bool EffectAutoDuck::Init()
{
mControlTrack = NULL;
TrackListIterator iter(inputTracks());
Track *t = iter.First();
bool lastWasSelectedWaveTrack = false;
const WaveTrack *controlTrackCandidate = NULL;
while(t)
{
if (lastWasSelectedWaveTrack && !t->GetSelected() &&
t->GetKind() == Track::Wave)
{
// This could be the control track, so remember it
controlTrackCandidate = (WaveTrack*)t;
}
lastWasSelectedWaveTrack = false;
if (t->GetSelected())
{
if (t->GetKind() == Track::Wave)
{
lastWasSelectedWaveTrack = true;
}
else
{
Effect::MessageBox(
_("You selected a track which does not contain audio. AutoDuck can only process audio tracks."),
/* i18n-hint: Auto duck is the name of an effect that 'ducks' (reduces the volume)
* of the audio automatically when there is sound on another track. Not as
* in 'Donald-Duck'!*/
wxICON_ERROR);
return false;
}
}
t = iter.Next();
}
if (!controlTrackCandidate)
{
Effect::MessageBox(
_("Auto Duck needs a control track which must be placed below the selected track(s)."),
wxICON_ERROR);
return false;
}
mControlTrack = controlTrackCandidate;
return true;
}
// Returns a state constant.
wxAccStatus TrackPanelAx::GetState( int childId, long* state )
{
#if defined(__WXMSW__)
if( childId > 0 )
{
Track *t = FindTrack( childId );
*state = wxACC_STATE_SYSTEM_FOCUSABLE | wxACC_STATE_SYSTEM_SELECTABLE;
if (t)
{
if( t == mFocusedTrack )
{
*state |= wxACC_STATE_SYSTEM_FOCUSED;
}
if( t->GetSelected() )
{
*state |= wxACC_STATE_SYSTEM_SELECTED;
}
}
}
else // childId == wxACC_SELF
{
*state = wxACC_STATE_SYSTEM_FOCUSABLE + wxACC_STATE_SYSTEM_FOCUSED;
}
#endif
#if defined(__WXMAC__)
*state = wxACC_STATE_SYSTEM_FOCUSABLE | wxACC_STATE_SYSTEM_SELECTABLE;
if( childId > 0 )
{
Track *t = FindTrack( childId );
if (t)
{
if( t == mFocusedTrack )
{
*state |= wxACC_STATE_SYSTEM_FOCUSED;
}
if( t->GetSelected() )
{
*state |= wxACC_STATE_SYSTEM_SELECTED;
}
}
}
#endif
return wxACC_OK;
}
//
// private methods
//
// Use these two methods to copy the input tracks to mOutputTracks, if
// doing the processing on them, and replacing the originals only on success (and not cancel).
// Copy the group tracks that have tracks selected
void Effect::CopyInputTracks(int trackType)
{
// Reset map
mIMap.Clear();
mOMap.Clear();
mOutputTracks = new TrackList();
mOutputTracksType = trackType;
//iterate over tracks of type trackType (All types if Track::All)
TrackListOfKindIterator aIt(trackType, mTracks);
t2bHash added;
for (Track *aTrack = aIt.First(); aTrack; aTrack = aIt.Next()) {
// Include selected tracks, plus sync-lock selected tracks for Track::All.
if (aTrack->GetSelected() ||
(trackType == Track::All && aTrack->IsSyncLockSelected()))
{
Track *o = aTrack->Duplicate();
mOutputTracks->Add(o);
mIMap.Add(aTrack);
mOMap.Add(o);
}
}
}
int TrackList::GetNumExportChannels(bool selectionOnly)
{
/* counters for tracks panned different places */
int numLeft = 0;
int numRight = 0;
int numMono = 0;
/* track iteration kit */
Track *tr;
TrackListIterator iter;
for (tr = iter.First(this); tr != NULL; tr = iter.Next()) {
// Want only unmuted wave tracks.
if ((tr->GetKind() != Track::Wave) || tr->GetMute())
continue;
// do we only want selected ones?
if (selectionOnly && !(tr->GetSelected())) {
//want selected but this one is not
continue;
}
// Found a left channel
if (tr->GetChannel() == Track::LeftChannel) {
numLeft++;
}
// Found a right channel
else if (tr->GetChannel() == Track::RightChannel) {
numRight++;
}
// Found a mono channel, but it may be panned
else if (tr->GetChannel() == Track::MonoChannel) {
float pan = ((WaveTrack*)tr)->GetPan();
// Figure out what kind of channel it should be
if (pan == -1.0) { // panned hard left
numLeft++;
}
else if (pan == 1.0) { // panned hard right
numRight++;
}
else if (pan == 0) { // panned dead center
numMono++;
}
else { // panned somewhere else
numLeft++;
numRight++;
}
}
}
// if there is stereo content, report 2, else report 1
if (numRight > 0 || numLeft > 0) {
return 2;
}
return 1;
}
void FreqWindow::GetAudio()
{
int selcount = 0;
int i;
bool warning = false;
//wxLogDebug(wxT("Entering FreqWindow::GetAudio()"));
TrackListIterator iter(p->GetTracks());
Track *t = iter.First();
while (t) {
if (t->GetSelected() && t->GetKind() == Track::Wave) {
WaveTrack *track = (WaveTrack *)t;
if (selcount==0) {
mRate = track->GetRate();
sampleCount start, end;
start = track->TimeToLongSamples(p->mViewInfo.sel0);
end = track->TimeToLongSamples(p->mViewInfo.sel1);
mDataLen = (sampleCount)(end - start);
if (mDataLen > 10485760) {
warning = true;
mDataLen = 10485760;
}
if (mBuffer) {
delete [] mBuffer;
}
mBuffer = new float[mDataLen];
track->Get((samplePtr)mBuffer, floatSample, start, mDataLen);
}
else {
if (track->GetRate() != mRate) {
wxMessageBox(_("To plot the spectrum, all selected tracks must be the same sample rate."));
delete[] mBuffer;
mBuffer = NULL;
return;
}
sampleCount start;
start = track->TimeToLongSamples(p->mViewInfo.sel0);
float *buffer2 = new float[mDataLen];
track->Get((samplePtr)buffer2, floatSample, start, mDataLen);
for(i=0; i<mDataLen; i++)
mBuffer[i] += buffer2[i];
delete[] buffer2;
}
selcount++;
}
t = iter.Next();
}
if (selcount == 0)
return;
if (warning) {
wxString msg;
msg.Printf(_("Too much audio was selected. Only the first %.1f seconds of audio will be analyzed."),
(mDataLen / mRate));
//wxLogDebug(wxT("About to show length warning message"));
wxMessageBox(msg);
//wxLogDebug(wxT("Length warning message done"));
}
//wxLogDebug(wxT("Leaving FreqWindow::GetAudio()"));
}
void FreqWindow::GetAudio()
{
mData.reset();
mDataLen = 0;
int selcount = 0;
bool warning = false;
TrackListIterator iter(p->GetTracks());
Track *t = iter.First();
while (t) {
if (t->GetSelected() && t->GetKind() == Track::Wave) {
WaveTrack *track = (WaveTrack *)t;
if (selcount==0) {
mRate = track->GetRate();
auto start = track->TimeToLongSamples(p->mViewInfo.selectedRegion.t0());
auto end = track->TimeToLongSamples(p->mViewInfo.selectedRegion.t1());
auto dataLen = end - start;
if (dataLen > 10485760) {
warning = true;
mDataLen = 10485760;
}
else
// dataLen is not more than 10 * 2 ^ 20
mDataLen = dataLen.as_size_t();
mData = Floats{ mDataLen };
// Don't allow throw for bad reads
track->Get((samplePtr)mData.get(), floatSample, start, mDataLen,
fillZero, false);
}
else {
if (track->GetRate() != mRate) {
AudacityMessageBox(_("To plot the spectrum, all selected tracks must be the same sample rate."));
mData.reset();
mDataLen = 0;
return;
}
auto start = track->TimeToLongSamples(p->mViewInfo.selectedRegion.t0());
Floats buffer2{ mDataLen };
// Again, stop exceptions
track->Get((samplePtr)buffer2.get(), floatSample, start, mDataLen,
fillZero, false);
for (size_t i = 0; i < mDataLen; i++)
mData[i] += buffer2[i];
}
selcount++;
}
t = iter.Next();
}
if (selcount == 0)
return;
if (warning) {
wxString msg;
msg.Printf(_("Too much audio was selected. Only the first %.1f seconds of audio will be analyzed."),
(mDataLen / mRate));
AudacityMessageBox(msg);
}
}
// Gets the name of the specified object.
