QScriptValue ProgressDialog::constructor(QScriptContext *context, QScriptEngine *engine)
{
ProgressDialog *progressDialog = new ProgressDialog;
progressDialog->setupConstructorParameters(context, engine, context->argument(0));
QScriptValueIterator it(context->argument(0));
while(it.hasNext())
{
it.next();
if(it.name() == "value")
progressDialog->mProgressDialog->setValue(it.value().toInt32());
else if(it.name() == "labelText")
progressDialog->mProgressDialog->setLabelText(it.value().toString());
else if(it.name() == "minimum")
progressDialog->mProgressDialog->setMinimum(it.value().toInt32());
else if(it.name() == "maximum")
progressDialog->mProgressDialog->setMaximum(it.value().toInt32());
else if(it.name() == "range")
{
progressDialog->mProgressDialog->setMinimum(it.value().property("minimum").toInt32());
progressDialog->mProgressDialog->setMaximum(it.value().property("maximum").toInt32());
}
else if(it.name() == "onCanceled")
progressDialog->mOnCanceled = it.value();
}
return CodeClass::constructor(progressDialog, context, engine);
}
void VersionSelectDialog::loadList()
{
ProgressDialog *taskDlg = new ProgressDialog(this);
Task *loadTask = m_vlist->getLoadTask();
loadTask->setParent(taskDlg);
taskDlg->exec(loadTask);
}
void CMainFrame::OnFileDefrag()
{
CzpEditorDoc* document = (CzpEditorDoc*)GetActiveDocument();
ZpExplorer& explorer = document->GetZpExplorer();
if (!explorer.isOpen())
{
return;
}
//zp::u64 fragSize = explorer.getPack()->countFragmentSize();
//if (fragSize == 0)
//{
// ::MessageBox(NULL, _T("No fragment found in package."), _T("Note"), MB_OK | MB_ICONINFORMATION);
// return;
//}
//StringStream tip;
//tip << _T("You can save ") << fragSize << _T(" bytes, continue?");
if (::MessageBox(NULL, _T("It will take minutes for large package, continue?"), _T("Note"), MB_YESNO | MB_ICONQUESTION) != IDYES)
{
return;
}
ProgressDialog progressDlg;
progressDlg.m_explorer = &(document->GetZpExplorer());
progressDlg.m_running = true;
progressDlg.m_params = NULL;
progressDlg.m_operation = ProgressDialog::OP_DEFRAG;
progressDlg.m_totalFileSize = explorer.countNodeFileSize(explorer.rootNode());
progressDlg.DoModal();
}
void MainWindow::on_pushButton_clicked()
{
ProgressDialog* progressDialog = new ProgressDialog(nullptr, new DriveTransfer(nullptr, ".", "./Test"));
progressDialog->show();
//Console* console = new Console(this);
//console->show();
}
BOOL CALLBACK ProgressDialog::dlgProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_INITDIALOG:
{
::SetWindowLongPtr(hWnd, GWL_USERDATA, lParam);
ProgressDialog* dlg = reinterpret_cast<ProgressDialog*>(lParam);
return dlg->runDlgProc(hWnd, message, wParam, lParam);
}
case WM_COMMAND:
{
if (IDCANCEL == wParam) {
int mbResult = MessageBox(hWnd, _T("Are you sure you wish to abort the current installation/removal?"), _T("Cancel installation / removal?"), MB_YESNO | MB_ICONQUESTION);
if (IDYES == mbResult) {
ProgressDialog* dlg = reinterpret_cast<ProgressDialog*>(::GetWindowLongPtr(hWnd, GWL_USERDATA));
dlg->_cancelToken.triggerCancel();
}
}
return FALSE;
}
default:
{
ProgressDialog* dlg = reinterpret_cast<ProgressDialog*>(::GetWindowLongPtr(hWnd, GWL_USERDATA));
return dlg->runDlgProc(hWnd, message, wParam, lParam);
}
}
}
void CzpEditorView::startOperation(ProgressDialog::Operation op, zp::u64 totalFileSize,
const std::vector<std::pair<zp::String, zp::String>>* params)
{
ProgressDialog progressDlg;
progressDlg.m_explorer = &(GetDocument()->GetZpExplorer());
progressDlg.m_running = true;
progressDlg.m_params = params;
progressDlg.m_operation = op;
progressDlg.m_totalFileSize = totalFileSize;
progressDlg.DoModal();
}
void LocalView::slot_local_new_download_requested(const TaskPackage &local_pkg, const TaskPackage &remote_pkg)
{
ProgressDialog *pdlg = new ProgressDialog(0);
// src is remote file , dest if localfile
pdlg->set_transfer_info(remote_pkg, local_pkg);
QObject::connect(pdlg, SIGNAL(transfer_finished(int, QString)),
this, SLOT(slot_transfer_finished(int, QString)));
this->main_mdi_area->addSubWindow(pdlg);
pdlg->show();
this->own_progress_dialog = pdlg;
}
// ----------------------------------------------------------------------------
// dialogProc
// ----------------------------------------------------------------------------
// the message procedure for the cgp dialog procedure, a dummy procedure
INT_PTR CALLBACK ProgressDialog::progDialogProc(HWND hWndDlg, UINT msg,
WPARAM wParam, LPARAM lParam) {
//this->hWnd = hWnd;
if (msg == WM_INITDIALOG) {
ProgressDialog* progD = reinterpret_cast<ProgressDialog*>(lParam);
SetWindowLong(hWndDlg, GWL_USERDATA, reinterpret_cast<long>(progD));
}
// get the WWindow structure and pass the data to that
ProgressDialog* progD = (ProgressDialog *) GetWindowLong(hWndDlg, GWL_USERDATA);
if (progD)
return progD->realProgDialogProc(hWndDlg, msg, wParam, lParam);
} // --- dialogProc -----------------------------------------------------------
BOOL CALLBACK ProgressDialog::dlgProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_INITDIALOG:
{
::SetWindowLongPtr(hWnd, GWLP_USERDATA, lParam);
ProgressDialog* dlg = reinterpret_cast<ProgressDialog*>(lParam);
return dlg->runDlgProc(hWnd, message, wParam, lParam);
}
default:
{
ProgressDialog* dlg = reinterpret_cast<ProgressDialog*>(static_cast<LONG_PTR>(::GetWindowLongPtr(hWnd, GWLP_USERDATA)));
return dlg->runDlgProc(hWnd, message, wParam, lParam);
}
}
}
void LocalView::slot_transfer_finished(int status, QString errorString)
{
qDebug() <<__FUNCTION__<<": "<<__LINE__<<":"<< __FILE__<<status;
// SFTPView *remote_view = this;
ProgressDialog *pdlg = (ProgressDialog*)sender();
