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svq3: Check for any negative return value from ff_h264_check_intra_pred_mode

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Also pass on any returned error code.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 1115689d54)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Conflicts:
	libavcodec/svq3.c
This commit is contained in:
Martin Storsjö
2013-09-16 15:05:03 +03:00
committed by Luca Barbato
parent b4c479a82a
commit aeca97a7b5
1 changed files with 3 additions and 3 deletions
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6
libavcodec/svq3.c
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@@ -634,9 +634,9 @@ static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
dir = i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1;
if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir, 0)) == -1) {
av_log(h->s.avctx, AV_LOG_ERROR, "check_intra_pred_mode = -1\n");
return -1;
if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir, 0)) < 0) {
av_log(h->s.avctx, AV_LOG_ERROR, "ff_h264_check_intra_pred_mode < 0\n");
return h->intra16x16_pred_mode;
}
cbp = i_mb_type_info[mb_type - 8].cbp;