void TranscriptionToolBar::OnStartOff(wxCommandEvent & WXUNUSED(event))
{
//If IO is busy, abort immediately
if (gAudioIO->IsBusy()){
SetButton(false,mButtons[TTB_StartOff]);
return;
}
mVk->AdjustThreshold(GetSensitivity());
AudacityProject *p = GetActiveProject();
SetButton(false, mButtons[TTB_StartOff]);
auto t = *p->GetTracks()->Any< const WaveTrack >().begin();
if(t) {
auto wt = static_cast<const WaveTrack*>(t);
sampleCount start, len;
GetSamples(wt, &start, &len);
//Adjust length to end if selection is null
//if(len == 0)
//len = wt->GetSequence()->GetNumSamples()-start;
auto newstart = mVk->OffForward(*wt, start, len);
double newpos = newstart.as_double() / wt->GetRate();
auto &selectedRegion = p->GetViewInfo().selectedRegion;
selectedRegion.setT0( newpos );
p->RedrawProject();
SetButton(false, mButtons[TTB_StartOn]);
}
}
bool SelectTimeCommand::Apply(const CommandContext & context){
// Many commands need focus on track panel.
// No harm in setting it with a scripted select.
context.GetProject()->GetTrackPanel()->SetFocus();
if( !bHasT0 && !bHasT1 )
return true;
// Defaults if no value...
if( !bHasT0 )
mT0 = 0.0;
if( !bHasT1 )
mT1 = 0.0;
if( !bHasRelativeSpec )
mRelativeTo = 0;
AudacityProject * p = context.GetProject();
double end = p->GetTracks()->GetEndTime();
double t0;
double t1;
const auto &selectedRegion = p->GetViewInfo().selectedRegion;
switch( bHasRelativeSpec ? mRelativeTo : 0 ){
default:
case 0: //project start
t0 = mT0;
t1 = mT1;
break;
case 1: //project
t0 = mT0;
t1 = end + mT1;
break;
case 2: //project end;
t0 = end - mT0;
t1 = end - mT1;
break;
case 3: //selection start
t0 = mT0 + selectedRegion.t0();
t1 = mT1 + selectedRegion.t0();
break;
case 4: //selection
t0 = mT0 + selectedRegion.t0();
t1 = mT1 + selectedRegion.t1();
break;
case 5: //selection end
t0 = selectedRegion.t1() - mT0;
t1 = selectedRegion.t1() - mT1;
break;
}
p->mViewInfo.selectedRegion.setTimes( t0, t1);
return true;
}
void TranscriptionToolBar::GetSamples(
const WaveTrack *t, sampleCount *s0, sampleCount *slen)
{
// GetSamples attempts to translate the start and end selection markers into sample indices
// These selection numbers are doubles.
AudacityProject *p = GetActiveProject();
if (!p) {
return;
}
//First, get the current selection. It is part of the mViewInfo, which is
//part of the project
const auto &selectedRegion = p->GetViewInfo().selectedRegion;
double start = selectedRegion.t0();
double end = selectedRegion.t1();
auto ss0 = sampleCount( (start - t->GetOffset()) * t->GetRate() );
auto ss1 = sampleCount( (end - t->GetOffset()) * t->GetRate() );
if (start < t->GetOffset()) {
ss0 = 0;
}
#if 0
//This adjusts the right samplecount to the maximum sample.
if (ss1 >= t->GetNumSamples()) {
ss1 = t->GetNumSamples();
}
#endif
if (ss1 < ss0) {
ss1 = ss0;
}
*s0 = ss0;
*slen = ss1 - ss0;
}
void TranscriptionToolBar::OnSelectSound(wxCommandEvent & WXUNUSED(event))
{
//If IO is busy, abort immediately
if (gAudioIO->IsBusy()){
SetButton(false,mButtons[TTB_SelectSound]);
return;
}
mVk->AdjustThreshold(GetSensitivity());
AudacityProject *p = GetActiveProject();
TrackList *tl = p->GetTracks();
if(auto wt = *tl->Any<const WaveTrack>().begin()) {
sampleCount start, len;
GetSamples(wt, &start, &len);
//Adjust length to end if selection is null
//if(len == 0)
//len = wt->GetSequence()->GetNumSamples()-start;
double rate = wt->GetRate();
auto newstart = mVk->OffBackward(*wt, start, start);
auto newend =
mVk->OffForward(*wt, start + len, (int)(tl->GetEndTime() * rate));
//reset the selection bounds.
auto &selectedRegion = p->GetViewInfo().selectedRegion;
selectedRegion.setTimes(
newstart.as_double() / rate, newend.as_double() / rate );
p->RedrawProject();
}
SetButton(false,mButtons[TTB_SelectSound]);
}