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/*
audio/pcm.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_AUDIO_PCM_H__
#define __INCLUDED_AUDIO_PCM_H__
#include <string>
namespace audio {
/// class to hold PCM audio data
class PCM {
public:
PCM(unsigned int samplerate, unsigned int samplesize, unsigned int channels, size_t size);
~PCM();
void clear();
/// pointer to the raw pcm data
inline unsigned char *data() { return pcm_data; }
/// index into the raw pcm data
inline unsigned char *operator[](size_t index) { return &pcm_data[index]; }
/// size in bytes
inline size_t size() { return pcm_size; }
/// samplerate in samples per second
inline unsigned int samplerate() const { return pcm_samplerate; }
/// number of bits per sample
inline unsigned int bitspersample() const { return pcm_bitspersample; }
/// number of channels
inline unsigned int channels() const { return pcm_channels; }
/// load PCM audio data from file
static void load(std::string const & name);
static void load(const char *name);
private:
unsigned char *pcm_data;
unsigned int pcm_channels;
unsigned int pcm_samplerate;
unsigned int pcm_bitspersample;
size_t pcm_size;
};
}
#endif // __INCLUDED_AUDIO_PCM_H__
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