64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
// SampledSound class definition
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//
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// A sound as an array of multi-channel samples
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//
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// QATSH Copyright 2009 Jean-Philippe MEURET <jpmeuret@free.fr>
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#ifndef SAMPLEDSOUND_H
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#define SAMPLEDSOUND_H
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class SampledSound
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{
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public:
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// Constructor (_copy_ samples if present)
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SampledSound(int nChannels = 0, int nFrames = 0, int nSamplingRate = 0,
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double** adSamples = 0);
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// Destructor.
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~SampledSound();
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// Load from file.
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bool load(const char* pszFileName);
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// Store to file with given sample format.
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enum ESampleFormat
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{
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ePCM16 = 0, // Signed 16 bit data
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ePCM24, // Signed 24 bit data
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ePCM32, // Signed 32 bit data
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eFloat , // 32 bit float data
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eDouble, // 64 bit float data
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eSampFormatNumber
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};
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bool store(const char* pszFileName, ESampleFormat eSampFormat) const;
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// Accessors.
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int samplingRate() const;
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int nbChannels() const;
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int nbFrames() const;
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double** samples();
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double* channel(int nChanInd);
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private:
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// Internal full cleanup.
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void freeSamples();
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private:
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// Sample properties.
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int _nChannels; // Ex: Stereo => 2 channels.
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int _nFrames; // Number of samples for each channel.
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int _nSamplingRate; // Number of samples per second.
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// Sample data : 1 double array of samples per channel.
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double** _adSamples; // Access data through [channel][frame]
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};
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#endif // SAMPLEDSOUND_H
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