void sample :: prepend(const sample& s) {
if (!assertWarning(rate() == s.rate(), "prepend failed: different rates") ||
!assertWarning(channels() == s.channels(),
"prepend failed: different channel counts"))
return;
audioSample *snd = new audioSample[audioSize() + s.audioSize()];
memcpy(snd, s.data, s.bytes());
memcpy(snd + s.audioSize(), data, bytes());
delete[] data;
data = snd;
info.length += s.length();
} // prepend()
