(const void **)&samplerate, o->sdi);
if (!(frequency_s = sr_samplerate_string(*samplerate))) {
sr_err("%s: sr_samplerate_string failed", __func__);
(const void **)&samplerate, o->sdi);
if (!(frequency_s = sr_samplerate_string(*samplerate))) {
sr_err("%s: sr_samplerate_string failed", __func__);