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/**********************************************************************
Audacity: A Digital Audio Editor
ExportUtils.cpp
Dominic Mazzoni
Vitaly Sverchinsky split from ExportPlugin.h
**********************************************************************/
#include "ExportUtils.h"
#include <algorithm>
#include <vector>
#include "Track.h"
#include "ViewInfo.h"
#include "WaveTrack.h"
//TODO: used in many places in anticipation that Exporter yields same result, fix that
TrackIterRange<const WaveTrack> ExportUtils::FindExportWaveTracks(const TrackList& tracks, bool selectedOnly)
{
bool anySolo =
!(tracks.Any<const WaveTrack>() + &WaveTrack::GetSolo).empty();
return tracks.Any<const WaveTrack>()
+ (selectedOnly ? &Track::IsSelected : &Track::Any)
- (anySolo ? &WaveTrack::GetNotSolo : &WaveTrack::GetMute);
}
bool ExportUtils::HasSelectedAudio(const AudacityProject& project)
{
return !FindExportWaveTracks(TrackList::Get(project), true).empty() &&
!ViewInfo::Get(project).selectedRegion.isPoint();
}
ExportProcessor::Parameters ExportUtils::ParametersFromEditor(const ExportOptionsEditor& editor)
{
ExportProcessor::Parameters parameters;
for(int i = 0, count = editor.GetOptionsCount(); i < count; ++i)
{
ExportOption option;
ExportValue value;
if(editor.GetOption(i, option) && editor.GetValue(option.id, value))
parameters.emplace_back(option.id, value);
}
return parameters;
}
namespace
{
struct ExportHookElement final
{
ExportUtils::ExportHook hook;
ExportUtils::Priority priority;
};
auto& ExportHooks()
{
static std::vector<ExportHookElement> hooks;
return hooks;
}
}
void ExportUtils::RegisterExportHook(ExportHook hook, Priority priority)
{
auto& hooks = ExportHooks();
hooks.insert(
std::upper_bound(
hooks.begin(), hooks.end(), priority,
[](Priority priority, const ExportHookElement& element)
{ return priority > element.priority; }),
{ hook, priority });
}
void ExportUtils::PerformInteractiveExport(
AudacityProject& project, const FileExtension& format, AudiocomTrace trace,
bool selectedOnly)
{
auto& hooks = ExportHooks();
for (auto& hook : hooks)
{
if (
hook.hook(project, format, trace, selectedOnly) !=
ExportHookResult::Continue)
return;
}
}
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