bool EffectRepeat::Process()
{
this->CopyInputWaveTracks(); // Set up mOutputWaveTracks.
bool bGoodResult = true;
TrackListIterator iter(mOutputWaveTracks);
WaveTrack *track = (WaveTrack *) iter.First();
int nTrack = 0;
double maxDestLen = 0.0; // used to change selection to generated bit
while ((track != NULL) && bGoodResult) {
double trackStart = track->GetStartTime();
double trackEnd = track->GetEndTime();
double t0 = mT0 < trackStart? trackStart: mT0;
double t1 = mT1 > trackEnd? trackEnd: mT1;
if (t1 <= t0)
continue;
sampleCount start = track->TimeToLongSamples(t0);
sampleCount end = track->TimeToLongSamples(t1);
sampleCount len = (sampleCount)(end - start);
double tLen = track->LongSamplesToTime(len);
double tc = t0 + tLen;
if (len <= 0)
continue;
Track *dest;
track->Copy(t0, t1, &dest);
for(int j=0; j<repeatCount; j++)
{
if (!track->Paste(tc, dest) ||
TrackProgress(nTrack, j / repeatCount)) // TrackProgress returns true on Cancel.
{
bGoodResult = false;
break;
}
tc += tLen;
}
if (tc > maxDestLen)
maxDestLen = tc;
delete dest;
track = (WaveTrack *) iter.Next();
nTrack++;
}
if (bGoodResult)
{
// Change selection to just the generated bits.
mT0 = mT1;
mT1 = maxDestLen;
}
this->ReplaceProcessedWaveTracks(bGoodResult);
return bGoodResult;
}
bool EffectRepeat::Process()
{
// Set up mOutputTracks.
// This effect needs Track::All for sync-lock grouping.
CopyInputTracks(Track::All);
int nTrack = 0;
bool bGoodResult = true;
double maxDestLen = 0.0; // used to change selection to generated bit
TrackListIterator iter(mOutputTracks);
for (Track *t = iter.First(); t && bGoodResult; t = iter.Next())
{
if (t->GetKind() == Track::Label)
{
if (t->GetSelected() || t->IsSyncLockSelected())
{
LabelTrack* track = (LabelTrack*)t;
if (!track->Repeat(mT0, mT1, repeatCount))
{
bGoodResult = false;
break;
}
}
}
else if (t->GetKind() == Track::Wave && t->GetSelected())
{
WaveTrack* track = (WaveTrack*)t;
sampleCount start = track->TimeToLongSamples(mT0);
sampleCount end = track->TimeToLongSamples(mT1);
sampleCount len = (sampleCount)(end - start);
double tLen = track->LongSamplesToTime(len);
double tc = mT0 + tLen;
if (len <= 0)
{
continue;
}
auto dest = track->Copy(mT0, mT1);
for(int j=0; j<repeatCount; j++)
{
if (!track->Paste(tc, dest.get()) ||
TrackProgress(nTrack, j / repeatCount)) // TrackProgress returns true on Cancel.
{
bGoodResult = false;
break;
}
tc += tLen;
}
if (tc > maxDestLen)
maxDestLen = tc;
nTrack++;
}
else if (t->IsSyncLockSelected())
{
t->SyncLockAdjust(mT1, mT1 + (mT1 - mT0) * repeatCount);
}
}
if (bGoodResult)
{
// Select the NEW bits + original bit
mT1 = maxDestLen;
}
ReplaceProcessedTracks(bGoodResult);
return bGoodResult;
}