wxAccStatus TrackPanelAx::GetName( int childId, wxString* name )
{
#if defined(__WXMSW__)
if( childId == wxACC_SELF )
{
*name = _( "TrackView" );
}
else
{
Track *t = FindTrack( childId );
if( t == NULL )
{
return wxACC_FAIL;
}
else
{
*name = t->GetName();
if( *name == t->GetDefaultName() )
{
/* i18n-hint: The %d is replaced by th enumber of the track.*/
name->Printf(_("Track %d"), TrackNum( t ) );
}
// LLL: Remove these during "refactor"
if( t->GetMute() )
{
/* i18n-hint: This is for screen reader software and indicates that
on this track mute is on.*/
*name->Append( _( " Mute On" ) );
}
if( t->GetSolo() )
{
/* i18n-hint: This is for screen reader software and indicates that
on this track solo is on.*/
*name->Append( _( " Solo On" ) );
}
if( t->GetSelected() )
{
/* i18n-hint: This is for screen reader software and indicates that
this track is selected.*/
*name->Append( _( " Select On" ) );
}
}
}
return wxACC_OK;
#endif
#if defined(__WXMAC__)
return wxACC_NOT_IMPLEMENTED;
#endif
}
bool EffectReverse::Process()
{
//Track::All is needed because Reverse should move the labels too
this->CopyInputTracks(Track::All); // Set up mOutputTracks.
bool bGoodResult = true;
TrackListIterator iter(mOutputTracks);
Track *t = iter.First();
int count = 0;
while (t) {
if (t->GetKind() == Track::Wave &&
(t->GetSelected() || t->IsSyncLockSelected()))
{
WaveTrack *track = (WaveTrack*)t;
if (mT1 > mT0) {
sampleCount start = track->TimeToLongSamples(mT0);
sampleCount end = track->TimeToLongSamples(mT1);
sampleCount len = (sampleCount)(end - start);
if (!ProcessOneWave(count, track, start, len))
{
bGoodResult = false;
break;
}
}
}
else if (t->GetKind() == Track::Label &&
(t->GetSelected() || t->IsSyncLockSelected()))
{
LabelTrack *track = (LabelTrack*)t;
track->ChangeLabelsOnReverse(mT0, mT1);
}
t = iter.Next();
count++;
}
this->ReplaceProcessedTracks(bGoodResult);
return bGoodResult;
}
void ContrastDialog::OnUseSelectionB(wxCommandEvent & event)
{
AudacityProject *p = GetActiveProject();
TrackListIterator iter(p->GetTracks());
Track *t = iter.First();
while (t) {
if (t->GetSelected() && t->GetKind() == Track::Wave) {
mBackgroundStartT->SetTimeValue(p->mViewInfo.sel0);
mBackgroundEndT->SetTimeValue(p->mViewInfo.sel1);
break;
}
t = iter.Next();
}
bBGset = true;
OnGetBackgroundDB(event);
}
void EditToolBar::EnableDisableButtons()
{
AudacityProject *p = GetActiveProject();
if (!p) return;
// Is anything selected?
bool selection = false;
TrackListIterator iter(p->GetTracks());
for (Track *t = iter.First(); t; t = iter.Next())
if (t->GetSelected()) {
selection = true;
break;
}
selection &= (p->GetSel0() < p->GetSel1());
mButtons[ETBCutID]->SetEnabled(selection);
mButtons[ETBCopyID]->SetEnabled(selection);
mButtons[ETBTrimID]->SetEnabled(selection);
mButtons[ETBSilenceID]->SetEnabled(selection);
mButtons[ETBUndoID]->SetEnabled(p->GetUndoManager()->UndoAvailable());
mButtons[ETBRedoID]->SetEnabled(p->GetUndoManager()->RedoAvailable());
bool tracks = (!p->GetTracks()->IsEmpty());
mButtons[ETBZoomInID]->SetEnabled(tracks && (p->ZoomInAvailable()));
mButtons[ETBZoomOutID]->SetEnabled(tracks && (p->ZoomOutAvailable()) );
#if 0 // Disabled for version 1.2.0 since it doesn't work quite right...
mButtons[ETBZoomToggleID]->SetEnabled(tracks);
#endif
mButtons[ETBZoomSelID]->SetEnabled(selection);
mButtons[ETBZoomFitID]->SetEnabled(tracks);
mButtons[ETBPasteID]->SetEnabled(p->Clipboard());
#ifdef EXPERIMENTAL_SYNC_LOCK
bool bSyncLockTracks;
gPrefs->Read(wxT("/GUI/SyncLockTracks"), &bSyncLockTracks, false);
if (bSyncLockTracks)
mButtons[ETBSyncLockID]->PushDown();
else
mButtons[ETBSyncLockID]->PopUp();
#endif
}
wxAccStatus TrackPanelAx::GetValue( int WXUNUSED(childId), wxString* WXUNUSED(strValue) )
#endif
{
#if defined(__WXMSW__)
return wxACC_NOT_IMPLEMENTED;
#endif
#if defined(__WXMAC__)
if( childId == wxACC_SELF )
{
*strValue = _( "TrackView" );
}
else
{
Track *t = FindTrack( childId );
if( t == NULL )
{
return wxACC_FAIL;
}
else
{
*strValue = t->GetName();
if( *strValue == t->GetDefaultName() )
{
strValue->Printf(_("Track %d"), TrackNum( t ) );
}
// LLL: Remove these during "refactor"
if( t->GetMute() )
{
strValue->Append( _( " Mute On" ) );
}
if( t->GetSolo() )
{
strValue->Append( _( " Solo On" ) );
}
if( t->GetSelected() )
{
strValue->Append( _( " Select On" ) );
}
}
}
return wxACC_OK;
#endif
}
void TranscriptionToolBar::EnableDisableButtons()
{
#ifdef EXPERIMENTAL_VOICE_DETECTION
AudacityProject *p = GetActiveProject();
if (!p) return;
// Is anything selected?
