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avcodec/pgxdec: Make better use of size check

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Each of the three calls to pgx_get_number() consumes at least two bytes.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-04-15 11:53:07 +02:00
parent 14b74610d7
commit a7e8b0f360
1 changed files with 1 additions and 2 deletions
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libavcodec/pgxdec.c
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@ -56,9 +56,8 @@ static int pgx_decode_header(AVCodecContext *avctx, GetByteContext *g,
{
int byte;
if (bytestream2_get_bytes_left(g) < 6) {
if (bytestream2_get_bytes_left(g) < 12)
return AVERROR_INVALIDDATA;
}
bytestream2_skip(g, 6);