sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
(const void **)&samplerate, sdi);
limit_samples = (*samplerate) * time_msec / (uint64_t)1000;
sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
(const void **)&samplerate, sdi);
limit_samples = (*samplerate) * time_msec / (uint64_t)1000;