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Fix AVC software decoder sometimes dropping B-frames (fixes #488)

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Vanilagy
2026-09-09 16:55:06 +02:00
parent 4b140fe46c
commit f767b6f601
9 changed files with 276 additions and 19 deletions
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packages/server/src/video-decoder.ts
+5 -1
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@@ -82,7 +82,11 @@ export class NodeAvVideoDecoder extends CustomVideoDecoder {
: null;
codecContext.sampleAspectRatio = new NodeAv.Rational(this.pixelAspectRatio.num, this.pixelAspectRatio.den);
const ret = await codecContext.open2();
// Honor inferred H.264 reorder buffering even when bitstream restrictions aren't explicitly signaled
// See https://github.com/Vanilagy/mediabunny/issues/488
const options = NodeAv.Dictionary.fromObject({ strict: NodeAv.FF_COMPLIANCE_STRICT });
const ret = await codecContext.open2(codec, options);
NodeAv.FFmpegError.throwIfError(ret, 'Open codec context');
this.codecContext = codecContext;