ff_mpeg4_pred_dc  683 libavcodec/mpeg4videodec.c     return ff_mpeg4_pred_dc(s, n, level, dir_ptr, 0);
ff_mpeg4_pred_dc 1073 libavcodec/mpeg4videodec.c             ff_mpeg4_pred_dc(s, n, 0, &dc_pred_dir, 0);
ff_mpeg4_pred_dc 1296 libavcodec/mpeg4videodec.c             block[0] = ff_mpeg4_pred_dc(s, n, block[0], &dc_pred_dir, 0);
ff_mpeg4_pred_dc  806 libavcodec/mpeg4videoenc.c             dc_diff[i] = ff_mpeg4_pred_dc(s, i, block[i][0], &dir[i], 1);