bool selection = false;
TrackListIterator iter(p->GetTracks());
for (Track *t = iter.First(); t; t = iter.Next())
if (t->GetSelected()) {
selection = true;
break;
}
selection &= (p->GetSel0() < p->GetSel1());
mButtons[TTB_Calibrate]->SetEnabled(selection);
#endif
}
// Gets the name of the specified object.
wxAccStatus TrackPanelAx::GetName( int childId, wxString* name )
{
if( childId == wxACC_SELF )
{
*name = _( "TrackView" );
}
else
{
Track *t = FindTrack( childId );
if( t == NULL )
{
*name = _( "Track Accessible out of sync" );
return wxACC_FAIL;
}
else
{
*name = t->GetName();
if( *name == t->GetDefaultName() )
{
name->Printf(_("Track %d"), TrackNum( t ) );
}
// LLL: Remove these during "refactor"
if( t->GetMute() )
{
*name->Append( _( " Mute On" ) );
}
if( t->GetSolo() )
{
*name->Append( _( " Solo On" ) );
}
if( t->GetSelected() )
{
*name->Append( _( " Select On" ) );
}
}
}
return wxACC_OK;
}
bool EffectSilence::Process()
{
double length = mT1 - mT0;
if (length <= 0.0)
length = sDefaultGenerateLen;
//Iterate over each track
TrackListIterator iter(mTracks);
Track *track = iter.First();
while (track) {
if (track->GetSelected())
track->InsertSilence(mT0, length);
//Iterate to the next track
track = iter.Next();
}
return true;
}
void OnToggle(const CommandContext &context)
{
auto &project = context.project;
auto trackPanel = project.GetTrackPanel();
auto &selectionState = project.GetSelectionState();
Track *t;
t = trackPanel->GetFocusedTrack(); // Get currently focused track
if (!t)
return;
selectionState.SelectTrack
( *t, !t->GetSelected(), true );
trackPanel->EnsureVisible( t );
project.ModifyState(false);
trackPanel->GetAx().Updated();
return;
}
void Effect::CountWaveTracks()
{
mNumTracks = 0;
mNumGroups = 0;
TrackListOfKindIterator iter(Track::Wave, mTracks);
Track *t = iter.First();
while(t) {
if (!t->GetSelected()) {
t = iter.Next();
continue;
}
if (t->GetKind() == Track::Wave) {
mNumTracks++;
if (!t->GetLinked())
mNumGroups++;
}
t = iter.Next();
}
}
void ControlToolBar::SetupCutPreviewTracks(double WXUNUSED(playStart), double cutStart,
double cutEnd, double WXUNUSED(playEnd))
{
ClearCutPreviewTracks();
AudacityProject *p = GetActiveProject();
if (p) {
// Find first selected track (stereo or mono) and duplicate it
Track *track1 = NULL, *track2 = NULL;
TrackListIterator it(p->GetTracks());
for (Track *t = it.First(); t; t = it.Next())
{
if (t->GetKind() == Track::Wave && t->GetSelected())
{
track1 = t;
track2 = t->GetLink();
break;
}
}
if (track1)
{
// Duplicate and change tracks
auto new1 = track1->Duplicate();
new1->Clear(cutStart, cutEnd);
decltype(new1) new2{};
if (track2)
{
new2 = track2->Duplicate();
new2->Clear(cutStart, cutEnd);
}
mCutPreviewTracks = new TrackList();
mCutPreviewTracks->Add(std::move(new1));
if (track2)
mCutPreviewTracks->Add(std::move(new2));
}
}
}
bool Track::IsSyncLockSelected() const
{
#ifdef EXPERIMENTAL_SYNC_LOCK
AudacityProject *p = GetActiveProject();
if (!p || !p->IsSyncLocked())
return false;
SyncLockedTracksIterator git(mList);
Track *t = git.StartWith(const_cast<Track*>(this));
if (!t) {
// Not in a sync-locked group.
return ((this->GetKind() == Track::Wave) || (this->GetKind() == Track::Label)) && GetSelected();
}
for (; t; t = git.Next()) {
if (t->GetSelected())
return true;
}
#endif
return false;
}
void EditToolBar::EnableDisableButtons()
{
AudacityProject *p = GetActiveProject();
if (!p) return;
// Is anything selected?
bool selection = false;
TrackListIterator iter(p->GetTracks());
for (Track *t = iter.First(); t; t = iter.Next())
if (t->GetSelected()) {
selection = true;
break;
}
selection &= (p->GetSel0() < p->GetSel1());
mButtons[ETBCutID]->SetEnabled(selection);
mButtons[ETBCopyID]->SetEnabled(selection);
mButtons[ETBTrimID]->SetEnabled(selection);
mButtons[ETBSilenceID]->SetEnabled(selection);
mButtons[ETBUndoID]->SetEnabled(p->GetUndoManager()->UndoAvailable());
mButtons[ETBRedoID]->SetEnabled(p->GetUndoManager()->RedoAvailable());
bool tracks = (!p->GetTracks()->IsEmpty());
mButtons[ETBZoomInID]->SetEnabled(tracks && (p->GetZoom() < gMaxZoom));
mButtons[ETBZoomOutID]->SetEnabled(tracks && (p->GetZoom() > gMinZoom) );
#if 0 // Disabled for version 1.2.0 since it doesn't work quite right...
mButtons[ETBZoomToggleID]->SetEnabled(tracks);
#endif
mButtons[ETBZoomSelID]->SetEnabled(selection);
mButtons[ETBZoomFitID]->SetEnabled(tracks);
mButtons[ETBPasteID]->SetEnabled(p->Clipboard());
}
// Returns a state constant.
wxAccStatus TrackPanelAx::GetState( int childId, long* state )
{
*state = wxACC_STATE_SYSTEM_FOCUSABLE | wxACC_STATE_SYSTEM_SELECTABLE;
if( childId > 0 )
{
Track *t = FindTrack( childId );
if (t)
{
if( t == mFocusedTrack )
{
*state |= wxACC_STATE_SYSTEM_FOCUSED;
}
if( t->GetSelected() )
{
*state |= wxACC_STATE_SYSTEM_SELECTED;
}
}
}
return wxACC_OK;
}
//------------------------- Processing methods -------------------------
bool EffectSineSweepGenerator::Process()
{
// taken `as is` from Audacity`s Generator.cpp to resolve
// a vc++ linking problem...
if (mDuration < 0.0)
return false;
BeforeGenerate();
// Set up mOutputTracks. This effect needs Track::All for grouping
this->CopyInputTracks(Track::All);
// Iterate over the tracks
bool bGoodResult = true;
int ntrack = 0;
TrackListIterator iter(mOutputTracks);
Track* t = iter.First();
while (t != NULL)
{
if (t->GetKind() == Track::Wave && t->GetSelected())
{
WaveTrack* track = (WaveTrack*)t;
bool editClipCanMove = true;
//gPrefs->Read(wxT("/GUI/EditClipCanMove"), &editClipCanMove, true);
//if we can't move clips, and we're generating into an empty space,
//make sure there's room.
