ringbuffer.h

《Visual C++视频/音频开发实用工程案例精选》一书的源代码

/**************************************************************************************
 *                                                                                    *
 *                                                                                    *
 **************************************************************************************/

#ifndef RING_BUFFER_H
#define RING_BUFFER_H

#include <stdlib.h>
#include <string.h>

#define RING_SIZE 128000



class MediaRingBuffer {

private:

	char        *ring;
	unsigned int read_pos;
	unsigned int write_pos;

public:

	MediaRingBuffer();
	~MediaRingBuffer();

	void Init();



	void Read(char *outData, unsigned int size);
	void Write(char *inData, unsigned int size);

	int  IsFullFor(unsigned int size);
};

#endif