bool WaveTrack::Copy(double t0, double t1, Track **dest)
{
if (t1 < t0)
return false;
sampleCount s0, s1;
TimeToSamplesClip(t0, &s0);
TimeToSamplesClip(t1, &s1);
WaveTrack *newTrack = new WaveTrack(mDirManager);
newTrack->Init(*this);
delete newTrack->mSequence;
newTrack->mSequence = NULL;
if (!mSequence->Copy(s0, s1, &newTrack->mSequence)) {
// Error
*dest = NULL;
delete newTrack;
return false;
}
newTrack->GetEnvelope()->CopyFrom(GetEnvelope(), t0, t1);
*dest = newTrack;
MarkChanged();
return true;
}
bool WaveTrack::Cut(double t0, double t1, Track **dest)
{
bool success;
sampleCount s0, s1;
WaveTrack *newTrack;
if (t1 < t0)
return false;
TimeToSamplesClip(t0, &s0);
TimeToSamplesClip(t1, &s1);
newTrack = new WaveTrack(mDirManager);
delete newTrack->mSequence;
newTrack->mSequence = NULL;
success = mSequence->Copy(s0, s1, &newTrack->mSequence);
if (success)
success = mSequence->Delete(s0, s1-s0);
if (!success) {
*dest = NULL;
delete newTrack;
return false;
}
newTrack->GetEnvelope()->CopyFrom(GetEnvelope(), t0, t1);
mEnvelope->CollapseRegion(t0, t1);
*dest = newTrack;
MarkChanged();
return true;
}