pic_num_extract  2889 libavcodec/h264.c                         frame_num = pic_num_extract(h, pred, &pic_structure);
pic_num_extract  2907 libavcodec/h264.c                         long_idx= pic_num_extract(h, pic_id, &pic_structure);
pic_num_extract  3286 libavcodec/h264.c             frame_num = pic_num_extract(h, mmco[i].short_pic_num, &structure);
pic_num_extract  3314 libavcodec/h264.c             j = pic_num_extract(h, mmco[i].long_arg, &structure);