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/**********************************************************************
Audacity: A Digital Audio Editor
ImportUtils.cpp
Dominic Mazzoni
Vitaly Sverchinsky split from ImportPlugin.cpp
**********************************************************************/
#include "ImportUtils.h"
#include "WaveTrack.h"
#include "QualitySettings.h"
#include "BasicUI.h"
sampleFormat ImportUtils::ChooseFormat(sampleFormat effectiveFormat)
{
// Consult user preference
auto defaultFormat = QualitySettings::SampleFormatChoice();
// Don't choose format narrower than effective or default
auto format = std::max(effectiveFormat, defaultFormat);
// But also always promote 24 bits to float
if (format > int16Sample)
format = floatSample;
return format;
}
WaveTrack::Holder
ImportUtils::NewWaveTrack(WaveTrackFactory &trackFactory,
unsigned nChannels,
sampleFormat effectiveFormat,
double rate)
{
return trackFactory.Create(nChannels, ChooseFormat(effectiveFormat), rate);
}
void ImportUtils::ShowMessageBox(const TranslatableString &message, const TranslatableString& caption)
{
BasicUI::ShowMessageBox(message,
BasicUI::MessageBoxOptions().Caption(caption));
}
void ImportUtils::FinalizeImport(TrackHolders& outTracks, const std::vector<WaveTrack::Holder>& importedStreams)
{
for(auto& stream : importedStreams)
FinalizeImport(outTracks, *stream);
}
void ImportUtils::FinalizeImport(TrackHolders& outTracks, TrackList &&trackList)
{
if(trackList.empty())
return;
for(const auto track : trackList.Any<WaveTrack>())
track->Flush();
while (!trackList.empty())
outTracks.push_back(trackList.DetachFirst());
}
void ImportUtils::FinalizeImport(TrackHolders& outTracks, WaveTrack &track)
{
track.Flush();
outTracks.push_back(track.shared_from_this());
}
void ImportUtils::ForEachChannel(TrackList& trackList, const std::function<void(WaveChannel&)>& op)
{
for(auto track : trackList.Any<WaveTrack>())
{
for(auto channel : track->Channels())
{
op(*channel);
}
}
}
void ImportUtils::ForEachChannel(WaveTrack &track, const std::function<void(WaveChannel&)>& op)
{
for(auto channel : track.Channels())
{
op(*channel);
}
}
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