if (!editClipCanMove &&
track->IsEmpty(mT0, mT1+1.0/track->GetRate()) &&
!track->IsEmpty(mT0, mT0+mDuration-(mT1-mT0)-1.0/track->GetRate()))
{
wxMessageBox(_("There is not enough room available to generate the audio"),
_("Error"), wxICON_STOP);
Failure();
return false;
}
if (mDuration > 0.0)
{
// Create a temporary track
WaveTrack *tmp = mFactory->NewWaveTrack(track->GetSampleFormat(),
track->GetRate());
//BeforeTrack(*track);
// Fill it with data
if (!GenerateTrack(tmp, *track, ntrack))
bGoodResult = false;
else
{
// Transfer the data from the temporary track to the actual one
tmp->Flush();
SetTimeWarper(new AFStepTimeWarper(mT0+mDuration, mDuration-(mT1-mT0)));
bGoodResult = track->ClearAndPaste(mT0, mT1, tmp, true,
false, GetTimeWarper());
delete tmp;
}
if (!bGoodResult)
{
Failure();
return false;
}
}
else
{
// If the duration is zero, there's no need to actually
// generate anything
track->Clear(mT0, mT1);
}
ntrack++;
}
else if (t->IsSyncLockSelected())
{
t->SyncLockAdjust(mT1, mT0 + mDuration);
}
// Move on to the next track
t = iter.Next();
}
Success();
this->ReplaceProcessedTracks(bGoodResult);
mT1 = mT0 + mDuration; // Update selection.
return true;
}
ExportMixerDialog::ExportMixerDialog( TrackList *tracks, bool selectionOnly,
int maxNumChannels, wxWindow *parent, wxWindowID id, const wxString &title,
const wxPoint &position, const wxSize& size, long style ) :
wxDialog( parent, id, title, position, size, style | wxRESIZE_BORDER )
{
int numTracks = 0;
TrackListIterator iter( tracks );
for( Track *t = iter.First(); t; t = iter.Next() )
if( t->GetKind() == Track::Wave && ( t->GetSelected() || !selectionOnly ) )
{
numTracks++;
if( t->GetChannel() == Track::LeftChannel )
{
mTrackNames.Add( t->GetName() + _( " - Left" ) );
mTrackNames.Add( t->GetName() + _( " - Right" ) );
t = iter.Next();
numTracks++;
}
else
mTrackNames.Add( t->GetName() );
}
mMixerSpec = new MixerSpec( numTracks, maxNumChannels );
wxBoxSizer *vertSizer = new wxBoxSizer( wxVERTICAL );
wxWindow *mixerPanel = new ExportMixerPanel( mMixerSpec, mTrackNames, this,
ID_MIXERPANEL, wxDefaultPosition, wxSize( 400, -1 ) );
vertSizer->Add( mixerPanel, 1, wxEXPAND | wxALIGN_CENTRE | wxALL, 5 );
wxBoxSizer *horSizer = new wxBoxSizer( wxHORIZONTAL );
mChannelsText = new wxStaticText( this, -1,
wxString::Format( _( "Output Channels: %2d" ),
mMixerSpec->GetNumChannels() ) );
horSizer->Add( mChannelsText, 0, wxALIGN_LEFT | wxALL, 5 );
wxSlider *channels = new wxSlider( this, ID_SLIDER_CHANNEL,
mMixerSpec->GetNumChannels(), 1, mMixerSpec->GetMaxNumChannels(),
wxDefaultPosition, wxSize( 300, -1 ) );
horSizer->Add( channels, 0, wxEXPAND | wxALL, 5 );
vertSizer->Add( horSizer, 0, wxALIGN_CENTRE | wxALL, 5 );
horSizer = new wxBoxSizer( wxHORIZONTAL );
wxButton *cancel = new wxButton( this, wxID_CANCEL, _( "&Cancel" ) );
horSizer->Add( cancel, 0, wxALIGN_CENTRE | wxALL, 5 );
wxButton *ok = new wxButton( this, wxID_OK, _( "&OK" ) );
ok->SetDefault();
horSizer->Add( ok, 0, wxALIGN_CENTRE | wxALL, 5 );
vertSizer->Add( horSizer, 0, wxALIGN_CENTRE | wxALL, 5 );
SetAutoLayout( true );
SetSizer( vertSizer );
vertSizer->Fit( this );
vertSizer->SetSizeHints( this );
SetSizeHints( 640, 480, 20000, 20000 );
SetSize( 640, 480 );
}
// Gets the name of the specified object.
wxAccStatus TrackPanelAx::GetName( int childId, wxString* name )
{
#if defined(__WXMSW__)
if( childId == wxACC_SELF )
{
*name = _( "TrackView" );
}
else
{
Track *t = FindTrack( childId );
if( t == NULL )
{
return wxACC_FAIL;
}
else
{
*name = t->GetName();
if( *name == t->GetDefaultName() )
{
/* i18n-hint: The %d is replaced by th enumber of the track.*/
name->Printf(_("Track %d"), TrackNum( t ) );
}
if (t->GetKind() == Track::Label)
{
/* i18n-hint: This is for screen reader software and indicates that
this is a Label track.*/
name->Append( wxT(" ") + wxString(_("Label Track")));
}
else if (t->GetKind() == Track::Time)
{
/* i18n-hint: This is for screen reader software and indicates that
this is a Time track.*/
name->Append( wxT(" ") + wxString(_("Time Track")));
}
else if (t->GetKind() == Track::Note)
{
/* i18n-hint: This is for screen reader software and indicates that
this is a Note track.*/
name->Append( wxT(" ") + wxString(_("Note Track")));
}
// LLL: Remove these during "refactor"
if( t->GetMute() )
{
// The following comment also applies to the solo, selected,
// and synclockselected states.
// Many of translations of the strings with a leading space omitted
// the leading space. Therefore a space has been added using wxT(" ").
// Because screen readers won't be affected by multiple spaces, the
// leading spaces have not been removed, so that no new translations are needed.
/* i18n-hint: This is for screen reader software and indicates that
on this track mute is on.*/
name->Append( wxT(" ") + wxString(_( " Mute On" )) );
}
if( t->GetSolo() )
{
/* i18n-hint: This is for screen reader software and indicates that
on this track solo is on.*/
name->Append( wxT(" ") + wxString(_( " Solo On" )) );
}
if( t->GetSelected() )
{
/* i18n-hint: This is for screen reader software and indicates that
this track is selected.*/
name->Append( wxT(" ") + wxString(_( " Select On" )) );
}
if( t->IsSyncLockSelected() )
{
/* i18n-hint: This is for screen reader software and indicates that
this track is shown with a sync-locked icon.*/
// The absence of a dash between Sync and Locked is deliberate -
// if present, Jaws reads it as "dash".
name->Append( wxT(" ") + wxString(_( " Sync Lock Selected" )) );
}
}
}
return wxACC_OK;
#endif
#if defined(__WXMAC__)
return wxACC_NOT_IMPLEMENTED;
#endif
}
bool MixAndRender(TrackList *tracks, TrackFactory *trackFactory,
double rate, sampleFormat format,
double startTime, double endTime,
WaveTrack **newLeft, WaveTrack **newRight)
{
// This function was formerly known as "Quick Mix". It takes one or
// more tracks as input; of all tracks that are selected, it mixes
// them together, applying any envelopes, amplitude gain, panning,
// and real-time effects in the process. The resulting pair of
// tracks (stereo) are "rendered" and have no effects, gain, panning,
// or envelopes.
