- int (*time_get)(audio_output_t *, mtime_t *write_pts);
- /**< Estimates the date/time of the playback buffer write offset
- * (optional, may be NULL). The read offset is not returned since it is
- * always implicitly equal to the current time (mdate()).
- * \param write_pts timestamp of the write offset [OUT]
+ int (*time_get)(audio_output_t *, mtime_t *delay);
+ /**< Estimates playback buffer latency (optional, may be NULL).
+ * \param delay pointer to the delay until the next sample to be written
+ * to the playback buffer is rendered [OUT]