Track *SyncLockedTracksIterator::Prev(bool skiplinked)
{
Track *t = TrackListIterator::Prev(skiplinked);
//
// Ways to end a sync-locked group in reverse
//
// Beginning of tracks
if (!t)
return NULL;
// In wave section, encounter a label track
if (!mInLabelSection && t->GetKind() == Track::Label) {
cur = NULL;
return NULL;
}
#ifndef USE_MIDI
// Encounter a non-wave non-label track
if (t->GetKind() != Track::Wave && t->GetKind() != Track::Label) {
cur = NULL;
return NULL;
}
#endif
// Otherwise, check if we're in the label section
mInLabelSection = (t->GetKind() == Track::Label);
return t;
}
Track *SyncLockedTracksIterator::Next(bool skiplinked)
{
Track *t = TrackListIterator::Next(skiplinked);
//
// Ways to end a sync-locked group
//
// End of tracks
if (!t)
return NULL;
// In the label section, encounter a non-label track
if (mInLabelSection && t->GetKind() != Track::Label) {
cur = NULL;
return NULL;
}
// This code block stops a group when a NoteTrack is encountered
#ifndef USE_MIDI
// Encounter a non-wave non-label track
if (t->GetKind() != Track::Wave && t->GetKind() != Track::Label) {
cur = NULL;
return NULL;
}
#endif
// Otherwise, check if we're in the label section
mInLabelSection = (t->GetKind() == Track::Label);
return t;
}
void ControlToolBar::EnableDisableButtons()
{
//TIDY-ME: Button logic could be neater.
AudacityProject *p = GetActiveProject();
bool tracks = false;
bool playing = mPlay->IsDown();
bool recording = mRecord->IsDown();
bool busy = gAudioIO->IsBusy() || playing || recording;
// Only interested in audio type tracks
if (p) {
TrackListIterator iter( p->GetTracks() );
for (Track *t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Wave
#if defined(USE_MIDI)
|| t->GetKind() == Track::Note
#endif
) {
tracks = true;
break;
}
}
}
mPlay->SetEnabled((!recording) || (tracks && !busy));
mRecord->SetEnabled(!busy && !playing);
mStop->SetEnabled(busy);
mRewind->SetEnabled(!busy);
mFF->SetEnabled(tracks && !busy);
mPause->SetEnabled(true);
}
bool LabelDialog::TransferDataFromWindow()
{
int cnt = mData.size();
int i;
TrackListIterator iter(mTracks);
Track *t;
int tndx = 0;
// Clear all label tracks of labels
for (t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Label) {
LabelTrack *lt = (LabelTrack *)t;
tndx++;
for (i = lt->GetNumLabels() - 1; i >= 0 ; i--) {
lt->DeleteLabel(i);
}
}
}
// Create any added tracks
while (tndx < (int)mTrackNames.GetCount() - 1) {
// Extract the name
wxString name = mTrackNames[tndx + 1].AfterFirst(wxT('-')).Mid(1);
// Create the NEW track and add to track list
auto newTrack = mFactory.NewLabelTrack();
newTrack->SetName(name);
mTracks->Add(std::move(newTrack));
tndx++;
}
// Repopulate with updated labels
for (i = 0; i < cnt; i++) {
RowData &rd = mData[i];
// Look for track with matching index
tndx = 1;
for (t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Label && rd.index == tndx++) {
break;
}
}
wxASSERT(t);
if (!t)
return false;
// Add the label to it
((LabelTrack *) t)->AddLabel(rd.selectedRegion, rd.title);
((LabelTrack *) t)->Unselect();
}
return true;
}
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;
}
bool LabelDialog::TransferDataFromWindow()
{
int cnt = mData.GetCount();
int i;
TrackListIterator iter(mTracks);
Track *t;
int tndx = 0;
// Clear all label tracks of labels
for (t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Label) {
LabelTrack *lt = (LabelTrack *)t;
tndx++;
for (i = lt->GetNumLabels() - 1; i >= 0 ; i--) {
lt->DeleteLabel(i);
}
}
}
// Create any added tracks
while (tndx < (int)mTrackNames.GetCount() - 1) {
// Extract the name
wxString name = mTrackNames[tndx + 1].AfterFirst(wxT('-')).Mid(1);
// Create the new track and add to track list
LabelTrack *newTrack = new LabelTrack(mDirManager);
newTrack->SetName(name);
mTracks->Add(newTrack);
tndx++;
}
// Repopulate with updated labels
for (i = 0; i < cnt; i++) {
RowData *rd = mData[i];
// Look for track with matching index
tndx = 1;
for (t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Label && rd->index == tndx++) {
break;
}
}
// Add the label to it
if (!rd->title.IsEmpty()) {
((LabelTrack *) t)->AddLabel(rd->stime, rd->etime, rd->title);
((LabelTrack *) t)->Unselect();
}
}
return true;
}
void ExportMultiple::CountTracksAndLabels()
{
mLabels = NULL;
mNumLabels = 0;
mNumWaveTracks = 0;
Track* pTrack;
for (pTrack = mIterator.First(mTracks); pTrack != NULL; pTrack = mIterator.Next())
{
switch (pTrack->GetKind())
{
// Count WaveTracks, and for linked pairs, count only the second of the pair.
