Don't extract chapter images if chapters are <1s long on average (#11832)

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Bond-009 2024-09-12 21:44:57 +02:00 committed by GitHub
parent 62712aa12c
commit 6b646e24ea
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@ -91,8 +91,30 @@ namespace Emby.Server.Implementations.MediaEncoder
return video.DefaultVideoStreamIndex.HasValue;
}
private long GetAverageDurationBetweenChapters(IReadOnlyList<ChapterInfo> chapters)
{
if (chapters.Count < 2)
{
return 0;
}
long sum = 0;
for (int i = 1; i < chapters.Count; i++)
{
sum += chapters[i].StartPositionTicks - chapters[i - 1].StartPositionTicks;
}
return sum / chapters.Count;
}
public async Task<bool> RefreshChapterImages(Video video, IDirectoryService directoryService, IReadOnlyList<ChapterInfo> chapters, bool extractImages, bool saveChapters, CancellationToken cancellationToken)
{
if (chapters.Count == 0)
{
return true;
}
var libraryOptions = _libraryManager.GetLibraryOptions(video);
if (!IsEligibleForChapterImageExtraction(video, libraryOptions))
@ -100,6 +122,14 @@ namespace Emby.Server.Implementations.MediaEncoder
extractImages = false;
}
var averageChapterDuration = GetAverageDurationBetweenChapters(chapters);
var threshold = TimeSpan.FromSeconds(1).Ticks;
if (averageChapterDuration < threshold)
{
_logger.LogInformation("Skipping chapter image extraction for {Video} as the average chapter duration {AverageDuration} was lower than the minimum threshold {Threshold}", video.Name, averageChapterDuration, threshold);
extractImages = false;
}
var success = true;
var changesMade = false;