audiobuffer.h

来自「kphone-4.2,SHELL协议的VOIP电话」· C头文件 代码 · 共 47 行

#ifndef AUDIOBUFFER_H_INCLUDED
#define AUDIOBUFFER_H_INCLUDED

#include <stdlib.h>

/**
 * Small class for passing around buffers of audio data. Does not
 * specify a format, so the responsibility is on the programmer to
 * know what the datatype of the buffer really is.
 */
class AudioBuffer
{
public:
	/**
	 * Creates an audio buffer of @param length bytes.
	 */
	AudioBuffer( size_t length = 4096 );

	/**
	 * Deletes the audio buffer, freeing the data.
	 */
	~AudioBuffer( void );

	/**
	 * Returns a pointer to the audio data.
	 */
	void *getData( void ) const { return data; }

	/**
	 * Returns the size of the buffer.
	 */
	size_t getSize( void ) const { return size; }

	/**
	 * Resizes the buffer to size newlength. Will only allocate new memory
	 * if the size is larger than what has been previously allocated.
	 */
	void resize( size_t newsize );

private:
	void *data;
	size_t size;
	size_t realsize;
};

#endif // AUDIOBUFFER_H_INCLUDED