ProjectRate Class Reference

Holds project sample rate. More...

#include <ProjectRate.h>

Inheritance diagram for ProjectRate:

Collaboration diagram for ProjectRate:

Public Member Functions
	ProjectRate (AudacityProject &project)
	ProjectRate (const ProjectRate &)=delete
ProjectRate &	operator= (const ProjectRate &)=delete
void	SetRate (double rate)
double	GetRate () const
Public Member Functions inherited from ClientData::Base
virtual	~Base ()
Public Member Functions inherited from Observer::Publisher< double >
	Publisher (ExceptionPolicy *pPolicy=nullptr, Alloc a={})
	Constructor supporting type-erased custom allocation/deletion. More...
	Publisher (Publisher &&)=default
Publisher &	operator= (Publisher &&)=default
Subscription	Subscribe (Callback callback)
	Connect a callback to the Publisher; later-connected are called earlier. More...
Subscription	Subscribe (Object &obj, Return(Object::*callback)(Args...))
	Overload of Subscribe takes an object and pointer-to-member-function. More...

Static Public Member Functions
static ProjectRate &	Get (AudacityProject &project)
static const ProjectRate &	Get (const AudacityProject &project)

Private Attributes
double	mRate

Additional Inherited Members
Public Types inherited from Observer::Publisher< double >
using	message_type = double
using	CallbackReturn = std::conditional_t< true, void, bool >
using	Callback = std::function< CallbackReturn(const double &) >
	Type of functions that can be connected to the Publisher. More...
Static Public Attributes inherited from Observer::Publisher< double >
static constexpr bool	notifies_all
Protected Member Functions inherited from Observer::Publisher< double >
CallbackReturn	Publish (const double &message)
	Send a message to connected callbacks. More...

Detailed Description

Holds project sample rate.

Definition at line 21 of file ProjectRate.h.

Constructor & Destructor Documentation

ProjectRate() [1/2]

ProjectRate::ProjectRate ( AudacityProject &  project )

explicit

Definition at line 38 of file ProjectRate.cpp.

{
   int intRate = 0;
   bool wasDefined = QualitySettings::DefaultSampleRate.Read( &intRate );
   mRate = intRate;
   if ( !wasDefined ) {
      // The default given above can vary with host/devices. So unless there is
      // an entry for the default sample rate in audacity.cfg, Audacity can open
      // with a rate which is different from the rate with which it closed.
      // See bug 1879.
      QualitySettings::DefaultSampleRate.Write( mRate );
      gPrefs->Flush();
   }
}

References QualitySettings::DefaultSampleRate, audacity::BasicSettings::Flush(), gPrefs, mRate, Setting< T >::Read(), and Setting< T >::Write().

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ProjectRate() [2/2]

ProjectRate::ProjectRate ( const ProjectRate &  )

delete

Member Function Documentation

Get() [1/2]

ProjectRate & ProjectRate::Get ( AudacityProject &  project )

static

Definition at line 28 of file ProjectRate.cpp.

{
   return project.AttachedObjects::Get< ProjectRate >( sKey );
}

References project, and sKey.

Referenced by ExportCommand::Apply(), SetProjectCommand::Apply(), BenchmarkDialog::BenchmarkDialog(), DevicePrefs::Commit(), ContrastDialog::ContrastDialog(), ProjectAudioIO::DefaultOptionsFactory(), DefaultSpeedPlayOptions(), AudacityApplicationLogic::DoEffect(), anonymous_namespace{FileMenus.cpp}::DoExport(), anonymous_namespace{TrackMenus.cpp}::DoMixAndRender(), anonymous_namespace{EditMenus.cpp}::DoPasteNothingSelected(), audacity::cloud::audiocom::sync::MixdownUploader::ExportProject(), audacity::cloud::audiocom::ShareAudioDialog::ExportProject(), Get(), ProjectManager::GetEstimatedRecordingMinsLeftOnDisk(), anonymous_namespace{TimeTrack.cpp}::GetRate(), FormatterContext::GetSampleRate(), AUPImportFileHandle::Import(), ImportRaw(), anonymous_namespace{SelectMenus.cpp}::NearestZeroCrossing(), anonymous_namespace{WaveTrackMenuItems.cpp}::OnNewStereoTrack(), anonymous_namespace{WaveTrackMenuItems.cpp}::OnNewWaveTrack(), anonymous_namespace{TrackMenus.cpp}::OnResample(), anonymous_namespace{PluginMenus.cpp}::OnResetConfig(), anonymous_namespace{TimerRecordDialog.cpp}::OnTimerRecord(), SelectActions::Handler::OnZeroCrossing(), anonymous_namespace{ParsedNumericConverterFormatter.cpp}::ParsedNumericConverterFormatter::ParsedNumericConverterFormatter(), DevicePrefs::Populate(), NyquistBase::Process(), WaveTrack::ProjectNyquistFrequency(), SnapManager::Reinit(), SelectionBar::SelectionBar(), and anonymous_namespace{TimeSnapFunctions.cpp}::SnapToSamples().

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Get() [2/2]

const ProjectRate & ProjectRate::Get ( const AudacityProject &  project )

static

Definition at line 33 of file ProjectRate.cpp.

{
   return Get( const_cast< AudacityProject & >( project ) );
}

References Get(), and project.

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GetRate()

double ProjectRate::GetRate

(

)

const

Definition at line 53 of file ProjectRate.cpp.

{
   return mRate;
}

References mRate.

Referenced by ExportCommand::Apply(), ContrastDialog::ContrastDialog(), WaveTrackFactory::Create(), WaveTrackFactory::CreateMany(), ProjectAudioIO::DefaultOptionsFactory(), AudacityApplicationLogic::DoEffect(), anonymous_namespace{TrackMenus.cpp}::DoMixAndRender(), anonymous_namespace{EditMenus.cpp}::DoPasteNothingSelected(), ProjectManager::GetEstimatedRecordingMinsLeftOnDisk(), anonymous_namespace{TimeTrack.cpp}::GetRate(), FormatterContext::GetSampleRate(), ImportRaw(), anonymous_namespace{SelectMenus.cpp}::NearestZeroCrossing(), anonymous_namespace{WaveTrackMenuItems.cpp}::OnNewStereoTrack(), anonymous_namespace{WaveTrackMenuItems.cpp}::OnNewWaveTrack(), anonymous_namespace{TrackMenus.cpp}::OnResample(), BenchmarkDialog::OnRun(), SelectActions::Handler::OnZeroCrossing(), DevicePrefs::Populate(), NyquistBase::Process(), SnapManager::Reinit(), SelectionBar::SelectionBar(), and anonymous_namespace{TimeSnapFunctions.cpp}::SnapToSamples().

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operator=()

ProjectRate & ProjectRate::operator= ( const ProjectRate &  )

delete

SetRate()

void ProjectRate::SetRate

(

double

rate

)

Definition at line 58 of file ProjectRate.cpp.

{
   if (rate != mRate) {
      mRate = rate;
      Publish(rate);
   }
}

References mRate, and Observer::Publisher< double >::Publish().

Referenced by SetProjectCommand::Apply(), AUPImportFileHandle::Import(), and anonymous_namespace{PluginMenus.cpp}::OnResetConfig().

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Member Data Documentation

mRate

double ProjectRate::mRate

private

Definition at line 37 of file ProjectRate.h.

Referenced by GetRate(), ProjectRate(), and SetRate().

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The documentation for this class was generated from the following files:

• ProjectRate.h
• ProjectRate.cpp