AV_CH_LAYOUT_4POINT1  221 libavformat/mov_chan.c     { MOV_CH_LAYOUT_DVD_11,             AV_CH_LAYOUT_4POINT1 },      // L, R, C, LFE, Cs
AV_CH_LAYOUT_4POINT1  222 libavformat/mov_chan.c     { MOV_CH_LAYOUT_AC3_3_1_1,          AV_CH_LAYOUT_4POINT1 },      // L, C, R, Cs,  LFE
AV_CH_LAYOUT_4POINT1  223 libavformat/mov_chan.c     { MOV_CH_LAYOUT_DTS_4_1,            AV_CH_LAYOUT_4POINT1 },      // C, L, R, Cs,  LFE
AV_CH_LAYOUT_4POINT1   90 libavutil/channel_layout.c     { "4.1",         5,  AV_CH_LAYOUT_4POINT1 },