this->main_mdi_area->removeSubWindow(pdlg->parentWidget());
delete pdlg;
this->own_progress_dialog = NULL;
if (status == 0 // || status == 3
) {
//TODO 通知UI更新目录结构,在某些情况下会导致左侧树目录变空。
//int transfer_type = pdlg->get_transfer_type();
//if ( transfer_type == TransferThread::TRANSFER_GET )
{
// this->local_view->update_layout();
// local 不需要吧，这个能自动更新的？？？
this->update_layout();
}
//else if ( transfer_type == TransferThread::TRANSFER_PUT )
{
// remote_view->update_layout();
}
//else
{
// xxxxx: 没有预期到的错误
//assert ( 1== 2 );
}
} else if (status == 52 // Transportor::ERROR_CANCEL
) {
// user cancel, show nothing
} else if (status != 0 // && status != 3
) {
QString errmsg = QString(errorString + " Code: %1").arg(status);
if (errmsg.length() < 50) errmsg = errmsg.leftJustified(50);
QMessageBox::critical(this, QString(tr("Error: ")), errmsg);
} else {
Q_ASSERT(1 == 2);
}
// remote_view->slot_leave_remote_dir_retrive_loop();
}
void HttpWindow::startRequest(const QUrl &requestedUrl)
{
url = requestedUrl;
httpRequestAborted = false;
reply = qnam.get(QNetworkRequest(url));
connect(reply, &QNetworkReply::finished, this, &HttpWindow::httpFinished);
connect(reply, &QIODevice::readyRead, this, &HttpWindow::httpReadyRead);
ProgressDialog *progressDialog = new ProgressDialog(url, this);
progressDialog->setAttribute(Qt::WA_DeleteOnClose);
connect(progressDialog, &QProgressDialog::canceled, this, &HttpWindow::cancelDownload);
connect(reply, &QNetworkReply::downloadProgress, progressDialog, &ProgressDialog::networkReplyProgress);
connect(reply, &QNetworkReply::finished, progressDialog, &ProgressDialog::hide);
progressDialog->show();
statusLabel->setText(tr("Downloading %1...").arg(url.toString()));
songBeingDownloaded = true;//
}
void ImageTags::applyUserAction(QList<QTreeWidgetItem *> tagsList)
{
int processEventsCounter = 0;
ProgressDialog *dialog = new ProgressDialog(this);
dialog->show();
QStringList currentSelectedImages = thumbView->getSelectedThumbsList();
for (int i = 0; i < currentSelectedImages.size(); ++i) {
QString imageName = currentSelectedImages[i];
for (int i = tagsList.size() - 1; i > -1; --i) {
Qt::CheckState tagState = tagsList.at(i)->checkState(0);
setTagIcon(tagsList.at(i), (tagState == Qt::Checked? TagIconEnabled : TagIconDisabled));
QString tagName = tagsList.at(i)->text(0);
if (tagState == Qt::Checked) {
dialog->opLabel->setText(tr("Tagging ") + imageName);
mdCache->addTagToImage(imageName, tagName);
} else {
dialog->opLabel->setText(tr("Untagging ") + imageName);
mdCache->removeTagFromImage(imageName, tagName);
}
}
if (!writeTagsToImage(imageName, mdCache->getImageTags(imageName))) {
mdCache->removeImage(imageName);
}
++processEventsCounter;
if (processEventsCounter > 9) {
processEventsCounter = 0;
QApplication::processEvents();
}
if (dialog->abortOp) {
break;
}
}
dialog->close();
delete(dialog);
}
void ResourceManagementUtil::editResource( const std::string& path, const QIcon& resourceIcon )
{
ProgressDialog progressDlg;
progressDlg.initialize( "Loading a resource", 1 );
ResourcesManager& resMgr = ResourcesManager::getInstance();
Resource* resource = resMgr.create( path );
progressDlg.advance();
if ( resource )
{
TamyEditor& tamyEd = TamyEditor::getInstance();
if ( tamyEd.activateResourceEditor( resource ) == false )
{
ResourceEditor* resourceEd = tamyEd.createResourceEditor( resource, resourceIcon );
tamyEd.addResourceEditor( resourceEd );
}
}
}
bool ZpCallback(const zp::Char* path, zp::u32 fileSize, void* param)
{
ProgressDialog* dlg = (ProgressDialog*)param;
if (dlg == NULL)
{
return true;
}
if (dlg->m_running)
{
if (dlg->m_totalFileSize != 0)
{
dlg->setProgress(path, (float)dlg->m_doneFileSize / dlg->m_totalFileSize);
}
else
{
dlg->setProgress(path, 1.0f);
}
}
dlg->m_doneFileSize += fileSize;
return dlg->m_running;
}
void FreqWindow::Recalc()
{
wxLogMessage(wxT("Starting FreqWindow::Recalc()"));
if (mProcessed)
delete[] mProcessed;
mProcessed = NULL;
if (!mData) {
mFreqPlot->Refresh(true);
return;
}
int alg = mAlgChoice->GetSelection();
int windowFunc = mFuncChoice->GetSelection();
long windowSize = 0;
(mSizeChoice->GetStringSelection()).ToLong(&windowSize);
int f = NumWindowFuncs();
if (!(windowSize >= 32 && windowSize <= 65536 &&
alg >= 0 && alg <= 4 && windowFunc >= 0 && windowFunc < f)) {
mFreqPlot->Refresh(true);
return;
}
mWindowSize = windowSize;
if (mDataLen < mWindowSize) {
mFreqPlot->Refresh(true);
return;
}
mProcessed = new float[mWindowSize];
int i;
for (i = 0; i < mWindowSize; i++)
mProcessed[i] = float(0.0);
int half = mWindowSize / 2;
float *in = new float[mWindowSize];
float *in2 = new float[mWindowSize];
float *out = new float[mWindowSize];
float *out2 = new float[mWindowSize];
float *win = new float[mWindowSize];
// initialize the window
for(int i=0; i<mWindowSize; i++)
win[i] = 1.0;
WindowFunc(windowFunc, mWindowSize, win);
// Scale window such that an amplitude of 1.0 in the time domain
// shows an amplitude of 0dB in the frequency domain
double wss = 0;
for(int i=0; i<mWindowSize; i++)
wss += win[i];
if(wss > 0)
wss = 4.0 / (wss*wss);
else
wss = 1.0;
//Progress dialog over FFT operation
wxLogMessage(wxT("Starting progress dialogue in FreqWindow::Recalc()"));
ProgressDialog *mProgress = new ProgressDialog(_("FreqWindow"),_("Drawing Spectrum"));
int start = 0;
int windows = 0;
while (start + mWindowSize <= mDataLen) {
for (i = 0; i < mWindowSize; i++)
in[i] = win[i] * mData[start + i];
switch (alg) {
case 0: // Spectrum
PowerSpectrum(mWindowSize, in, out);
for (i = 0; i < half; i++)
mProcessed[i] += out[i];
break;
case 1:
case 2:
