AV_SAMPLE_FMT_U8  634 libavcodec/audiotoolboxenc.c             AV_SAMPLE_FMT_U8,  AV_SAMPLE_FMT_NONE \
AV_SAMPLE_FMT_U8  213 libavcodec/ttaenc.c     .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_U8,
AV_SAMPLE_FMT_U8   60 libavutil/samplefmt.h     AV_SAMPLE_FMT_U8,          ///< unsigned 8 bits