AV_CH_LAYOUT_OCTAGONAL  276 libavformat/mov_chan.c     { MOV_CH_LAYOUT_OCTAGONAL,           AV_CH_LAYOUT_OCTAGONAL },      // L, R, Rls, Rrs, C,  Cs,  Ls,  Rs
AV_CH_LAYOUT_OCTAGONAL  277 libavformat/mov_chan.c     { MOV_CH_LAYOUT_AAC_OCTAGONAL,       AV_CH_LAYOUT_OCTAGONAL },      // C, L, R,   Ls,  Rs, Rls, Rrs, Cs
AV_CH_LAYOUT_OCTAGONAL  104 libavutil/channel_layout.c     { "octagonal",   8,  AV_CH_LAYOUT_OCTAGONAL },