case 3: // Autocorrelation, Cuberoot AC or Enhanced AC
// Take FFT
#ifdef EXPERIMENTAL_USE_REALFFTF
RealFFT(mWindowSize, in, out, out2);
#else
FFT(mWindowSize, false, in, NULL, out, out2);
#endif
// Compute power
for (i = 0; i < mWindowSize; i++)
in[i] = (out[i] * out[i]) + (out2[i] * out2[i]);
if (alg == 1) {
for (i = 0; i < mWindowSize; i++)
in[i] = sqrt(in[i]);
}
if (alg == 2 || alg == 3) {
// Tolonen and Karjalainen recommend taking the cube root
// of the power, instead of the square root
for (i = 0; i < mWindowSize; i++)
in[i] = pow(in[i], 1.0f / 3.0f);
}
// Take FFT
#ifdef EXPERIMENTAL_USE_REALFFTF
RealFFT(mWindowSize, in, out, out2);
#else
FFT(mWindowSize, false, in, NULL, out, out2);
#endif
// Take real part of result
for (i = 0; i < half; i++)
mProcessed[i] += out[i];
break;
case 4: // Cepstrum
#ifdef EXPERIMENTAL_USE_REALFFTF
RealFFT(mWindowSize, in, out, out2);
#else
FFT(mWindowSize, false, in, NULL, out, out2);
#endif
// Compute log power
// Set a sane lower limit assuming maximum time amplitude of 1.0
float power;
float minpower = 1e-20*mWindowSize*mWindowSize;
for (i = 0; i < mWindowSize; i++)
{
power = (out[i] * out[i]) + (out2[i] * out2[i]);
if(power < minpower)
in[i] = log(minpower);
else
in[i] = log(power);
}
// Take IFFT
#ifdef EXPERIMENTAL_USE_REALFFTF
InverseRealFFT(mWindowSize, in, NULL, out);
#else
FFT(mWindowSize, true, in, NULL, out, out2);
#endif
// Take real part of result
for (i = 0; i < half; i++)
mProcessed[i] += out[i];
break;
} //switch
start += half;
windows++;
// only update the progress dialogue infrequently to reduce it's overhead
// If we do it every time, it spends as much time updating X11 as doing
// the calculations. 10 seems a reasonable compromise on Linux that
// doesn't make it unresponsive, but avoids the slowdown.
if ((windows % 10) == 0)
mProgress->Update(1 - static_cast<float>(mDataLen - start) / mDataLen);
}
wxLogMessage(wxT("Finished updating progress dialogue in FreqWindow::Recalc()"));
switch (alg) {
double scale;
case 0: // Spectrum
// Convert to decibels
mYMin = 1000000.;
mYMax = -1000000.;
scale = wss / (double)windows;
for (i = 0; i < half; i++)
{
mProcessed[i] = 10 * log10(mProcessed[i] * scale);
if(mProcessed[i] > mYMax)
mYMax = mProcessed[i];
else if(mProcessed[i] < mYMin)
mYMin = mProcessed[i];
}
if(mYMin < -dBRange)
mYMin = -dBRange;
if(mYMax <= -dBRange)
mYMax = -dBRange + 10.; // it's all out of range, but show a scale.
else
mYMax += .5;
mProcessedSize = half;
mYStep = 10;
break;
case 1: // Standard Autocorrelation
case 2: // Cuberoot Autocorrelation
for (i = 0; i < half; i++)
mProcessed[i] = mProcessed[i] / windows;
// Find min/max
mYMin = mProcessed[0];
mYMax = mProcessed[0];
for (i = 1; i < half; i++)
if (mProcessed[i] > mYMax)
mYMax = mProcessed[i];
else if (mProcessed[i] < mYMin)
mYMin = mProcessed[i];
mYStep = 1;
mProcessedSize = half;
break;
case 3: // Enhanced Autocorrelation
for (i = 0; i < half; i++)
mProcessed[i] = mProcessed[i] / windows;
// Peak Pruning as described by Tolonen and Karjalainen, 2000
// Clip at zero, copy to temp array
for (i = 0; i < half; i++) {
if (mProcessed[i] < 0.0)
mProcessed[i] = float(0.0);
out[i] = mProcessed[i];
}
// Subtract a time-doubled signal (linearly interp.) from the original
// (clipped) signal
for (i = 0; i < half; i++)
if ((i % 2) == 0)
mProcessed[i] -= out[i / 2];
else
mProcessed[i] -= ((out[i / 2] + out[i / 2 + 1]) / 2);
// Clip at zero again
for (i = 0; i < half; i++)
if (mProcessed[i] < 0.0)
mProcessed[i] = float(0.0);
// Find new min/max
mYMin = mProcessed[0];
mYMax = mProcessed[0];
for (i = 1; i < half; i++)
if (mProcessed[i] > mYMax)
mYMax = mProcessed[i];
else if (mProcessed[i] < mYMin)
mYMin = mProcessed[i];
mYStep = 1;
mProcessedSize = half;
break;
case 4: // Cepstrum
for (i = 0; i < half; i++)
mProcessed[i] = mProcessed[i] / windows;
// Find min/max, ignoring first and last few values
int ignore = 4;
mYMin = mProcessed[ignore];
mYMax = mProcessed[ignore];
for (i = ignore + 1; i < half - ignore; i++)
if (mProcessed[i] > mYMax)
mYMax = mProcessed[i];
else if (mProcessed[i] < mYMin)
mYMin = mProcessed[i];
mYStep = 1;
mProcessedSize = half;
break;
}
delete[]in;
delete[]in2;
delete[]out;
delete[]out2;
delete[]win;
wxLogMessage(wxT("About to draw plot in FreqWindow::Recalc()"));
DrawPlot();
mFreqPlot->Refresh(true);
delete mProgress;
}
int ExportOGG::Export(AudacityProject *project,
int numChannels,
wxString fName,
bool selectionOnly,
double t0,
double t1,
MixerSpec *mixerSpec,
Tags *metadata,
int WXUNUSED(subformat))
{
double rate = project->GetRate();
TrackList *tracks = project->GetTracks();
double quality = (gPrefs->Read(wxT("/FileFormats/OggExportQuality"), 50)/(float)100.0);
wxLogNull logNo; // temporarily disable wxWidgets error messages
int updateResult = eProgressSuccess;
int eos = 0;
FileIO outFile(fName, FileIO::Output);
if (!outFile.IsOpened()) {
wxMessageBox(_("Unable to open target file for writing"));
return false;
}
// All the Ogg and Vorbis encoding data
ogg_stream_state stream;
ogg_page page;
ogg_packet packet;
vorbis_info info;
vorbis_comment comment;
vorbis_dsp_state dsp;
vorbis_block block;
// Encoding setup
vorbis_info_init(&info);
vorbis_encode_init_vbr(&info, numChannels, int(rate + 0.5), quality);
// Retrieve tags
if (!FillComment(project, &comment, metadata)) {
return false;
}
// Set up analysis state and auxiliary encoding storage
vorbis_analysis_init(&dsp, &info);
vorbis_block_init(&dsp, &block);
// Set up packet->stream encoder. According to encoder example,
// a random serial number makes it more likely that you can make
// chained streams with concatenation.
