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46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#include "simplecompressoreffect.h"
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#include <QDebug>
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SimpleCompressorEffect::SimpleCompressorEffect(ISampleProvider *source, QObject *parent) :
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ISampleProvider(parent),
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m_sourceStream(source)
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{
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m_simpleCompressor.setAttack(5.0);
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m_simpleCompressor.setRelease(10.0);
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m_simpleCompressor.setSampleRate(48000.0);
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m_simpleCompressor.setThresh(16.0);
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m_simpleCompressor.setRatio(6.0);
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m_simpleCompressor.setMakeUpGain(16.0);
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m_timer.start(3000);
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}
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int SimpleCompressorEffect::readSamples(QVector<qint16> &samples, qint64 count)
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{
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int samplesRead = m_sourceStream->readSamples(samples, count);
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if (m_enabled)
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{
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for (int sample = 0; sample < samplesRead; sample+=channels)
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{
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double in1 = samples.at(sample) / 32768.0;
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double in2 = (channels == 1) ? 0 : samples.at(sample+1);
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m_simpleCompressor.process(in1, in2);
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samples[sample] = in1 * 32768.0;
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if (channels > 1)
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samples[sample + 1] = in2 * 32768.0f;
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}
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}
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return samplesRead;
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}
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void SimpleCompressorEffect::setEnabled(bool enabled)
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{
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m_enabled = enabled;
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}
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void SimpleCompressorEffect::setMakeUpGain(double gain)
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{
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m_simpleCompressor.setMakeUpGain(gain);
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}
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