WaveTrack **waveArray;
Track *t;
int numWaves = 0;
int numMono = 0;
bool mono = false;
int w;
TrackListIterator iter(tracks);
t = iter.First();
while (t) {
if (t->GetSelected() && t->GetKind() == Track::Wave) {
numWaves++;
float pan = ((WaveTrack*)t)->GetPan();
if (t->GetChannel() == Track::MonoChannel && pan == 0)
numMono++;
}
t = iter.Next();
}
if (numMono == numWaves)
mono = true;
double totalTime = 0.0;
waveArray = new WaveTrack *[numWaves];
w = 0;
t = iter.First();
while (t) {
if (t->GetSelected() && t->GetKind() == Track::Wave) {
waveArray[w++] = (WaveTrack *) t;
if (t->GetEndTime() > totalTime)
totalTime = t->GetEndTime();
}
t = iter.Next();
}
WaveTrack *mixLeft = trackFactory->NewWaveTrack(format, rate);
mixLeft->SetName(_("Mix"));
WaveTrack *mixRight = 0;
if (mono) {
mixLeft->SetChannel(Track::MonoChannel);
}
else {
mixRight = trackFactory->NewWaveTrack(format, rate);
mixRight->SetName(_("Mix"));
mixLeft->SetChannel(Track::LeftChannel);
mixRight->SetChannel(Track::RightChannel);
mixLeft->SetLinked(true);
mixRight->SetTeamed(true);
}
int maxBlockLen = mixLeft->GetIdealBlockSize();
if (startTime == endTime) {
startTime = 0.0;
endTime = totalTime;
}
Mixer *mixer = new Mixer(numWaves, waveArray, tracks->GetTimeTrack(),
startTime, endTime, mono ? 1 : 2, maxBlockLen, false,
rate, format);
wxYield();
GetActiveProject()->ProgressShow(_NoAcc("&Mix and Render"),
_("Mixing and rendering tracks"));
wxBusyCursor busy;
bool cancelling = false;
while(!cancelling) {
sampleCount blockLen = mixer->Process(maxBlockLen);
if (blockLen == 0)
break;
if (mono) {
samplePtr buffer = mixer->GetBuffer();
mixLeft->Append(buffer, format, blockLen);
}
else {
samplePtr buffer;
buffer = mixer->GetBuffer(0);
mixLeft->Append(buffer, format, blockLen);
buffer = mixer->GetBuffer(1);
mixRight->Append(buffer, format, blockLen);
}
int progressvalue = int (1000 * (mixer->MixGetCurrentTime() / totalTime));
cancelling = !GetActiveProject()->ProgressUpdate(progressvalue);
}
GetActiveProject()->ProgressHide();
mixLeft->Flush();
*newLeft = mixLeft;
if (!mono) {
mixRight->Flush();
*newRight = mixRight;
}
#if 0
int elapsedMS = wxGetElapsedTime();
double elapsedTime = elapsedMS * 0.001;
double maxTracks = totalTime / (elapsedTime / numWaves);
// Note: these shouldn't be translated - they're for debugging
// and profiling only.
printf(" Tracks: %d\n", numWaves);
printf(" Mix length: %f sec\n", totalTime);
printf("Elapsed time: %f sec\n", elapsedTime);
printf("Max number of tracks to mix in real time: %f\n", maxTracks);
#endif
delete[] waveArray;
delete mixer;
return true;
}
bool Generator::Process()
{
if (GetDuration() < 0.0)
return false;
// Set up mOutputTracks.
// This effect needs Track::All for sync-lock grouping.
this->CopyInputTracks(Track::All);
// Iterate over the tracks
bool bGoodResult = true;
int ntrack = 0;
TrackListIterator iter(mOutputTracks);
Track* t = iter.First();
while (t != NULL)
{
if (t->GetKind() == Track::Wave && t->GetSelected()) {
WaveTrack* track = (WaveTrack*)t;
bool editClipCanMove;
gPrefs->Read(wxT("/GUI/EditClipCanMove"), &editClipCanMove, true);
//if we can't move clips, and we're generating into an empty space,
//make sure there's room.
if (!editClipCanMove &&
track->IsEmpty(mT0, mT1+1.0/track->GetRate()) &&
!track->IsEmpty(mT0, mT0+GetDuration()-(mT1-mT0)-1.0/track->GetRate()))
{
wxMessageBox(
_("There is not enough room available to generate the audio"),
_("Error"), wxICON_STOP);
Failure();
return false;
}
if (GetDuration() > 0.0)
{
AudacityProject *p = GetActiveProject();
// Create a temporary track
std::unique_ptr<WaveTrack> tmp(
mFactory->NewWaveTrack(track->GetSampleFormat(),
track->GetRate())
);
BeforeTrack(*track);
BeforeGenerate();
// Fill it with data
if (!GenerateTrack(&*tmp, *track, ntrack))
bGoodResult = false;
else {
// Transfer the data from the temporary track to the actual one
tmp->Flush();
SetTimeWarper(new StepTimeWarper(mT0+GetDuration(), GetDuration()-(mT1-mT0)));
bGoodResult = track->ClearAndPaste(p->GetSel0(), p->GetSel1(), &*tmp, true,
false, GetTimeWarper());
}
if (!bGoodResult) {
Failure();
return false;
}
}
else
{
// If the duration is zero, there's no need to actually
// generate anything
track->Clear(mT0, mT1);
}
ntrack++;
}
else if (t->IsSyncLockSelected()) {
t->SyncLockAdjust(mT1, mT0 + GetDuration());
}
// Move on to the next track
t = iter.Next();
}
Success();
this->ReplaceProcessedTracks(bGoodResult);
mT1 = mT0 + GetDuration(); // Update selection.
return true;
}
void ControlToolBar::OnRecord(wxCommandEvent &evt)
{
if (gAudioIO->IsBusy()) {
mRecord->PopUp();
return;
}
AudacityProject *p = GetActiveProject();
if( evt.GetInt() == 1 ) // used when called by keyboard shortcut. Default (0) ignored.
mRecord->SetShift(true);
if( evt.GetInt() == 2 )
mRecord->SetShift(false);
SetRecord(true, mRecord->WasShiftDown());
if (p) {
TrackList *t = p->GetTracks();
TrackListIterator it(t);
if(it.First() == NULL)
mRecord->SetShift(false);
double t0 = p->GetSel0();
double t1 = p->GetSel1();
if (t1 == t0)
t1 = 1000000000.0; // record for a long, long time (tens of years)
/* TODO: set up stereo tracks if that is how the user has set up
* their preferences, and choose sample format based on prefs */
WaveTrackArray newRecordingTracks, playbackTracks;
#ifdef EXPERIMENTAL_MIDI_OUT
NoteTrackArray midiTracks;
#endif
bool duplex;
gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);
if(duplex){
playbackTracks = t->GetWaveTrackArray(false);
#ifdef EXPERIMENTAL_MIDI_OUT
midiTracks = t->GetNoteTrackArray(false);
#endif
}
else {
playbackTracks = WaveTrackArray();
#ifdef EXPERIMENTAL_MIDI_OUT
midiTracks = NoteTrackArray();
#endif
}
// If SHIFT key was down, the user wants append to tracks
int recordingChannels = 0;
bool shifted = mRecord->WasShiftDown();
if (shifted) {
bool sel = false;
double allt0 = t0;
// Find the maximum end time of selected and all wave tracks
// Find whether any tracks were selected. (If any are selected,
// record only into them; else if tracks exist, record into all.)
