CHECKERBOARD_RL   214 libavfilter/vf_stereo3d.c     { "chr",   "checkerboard right first",            0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_RL},    0, 0, FLAGS, "out" },
CHECKERBOARD_RL   456 libavfilter/vf_stereo3d.c             s->out.format != CHECKERBOARD_RL)
CHECKERBOARD_RL   561 libavfilter/vf_stereo3d.c     case CHECKERBOARD_RL:
CHECKERBOARD_RL   949 libavfilter/vf_stereo3d.c     case CHECKERBOARD_RL:
CHECKERBOARD_RL   963 libavfilter/vf_stereo3d.c                 if (s->out.format == CHECKERBOARD_RL && s->in.format != INTERLEAVE_COLS_LR && s->in.format != INTERLEAVE_COLS_RL)