case Track::Wave:
{
if (pTrack->GetLinked() == false)
mNumWaveTracks++;
break;
}
case Track::Label:
{
// Supports only one LabelTrack.
if (mLabels == NULL) {
mLabels = (LabelTrack*)pTrack;
mNumLabels = mLabels->GetNumLabels();
}
break;
}
}
}
}
UIHandle::Result LabelDefaultClickHandle::Click
(const TrackPanelMouseEvent &evt, AudacityProject *pProject)
{
using namespace RefreshCode;
// Redraw to show the change of text box selection status
UIHandle::Result result = RefreshAll;
if (evt.event.LeftDown())
{
SaveState( pProject );
TrackList *const tracks = pProject->GetTracks();
TrackListIterator iter(tracks);
Track *n = iter.First();
while (n) {
if (n->GetKind() == Track::Label && evt.pCell.get() != n) {
LabelTrack *const lt = static_cast<LabelTrack*>(n);
lt->ResetFlags();
lt->Unselect();
}
n = iter.Next();
}
}
return result;
}
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 ExportMultiple::CountTracksAndLabels()
{
mLabels = NULL;
mNumLabels = 0;
mNumWaveTracks = 0;
Track* pTrack;
for (pTrack = mIterator->First(mTracks); pTrack != NULL; pTrack = mIterator->Next())
{
switch (pTrack->GetKind())
{
// Count WaveTracks, and for linked pairs, count only the second of the pair.
case Track::Wave:
{
if (!pTrack->GetMute() && !pTrack->GetLinked()) // Don't count muted tracks.
mNumWaveTracks++;
break;
}
// Only support one label track???
case Track::Label:
{
// Supports only one LabelTrack.
if (mLabels == NULL) {
mLabels = (LabelTrack*)pTrack;
mNumLabels = mLabels->GetNumLabels();
}
break;
}
}
}
}
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;
}
bool ODTask::IsTaskAssociatedWithProject(AudacityProject* proj)
{
TrackList *tracks = proj->GetTracks();
TrackListIterator iter1(tracks);
Track *tr = iter1.First();
while (tr)
{
//go over all tracks in the project
if (tr->GetKind() == Track::Wave)
{
//look inside our task's track list for one that matches this projects one.
mWaveTrackMutex.Lock();
for(int i=0;i<(int)mWaveTracks.size();i++)
{
if(mWaveTracks[i]==tr)
{
//if we find one, then the project is associated with us;return true
mWaveTrackMutex.Unlock();
return true;
}
}
mWaveTrackMutex.Unlock();
}
tr = iter1.Next();
}
return false;
}
int ExportMultiple::ShowModal()
{
Track *tr;
mLabels = NULL;
mNumLabels = 0;
mNumTracks = 0;
// Examine the track list looking for Wave and Label tracks
for (tr = mIterator.First(mTracks); tr != NULL; tr = mIterator.Next()) {
switch (tr->GetKind())
{
// Only count WaveTracks, and for linked pairs, only count the
// second one of the pair
case Track::Wave:
{
if (tr->GetLinked() == false) {
mNumTracks++;
}
break;
}
// Only support one label track???