for (Track *tt = it.First(); tt; tt = it.Next()) {
if (tt->GetKind() == Track::Wave) {
WaveTrack *wt = static_cast<WaveTrack *>(tt);
if (wt->GetEndTime() > allt0) {
allt0 = wt->GetEndTime();
}
if (tt->GetSelected()) {
sel = true;
if (wt->GetEndTime() > t0) {
t0 = wt->GetEndTime();
}
}
}
}
// Use end time of all wave tracks if none selected
if (!sel) {
t0 = allt0;
}
// Pad selected/all wave tracks to make them all the same length
// Remove recording tracks from the list of tracks for duplex ("overdub")
// playback.
for (Track *tt = it.First(); tt; tt = it.Next()) {
if (tt->GetKind() == Track::Wave && (tt->GetSelected() || !sel)) {
WaveTrack *wt = static_cast<WaveTrack *>(tt);
if (duplex)
playbackTracks.Remove(wt);
t1 = wt->GetEndTime();
if (t1 < t0) {
WaveTrack *newTrack = p->GetTrackFactory()->NewWaveTrack();
newTrack->InsertSilence(0.0, t0 - t1);
newTrack->Flush();
wt->Clear(t1, t0);
bool bResult = wt->Paste(t1, newTrack);
wxASSERT(bResult); // TO DO: Actually handle this.
delete newTrack;
}
newRecordingTracks.Add(wt);
}
}
t1 = 1000000000.0; // record for a long, long time (tens of years)
}
else {
recordingChannels = gPrefs->Read(wxT("/AudioIO/RecordChannels"), 2);
for (int c = 0; c < recordingChannels; c++) {
WaveTrack *newTrack = p->GetTrackFactory()->NewWaveTrack();
newTrack->SetOffset(t0);
if (recordingChannels > 2)
newTrack->SetMinimized(true);
if (recordingChannels == 2) {
if (c == 0) {
newTrack->SetChannel(Track::LeftChannel);
newTrack->SetLinked(true);
}
else {
newTrack->SetChannel(Track::RightChannel);
}
}
else {
newTrack->SetChannel( Track::MonoChannel );
}
newRecordingTracks.Add(newTrack);
}
// msmeyer: StartStream calls a callback which triggers auto-save, so
// we add the tracks where recording is done into now. We remove them
// later if starting the stream fails
for (unsigned int i = 0; i < newRecordingTracks.GetCount(); i++)
t->Add(newRecordingTracks[i]);
}
//Automated Input Level Adjustment Initialization
#ifdef AUTOMATED_INPUT_LEVEL_ADJUSTMENT
gAudioIO->AILAInitialize();
#endif
int token = gAudioIO->StartStream(playbackTracks,
newRecordingTracks,
#ifdef EXPERIMENTAL_MIDI_OUT
midiTracks,
#endif
t->GetTimeTrack(),
p->GetRate(), t0, t1, p);
bool success = (token != 0);
if (success) {
p->SetAudioIOToken(token);
mBusyProject = p;
}
else {
// msmeyer: Delete recently added tracks if opening stream fails
if (!shifted) {
for (unsigned int i = 0; i < newRecordingTracks.GetCount(); i++) {
t->Remove(newRecordingTracks[i]);
delete newRecordingTracks[i];
}
}
// msmeyer: Show error message if stream could not be opened
wxMessageBox(_("Error while opening sound device. Please check the recording device settings and the project sample rate."),
_("Error"), wxOK | wxICON_EXCLAMATION, this);
SetPlay(false);
SetStop(false);
SetRecord(false);
}
}
}
bool EffectChangeSpeed::Process()
{
// Similar to EffectSoundTouch::Process()
// Iterate over each track.
// Track::All is needed because this effect needs to introduce
// silence in the sync-lock group tracks to keep sync
this->CopyInputTracks(Track::All); // Set up mOutputTracks.
bool bGoodResult = true;
TrackListIterator iter(mOutputTracks);
Track* t;
mCurTrackNum = 0;
mMaxNewLength = 0.0;
mFactor = 100.0 / (100.0 + mPercentChange);
t = iter.First();
while (t != NULL)
{
if (t->GetKind() == Track::Label) {
if (t->GetSelected() || t->IsSyncLockSelected())
{
if (!ProcessLabelTrack(t)) {
bGoodResult = false;
break;
}
}
}
else if (t->GetKind() == Track::Wave && t->GetSelected())
{
WaveTrack *pOutWaveTrack = (WaveTrack*)t;
//Get start and end times from track
mCurT0 = pOutWaveTrack->GetStartTime();
mCurT1 = pOutWaveTrack->GetEndTime();
//Set the current bounds to whichever left marker is
//greater and whichever right marker is less:
mCurT0 = wxMax(mT0, mCurT0);
mCurT1 = wxMin(mT1, mCurT1);
// Process only if the right marker is to the right of the left marker
if (mCurT1 > mCurT0) {
//Transform the marker timepoints to samples
sampleCount start = pOutWaveTrack->TimeToLongSamples(mCurT0);
sampleCount end = pOutWaveTrack->TimeToLongSamples(mCurT1);
//ProcessOne() (implemented below) processes a single track
if (!ProcessOne(pOutWaveTrack, start, end))
{
bGoodResult = false;
break;
}
}
mCurTrackNum++;
}
else if (t->IsSyncLockSelected())
{
t->SyncLockAdjust(mT1, mT0 + (mT1 - mT0) * mFactor);
}
//Iterate to the next track
t=iter.Next();
}
if (bGoodResult)
ReplaceProcessedTracks(bGoodResult);
mT1 = mT0 + mMaxNewLength; // Update selection.
return bGoodResult;
}
void ControlToolBar::OnRecord(wxCommandEvent &evt)
{
auto doubleClicked = mRecord->IsDoubleClicked();
mRecord->ClearDoubleClicked();
if (doubleClicked) {
// Display a fixed recording head while scrolling the waves continuously.
