Exemplo n.º 1
0
// Runs update logic
void KissFileSampleApp::update() 
{

	// Check if track is playing and has a PCM buffer available
	if (mTrack->isPlaying() && mTrack->isPcmBuffering())
	{

		// Get buffer
		mBuffer = mTrack->getPcmBuffer();
		if (mBuffer && mBuffer->getInterleavedData())
		{

			// Get sample count
			uint32_t mSampleCount = mBuffer->getInterleavedData()->mSampleCount;
			if (mSampleCount > 0)
			{

				// Initialize analyzer, if needed
				if (!mFftInit)
				{
					mFftInit = true;
					mFft.setDataSize(mSampleCount);
				}

				// Analyze data
				if (mBuffer->getInterleavedData()->mData != 0) 
					mFft.setData(mBuffer->getInterleavedData()->mData);

			}

		}

	}

}
Exemplo n.º 2
0
//*************************************************************************
void BeatDetectorApp::update() 
{
	if(write_frames)
	{
		if(curr_sample < p_sample->m_SampleCount)
		{
			// Initialize analyzer, if needed
			if (!mFftInit)
			{
				Init(samples_per_frame);
			}
			
			mFft.setData(p_sample->mp_Buffer + (curr_sample));
			curr_sample += samples_per_frame;

			CSoundAnalyzer::Get().ProcessData(mFft.getAmplitude(), mFft.getData());
		}
		else
		{
			shutdown();
		}
	}
	else
	{
		// Check if track is playing and has a PCM buffer available
		if (mTrack->isPlaying() && mTrack->isPcmBuffering())
		{
			// Get buffer
			mBuffer = mTrack->getPcmBuffer();
			if (mBuffer && mBuffer->getInterleavedData())
			{
				// Get sample count
				uint32_t mSampleCount = mBuffer->getChannelData(CHANNEL_FRONT_LEFT)->mSampleCount;
				
				if (mSampleCount > 0)
				{
					// Initialize analyzer, if needed
					if (!mFftInit)
					{
						Init(samples_per_frame);
					}
					
					// Analyze data
					if (mBuffer->getChannelData(CHANNEL_FRONT_LEFT)->mData != 0) 
						mFft.setData(mBuffer->getChannelData(CHANNEL_FRONT_LEFT)->mData);

					CSoundAnalyzer::Get().ProcessData(mFft.getAmplitude(), mFft.getData());
				}
			}
		}
	}
}