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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();
/// set the data size
void set_size(size_t size);
/// grow the buffer
void grow(size_t size);
/// 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 of the buffer
inline size_t buff_size() {
return pcm_buff_size;
}
/// size of the audio data, 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;
}
private:
unsigned char *pcm_data;
unsigned int pcm_channels;
unsigned int pcm_samplerate;
unsigned int pcm_bitspersample;
size_t pcm_size;
size_t pcm_buff_size;
};
}
#endif // __INCLUDED_AUDIO_PCM_H__
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