show_sample_fmts  235 fftools/cmdutils.h     { "sample_fmts", OPT_EXIT,             { .func_arg = show_sample_fmts }, "show available audio sample formats" },   \
show_sample_fmts  573 fftools/cmdutils.h int show_sample_fmts(void *optctx, const char *opt, const char *arg);