gistfile1.txt

roar_mus_t roar_vs_latency2(roar_vs_t * vss, int * error) {

 check_async_latency(vss);

 ssize_t pos = vss->writec - vss->last_server_pos;
 ssize_t bps;
 size_t lpos;
 size_t lag;

 bps = roar_info2samplesize(&(vss->info));

 lioc = vss->writec;

 lpos = (lioc*8) / bps;
 lag = (signed long long int)lpos - (signed long long int)pos;
 lag /= vss->info.channels;
 lag *= 1000000;
 lag /= vss->info.rate;

#ifdef _HAVE_SOCKOPT
 if (vss->latc.target > vss->latc.minlag) {
  roar_vs_latency_managed(vss, lag);
 }
#endif

 struct timeval time_now;
 gettimeofday(&time_now, NULL);
 roar_mus_t drift = (time_now.tv_sec - vss->latinfo.last_time.tv_sec) * 1000000 + (time_now.tv_usec - vss->latinfo.last_time.tv_usec);

 if (drift > lag) {
  lag = 0;
 } else {
  lag -= drift;
 }

 return lag;
}