scan_buffer        68 libavcodec/mpeg4_unpack_bframes_bsf.c     scan_buffer(pkt->data, pkt->size, &pos_p, &nb_vop, &pos_vop2);
scan_buffer       137 libavcodec/mpeg4_unpack_bframes_bsf.c         scan_buffer(ctx->par_in->extradata, ctx->par_in->extradata_size, &pos_p_ext, NULL, NULL);