srand(time(NULL));
ogg_stream_init(&stream, rand());
// First we need to write the required headers:
// 1. The Ogg bitstream header, which contains codec setup params
// 2. The Vorbis comment header
// 3. The bitstream codebook.
//
// After we create those our responsibility is complete, libvorbis will
// take care of any other ogg bistream constraints (again, according
// to the example encoder source)
ogg_packet bitstream_header;
ogg_packet comment_header;
ogg_packet codebook_header;
vorbis_analysis_headerout(&dsp, &comment, &bitstream_header, &comment_header,
&codebook_header);
// Place these headers into the stream
ogg_stream_packetin(&stream, &bitstream_header);
ogg_stream_packetin(&stream, &comment_header);
ogg_stream_packetin(&stream, &codebook_header);
// Flushing these headers now guarentees that audio data will
// start on a NEW page, which apparently makes streaming easier
while (ogg_stream_flush(&stream, &page)) {
outFile.Write(page.header, page.header_len);
outFile.Write(page.body, page.body_len);
}
int numWaveTracks;
WaveTrack **waveTracks;
tracks->GetWaveTracks(selectionOnly, &numWaveTracks, &waveTracks);
Mixer *mixer = CreateMixer(numWaveTracks, waveTracks,
tracks->GetTimeTrack(),
t0, t1,
numChannels, SAMPLES_PER_RUN, false,
rate, floatSample, true, mixerSpec);
delete [] waveTracks;
ProgressDialog *progress = new ProgressDialog(wxFileName(fName).GetName(),
selectionOnly ?
_("Exporting the selected audio as Ogg Vorbis") :
_("Exporting the entire project as Ogg Vorbis"));
while (updateResult == eProgressSuccess && !eos) {
float **vorbis_buffer = vorbis_analysis_buffer(&dsp, SAMPLES_PER_RUN);
sampleCount samplesThisRun = mixer->Process(SAMPLES_PER_RUN);
if (samplesThisRun == 0) {
// Tell the library that we wrote 0 bytes - signalling the end.
vorbis_analysis_wrote(&dsp, 0);
}
else {
for (int i = 0; i < numChannels; i++) {
float *temp = (float *)mixer->GetBuffer(i);
memcpy(vorbis_buffer[i], temp, sizeof(float)*SAMPLES_PER_RUN);
}
// tell the encoder how many samples we have
vorbis_analysis_wrote(&dsp, samplesThisRun);
}
// I don't understand what this call does, so here is the comment
// from the example, verbatim:
//
// vorbis does some data preanalysis, then divvies up blocks
// for more involved (potentially parallel) processing. Get
// a single block for encoding now
while (vorbis_analysis_blockout(&dsp, &block) == 1) {
// analysis, assume we want to use bitrate management
vorbis_analysis(&block, NULL);
vorbis_bitrate_addblock(&block);
while (vorbis_bitrate_flushpacket(&dsp, &packet)) {
// add the packet to the bitstream
ogg_stream_packetin(&stream, &packet);
// From vorbis-tools-1.0/oggenc/encode.c:
// If we've gone over a page boundary, we can do actual output,
// so do so (for however many pages are available).
while (!eos) {
int result = ogg_stream_pageout(&stream, &page);
if (!result) {
break;
}
outFile.Write(page.header, page.header_len);
outFile.Write(page.body, page.body_len);
if (ogg_page_eos(&page)) {
eos = 1;
}
}
}
}
updateResult = progress->Update(mixer->MixGetCurrentTime()-t0, t1-t0);
}
delete progress;;
delete mixer;
ogg_stream_clear(&stream);
vorbis_block_clear(&block);
vorbis_dsp_clear(&dsp);
vorbis_info_clear(&info);
vorbis_comment_clear(&comment);
outFile.Close();
return updateResult;
}
int ExportFFmpeg::Export(AudacityProject *project,
int channels, wxString fName,
bool selectionOnly, double t0, double t1, MixerSpec *mixerSpec, Tags *metadata, int subformat)
{
if (!CheckFFmpegPresence())
return false;
mChannels = channels;
// subformat index may not correspond directly to fmts[] index, convert it
mSubFormat = AdjustFormatIndex(subformat);
if (channels > ExportFFmpegOptions::fmts[mSubFormat].maxchannels)
{
wxMessageBox(
wxString::Format(
_("Attempted to export %d channels, but maximum number of channels for selected output format is %d"),
channels,
ExportFFmpegOptions::fmts[mSubFormat].maxchannels),
_("Error"));
return false;
}
mName = fName;
TrackList *tracks = project->GetTracks();
bool ret = true;
if (mSubFormat >= FMT_LAST) return false;
wxString shortname(ExportFFmpegOptions::fmts[mSubFormat].shortname);
if (mSubFormat == FMT_OTHER)
shortname = gPrefs->Read(wxT("/FileFormats/FFmpegFormat"),wxT("matroska"));
ret = Init(shortname.mb_str(),project, metadata, subformat);
if (!ret) return false;
int pcmBufferSize = 1024;
int numWaveTracks;
WaveTrack **waveTracks;
tracks->GetWaveTracks(selectionOnly, &numWaveTracks, &waveTracks);
Mixer *mixer = CreateMixer(numWaveTracks, waveTracks,
tracks->GetTimeTrack(),
t0, t1,
channels, pcmBufferSize, true,
mSampleRate, int16Sample, true, mixerSpec);
delete [] waveTracks;
ProgressDialog *progress = new ProgressDialog(wxFileName(fName).GetName(),
selectionOnly ?
