInfo\AudioCodec.cs" />
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<Compile Include="MediaInfo\Container.cs" />
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<Compile Include="MediaInfo\MediaStreamSelector.cs" />
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<Compile Include="MediaInfo\SubtitleFormat.cs" />
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<Compile Include="MediaInfo\TransportStreamTimestamp.cs" />
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<Compile Include="MediaInfo\VideoCodec.cs" />
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91
MediaBrowser.Model/MediaInfo/MediaStreamSelector.cs
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91
MediaBrowser.Model/MediaInfo/MediaStreamSelector.cs
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@ -0,0 +1,91 @@
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace MediaBrowser.Model.MediaInfo
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{
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public static class MediaStreamSelector
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{
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public static int? GetDefaultAudioStreamIndex(MediaSourceInfo mediaSource, IEnumerable<string> preferredLanguages, bool preferDefaultTrack)
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{
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var streams = GetSortedStreams(mediaSource.MediaStreams, MediaStreamType.Audio, preferredLanguages.FirstOrDefault())
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.ToList();
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if (preferDefaultTrack)
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{
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var defaultStream = streams.FirstOrDefault(i => i.IsDefault);
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if (defaultStream != null)
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{
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return defaultStream.Index;
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}
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}
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var stream = streams.FirstOrDefault();
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if (stream != null)
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{
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return stream.Index;
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}
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return null;
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}
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public static int? GetDefaultSubtitleStreamIndex(MediaSourceInfo mediaSource,
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IEnumerable<string> preferredLanguages,
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SubtitlePlaybackMode mode,
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string audioTrackLanguage)
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{
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var streams = GetSortedStreams(mediaSource.MediaStreams, MediaStreamType.Subtitle, preferredLanguages.FirstOrDefault())
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.ToList();
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MediaStream stream = null;
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if (mode == SubtitlePlaybackMode.Default)
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{
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stream = streams.FirstOrDefault(i => i.IsDefault);
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}
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else if (mode == SubtitlePlaybackMode.Always)
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{
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stream = streams.FirstOrDefault(i => i.IsDefault) ??
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streams.FirstOrDefault();
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}
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else if (mode == SubtitlePlaybackMode.OnlyForced)
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{
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stream = streams.FirstOrDefault(i => i.IsForced);
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}
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if (stream != null)
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{
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return stream.Index;
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}
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return null;
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}
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private static IEnumerable<MediaStream> GetSortedStreams(IEnumerable<MediaStream> streams, MediaStreamType type, string defaultLanguage)
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{
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var orderStreams = streams
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.Where(i => i.Type == type);
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// For subs give a preference to text for performance
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if (string.IsNullOrEmpty(defaultLanguage))
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{
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return orderStreams.OrderBy(i => i.IsDefault)
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.ThenBy(i => !i.IsGraphicalSubtitleStream)
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.ThenBy(i => i.Index)
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.ToList();
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}
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return orderStreams.OrderBy(i => string.Equals(i.Language, defaultLanguage, StringComparison.OrdinalIgnoreCase))
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.ThenBy(i => i.IsDefault)
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.ThenBy(i => !i.IsGraphicalSubtitleStream)
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.ThenBy(i => i.Index)
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.ToList();
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}
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}
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}
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