MOV_CH_LAYOUT_SMPTE_DTV  294 libavformat/mov_chan.c     { MOV_CH_LAYOUT_SMPTE_DTV,           AV_CH_LAYOUT_5POINT1 |         // L, R, C, LFE, Ls, Rs, Lt, Rt
MOV_CH_LAYOUT_SMPTE_DTV  428 libavformat/mov_chan.c     MOV_CH_LAYOUT_SMPTE_DTV,