long
RealTime::realTime2Frame(const RealTime &time, unsigned int sampleRate)
{
if (time < zeroTime) return -realTime2Frame(-time, sampleRate);
double s = time.sec + double(time.nsec + 1) / 1000000000.0;
return long(s * sampleRate);
}
long long
RealTime::realTime2Frame(const RealTime &time, unsigned int sr)
{
if (time < zeroTime) return -realTime2Frame(-time, sr);
long long sampleRate = sr;
// We like integers. The last term is always zero unless the
// sample rate is greater than 1MHz, but hell, you never know...
long frame =
time.sec * sampleRate +
(time.msec() * sampleRate) / 1000 +
((time.usec() - 1000 * time.msec()) * sampleRate) / 1000000 +
((time.nsec - 1000 * time.usec()) * sampleRate) / 1000000000;
return frame;
}