wxString::Format(_("Exporting selected audio as %s"), ExportFFmpegOptions::fmts[mSubFormat].description) :
wxString::Format(_("Exporting entire file as %s"), ExportFFmpegOptions::fmts[mSubFormat].description));
int updateResult = eProgressSuccess;
while(updateResult == eProgressSuccess) {
sampleCount pcmNumSamples = mixer->Process(pcmBufferSize);
if (pcmNumSamples == 0)
break;
short *pcmBuffer = (short *)mixer->GetBuffer();
EncodeAudioFrame(pcmBuffer,(pcmNumSamples)*sizeof(int16_t)*mChannels);
updateResult = progress->Update(mixer->MixGetCurrentTime()-t0, t1-t0);
}
delete progress;
delete mixer;
Finalize();
return updateResult;
}
/* static */
void VSTEffect::Scan()
{
wxArrayString audacityPathList = wxGetApp().audacityPathList;
wxArrayString pathList;
wxArrayString files;
// Check for the VST_PATH environment variable
wxString vstpath = wxGetenv(wxT("VST_PATH"));
if (!vstpath.IsEmpty()) {
wxGetApp().AddUniquePathToPathList(vstpath, pathList);
}
// Add Audacity specific paths
for (size_t i = 0; i < audacityPathList.GetCount(); i++) {
wxString prefix = audacityPathList[i] + wxFILE_SEP_PATH;
wxGetApp().AddUniquePathToPathList(prefix + VSTPLUGINTYPE,
pathList);
wxGetApp().AddUniquePathToPathList(prefix + wxT("plugins"),
pathList);
wxGetApp().AddUniquePathToPathList(prefix + wxT("plug-ins"),
pathList);
}
#if defined(__WXMAC__)
#define VSTPATH wxT("/Library/Audio/Plug-Ins/VST")
// Look in /Library/Audio/Plug-Ins/VST and $HOME/Library/Audio/Plug-Ins/VST
wxGetApp().AddUniquePathToPathList(VSTPATH, pathList);
wxGetApp().AddUniquePathToPathList(wxString(wxGetenv(wxT("HOME"))) + VSTPATH,
pathList);
// Recursively search all paths for Info.plist files. This will identify all
// bundles.
wxGetApp().FindFilesInPathList(wxT("Info.plist"), pathList, files, wxDIR_DEFAULT);
// Remove the 'Contents/Info.plist' portion of the names
for (size_t i = 0, cnt = files.GetCount(); i < cnt; i++) {
files[i] = wxPathOnly(wxPathOnly(files[i]));
}
#elif defined(__WXMSW__)
TCHAR dpath[MAX_PATH];
TCHAR tpath[MAX_PATH];
DWORD len = WXSIZEOF(tpath);
// Setup the default VST path.
dpath[0] = '\0';
ExpandEnvironmentStrings(wxT("%ProgramFiles%\\Steinberg\\VSTPlugins"),
dpath,
WXSIZEOF(dpath));
// Check registry for the real path
if (SHRegGetUSValue(wxT("Software\\VST"),
wxT("VSTPluginsPath"),
NULL,
tpath,
&len,
FALSE,
dpath,
(DWORD) _tcslen(dpath)) == ERROR_SUCCESS) {
tpath[len] = 0;
ExpandEnvironmentStrings(tpath, dpath, WXSIZEOF(dpath));
wxGetApp().AddUniquePathToPathList(LAT1CTOWX(dpath), pathList);
}
// Recursively scan for all DLLs
wxGetApp().FindFilesInPathList(wxT("*.dll"), pathList, files, wxDIR_DEFAULT);
#else
// Recursively scan for all shared objects
wxGetApp().FindFilesInPathList(wxT("*.so"), pathList, files);
#endif
// This is a hack to allow for long paths in the progress dialog. The
// progress dialog should really truncate the message if it's too wide
// for the dialog.
size_t cnt = files.GetCount();
wxString longest;
// JKC: Let's not show the progress dialog if there are no
// files to test.
