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check mb_y
Originally committed as revision 4401 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -4241,6 +4241,9 @@ static int decode_slice_header(H264Context *h){
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s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
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s->resync_mb_y = s->mb_y = first_mb_in_slice / s->mb_width;
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if(s->mb_y >= s->mb_height){
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return -1;
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}
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if(s->picture_structure==PICT_FRAME){
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h->curr_pic_num= h->frame_num;
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