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