case Track::Label:
{
if (mLabels == NULL) {
mLabels = (LabelTrack *)tr;
mNumLabels = mLabels->GetNumLabels();
}
break;
}
}
}
if (mNumTracks < 2 && mNumLabels < 1) {
::wxMessageBox(_("If you have more than one Audio Track, you can export each track as a separate file,\nor if you have a Label Track, you can export a new file for each label.\n\nThis project does not have multiple tracks or a Label Track, so you cannot export multiple files."),
_("Can't export multiple files"),
wxOK | wxCENTRE, this);
return wxID_CANCEL;
}
if (mNumLabels < 1) {
mLabel->Enable(false);
mTrack->SetValue(true);
mLabel->SetValue(false);
}
if (mNumTracks < 2) {
mTrack->Enable(false);
mLabel->SetValue(true);
mTrack->SetValue(false);
}
EnableControls();
return wxDialog::ShowModal();
}
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);
}
}
void ControlToolBar::EnableDisableButtons()
{
AudacityProject *p = GetActiveProject();
bool tracks = false;
bool playing = mPlay->IsDown();
bool recording = mRecord->IsDown();
bool busy = gAudioIO->IsBusy();
// Only interested in audio type tracks
if (p) {
TrackListIterator iter( p->GetTracks() );
for (Track *t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Wave
#if defined(USE_MIDI)
|| t->GetKind() == Track::Note
#endif
) {
tracks = true;
break;
}
}
}
if (p) {
TranscriptionToolBar *const playAtSpeedTB = p->GetTranscriptionToolBar();
if (playAtSpeedTB)
playAtSpeedTB->SetEnabled(CanStopAudioStream() && tracks && !recording);
}
mPlay->SetEnabled(CanStopAudioStream() && tracks && !recording);
mRecord->SetEnabled(
CanStopAudioStream() &&
!(busy && !recording) &&
!playing
);
mStop->SetEnabled(CanStopAudioStream() && (playing || recording));
mRewind->SetEnabled(!playing && !recording);
mFF->SetEnabled(tracks && !playing && !recording);
auto pProject = GetActiveProject();
mPause->SetEnabled(CanStopAudioStream());
}
void ControlToolBar::EnableDisableButtons()
{
//TIDY-ME: Button logic could be neater.
AudacityProject *p = GetActiveProject();
size_t numProjects = gAudacityProjects.Count();
bool tracks = false;
bool cleaningSpeech = mBatch->IsDown();
bool playing = mPlay->IsDown();
bool recording = mRecord->IsDown();
bool busy = gAudioIO->IsBusy() || playing || recording;
// Only interested in audio type tracks
if (p) {
TrackListIterator iter( p->GetTracks() );
for (Track *t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Wave
#if defined(USE_MIDI)
|| t->GetKind() == Track::Note
#endif
) {
tracks = true;
break;
}
}
}
mPlay->SetEnabled((!recording) || (tracks && !busy && !cleaningSpeech));
mRecord->SetEnabled(!busy && !playing);
if (p && GetActiveProject()->GetCleanSpeechMode()) {
bool canRecord = !tracks;
canRecord &= !cleaningSpeech;
canRecord &= !busy;
canRecord &= ((numProjects == 0) || ((numProjects == 1) && !tracks));
mRecord->SetEnabled(canRecord);
mBatch->SetEnabled(!busy && !recording);
}
mStop->SetEnabled(busy && !cleaningSpeech);
mRewind->SetEnabled(tracks && !busy);
mFF->SetEnabled(tracks && !busy);
mPause->SetEnabled(true);
}
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 LabelDefaultClickHandle::SaveState( AudacityProject *pProject )
{
mLabelState = std::make_shared<LabelState>();
auto &pairs = mLabelState->mPairs;
TrackList *const tracks = pProject->GetTracks();
TrackListIterator iter(tracks);
Track *n = iter.First();
while (n) {
if (n->GetKind() == Track::Label) {
LabelTrack *const lt = static_cast<LabelTrack*>(n);
pairs.push_back( std::make_pair(
Track::Pointer<LabelTrack>( lt ),
lt->SaveFlags() )
);
}
n = iter.Next();
}
}
void LabelDialog::FindAllLabels()
{
TrackListIterator iter(mTracks);
Track *t;
// Add labels from all label tracks
for (t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Label)
AddLabels(static_cast<LabelTrack *>(t));
}
FindInitialRow();
if (mData.size() == 0) {
wxCommandEvent e;
OnInsert(e);
}
}
void LabelDialog::FindAllLabels()
{
TrackListIterator iter(mTracks);
Track *t;
mInitialRow = -1;
// Add labels from all label tracks
for (t = iter.First(); t; t = iter.Next()) {
if (t->GetKind() == Track::Label) {
AddLabels((LabelTrack *) t);
}
}
if (mData.GetCount() == 0) {
wxCommandEvent e;
OnInsert(e);
}
}
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));
}
}
}
// Given a project, returns a single array of all SeqBlocks
// in the current set of tracks. Enumerating that array allows
// you to process all block files in the current set.
