mirror of https://git.ffmpeg.org/ffmpeg.git
h264_ps: check log2_max_frame_num for validity.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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192efcf768
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@ -371,6 +371,12 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){
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}
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sps->log2_max_frame_num= get_ue_golomb(&s->gb) + 4;
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if (sps->log2_max_frame_num < 4 || sps->log2_max_frame_num > 16) {
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av_log(h->s.avctx, AV_LOG_ERROR, "illegal log2_max_frame_num %d\n",
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sps->log2_max_frame_num);
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goto fail;
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}
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sps->poc_type= get_ue_golomb_31(&s->gb);
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if(sps->poc_type == 0){ //FIXME #define
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