コード例 #1
0
void SamplePlayerNodeTestApp::setupFilePlayerNode()
{
	mGain->disconnectAllInputs();

	auto ctx = audio::master();

//	mSourceFile->setMaxFramesPerRead( 8192 );
	bool asyncRead = mAsyncButton.mEnabled;
	CI_LOG_V( "async read: " << asyncRead );
	mSamplePlayerNode = ctx->makeNode( new audio::FilePlayerNode( mSourceFile, asyncRead ) );

	// TODO: it is pretty surprising when you recreate mMonitor here without checking if there has already been one added.
	//	- user will no longer see the old mMonitor, but the context still owns a reference to it, so another gets added each time we call this method.
	if( ! mMonitor )
		mMonitor = ctx->makeNode( new audio::MonitorNode( audio::MonitorNode::Format().windowSize( 1024 ) ) );

	// when these connections are called, some (GainNode and Pan) will already be connected, but this is okay, they should silently no-op.

	// or connect in series (it is added to the Context's 'auto pulled list')
	mSamplePlayerNode >> mGain >> mPan >> ctx->getOutput();
	mPan >> mMonitor;

	mSamplePlayerNode->setLoopEnabled( mLoopButton.mEnabled );
	mSamplePlayerNode->setLoopBeginTime( mLoopBeginSlider.mValueScaled );
	mSamplePlayerNode->setLoopEndTime( mLoopEndSlider.mValueScaled != 0 ? mLoopEndSlider.mValueScaled : mSamplePlayerNode->getNumSeconds() );

	PRINT_GRAPH( audio::master() );
}
コード例 #2
0
ファイル: SampleTestApp.cpp プロジェクト: Drakesinger/Cinder
void SamplePlayerNodeTestApp::processTap( ivec2 pos )
{
	if( mEnableSamplePlayerNodeButton.hitTest( pos ) )
		mSamplePlayerNode->setEnabled( ! mSamplePlayerNode->isEnabled() );
	else if( mStartPlaybackButton.hitTest( pos ) )
		triggerStartStop( true );
	else if( mStopPlaybackButton.hitTest( pos ) )
		triggerStartStop( false );
	else if( mLoopButton.hitTest( pos ) )
		mSamplePlayerNode->setLoopEnabled( ! mSamplePlayerNode->isLoopEnabled() );
	else if( mRecordButton.hitTest( pos ) ) {
		if( mRecordButton.mEnabled )
			mRecorder->start();
		else
			mRecorder->disable();
	}
	else if( mWriteButton.hitTest( pos ) )
		writeRecordedToFile();
	else if( mAutoResizeButton.hitTest( pos ) )
		;
	else if( mAsyncButton.hitTest( pos ) )
		;
	else if( pos.y > getWindowCenter().y )
		seek( pos.x );

	size_t currentIndex = mTestSelector.mCurrentSectionIndex;
	if( mTestSelector.hitTest( pos ) && currentIndex != mTestSelector.mCurrentSectionIndex ) {
		string currentTest = mTestSelector.currentSection();
		CI_LOG_V( "selected: " << currentTest );

		if( currentTest == "BufferPlayerNode" )
			setupBufferPlayerNode();
		if( currentTest == "FilePlayerNode" )
			setupFilePlayerNode();
		if( currentTest == "recorder" )
			setupBufferRecorderNode();
	}
}
コード例 #3
0
void SamplePlayerNodeTestApp::setupBufferPlayerNode()
{
	auto bufferPlayer = audio::master()->makeNode( new audio::BufferPlayerNode() );

	auto loadFn = [bufferPlayer, this] {
		bufferPlayer->loadBuffer( mSourceFile );
		mWaveformPlot.load( bufferPlayer->getBuffer(), getWindowBounds() );
		CI_LOG_V( "loaded source buffer, frames: " << bufferPlayer->getBuffer()->getNumFrames() );

	};

	auto connectFn = [bufferPlayer, this] {
		mGain->disconnectAllInputs();
		mSamplePlayerNode = bufferPlayer;
		mSamplePlayerNode >> mGain >> mPan >> audio::master()->getOutput();
		PRINT_GRAPH( audio::master() );
		mSamplePlayerNode->setLoopEnabled( mLoopButton.mEnabled );
		mSamplePlayerNode->setLoopBeginTime( mLoopBeginSlider.mValueScaled );
		mSamplePlayerNode->setLoopEndTime( mLoopEndSlider.mValueScaled != 0 ? mLoopEndSlider.mValueScaled : mSamplePlayerNode->getNumSeconds() );
	};

	bool asyncLoad = mAsyncButton.mEnabled;
	CI_LOG_V( "async load: " << boolalpha << asyncLoad << dec );
	if( asyncLoad ) {
		mWaveformPlot.clear();
		mAsyncLoadFuture = std::async( [=] {
			loadFn();
			dispatchAsync( [=] {
				connectFn();
			} );
		} );
	}
	else {
		loadFn();
		connectFn();
	};
}