MONO_L            207 libavfilter/vf_stereo3d.c     { "ml",    "mono left",                           0, AV_OPT_TYPE_CONST, {.i64=MONO_L},             0, 0, FLAGS, "out" },
MONO_L            551 libavfilter/vf_stereo3d.c     case MONO_L:
MONO_L            729 libavfilter/vf_stereo3d.c     } else if ((s->out.format == MONO_L ||
MONO_L            747 libavfilter/vf_stereo3d.c     } else if ((s->out.format == MONO_L && s->in.format == ALTERNATING_LR) ||
MONO_L            754 libavfilter/vf_stereo3d.c     } else if ((s->out.format == MONO_L && s->in.format == ALTERNATING_RL) ||
MONO_L            872 libavfilter/vf_stereo3d.c     case MONO_L: