AV_CH_LAYOUT_2POINT1  155 libavcodec/aacenc.h         .layout = AV_CH_LAYOUT_2POINT1,
AV_CH_LAYOUT_2POINT1   60 libavcodec/mlp.c     AV_CH_LAYOUT_QUAD, AV_CH_LAYOUT_2POINT1, AV_CH_LAYOUT_SURROUND,
AV_CH_LAYOUT_2POINT1  625 libavcodec/mlpenc.c         case AV_CH_LAYOUT_2POINT1:
AV_CH_LAYOUT_2POINT1 1409 libavfilter/af_surround.c         case AV_CH_LAYOUT_2POINT1:
AV_CH_LAYOUT_2POINT1 1446 libavfilter/af_surround.c     case AV_CH_LAYOUT_2POINT1:
AV_CH_LAYOUT_2POINT1  182 libavformat/mov_chan.c     { MOV_CH_LAYOUT_DVD_4,              AV_CH_LAYOUT_2POINT1  }, // L, R, LFE
AV_CH_LAYOUT_2POINT1   81 libavutil/channel_layout.c     { "2.1",         3,  AV_CH_LAYOUT_2POINT1 },