CH_LAYOUT_5POINT0   96 libavcodec/audioconvert.c     case 5: return CH_LAYOUT_5POINT0;
CH_LAYOUT_5POINT0  112 libavcodec/audioconvert.c     { "5.0",         5,  CH_LAYOUT_5POINT0 },
CH_LAYOUT_5POINT0  381 libavcodec/avcodec.h #define CH_LAYOUT_5POINT1           (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY)