Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavformat/matroskadec.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 21a0a1ecd5..147a146873 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -3036,15 +3036,14 @@ static int matroska_parse_tracks(AVFormatContext *s)
track->codec_priv.size = 0;
}
- track->codec_priv.size -= extradata_offset;
if (par->codec_id == AV_CODEC_ID_NONE)
av_log(matroska->ctx, AV_LOG_INFO,
"Unknown/unsupported AVCodecID %s.\n", track->codec_id);
- if (!par->extradata && track->codec_priv.size > 0) {
+ if (!par->extradata && track->codec_priv.size > extradata_offset) {
const uint8_t *src = track->codec_priv.data + extradata_offset;
- unsigned extra_size = track->codec_priv.size;
+ unsigned extra_size = track->codec_priv.size - extradata_offset;
ret = ff_alloc_extradata(par, extra_size);
if (ret < 0)
return ret;
--
2.34.1
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