if( cnt <= 0 )
return;
for (size_t i = 0; i < cnt; i++) {
if (files[i].Length() > longest.Length()) {
longest = files[i];
}
}
ProgressDialog *progress = new ProgressDialog(_("Scanning VST Plugins"),
longest,
pdlgHideStopButton);
// progress->SetSize(wxSize(500, -1));
progress->CenterOnScreen();
const wxChar * argv[4];
argv[0] = PlatformCompatibility::GetExecutablePath().c_str();
argv[1] = VSTCMDKEY;
argv[2] = NULL;
argv[3] = NULL;
for (size_t i = 0; i < cnt; i++) {
wxString file = files[i];
int status = progress->Update(wxLongLong(i),
wxLongLong(cnt),
wxString::Format(_("Checking %s"), file.c_str()));
if (status != eProgressSuccess) {
break;
}
argv[2] = file.c_str();
// ToDo: do we need a try--catch around this in case a bad plug-in
// fails? (JKC Nov09)
wxExecute((wxChar **) argv, wxEXEC_SYNC | wxEXEC_NODISABLE, NULL);
}
delete progress;
}
int ExportFLAC::Export(AudacityProject *project,
int numChannels,
wxString fName,
bool selectionOnly,
double t0,
double t1,
MixerSpec *mixerSpec,
Tags *metadata,
int WXUNUSED(subformat))
{
double rate = project->GetRate();
TrackList *tracks = project->GetTracks();
wxLogNull logNo; // temporarily disable wxWidgets error messages
int updateResult = eProgressSuccess;
int levelPref;
gPrefs->Read(wxT("/FileFormats/FLACLevel"), &levelPref, 5);
wxString bitDepthPref =
gPrefs->Read(wxT("/FileFormats/FLACBitDepth"), wxT("16"));
FLAC::Encoder::File encoder;
#ifdef LEGACY_FLAC
encoder.set_filename(OSOUTPUT(fName));
#endif
encoder.set_channels(numChannels);
encoder.set_sample_rate(lrint(rate));
// See note in GetMetadata() about a bug in libflac++ 1.1.2
if (!GetMetadata(project, metadata)) {
return false;
}
if (mMetadata) {
encoder.set_metadata(&mMetadata, 1);
}
sampleFormat format;
if (bitDepthPref == wxT("24")) {
format = int24Sample;
encoder.set_bits_per_sample(24);
} else { //convert float to 16 bits
format = int16Sample;
encoder.set_bits_per_sample(16);
}
// Duplicate the flac command line compression levels
if (levelPref < 0 || levelPref > 8) {
levelPref = 5;
}
encoder.set_do_exhaustive_model_search(flacLevels[levelPref].do_exhaustive_model_search);
encoder.set_do_escape_coding(flacLevels[levelPref].do_escape_coding);
if (numChannels != 2) {
encoder.set_do_mid_side_stereo(false);
encoder.set_loose_mid_side_stereo(false);
}
else {
encoder.set_do_mid_side_stereo(flacLevels[levelPref].do_mid_side_stereo);
encoder.set_loose_mid_side_stereo(flacLevels[levelPref].loose_mid_side_stereo);
}
encoder.set_qlp_coeff_precision(flacLevels[levelPref].qlp_coeff_precision);
encoder.set_min_residual_partition_order(flacLevels[levelPref].min_residual_partition_order);
encoder.set_max_residual_partition_order(flacLevels[levelPref].max_residual_partition_order);
encoder.set_rice_parameter_search_dist(flacLevels[levelPref].rice_parameter_search_dist);
encoder.set_max_lpc_order(flacLevels[levelPref].max_lpc_order);
#ifdef LEGACY_FLAC
encoder.init();
#else
wxFFile f; // will be closed when it goes out of scope
if (!f.Open(fName, wxT("w+b"))) {
wxMessageBox(wxString::Format(_("FLAC export couldn't open %s"), fName.c_str()));
return false;
}
// Even though there is an init() method that takes a filename, use the one that
// takes a file handle because wxWidgets can open a file with a Unicode name and
// libflac can't (under Windows).
int status = encoder.init(f.fp());
if (status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
wxMessageBox(wxString::Format(_("FLAC encoder failed to initialize\nStatus: %d"), status));
return false;
}
#endif
if (mMetadata) {
::FLAC__metadata_object_delete(mMetadata);
}
int numWaveTracks;
WaveTrack **waveTracks;
tracks->GetWaveTracks(selectionOnly, &numWaveTracks, &waveTracks);
Mixer *mixer = CreateMixer(numWaveTracks, waveTracks,
tracks->GetTimeTrack(),
t0, t1,
numChannels, SAMPLES_PER_RUN, false,
rate, format, true, mixerSpec);
delete [] waveTracks;
int i, j;
FLAC__int32 **tmpsmplbuf = new FLAC__int32*[numChannels];
for (i = 0; i < numChannels; i++) {
tmpsmplbuf[i] = (FLAC__int32 *) calloc(SAMPLES_PER_RUN, sizeof(FLAC__int32));
}
ProgressDialog *progress = new ProgressDialog(wxFileName(fName).GetName(),
selectionOnly ?
_("Exporting the selected audio as FLAC") :
_("Exporting the entire project as FLAC"));
while (updateResult == eProgressSuccess) {
sampleCount samplesThisRun = mixer->Process(SAMPLES_PER_RUN);
if (samplesThisRun == 0) { //stop encoding
break;
}
else {
for (i = 0; i < numChannels; i++) {
samplePtr mixed = mixer->GetBuffer(i);
if (format == int24Sample) {
for (j = 0; j < samplesThisRun; j++) {
tmpsmplbuf[i][j] = ((int *) mixed)[j];
}
}
else {
for (j = 0; j < samplesThisRun; j++) {
tmpsmplbuf[i][j] = ((short *) mixed)[j];
}
}
}
encoder.process(tmpsmplbuf, samplesThisRun);
}
updateResult = progress->Update(mixer->MixGetCurrentTime()-t0, t1-t0);
}
f.Detach(); // libflac closes the file
encoder.finish();
delete progress;
for (i = 0; i < numChannels; i++) {
free(tmpsmplbuf[i]);
}
delete mixer;
delete[] tmpsmplbuf;
return updateResult;
}
bool ExportFFmpeg::EncodeAudioFrame(int16_t *pFrame, int frameSize)
{
AVPacket pkt;
int nBytesToWrite = 0;
uint8_t * pRawSamples = NULL;
int nAudioFrameSizeOut = mEncAudioCodecCtx->frame_size * mEncAudioCodecCtx->channels * sizeof(int16_t);
if (mEncAudioCodecCtx->frame_size == 1) nAudioFrameSizeOut = mEncAudioEncodedBufSiz;
int ret;
nBytesToWrite = frameSize;
pRawSamples = (uint8_t*)pFrame;
#if FFMPEG_STABLE
FFmpegLibsInst->av_fifo_realloc(&mEncAudioFifo, FFmpegLibsInst->av_fifo_size(&mEncAudioFifo) + frameSize);
#else
FFmpegLibsInst->av_fifo_realloc2(mEncAudioFifo, FFmpegLibsInst->av_fifo_size(mEncAudioFifo) + frameSize);
#endif
// Put the raw audio samples into the FIFO.
#if FFMPEG_STABLE
ret = FFmpegLibsInst->av_fifo_generic_write(&mEncAudioFifo, pRawSamples, nBytesToWrite,NULL);
#else
ret = FFmpegLibsInst->av_fifo_generic_write(mEncAudioFifo, pRawSamples, nBytesToWrite,NULL);
#endif
wxASSERT(ret == nBytesToWrite);
// Read raw audio samples out of the FIFO in nAudioFrameSizeOut byte-sized groups to encode.
