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Only reselect audio streams when user preference is respected (#13832)

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gnattu 2025-04-09 09:22:30 +08:00 committed by GitHub
parent c152f610ce
commit 32fe92d8f5
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5 changed files with 79 additions and 4 deletions
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10
Emby.Server.Implementations/Library/MediaSourceManager.cs
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@ -427,6 +427,7 @@ namespace Emby.Server.Implementations.Library
if (source.MediaStreams.Any(i => i.Type == MediaStreamType.Audio && i.Index == index))
{
source.DefaultAudioStreamIndex = index;
source.DefaultAudioIndexSource = AudioIndexSource.User;
return;
}
}
@ -434,6 +435,15 @@ namespace Emby.Server.Implementations.Library
var preferredAudio = NormalizeLanguage(user.AudioLanguagePreference);
source.DefaultAudioStreamIndex = MediaStreamSelector.GetDefaultAudioStreamIndex(source.MediaStreams, preferredAudio, user.PlayDefaultAudioTrack);
if (user.PlayDefaultAudioTrack)
{
source.DefaultAudioIndexSource |= AudioIndexSource.Default;
}
if (preferredAudio.Count > 0)
{
source.DefaultAudioIndexSource |= AudioIndexSource.Language;
}
}
public void SetDefaultAudioAndSubtitleStreamIndices(BaseItem item, MediaSourceInfo source, User user)

7
Jellyfin.Api/Helpers/MediaInfoHelper.cs
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@ -129,6 +129,13 @@ public class MediaInfoHelper
var mediaSourcesClone = JsonSerializer.Deserialize<MediaSourceInfo[]>(JsonSerializer.SerializeToUtf8Bytes(mediaSources));
if (mediaSourcesClone is not null)
{
// Carry over the default audio index source.
// This field is not intended to be exposed to API clients, but it is used internally by the server
for (int i = 0; i < mediaSourcesClone.Length && i < mediaSources.Length; i++)
{
mediaSourcesClone[i].DefaultAudioIndexSource = mediaSources[i].DefaultAudioIndexSource;
}
result.MediaSources = mediaSourcesClone;
}

32
MediaBrowser.Model/Dlna/StreamBuilder.cs
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@ -665,15 +665,39 @@ namespace MediaBrowser.Model.Dlna
// Collect candidate audio streams
ICollection<MediaStream> candidateAudioStreams = audioStream is null ? [] : [audioStream];
if (!options.AudioStreamIndex.HasValue || options.AudioStreamIndex < 0)
// When the index is explicitly required by client or the default is specified by user, don't do any stream reselection.
if (!item.DefaultAudioIndexSource.HasFlag(AudioIndexSource.User) && (options.AudioStreamIndex is null or < 0))
{
if (audioStream?.IsDefault == true)
// When user has no preferences allow stream selection on all streams.
if (item.DefaultAudioIndexSource == AudioIndexSource.None && audioStream is not null)
{
candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.IsDefault).ToArray();
candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio).ToArray();
if (audioStream.IsDefault)
{
// If default is picked, only allow selection within default streams.
candidateAudioStreams = candidateAudioStreams.Where(stream => stream.IsDefault).ToArray();
}
}
else
if (item.DefaultAudioIndexSource.HasFlag(AudioIndexSource.Language))
{
// If user has language preference, only allow stream selection within the same language.
candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.Language == audioStream?.Language).ToArray();
if (item.DefaultAudioIndexSource.HasFlag(AudioIndexSource.Default))
{
var defaultStreamsInPreferredLanguage = candidateAudioStreams.Where(stream => stream.IsDefault).ToArray();
// If the user also prefers default streams, try limit selection within default tracks in the same language.
// If there is no default stream in the preferred language, allow selection on all default streams to match the "Play default audio track regardless of language" setting.
candidateAudioStreams = defaultStreamsInPreferredLanguage.Length > 0
? defaultStreamsInPreferredLanguage
: item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.IsDefault).ToArray();
}
}
else if (item.DefaultAudioIndexSource.HasFlag(AudioIndexSource.Default))
{
// If user prefers default streams, only allow stream selection on default streams.
candidateAudioStreams = item.MediaStreams.Where(stream => stream.Type == MediaStreamType.Audio && stream.IsDefault).ToArray();
}
}

4
MediaBrowser.Model/Dto/MediaSourceInfo.cs
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@ -24,6 +24,7 @@ namespace MediaBrowser.Model.Dto
SupportsDirectPlay = true;
SupportsProbing = true;
UseMostCompatibleTranscodingProfile = false;
DefaultAudioIndexSource = AudioIndexSource.None;
}
public MediaProtocol Protocol { get; set; }
@ -118,6 +119,9 @@ namespace MediaBrowser.Model.Dto
[JsonIgnore]
public TranscodeReason TranscodeReasons { get; set; }
[JsonIgnore]
public AudioIndexSource DefaultAudioIndexSource { get; set; }
public int? DefaultAudioStreamIndex { get; set; }
public int? DefaultSubtitleStreamIndex { get; set; }

30
MediaBrowser.Model/MediaInfo/AudioIndexSource.cs Normal file
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@ -0,0 +1,30 @@
using System;
namespace MediaBrowser.Model.MediaInfo;
/// <summary>
/// How is the audio index determined.
/// </summary>
[Flags]
public enum AudioIndexSource
{
/// <summary>
/// The default index when no preference is specified.
/// </summary>
None = 0,
/// <summary>
/// The index is calculated whether the track is marked as default or not.
/// </summary>
Default = 1 << 0,
/// <summary>
/// The index is calculated whether the track is in preferred language or not.
/// </summary>
Language = 1 << 1,
/// <summary>
/// The index is specified by the user.
/// </summary>
User = 1 << 2
}