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/**********************************************************************
Audacity: A Digital Audio Editor
Export.cpp
Dominic Mazzoni
*******************************************************************//**
\class Export
\brief Main class to control the export function.
*//*****************************************************************/
#include "Export.h"
#include <numeric>
#include "BasicUI.h"
#include "ExportPluginRegistry.h"
#include "Mix.h"
#include "Project.h"
#include "WaveTrack.h"
#include "wxFileNameWrapper.h"
#include "StretchingSequence.h"
#include "ExportUtils.h"
ExportTaskBuilder::ExportTaskBuilder() = default;
ExportTaskBuilder::~ExportTaskBuilder() = default;
ExportTaskBuilder& ExportTaskBuilder::SetFileName(const wxFileName& filename)
{
mFileName = filename;
return *this;
}
ExportTaskBuilder& ExportTaskBuilder::SetRange(double t0, double t1, bool selectedOnly) noexcept
{
mT0 = t0;
mT1 = t1;
mSelectedOnly = selectedOnly;
return *this;
}
ExportTaskBuilder& ExportTaskBuilder::SetParameters(ExportProcessor::Parameters parameters) noexcept
{
mParameters = std::move(parameters);
return *this;
}
ExportTaskBuilder& ExportTaskBuilder::SetNumChannels(unsigned int numChannels) noexcept
{
mNumChannels = numChannels;
return *this;
}
ExportTaskBuilder& ExportTaskBuilder::SetPlugin(const ExportPlugin* plugin, int format) noexcept
{
mPlugin = plugin;
mFormat = format;
return *this;
}
ExportTaskBuilder& ExportTaskBuilder::SetMixerSpec(MixerOptions::Downmix *mixerSpec) noexcept
{
mMixerSpec = mixerSpec;
return *this;
}
ExportTaskBuilder& ExportTaskBuilder::SetSampleRate(double sampleRate) noexcept
{
mSampleRate = sampleRate;
return *this;
}
ExportTaskBuilder& ExportTaskBuilder::SetTags(const Tags *tags) noexcept
{
mTags = tags;
return *this;
}
ExportTask ExportTaskBuilder::Build(AudacityProject& project)
{
//File rename stuff should be moved out to somewhere else...
auto filename = mFileName;
//For safety, if the file already exists we use temporary filename
//and replace original one export succeeded
int suffix = 0;
while (filename.FileExists()) {
filename.SetName(mFileName.GetName() +
wxString::Format(wxT("%d"), suffix));
suffix++;
}
auto processor = mPlugin->CreateProcessor(mFormat);
if(!processor->Initialize(project,
mParameters,
mFileName.GetFullPath(),
mT0, mT1, mSelectedOnly,
mSampleRate, mMixerSpec ? mMixerSpec->GetNumChannels() : mNumChannels,
mMixerSpec,
mTags))
{
return ExportTask([](ExportProcessorDelegate&){ return ExportResult::Cancelled; });
}
return ExportTask([actualFilename = filename,
targetFilename = mFileName,
processor = std::shared_ptr<ExportProcessor>(processor.release())]
(ExportProcessorDelegate& delegate)
{
auto result = ExportResult::Error;
auto cleanup = finally( [&] {
if(result == ExportResult::Success || result == ExportResult::Stopped)
{
if (actualFilename != targetFilename)
{
//may fail...
::wxRenameFile(actualFilename.GetFullPath(),
targetFilename.GetFullPath(),
true);
}
}
else
::wxRemoveFile(actualFilename.GetFullPath());
} );
result = processor->Process(delegate);
return result;
});
}
void ShowDiskFullExportErrorDialog(const wxFileNameWrapper &fileName)
{
BasicUI::ShowErrorDialog( {},
XO("Warning"),
FileException::WriteFailureMessage(fileName),
"Error:_Disk_full_or_not_writable"
);
}
void ShowExportErrorDialog(const TranslatableString& message,
const TranslatableString& caption,
bool allowReporting)
{
ShowExportErrorDialog(message, caption, {}, allowReporting);
}
void ShowExportErrorDialog(const TranslatableString& message,
const TranslatableString& caption,
const ManualPageID& helpPageId,
bool allowReporting)
{
using namespace BasicUI;
ShowErrorDialog( {},
caption,
message,
helpPageId,
ErrorDialogOptions { allowReporting ? ErrorDialogType::ModalErrorReport : ErrorDialogType::ModalError });
}
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