generate_codebook  849 libavcodec/roqvideoenc.c     generate_codebook(enc, tempData, points, max, results4, 4, MAX_CBS_4x4);
generate_codebook  856 libavcodec/roqvideoenc.c     generate_codebook(enc, tempData, points, max*4, enc->cb2x2, 2, MAX_CBS_2x2);