123     er->wr_render_time.tv_nsec = 0;  in echo_reference_reset_l()
155             (int)buffer->time_stamp.tv_nsec, er->playback_delay);  in echo_reference_write()
160     if ((buffer->time_stamp.tv_sec == 0) && (buffer->time_stamp.tv_nsec == 0) &&  in echo_reference_write()
161         (er->wr_render_time.tv_sec == 0) && (er->wr_render_time.tv_nsec == 0)) {  in echo_reference_write()
178     er->wr_render_time.tv_nsec = buffer->time_stamp.tv_nsec;  in echo_reference_write()
279           (int)er->wr_render_time.tv_sec, (int)er->wr_render_time.tv_nsec, er->playback_delay);  in echo_reference_write()
338         ts.tv_nsec += (timeoutMs%1000) * 1000000;  in echo_reference_read()
339         if (ts.tv_nsec >= 1000000000) {  in echo_reference_read()
340             ts.tv_nsec -= 1000000000;  in echo_reference_read()
355     if ((er->wr_render_time.tv_sec == 0 && er->wr_render_time.tv_nsec == 0) ||  in echo_reference_read()
356         (buffer->time_stamp.tv_sec == 0 && buffer->time_stamp.tv_nsec == 0)) {  in echo_reference_read()
361         if (buffer->time_stamp.tv_nsec < er->wr_render_time.tv_nsec) {  in echo_reference_read()
363             tmp.tv_nsec = 1000000000 + buffer->time_stamp.tv_nsec - er->wr_render_time.tv_nsec;  in echo_reference_read()
366             tmp.tv_nsec = buffer->time_stamp.tv_nsec - er->wr_render_time.tv_nsec;  in echo_reference_read()
368         timeDiff = (((int64_t)tmp.tv_sec * 1000000000 + tmp.tv_nsec));  in echo_reference_read()