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h264: fix the check for invalid SPS:num_ref_frames.

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This patch set the limit to 16.

For information, thoses previous commits:
41f7e2d11d2dca23842ee89d530ca9fa15cec9d8
5cbb0e70a0a2ee99eb3cb09e837b9a1f7355b9bc
assumed it was either 30 or 32.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-10-02 16:06:38 +02:00 committed by Michael Niedermayer
parent 2428b53f6d
commit bcf881a685
1 changed files with 1 additions and 1 deletions
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2
libavcodec/h264_ps.c
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@ -368,7 +368,7 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){
}
sps->ref_frame_count= get_ue_golomb_31(&s->gb);
if(sps->ref_frame_count > MAX_PICTURE_COUNT-2 || sps->ref_frame_count >= 32U){
if(sps->ref_frame_count > MAX_PICTURE_COUNT-2 || sps->ref_frame_count > 16U){
av_log(h->s.avctx, AV_LOG_ERROR, "too many reference frames\n");
goto fail;
}