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Enforce more strict webm check (#15807)

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gnattu
2025-12-20 10:57:08 +08:00
committed by GitHub
parent 9470439cfa
commit 8379b4634a
3 changed files with 155 additions and 3 deletions
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9
MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs
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@@ -299,9 +299,12 @@ namespace MediaBrowser.MediaEncoding.Probing
// Handle WebM
else if (string.Equals(splitFormat[i], "webm", StringComparison.OrdinalIgnoreCase))
{
// Limit WebM to supported codecs
if (mediaStreams.Any(stream => (stream.Type == MediaStreamType.Video && !_webmVideoCodecs.Contains(stream.Codec, StringComparison.OrdinalIgnoreCase))
|| (stream.Type == MediaStreamType.Audio && !_webmAudioCodecs.Contains(stream.Codec, StringComparison.OrdinalIgnoreCase))))
// Limit WebM to supported stream types and codecs.
// FFprobe can report "matroska,webm" for Matroska-like containers, so only keep "webm" if all streams are WebM-compatible.
// Any stream that is not video nor audio is not supported in WebM and should disqualify the webm container probe result.
if (mediaStreams.Any(stream => stream.Type is not MediaStreamType.Video and not MediaStreamType.Audio)
|| mediaStreams.Any(stream => (stream.Type == MediaStreamType.Video && !_webmVideoCodecs.Contains(stream.Codec, StringComparison.OrdinalIgnoreCase))
|| (stream.Type == MediaStreamType.Audio && !_webmAudioCodecs.Contains(stream.Codec, StringComparison.OrdinalIgnoreCase))))
{
splitFormat[i] = string.Empty;
}