From e4fa18c2206bb626ab5ad76c8fb055cf8fa26ba1 Mon Sep 17 00:00:00 2001 From: James Almer Date: Wed, 30 Sep 2026 13:39:50 -0300 Subject: [PATCH] avcodec/libmpeghdec: don't use extradata for streams with in-band config configuration The decoder seems to accept it but then will not output any frame at all. Signed-off-by: James Almer --- libavcodec/libmpeghdec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/libmpeghdec.c b/libavcodec/libmpeghdec.c index 49e7a5b1ec..29627b8f52 100644 --- a/libavcodec/libmpeghdec.c +++ b/libavcodec/libmpeghdec.c @@ -114,7 +114,8 @@ static av_cold int mpegh3dadec_init(AVCodecContext *avctx) return AVERROR_EXTERNAL; } - if (avctx->extradata_size) { + if (avctx->codec_tag != MKTAG('m', 'h', 'm', '1') && + avctx->codec_tag != MKTAG('m', 'h', 'm', '2') && avctx->extradata_size) { if (mpeghdecoder_setMhaConfig(s->decoder, avctx->extradata, avctx->extradata_size)) { av_log(avctx, AV_LOG_ERROR, "Unable to set MHA configuration\n");