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avformat/aiffdec: sanity check block_align

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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 93f7776921)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-10-31 00:10:39 +02:00
parent 078bbcde0e
commit 8876c70ee8
1 changed files with 1 additions and 1 deletions
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2
libavformat/aiffdec.c
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@ -362,7 +362,7 @@ got_sound:
if (!st->codecpar->block_align && st->codecpar->codec_id == AV_CODEC_ID_QCELP) {
av_log(s, AV_LOG_WARNING, "qcelp without wave chunk, assuming full rate\n");
st->codecpar->block_align = 35;
} else if (!st->codecpar->block_align) {
} else if (st->codecpar->block_align <= 0) {
av_log(s, AV_LOG_ERROR, "could not find COMM tag or invalid block_align value\n");
return -1;
}