void GetAllSeqBlocks(AudacityProject *project,
BlockArray *outBlocks)
{
TrackList *tracks = project->GetTracks();
TrackListIterator iter(tracks);
Track *t = iter.First();
while (t) {
if (t->GetKind() == Track::Wave) {
WaveTrack *waveTrack = (WaveTrack *)t;
WaveClipList::compatibility_iterator node = waveTrack->GetClipIterator();
while(node) {
WaveClip *clip = node->GetData();
Sequence *sequence = clip->GetSequence();
BlockArray *blocks = sequence->GetBlockArray();
int i;
for (i = 0; i < (int)blocks->GetCount(); i++)
outBlocks->Add(blocks->Item(i));
node = node->GetNext();
}
}
t = iter.Next();
}
}
bool EffectAutoDuck::Process()
{
sampleCount i;
if (GetNumWaveTracks() == 0 || !mControlTrack)
return false;
bool cancel = false;
sampleCount start =
mControlTrack->TimeToLongSamples(mT0 + mOuterFadeDownLen);
sampleCount end =
mControlTrack->TimeToLongSamples(mT1 - mOuterFadeUpLen);
if (end <= start)
return false;
// the minimum number of samples we have to wait until the maximum
// pause has been exceeded
double maxPause = mMaximumPause;
// We don't fade in until we have time enough to actually fade out again
if (maxPause < mOuterFadeDownLen + mOuterFadeUpLen)
maxPause = mOuterFadeDownLen + mOuterFadeUpLen;
sampleCount minSamplesPause =
mControlTrack->TimeToLongSamples(maxPause);
double threshold = DB_TO_LINEAR(mThresholdDb);
// adjust the threshold so we can compare it to the rmsSum value
threshold = threshold * threshold * kRMSWindowSize;
int rmsPos = 0;
float rmsSum = 0;
float *rmsWindow = new float[kRMSWindowSize];
for (i = 0; i < kRMSWindowSize; i++)
rmsWindow[i] = 0;
float *buf = new float[kBufSize];
bool inDuckRegion = false;
// initialize the following two variables to prevent compiler warning
double duckRegionStart = 0;
sampleCount curSamplesPause = 0;
// to make the progress bar appear more natural, we first look for all
// duck regions and apply them all at once afterwards
AutoDuckRegionArray regions;
sampleCount pos = start;
while (pos < end)
{
sampleCount len = end - pos;
if (len > kBufSize)
len = kBufSize;
mControlTrack->Get((samplePtr)buf, floatSample, pos, (sampleCount)len);
for (i = pos; i < pos + len; i++)
{
rmsSum -= rmsWindow[rmsPos];
rmsWindow[rmsPos] = buf[i - pos] * buf[i - pos];
rmsSum += rmsWindow[rmsPos];
rmsPos = (rmsPos + 1) % kRMSWindowSize;
bool thresholdExceeded = rmsSum > threshold;
if (thresholdExceeded)
{
// everytime the threshold is exceeded, reset our count for
// the number of pause samples
curSamplesPause = 0;
if (!inDuckRegion)
{
// the threshold has been exceeded for the first time, so
// let the duck region begin here
inDuckRegion = true;
duckRegionStart = mControlTrack->LongSamplesToTime(i);
}
}
if (!thresholdExceeded && inDuckRegion)
{
// the threshold has not been exceeded and we are in a duck
// region, but only fade in if the maximum pause has been
// exceeded
curSamplesPause += 1;
if (curSamplesPause >= minSamplesPause)
{
// do the actual duck fade and reset all values
double duckRegionEnd =
mControlTrack->LongSamplesToTime(i - curSamplesPause);
regions.Add(AutoDuckRegion(
duckRegionStart - mOuterFadeDownLen,
duckRegionEnd + mOuterFadeUpLen));
inDuckRegion = false;
}
}
}
pos += len;
if (TotalProgress( ((double)(pos-start)) / (end-start) /
(GetNumWaveTracks() + 1) ))
{
cancel = true;
break;
}
}
// apply last duck fade, if any
if (inDuckRegion)
{
double duckRegionEnd =
mControlTrack->LongSamplesToTime(end - curSamplesPause);
regions.Add(AutoDuckRegion(
duckRegionStart - mOuterFadeDownLen,
duckRegionEnd + mOuterFadeUpLen));
}
delete[] buf;
delete[] rmsWindow;
if (!cancel)
{
CopyInputTracks(); // Set up mOutputTracks.
SelectedTrackListOfKindIterator iter(Track::Wave, mOutputTracks);
Track *iterTrack = iter.First();
int trackNumber = 0;
while (iterTrack)
{
wxASSERT(iterTrack->GetKind() == Track::Wave);
WaveTrack* t = (WaveTrack*)iterTrack;
for (i = 0; i < (int)regions.GetCount(); i++)
{
const AutoDuckRegion& region = regions[i];
if (ApplyDuckFade(trackNumber, t, region.t0, region.t1))
{
cancel = true;
break;
}
}
if (cancel)
break;
iterTrack = iter.Next();
trackNumber++;
}
}
ReplaceProcessedTracks(!cancel);
return !cancel;
}
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 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;
}
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;
}
//------------------------- 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;
}
// 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
}
