set_roi_map      1404 libavcodec/libvpxenc.c         ret = set_roi_map(avctx, sd, frame_width, frame_height, &roi_map, block_size, segment_cnt);
set_roi_map      1436 libavcodec/libvpxenc.c     int ret = set_roi_map(avctx, sd, frame_width, frame_height, &roi_map, block_size, segment_cnt);