AV_CH_LAYOUT_7POINT1_WIDE_BACK   64 libavcodec/aacdectab.h     AV_CH_LAYOUT_7POINT1_WIDE_BACK,
AV_CH_LAYOUT_7POINT1_WIDE_BACK  331 libavcodec/aacenc.h         .layout = AV_CH_LAYOUT_7POINT1_WIDE_BACK,
AV_CH_LAYOUT_7POINT1_WIDE_BACK   43 libavcodec/alac_data.c     AV_CH_LAYOUT_7POINT1_WIDE_BACK,
AV_CH_LAYOUT_7POINT1_WIDE_BACK  225 libavcodec/audiotoolboxenc.c     case AV_CH_LAYOUT_7POINT1_WIDE_BACK:
AV_CH_LAYOUT_7POINT1_WIDE_BACK  651 libavcodec/audiotoolboxenc.c     AV_CH_LAYOUT_7POINT1_WIDE_BACK,
AV_CH_LAYOUT_7POINT1_WIDE_BACK  450 libavcodec/libfdk-aacenc.c     AV_CH_LAYOUT_7POINT1_WIDE_BACK,
AV_CH_LAYOUT_7POINT1_WIDE_BACK  102 libavutil/channel_layout.c     { "7.1(wide)",   8,  AV_CH_LAYOUT_7POINT1_WIDE_BACK },