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fix: built-in downloader prefers separate streams over 360p muxed (v1.0.0.16)
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When YouTube offered a muxed stream, it was always taken, but muxed streams
are 360p only. Use muxed only when the separate video+audio streams are
missing or not better.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Martin
2026-10-05 21:39:49 -04:00
parent 43e002fcdd
commit d6280f3ce8
3 changed files with 27 additions and 22 deletions
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36
Jellyfin.Plugin.CinemaTrailers4Jellyfins/Services/TrailerDownloadService.cs
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@@ -90,31 +90,37 @@ namespace Jellyfin.Plugin.CinemaTrailers4Jellyfins.Services
.GetManifestAsync($"https://www.youtube.com/watch?v={key}", ct)
.ConfigureAwait(false);
// Muxed streams include audio+video in one file. YouTube rarely serves them
// anymore, but use one when it exists since it needs no merge.
// Best video-only stream at or below the height limit. MP4 (H.264) is preferred for
// client compatibility; any container is the fallback.
var videoStreams = manifest.GetVideoOnlyStreams().ToList();
var audioStreams = manifest.GetAudioOnlyStreams().ToList();
var mp4Video = videoStreams.Where(s => s.Container == Container.Mp4).ToList();
var video = videoStreams.Count > 0
? PickByHeight(mp4Video.Count > 0 ? mp4Video : videoStreams, preferredHeight)
: null;
// Muxed streams (audio+video in one file) need no merge, but YouTube only serves
// them at 360p. Use one only when the separate streams can't do better.
var muxedStreams = manifest.GetMuxedStreams().ToList();
if (muxedStreams.Count > 0)
{
var muxed = PickByHeight(muxedStreams, preferredHeight);
_logger.LogInformation(
"|CinemaTrailers4Jellyfins| Downloading {Key} at {Quality} (muxed) to {Path}",
key, muxed.VideoQuality.Label, outputPath);
await youtube.Videos.Streams.DownloadAsync(muxed, outputPath, cancellationToken: ct).ConfigureAwait(false);
return true;
if (video == null || audioStreams.Count == 0
|| muxed.VideoQuality.MaxHeight >= video.VideoQuality.MaxHeight)
{
_logger.LogInformation(
"|CinemaTrailers4Jellyfins| Downloading {Key} at {Quality} (muxed) to {Path}",
key, muxed.VideoQuality.Label, outputPath);
await youtube.Videos.Streams.DownloadAsync(muxed, outputPath, cancellationToken: ct).ConfigureAwait(false);
return true;
}
}
// Otherwise download the best video-only and audio-only streams and merge them.
// MP4 (H.264/AAC) is preferred for client compatibility; any container is the fallback.
var videoStreams = manifest.GetVideoOnlyStreams().ToList();
var audioStreams = manifest.GetAudioOnlyStreams().ToList();
if (videoStreams.Count == 0 || audioStreams.Count == 0)
if (video == null || audioStreams.Count == 0)
{
_logger.LogWarning("|CinemaTrailers4Jellyfins| No usable video/audio streams for {Key}.", key);
return false;
}
var mp4Video = videoStreams.Where(s => s.Container == Container.Mp4).ToList();
var video = PickByHeight(mp4Video.Count > 0 ? mp4Video : videoStreams, preferredHeight);
var mp4Audio = audioStreams.Where(s => s.Container == Container.Mp4).ToList();
var audio = (mp4Audio.Count > 0 ? mp4Audio : audioStreams).GetWithHighestBitrate();