// Labels inside the affected region are moved to match the audio; labels after
// it are shifted along appropriately.
bool EffectSBSMS::ProcessLabelTrack(Track *t)
{
TimeWarper *warper = createTimeWarper(mT0,mT1,(mT1-mT0)*mTotalStretch,rateStart,rateEnd,rateSlideType);
SetTimeWarper(new RegionTimeWarper(mT0, mT1, warper));
LabelTrack *lt = (LabelTrack*)t;
if (lt == NULL) return false;
lt->WarpLabels(*GetTimeWarper());
return true;
}
// Labels are time-scaled linearly inside the affected region, and labels after
// the region are shifted along according to how the region size changed.
bool EffectChangeSpeed::ProcessLabelTrack(Track *t)
{
SetTimeWarper(new RegionTimeWarper(mT0, mT1,
new LinearTimeWarper(mT0, mT0,
mT1, mT0 + (mT1-mT0)*mFactor)));
LabelTrack *lt = (LabelTrack*)t;
if (lt == NULL) return false;
lt->WarpLabels(*GetTimeWarper());
return true;
}
bool EffectSoundTouch::ProcessLabelTrack(Track *track)
{
// SetTimeWarper(new RegionTimeWarper(mCurT0, mCurT1,
// new LinearTimeWarper(mCurT0, mCurT0,
// mCurT1, mCurT0 + (mCurT1-mCurT0)*mFactor)));
LabelTrack *lt = (LabelTrack*)track;
if (lt == NULL) return false;
lt->WarpLabels(*GetTimeWarper());
return true;
}
// Labels inside the affected region are moved to match the audio; labels after
// it are shifted along appropriately.
bool EffectSBSMS::ProcessLabelTrack(Track *t)
{
TimeWarper *warper = NULL;
if (rateStart == rateEnd)
{
warper = new LinearTimeWarper(mT0, mT0,
mT1, mT0+(mT1-mT0)*mTotalStretch);
} else
{
warper = new LogarithmicTimeWarper(mT0, mT1,
rateStart, rateEnd);
}
SetTimeWarper(new RegionTimeWarper(mT0, mT1, warper));
LabelTrack *lt = (LabelTrack*)t;
if (lt == NULL) return false;
lt->WarpLabels(*GetTimeWarper());
return true;
}
