www.pudn.com > MyPlayerbylqh.rar > AudioDecoderACM.h

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#ifndef AUDIO_DECODER_ACM_H 
#define AUDIO_DECODER_ACM_H 
 
#include "MediaClasses.h" 
#include "RingBuffer.h" 
 
/* 
 * ACM封装器类 
 * 
 */ 
 
#include  
#include  
#include  
#include  
#include  
#include  
 
class MediaAudioDecoderACM : public MediaItemAudioDecoder { 
 
private: 
 
	MediaItemDecaps *decaps; 
 
	HACMSTREAM       hacm; 
	ACMSTREAMHEADER  acmHeader; 
	DWORD            acm; 
	DWORD            acmLeft; 
	DWORD            acmInLeft; 
 
	DWORD			 outputSize; 
	DWORD            inputSize; 
 
	WAVEFORMATEX    *oFormat; 
	char            *in_buffer; 
	char            *out_buffer; 
 
	MediaRingBuffer *ring; 
 
public: 
 
	MediaAudioDecoderACM(); 
	~MediaAudioDecoderACM(); 
 
	/* 
	 * 媒体项函数（MediaItem Funcs） 
	 */ 
 
	media_type_t  GetType(); 
	char         *GetName(); 
	 
	MP_RESULT     Connect(MediaItem *item); 
	MP_RESULT     ReleaseConnections(); 
 
	DWORD         GetCaps(); 
	MP_RESULT     Configure(HINSTANCE hInstance, HWND hwnd); 
 
	/* 
	 * 声音解码器 
	 */ 
 
	WAVEFORMATEX *GetAudioFormat(); 
	MP_RESULT     EmptyAudioBuffer(); 
 
	unsigned int  Decompress(void *buffer, unsigned int size); 
 
}; 
 
#endif