- ff_add_format, ff_formats_unref, av_get_sample_fmt, AV_SAMPLE_FMT_NONE, "sample format");
- PARSE_FORMATS(s->sample_rates_str, int, s->sample_rates, ff_add_format, ff_formats_unref,
+ ff_add_format, av_get_sample_fmt, AV_SAMPLE_FMT_NONE, "sample format");
+ PARSE_FORMATS(s->sample_rates_str, int, s->sample_rates, ff_add_format,