public Fingerprinter(FingerprinterConfiguration config, IFFTService fftService)
{
m_image = new Image(12);
if (config == null)
{
config = new FingerprinterConfigurationTest1();
}
m_image_builder = new ImageBuilder(m_image);
m_chroma_normalizer = new ChromaNormalizer(m_image_builder);
m_chroma_filter = new ChromaFilter(config.FilterCoefficients, m_chroma_normalizer);
m_chroma = new Chroma(MIN_FREQ, MAX_FREQ, FRAME_SIZE, SAMPLE_RATE, m_chroma_filter);
//m_chroma.set_interpolate(true);
// TODO: inject IFFTService
m_fft = new FFT(FRAME_SIZE, OVERLAP, m_chroma, fftService);
if (config.RemoveSilence)
{
m_silence_remover = new SilenceRemover(m_fft);
m_silence_remover.Threshold = config.SilenceThreshold;
m_audio_processor = new AudioProcessor(SAMPLE_RATE, m_silence_remover);
}
else
{
m_silence_remover = null;
m_audio_processor = new AudioProcessor(SAMPLE_RATE, m_fft);
}
m_fingerprint_calculator = new FingerprintCalculator(config.Classifiers);
m_config = config;
}
public Fingerprinter(FingerprinterConfiguration config, IFFTService fftService)
{
m_image = new Image(12);
if (config == null)
{
config = new FingerprinterConfigurationTest1();
}
m_image_builder = new ImageBuilder(m_image);
m_chroma_normalizer = new ChromaNormalizer(m_image_builder);
m_chroma_filter = new ChromaFilter(config.FilterCoefficients, m_chroma_normalizer);
m_chroma = new Chroma(MIN_FREQ, MAX_FREQ, FRAME_SIZE, SAMPLE_RATE, m_chroma_filter);
//m_chroma.set_interpolate(true);
// TODO: inject IFFTService
m_fft = new FFT(FRAME_SIZE, OVERLAP, m_chroma, fftService);
if (config.RemoveSilence)
{
m_silence_remover = new SilenceRemover(m_fft);
m_silence_remover.Threshold = config.SilenceThreshold;
m_audio_processor = new AudioProcessor(SAMPLE_RATE, m_silence_remover);
}
else
{
m_silence_remover = null;
m_audio_processor = new AudioProcessor(SAMPLE_RATE, m_fft);
}
m_fingerprint_calculator = new FingerprintCalculator(config.Classifiers);
m_config = config;
}
public void TestPassThrough()
{
short[] samples = { 1000, 2000, 3000, 4000, 5000, 6000 };
short[] data = (short[])(samples.Clone());
AudioBuffer buffer = new AudioBuffer();
SilenceRemover processor = new SilenceRemover(buffer);
processor.Reset(44100, 1);
processor.Consume(data, data.Length);
processor.Flush();
Assert.AreEqual(data.Length, buffer.data.Length);
for (int i = 0; i < data.Length; i++)
{
Assert.AreEqual(data[i], buffer.data[i]); // << "Signals differ at index " << i;
}
}
public void TestRemoveLeadingSilence()
{
short[] samples1 = { 0, 60, 0, 1000, 2000, 0, 4000, 5000, 0 };
short[] data1 = (short[])(samples1.Clone());
short[] samples2 = { 1000, 2000, 0, 4000, 5000, 0 };
short[] data2 = (short[])(samples2.Clone());
AudioBuffer buffer = new AudioBuffer();
SilenceRemover processor = new SilenceRemover(buffer, 100);
processor.Reset(44100, 1);
processor.Consume(data1, data1.Length);
processor.Flush();
Assert.AreEqual(data2.Length, buffer.data.Length);
for (int i = 0; i < data2.Length; i++)
{
Assert.AreEqual(data2[i], buffer.data[i]); // << "Signals differ at index " << i;
}
}