#if FFMPEG_STABLE
while ((ret = FFmpegLibsInst->av_fifo_size(&mEncAudioFifo)) >= nAudioFrameSizeOut)
{
ret = FFmpegLibsInst->av_fifo_read(&mEncAudioFifo, mEncAudioFifoOutBuf, nAudioFrameSizeOut);
#else
while ((ret = FFmpegLibsInst->av_fifo_size(mEncAudioFifo)) >= nAudioFrameSizeOut)
{
ret = FFmpegLibsInst->av_fifo_generic_read(mEncAudioFifo, mEncAudioFifoOutBuf, nAudioFrameSizeOut, NULL);
#endif
FFmpegLibsInst->av_init_packet(&pkt);
pkt.size = FFmpegLibsInst->avcodec_encode_audio(mEncAudioCodecCtx,
mEncAudioEncodedBuf, mEncAudioEncodedBufSiz, // out
(int16_t*)mEncAudioFifoOutBuf); // in
if (mEncAudioCodecCtx->frame_size == 1) { wxASSERT(pkt.size == mEncAudioEncodedBufSiz); }
if (pkt.size < 0)
{
wxLogMessage(wxT("FFmpeg : ERROR - Can't encode audio frame."));
return false;
}
// Rescale from the codec time_base to the AVStream time_base.
if (mEncAudioCodecCtx->coded_frame && mEncAudioCodecCtx->coded_frame->pts != int64_t(AV_NOPTS_VALUE))
pkt.pts = FFmpegLibsInst->av_rescale_q(mEncAudioCodecCtx->coded_frame->pts, mEncAudioCodecCtx->time_base, mEncAudioStream->time_base);
//wxLogMessage(wxT("FFmpeg : (%d) Writing audio frame with PTS: %lld."), mEncAudioCodecCtx->frame_number, pkt.pts);
pkt.stream_index = mEncAudioStream->index;
pkt.data = mEncAudioEncodedBuf;
pkt.flags |= PKT_FLAG_KEY;
// Write the encoded audio frame to the output file.
if ((ret = FFmpegLibsInst->av_interleaved_write_frame(mEncFormatCtx, &pkt)) != 0)
{
wxLogMessage(wxT("FFmpeg : ERROR - Failed to write audio frame to file."));
return false;
}
}
return true;
}
int ExportFFmpeg::Export(AudacityProject *project,
int channels, wxString fName,
bool selectionOnly, double t0, double t1, MixerSpec *mixerSpec, Tags *metadata, int subformat)
{
if (!CheckFFmpegPresence())
return false;
mChannels = channels;
// subformat index may not correspond directly to fmts[] index, convert it
mSubFormat = AdjustFormatIndex(subformat);
if (channels > ExportFFmpegOptions::fmts[mSubFormat].maxchannels)
{
wxLogMessage(wxT("Attempted to export %d channels, but max. channels = %d"),channels,ExportFFmpegOptions::fmts[mSubFormat].maxchannels);
wxMessageBox(wxString::Format(_("Attempted to export %d channels, but max. channels for selected output format is %d"),channels,ExportFFmpegOptions::fmts[mSubFormat].maxchannels),_("Error"));
return false;
}
mName = fName;
TrackList *tracks = project->GetTracks();
bool ret = true;
if (mSubFormat >= FMT_LAST) return false;
wxString shortname(ExportFFmpegOptions::fmts[mSubFormat].shortname);
if (mSubFormat == FMT_OTHER)
shortname = gPrefs->Read(wxT("/FileFormats/FFmpegFormat"),wxT("matroska"));
ret = Init(shortname.mb_str(),project, metadata);
if (!ret) return false;
int pcmBufferSize = 1024;
int numWaveTracks;
WaveTrack **waveTracks;
tracks->GetWaveTracks(selectionOnly, &numWaveTracks, &waveTracks);
Mixer *mixer = new Mixer(numWaveTracks, waveTracks,
tracks->GetTimeTrack(),
t0, t1,
channels, pcmBufferSize, true,
mSampleRate, int16Sample, true, mixerSpec);
delete [] waveTracks;
ProgressDialog *progress = new ProgressDialog(wxFileName(fName).GetName(),
selectionOnly ?
wxString::Format(_("Exporting selected audio as %s"), ExportFFmpegOptions::fmts[mSubFormat].description) :
wxString::Format(_("Exporting entire file as %s"), ExportFFmpegOptions::fmts[mSubFormat].description));
int updateResult = eProgressSuccess;
while(updateResult == eProgressSuccess) {
sampleCount pcmNumSamples = mixer->Process(pcmBufferSize);
if (pcmNumSamples == 0)
break;
short *pcmBuffer = (short *)mixer->GetBuffer();
EncodeAudioFrame(pcmBuffer,(pcmNumSamples)*sizeof(int16_t)*mChannels);
updateResult = progress->Update(mixer->MixGetCurrentTime()-t0, t1-t0);
}
delete progress;
delete mixer;
Finalize();
return updateResult;
}
void AddStringTagUTF8(char field[], int size, wxString value)
{
memset(field,0,size);
memcpy(field,value.ToUTF8(),(int)strlen(value.ToUTF8()) > size -1 ? size -1 : strlen(value.ToUTF8()));
}
// Given a project and a list of aliased files that should no
// longer be external dependencies (selected by the user), replace
// all of those alias block files with disk block files.
void RemoveDependencies(AudacityProject *project,
AliasedFileArray *aliasedFiles)
{
DirManager *dirManager = project->GetDirManager();
ProgressDialog *progress =
new ProgressDialog(_("Removing Dependencies"),
_("Copying audio data into project..."));
int updateResult = eProgressSuccess;
// Hash aliasedFiles based on their full paths and
// count total number of bytes to process.
AliasedFileHash aliasedFileHash;
wxLongLong totalBytesToProcess = 0;
unsigned int i;
for (i = 0; i < aliasedFiles->GetCount(); i++) {
totalBytesToProcess += aliasedFiles->Item(i).mByteCount;
wxString fileNameStr = aliasedFiles->Item(i).mFileName.GetFullPath();
aliasedFileHash[fileNameStr] = &aliasedFiles->Item(i);
}
BlockArray blocks;
GetAllSeqBlocks(project, &blocks);
const sampleFormat format = project->GetDefaultFormat();
ReplacedBlockFileHash blockFileHash;
wxLongLong completedBytes = 0;
for (i = 0; i < blocks.GetCount(); i++) {
BlockFile *f = blocks[i]->f;
if (f->IsAlias() && (blockFileHash.count(f) == 0))
{
// f is an alias block we have not yet processed.
