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; }