// If you overdub, you may want to anticipate some context in existing tracks,
// so center the head. If not, put it rightmost to display as much wave as we can.
const auto project = GetActiveProject();
bool duplex;
gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);
if (duplex) {
// See if there is really anything being overdubbed
if (gAudioIO->GetNumPlaybackChannels() == 0)
// No.
duplex = false;
}
using Mode = AudacityProject::PlaybackScroller::Mode;
project->GetPlaybackScroller().Activate(duplex ? Mode::Centered : Mode::Right);
return;
}
if (gAudioIO->IsBusy()) {
if (!CanStopAudioStream() || 0 == gAudioIO->GetNumCaptureChannels())
mRecord->PopUp();
else
mRecord->PushDown();
return;
}
AudacityProject *p = GetActiveProject();
if( evt.GetInt() == 1 ) // used when called by keyboard shortcut. Default (0) ignored.
mRecord->SetShift(true);
if( evt.GetInt() == 2 )
mRecord->SetShift(false);
SetRecord(true, mRecord->WasShiftDown());
if (p) {
TrackList *trackList = p->GetTracks();
TrackListIterator it(trackList);
if(it.First() == NULL)
mRecord->SetShift(false);
double t0 = p->GetSel0();
double t1 = p->GetSel1();
if (t1 == t0)
t1 = 1000000000.0; // record for a long, long time (tens of years)
/* TODO: set up stereo tracks if that is how the user has set up
* their preferences, and choose sample format based on prefs */
WaveTrackArray newRecordingTracks, playbackTracks;
#ifdef EXPERIMENTAL_MIDI_OUT
NoteTrackArray midiTracks;
#endif
bool duplex;
gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);
if(duplex){
playbackTracks = trackList->GetWaveTrackArray(false);
#ifdef EXPERIMENTAL_MIDI_OUT
midiTracks = trackList->GetNoteTrackArray(false);
#endif
}
else {
playbackTracks = WaveTrackArray();
#ifdef EXPERIMENTAL_MIDI_OUT
midiTracks = NoteTrackArray();
#endif
}
// If SHIFT key was down, the user wants append to tracks
int recordingChannels = 0;
TrackList tracksCopy{};
bool tracksCopied = false;
bool shifted = mRecord->WasShiftDown();
if (shifted) {
bool sel = false;
double allt0 = t0;
// Find the maximum end time of selected and all wave tracks
// Find whether any tracks were selected. (If any are selected,
// record only into them; else if tracks exist, record into all.)
for (Track *tt = it.First(); tt; tt = it.Next()) {
if (tt->GetKind() == Track::Wave) {
WaveTrack *wt = static_cast<WaveTrack *>(tt);
if (wt->GetEndTime() > allt0) {
allt0 = wt->GetEndTime();
}
if (tt->GetSelected()) {
sel = true;
if (wt->GetEndTime() > t0) {
t0 = wt->GetEndTime();
}
}
}
}
// Use end time of all wave tracks if none selected
if (!sel) {
t0 = allt0;
}
// Pad selected/all wave tracks to make them all the same length
// Remove recording tracks from the list of tracks for duplex ("overdub")
// playback.
for (Track *tt = it.First(); tt; tt = it.Next()) {
if (tt->GetKind() == Track::Wave && (tt->GetSelected() || !sel)) {
WaveTrack *wt = static_cast<WaveTrack *>(tt);
if (duplex) {
auto end = playbackTracks.end();
auto it = std::find(playbackTracks.begin(), end, wt);
if (it != end)
playbackTracks.erase(it);
}
t1 = wt->GetEndTime();
if (t1 < t0) {
if (!tracksCopied) {
tracksCopied = true;
tracksCopy = *trackList;
}
auto newTrack = p->GetTrackFactory()->NewWaveTrack();
newTrack->InsertSilence(0.0, t0 - t1);
newTrack->Flush();
wt->Clear(t1, t0);
bool bResult = wt->Paste(t1, newTrack.get());
wxASSERT(bResult); // TO DO: Actually handle this.
wxUnusedVar(bResult);
}
newRecordingTracks.push_back(wt);
}
}
t1 = 1000000000.0; // record for a long, long time (tens of years)
}
else {
bool recordingNameCustom, useTrackNumber, useDateStamp, useTimeStamp;
wxString defaultTrackName, defaultRecordingTrackName;
int numTracks = 0;
for (Track *tt = it.First(); tt; tt = it.Next()) {
if (tt->GetKind() == Track::Wave && !tt->GetLinked())
numTracks++;
}
numTracks++;
recordingChannels = gPrefs->Read(wxT("/AudioIO/RecordChannels"), 2);
gPrefs->Read(wxT("/GUI/TrackNames/RecordingNameCustom"), &recordingNameCustom, false);
gPrefs->Read(wxT("/GUI/TrackNames/TrackNumber"), &useTrackNumber, false);
gPrefs->Read(wxT("/GUI/TrackNames/DateStamp"), &useDateStamp, false);
gPrefs->Read(wxT("/GUI/TrackNames/TimeStamp"), &useTimeStamp, false);
/* i18n-hint: The default name for an audio track. */
gPrefs->Read(wxT("/GUI/TrackNames/DefaultTrackName"),&defaultTrackName, _("Audio Track"));
gPrefs->Read(wxT("/GUI/TrackNames/RecodingTrackName"), &defaultRecordingTrackName, defaultTrackName);
wxString baseTrackName = recordingNameCustom? defaultRecordingTrackName : defaultTrackName;
for (int c = 0; c < recordingChannels; c++) {
auto newTrack = p->GetTrackFactory()->NewWaveTrack();
newTrack->SetOffset(t0);
wxString nameSuffix = wxString(wxT(""));
if (useTrackNumber) {
nameSuffix += wxString::Format(wxT("%d"), numTracks + c);
}
if (useDateStamp) {
if (!nameSuffix.IsEmpty()) {
nameSuffix += wxT("_");
}
nameSuffix += wxDateTime::Now().FormatISODate();
}
if (useTimeStamp) {
if (!nameSuffix.IsEmpty()) {
nameSuffix += wxT("_");
}
nameSuffix += wxDateTime::Now().FormatISOTime();
}
// ISO standard would be nice, but ":" is unsafe for file name.
nameSuffix.Replace(wxT(":"), wxT("-"));
if (baseTrackName.IsEmpty()) {
newTrack->SetName(nameSuffix);
}
else if (nameSuffix.IsEmpty()) {
newTrack->SetName(baseTrackName);
}
else {
newTrack->SetName(baseTrackName + wxT("_") + nameSuffix);
}
if (recordingChannels > 2)
newTrack->SetMinimized(true);
if (recordingChannels == 2) {
if (c == 0) {
newTrack->SetChannel(Track::LeftChannel);
newTrack->SetLinked(true);
}
else {
newTrack->SetChannel(Track::RightChannel);
}
}
else {
newTrack->SetChannel( Track::MonoChannel );
}
// Let the list hold the track, and keep a pointer to it
newRecordingTracks.push_back(
static_cast<WaveTrack*>(
trackList->Add(
std::move(newTrack))));
}
}
//Automated Input Level Adjustment Initialization
#ifdef EXPERIMENTAL_AUTOMATED_INPUT_LEVEL_ADJUSTMENT
gAudioIO->AILAInitialize();
#endif
AudioIOStartStreamOptions options(p->GetDefaultPlayOptions());
int token = gAudioIO->StartStream(playbackTracks,
newRecordingTracks,
#ifdef EXPERIMENTAL_MIDI_OUT
midiTracks,
#endif
t0, t1, options);
bool success = (token != 0);
if (success) {
p->SetAudioIOToken(token);
mBusyProject = p;
}
else {
if (shifted) {
// Restore the tracks to remove any inserted silence
if (tracksCopied)
*trackList = std::move(tracksCopy);
}
else {
// msmeyer: Delete recently added tracks if opening stream fails
for (unsigned int i = 0; i < newRecordingTracks.size(); i++) {
trackList->Remove(newRecordingTracks[i]);
}
}
// msmeyer: Show error message if stream could not be opened
wxMessageBox(_("Error while opening sound device. Please check the recording device settings and the project sample rate."),
_("Error"), wxOK | wxICON_EXCLAMATION, this);
SetPlay(false);
SetStop(false);
SetRecord(false);
}
}
UpdateStatusBar(GetActiveProject());
}
bool EffectTruncSilence::DoRemoval
(const RegionList &silences, unsigned iGroup, unsigned nGroups, Track *firstTrack, Track *lastTrack,
double &totalCutLen)
{
//
// Now remove the silent regions from all selected / sync-lock selected tracks.
