audiodecodermp3.h

来自「VC++视频开发实例集锦(包括“远程视频监控”"语音识别系统&quot」· C头文件 代码 · 共 59 行

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#ifndef AUDIO_DECODER_MP3_H
#define AUDIO_DECODER_MP3_H

#include "MediaClasses.h"
#include "mp3/mpglib.h"
#include "mp3/ring.h"



#define MP3_INPUT_BUFFER_SIZE 2048

class MediaAudioDecoderMP3 : public MediaItemAudioDecoder {

private:

	MediaItemDecaps *decaps;

	WAVEFORMATEX    *oFormat;
	char            *in_buffer;
	char            *out_buffer;
	
	struct mpstr    mp;
	int             last_result;
	int             real_size;

	int DecompressMp3(char *outmemory, int outmemsize, int *done);

public:

	MediaAudioDecoderMP3();
	~MediaAudioDecoderMP3();



	media_type_t  GetType();
	char         *GetName();
	
	MP_RESULT     Connect(MediaItem *item);
	MP_RESULT     ReleaseConnections();

	DWORD         GetCaps();
	MP_RESULT     Configure(HINSTANCE hInstance, HWND hwnd);



	WAVEFORMATEX *GetAudioFormat();
	MP_RESULT     EmptyAudioBuffer();

	unsigned int  Decompress(void *buffer, unsigned int size);

};

#endif