AliasBlockFile *aliasBlockFile = (AliasBlockFile *)f;
wxFileName fileName = aliasBlockFile->GetAliasedFileName();
wxString fileNameStr = fileName.GetFullPath();
if (aliasedFileHash.count(fileNameStr) == 0)
// This aliased file was not selected to be replaced. Skip it.
continue;
// Convert it from an aliased file to an actual file in the project.
unsigned int len = aliasBlockFile->GetLength();
samplePtr buffer = NewSamples(len, format);
f->ReadData(buffer, format, 0, len);
BlockFile *newBlockFile =
dirManager->NewSimpleBlockFile(buffer, len, format);
DeleteSamples(buffer);
// Update our hash so we know what block files we've done
blockFileHash[f] = newBlockFile;
// Update the progress bar
completedBytes += SAMPLE_SIZE(format) * len;
updateResult = progress->Update(completedBytes, totalBytesToProcess);
if (updateResult != eProgressSuccess)
break;
}
}
// Above, we created a SimpleBlockFile contained in our project
// to go with each AliasBlockFile that we wanted to migrate.
// However, that didn't actually change any references to these
// blockfiles in the Sequences, so we do that next...
ReplaceBlockFiles(project, blockFileHash);
// Subtract one from reference count of new block files; they're
// now all referenced the proper number of times by the Sequences
ReplacedBlockFileHash::iterator it;
for( it = blockFileHash.begin(); it != blockFileHash.end(); ++it )
{
BlockFile *f = it->second;
dirManager->Deref(f);
}
delete progress;
}
//TODO-MB: wouldn't it make more sense to delete the time track after 'mix and render'?
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".
WaveTrack **waveArray;
Track *t;
int numWaves = 0; /* number of wave tracks in the selection */
int numMono = 0; /* number of mono, centre-panned wave tracks in selection*/
bool mono = false; /* flag if output can be mono without loosing anything*/
bool oneinput = false; /* flag set to true if there is only one input track
(mono or stereo) */
int w;
TrackListIterator iter(tracks);
SelectedTrackListOfKindIterator usefulIter(Track::Wave, tracks);
// this only iterates tracks which are relevant to this function, i.e.
// selected WaveTracks. The tracklist is (confusingly) the list of all
// tracks in the project
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;
/* the next loop will do two things at once:
* 1. build an array of all the wave tracks were are trying to process
* 2. determine when the set of WaveTracks starts and ends, in case we
* need to work out for ourselves when to start and stop rendering.
*/
double mixStartTime = 0.0; /* start time of first track to start */
bool gotstart = false; // flag indicates we have found a start time
double mixEndTime = 0.0; /* end time of last track to end */
double tstart, tend; // start and end times for one track.
waveArray = new WaveTrack *[numWaves];
w = 0;
t = iter.First();
while (t) {
if (t->GetSelected() && t->GetKind() == Track::Wave) {
waveArray[w++] = (WaveTrack *) t;
tstart = t->GetStartTime();
tend = t->GetEndTime();
if (tend > mixEndTime)
mixEndTime = tend;
// try and get the start time. If the track is empty we will get 0,
// which is ambiguous because it could just mean the track starts at
// the beginning of the project, as well as empty track. The give-away
// is that an empty track also ends at zero.
if (tstart != tend) {
// we don't get empty tracks here
if (!gotstart) {
// no previous start, use this one unconditionally
mixStartTime = tstart;
gotstart = true;
} else if (tstart < mixStartTime)
mixStartTime = tstart; // have a start, only make it smaller
} // end if start and end are different
} // end if track is a selected WaveTrack.
/** @TODO: could we not use a SelectedTrackListOfKindIterator here? */
t = iter.Next();
}
/* create the destination track (new track) */
if ((numWaves == 1) || ((numWaves == 2) && (usefulIter.First()->GetLink() != NULL)))
oneinput = true;
// only one input track (either 1 mono or one linked stereo pair)
WaveTrack *mixLeft = trackFactory->NewWaveTrack(format, rate);
if (oneinput)
mixLeft->SetName(usefulIter.First()->GetName()); /* set name of output track to be the same as the sole input track */
else
mixLeft->SetName(_("Mix"));
mixLeft->SetOffset(mixStartTime);
WaveTrack *mixRight = 0;
if (mono) {
mixLeft->SetChannel(Track::MonoChannel);
}
else {
mixRight = trackFactory->NewWaveTrack(format, rate);
if (oneinput) {
if (usefulIter.First()->GetLink() != NULL) // we have linked track
mixLeft->SetName(usefulIter.First()->GetLink()->GetName()); /* set name to match input track's right channel!*/
else
mixLeft->SetName(usefulIter.First()->GetName()); /* set name to that of sole input channel */
}
else
mixRight->SetName(_("Mix"));
mixLeft->SetChannel(Track::LeftChannel);
mixRight->SetChannel(Track::RightChannel);
mixRight->SetOffset(mixStartTime);
mixLeft->SetLinked(true);
}
int maxBlockLen = mixLeft->GetIdealBlockSize();
// If the caller didn't specify a time range, use the whole range in which
// any input track had clips in it.
if (startTime == endTime) {
startTime = mixStartTime;
endTime = mixEndTime;
}
Mixer *mixer = new Mixer(numWaves, waveArray,
Mixer::WarpOptions(tracks->GetTimeTrack()),
startTime, endTime, mono ? 1 : 2, maxBlockLen, false,
rate, format);
::wxSafeYield();
ProgressDialog *progress = new ProgressDialog(_("Mix and Render"),
_("Mixing and rendering tracks"));
int updateResult = eProgressSuccess;
while(updateResult == eProgressSuccess) {
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);
}
updateResult = progress->Update(mixer->MixGetCurrentTime() - startTime, endTime - startTime);
}
delete progress;
mixLeft->Flush();
if (!mono)
mixRight->Flush();
if (updateResult == eProgressCancelled || updateResult == eProgressFailed)
{
delete mixLeft;
if (!mono)
delete mixRight;
} else {
*newLeft = mixLeft;
if (!mono)
*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 (updateResult == eProgressSuccess || updateResult == eProgressStopped);
}