//
// Loop over detected regions in reverse (so cuts don't change time values
// down the line)
int whichReg = 0;
RegionList::const_reverse_iterator rit;
for (rit = silences.rbegin(); rit != silences.rend(); ++rit)
{
const Region ®ion = *rit;
const Region *const r = ®ion;
// Progress dialog and cancellation. Do additional cleanup before return.
const double frac = detectFrac +
(1 - detectFrac) * (iGroup + whichReg / double(silences.size())) / nGroups;
if (TotalProgress(frac))
{
ReplaceProcessedTracks(false);
return false;
}
// Intersection may create regions smaller than allowed; ignore them.
// Allow one nanosecond extra for consistent results with exact milliseconds of allowed silence.
if ((r->end - r->start) < (mInitialAllowedSilence - 0.000000001))
continue;
// Find NEW silence length as requested
double inLength = r->end - r->start;
double outLength;
switch (mActionIndex)
{
case kTruncate:
outLength = std::min(mTruncLongestAllowedSilence, inLength);
break;
case kCompress:
outLength = mInitialAllowedSilence +
(inLength - mInitialAllowedSilence) * mSilenceCompressPercent / 100.0;
break;
default: // Not currently used.
outLength = std::min(mInitialAllowedSilence +
(inLength - mInitialAllowedSilence) * mSilenceCompressPercent / 100.0,
mTruncLongestAllowedSilence);
}
double cutLen = inLength - outLength;
totalCutLen += cutLen;
TrackListIterator iterOut(mOutputTracks);
bool lastSeen = false;
for (Track *t = iterOut.StartWith(firstTrack); t && !lastSeen; t = iterOut.Next())
{
lastSeen = (t == lastTrack);
if (!(t->GetSelected() || t->IsSyncLockSelected()))
continue;
// Don't waste time past the end of a track
if (t->GetEndTime() < r->start)
continue;
double cutStart = (r->start + r->end - cutLen) / 2;
double cutEnd = cutStart + cutLen;
if (t->GetKind() == Track::Wave)
{
// In WaveTracks, clear with a cross-fade
WaveTrack *const wt = static_cast<WaveTrack*>(t);
sampleCount blendFrames = mBlendFrameCount;
// Round start/end times to frame boundaries
cutStart = wt->LongSamplesToTime(wt->TimeToLongSamples(cutStart));
cutEnd = wt->LongSamplesToTime(wt->TimeToLongSamples(cutEnd));
// Make sure the cross-fade does not affect non-silent frames
if (wt->LongSamplesToTime(blendFrames) > inLength)
{
blendFrames = wt->TimeToLongSamples(inLength);
}
// Perform cross-fade in memory
float *buf1 = new float[blendFrames];
float *buf2 = new float[blendFrames];
sampleCount t1 = wt->TimeToLongSamples(cutStart) - blendFrames / 2;
sampleCount t2 = wt->TimeToLongSamples(cutEnd) - blendFrames / 2;
wt->Get((samplePtr)buf1, floatSample, t1, blendFrames);
wt->Get((samplePtr)buf2, floatSample, t2, blendFrames);
for (sampleCount i = 0; i < blendFrames; ++i)
{
buf1[i] = ((blendFrames-i) * buf1[i] + i * buf2[i]) /
(double)blendFrames;
}
// Perform the cut
wt->Clear(cutStart, cutEnd);
// Write cross-faded data
wt->Set((samplePtr)buf1, floatSample, t1, blendFrames);
delete [] buf1;
delete [] buf2;
}
else
// Non-wave tracks: just do a sync-lock adjust
t->SyncLockAdjust(cutEnd, cutStart);
}
++whichReg;
}
return true;
}
bool EffectAutoDuck::Init()
{
gPrefs->Read(wxT("/Effects/AutoDuck/DuckAmountDb"),
&mDuckAmountDb, PARAM_DEFAULT_DUCK_AMOUNT_DB);
gPrefs->Read(wxT("/Effects/AutoDuck/InnerFadeDownLen"),
&mInnerFadeDownLen, PARAM_DEFAULT_INNER_FADE_DOWN_LEN);
gPrefs->Read(wxT("/Effects/AutoDuck/InnerFadeUpLen"),
&mInnerFadeUpLen, PARAM_DEFAULT_INNER_FADE_UP_LEN);
gPrefs->Read(wxT("/Effects/AutoDuck/OuterFadeDownLen"),
&mOuterFadeDownLen, PARAM_DEFAULT_OUTER_FADE_DOWN_LEN);
gPrefs->Read(wxT("/Effects/AutoDuck/OuterFadeUpLen"),
&mOuterFadeUpLen, PARAM_DEFAULT_OUTER_FADE_UP_LEN);
gPrefs->Read(wxT("/Effects/AutoDuck/ThresholdDb"),
&mThresholdDb, PARAM_DEFAULT_THRESHOLD_DB);
gPrefs->Read(wxT("/Effects/AutoDuck/MaximumPause"),
&mMaximumPause, PARAM_DEFAULT_MAXIMUM_PAUSE);
mControlTrack = NULL;
TrackListIterator iter(mTracks);
Track *t = iter.First();
bool lastWasSelectedWaveTrack = false;
WaveTrack *controlTrackCandidate = NULL;
while(t)
{
if (lastWasSelectedWaveTrack && !t->GetSelected() &&
t->GetKind() == Track::Wave)
{
// This could be the control track, so remember it
controlTrackCandidate = (WaveTrack*)t;
}
lastWasSelectedWaveTrack = false;
if (t->GetSelected())
{
if (t->GetKind() == Track::Wave)
{
lastWasSelectedWaveTrack = true;
} else
{
wxMessageBox(
_("You selected a track which does not contain audio. AutoDuck can only process audio tracks."),
/* i18n-hint: Auto duck is the name of an effect that 'ducks' (reduces the volume)
* of the audio automatically when there is sound on another track. Not as
* in 'Donald-Duck'!*/
_("Auto Duck"), wxICON_ERROR, mParent);
return false;
}
}
t = iter.Next();
}
if (!controlTrackCandidate)
{
wxMessageBox(
_("Auto Duck needs a control track which must be placed below the selected track(s)."),
_("Auto Duck"), wxICON_ERROR, mParent);
return false;
}
mControlTrack = controlTrackCandidate;
return true;
}
