AV_SAMPLE_FMT_U8  228 libavcodec/ttaenc.c     .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_U8,
AV_SAMPLE_FMT_U8   61 libavutil/samplefmt.h     AV_SAMPLE_FMT_U8,          ///< unsigned 8 bits