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This commit is contained in:
Klaus Basan
2019-09-29 15:37:59 +02:00
committed by Mat Sutcliffe
parent c1470f6069
commit bde7baf84d
10 changed files with 44 additions and 30 deletions
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4
src/blacksound/sampleprovider/bufferedwaveprovider.h
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@@ -31,14 +31,16 @@ namespace BlackSound
//! Ctor
CBufferedWaveProvider(const QAudioFormat &format, QObject *parent = nullptr);
//! Add samples
void addSamples(const QVector<qint16> &samples);
//! ISampleProvider::readSamples
virtual int readSamples(QVector<qint16> &samples, qint64 count) override;
//! Bytes from buffer
int getBufferedBytes() const { return m_audioBuffer.size(); }
//! Clear the buffer
void clearBuffer();
private:

8
src/blacksound/sampleprovider/mixingsampleprovider.h
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@@ -20,18 +20,22 @@ namespace BlackSound
{
namespace SampleProvider
{
//! Mixer
class BLACKSOUND_EXPORT CMixingSampleProvider : public ISampleProvider
{
public:
CMixingSampleProvider(QObject *parent = nullptr) : ISampleProvider(parent) {}
//! Add a provider
void addMixerInput(ISampleProvider *provider) { m_sources.append(provider); }
//! \copydoc ISampleProvider::readSamples
virtual int readSamples(QVector<qint16> &samples, qint64 count) override;
private:
QVector<ISampleProvider *> m_sources;
};
}
}
} // ns
} // ns
#endif // guard

8
src/blacksound/sampleprovider/sawtoothgenerator.cpp
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@@ -21,17 +21,17 @@ namespace BlackSound
int CSawToothGenerator::readSamples(QVector<qint16> &samples, qint64 count)
{
samples.clear();
samples.fill(0, count);
samples.fill(0, static_cast<int>(count));
for (int sampleCount = 0; sampleCount < count; sampleCount++)
{
double multiple = 2 * m_frequency / m_sampleRate;
double sampleSaw = std::fmod((m_nSample * multiple), 2) - 1;
double sampleValue = m_gain * sampleSaw;
samples[sampleCount] = sampleValue * 32768;
samples[sampleCount] = static_cast<qint16>(qRound(sampleValue * 32768));
m_nSample++;
}
return static_cast<int>(count);
}
}
}
} // ns
} // ns

7
src/blacksound/sampleprovider/sawtoothgenerator.h
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@@ -27,10 +27,13 @@ namespace BlackSound
Q_OBJECT
public:
//! Ctor
CSawToothGenerator(double frequency, QObject *parent = nullptr);
//! \copydoc ISampleProvider::readSamples
virtual int readSamples(QVector<qint16> &samples, qint64 count) override;
//! Set the gain
void setGain(double gain) { m_gain = gain; }
private:
@@ -39,7 +42,7 @@ namespace BlackSound
double m_sampleRate = 48000;
int m_nSample = 0;
};
}
}
} // ns
} // ns
#endif // guard

13
src/blacksound/sampleprovider/simplecompressoreffect.h
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@@ -22,27 +22,32 @@ namespace BlackSound
{
namespace SampleProvider
{
//! Compressor effect
class BLACKSOUND_EXPORT CSimpleCompressorEffect : public ISampleProvider
{
Q_OBJECT
public:
//! Ctor
CSimpleCompressorEffect(ISampleProvider *source, QObject *parent = nullptr);
//! \copydoc ISampleProvider::readSamples
virtual int readSamples(QVector<qint16> &samples, qint64 count) override;
//! Enable
void setEnabled(bool enabled);
//! Set gain
void setMakeUpGain(double gain);
private:
QTimer m_timer;
ISampleProvider *m_sourceStream;
ISampleProvider *m_sourceStream = nullptr;
bool m_enabled = true;
chunkware_simple::SimpleComp m_simpleCompressor;
const int channels = 1;
};
}
}
} // ns
} // ns
#endif // guard