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Feature/issue 323 #403

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rzhu15 wants to merge 3 commits into from
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Feature/issue 323 #403

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a953bc3
Add audio format conversion when sending to DAW
Mar 25, 2026
00bb0f4
Add audio format conversion when sending to DAW
Mar 25, 2026
20ef44a
Add audio format conversion when sending to DAW
Mar 25, 2026
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123 changes: 113 additions & 10 deletions src/widgets/MediaClipboardWidget.h
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Original file line number Diff line number Diff line change
Expand Up @@ -273,20 +273,49 @@ class MediaClipboardWidget : public Component, public ChangeListener
+ validExtensions.joinIntoString(", ") + ".",
"OK");
}*/

// RZ
if (originalFile.getFileExtension()
!= selectedFile.getFileExtension())
{
AlertWindow::showMessageBoxAsync(
AlertWindow::WarningIcon,
"File Type Mismatch",
"Cannot overwrite file of type \""
+ originalFile.getFileExtension()
+ "\" with file of type \""
+ selectedFile.getFileExtension() + "\".",
"OK");
File tempFile = selectedFile.getSiblingFile(
selectedFile.getFileNameWithoutExtension()
+ "_converted" + originalFile.getFileExtension());

// TODO - perform conversion if possible
if (convertAudioFile(selectedFile, tempFile))
{
if (tempFile.copyFileTo(originalFile))
{
DBG_AND_LOG(
"MediaClipboardWidget::sendToDAWCallback: Converted and overwrote "
<< originalFile.getFullPathName() << " with "
<< selectedFile.getFullPathName() << ".");

tempFile.deleteFile();

linkedDisplays[selectedIndex]->initializeDisplay(
URL(originalFile));
removeSelectionCallback();
linkedDisplays[selectedIndex]->selectTrack();
}
else
{
tempFile.deleteFile();
DBG_AND_LOG(
"MediaClipboardWidget::sendToDAWCallback: Conversion succeeded "
"but failed to copy to "
<< originalFile.getFullPathName());
}
}
else
{
AlertWindow::showMessageBoxAsync(
AlertWindow::WarningIcon,
"File Type Mismatch",
"Cannot convert file of type \""
+ selectedFile.getFileExtension() + "\" to \""
+ originalFile.getFileExtension() + "\".",
"OK");
}
}
else
{
Expand Down Expand Up @@ -544,6 +573,80 @@ class MediaClipboardWidget : public Component, public ChangeListener
}
}

// RZ edit
bool convertAudioFile(const File& source, const File& target)
{
AudioFormatManager formatManager;
formatManager.registerBasicFormats();

std::unique_ptr<AudioFormatReader> reader(formatManager.createReaderFor(source));

if (! reader)
{
DBG_AND_LOG(
"convertAudioFile: Could not read source file: " << source.getFullPathName());
return false;
}

String ext = target.getFileExtension().toLowerCase();
AudioFormat* format = nullptr;

if (ext == ".wav")
format = formatManager.findFormatForFileExtension("wav");
else if (ext == ".aiff" || ext == ".aif")
format = formatManager.findFormatForFileExtension("aiff");
else if (ext == ".flac")
format = formatManager.findFormatForFileExtension("flac");
else
{
DBG_AND_LOG("convertAudioFile: Unsupported target format: " << ext);
return false;
}

if (! format)
{
DBG_AND_LOG("convertAudioFile: Format not available: " << ext);
return false;
}

target.deleteFile();
auto outputStream = target.createOutputStream();
if (! outputStream)
{
DBG_AND_LOG(
"convertAudioFile: Could not create output file: " << target.getFullPathName());
return false;
}

std::unique_ptr<AudioFormatWriter> writer(format->createWriterFor(
outputStream.release(), reader->sampleRate, reader->numChannels, 16, {}, 0));

if (! writer)
{
DBG_AND_LOG(
"convertAudioFile: Could not create writer for: " << target.getFullPathName());
return false;
}

const int blockSize = 4096;
AudioBuffer<float> buffer((int) reader->numChannels, blockSize);
int64 totalFrames = (int64) reader->lengthInSamples;
int64 position = 0;

while (position < totalFrames)
{
int64 framesToRead = jmin((int64) blockSize, totalFrames - position);
reader->read(&buffer, 0, (int) framesToRead, position, true, true);
writer->writeFromAudioSampleBuffer(buffer, 0, (int) framesToRead);
position += framesToRead;
}

DBG_AND_LOG("convertAudioFile: Converted " << source.getFullPathName() << " -> "
<< target.getFullPathName());

return true;
}

void resetState()
{
selectionTextBox.clear();
Expand Down