MAKE_SFMT_PAIR    570 ffmpeg.c               MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
MAKE_SFMT_PAIR    585 ffmpeg.c               ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
MAKE_SFMT_PAIR   1796 ffmpeg.c                       ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);