videodecoder.h

<VC++视频音频开发>一书的光盘资料。

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

#ifndef VIDEODECODER_H
#define VIDEODECODER_H

/*
 * 基类
 */

#include "VideoDecoderDecore.h"
#include "VideoDecoderVFW.h"
#include "MediaClasses.h"

/*
 * 视频解码器类
 */

class MediaVideoDecoder : public MediaItemVideoDecoder {

private:

	MediaItemVideoDecoder   *decoder;

public:

	MediaVideoDecoderDecore *decoreDecoder;
	MediaVideoDecoderVFW    *vfwDecoder;

	MediaVideoDecoder();
	~MediaVideoDecoder();

	/*
	 * 媒体项方法
	 */

	media_type_t  GetType();
	char         *GetName();

	MP_RESULT     Connect(MediaItem *item);
	MP_RESULT     ReleaseConnections();

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

	/*
	 * 视频解码器方法
	 *
	 */

	unsigned int       GetFrameSize();

	media_video_mode_t GetVideoMode();
	BOOL               GetInvertFlag();
	MP_RESULT          SetVideoMode(media_video_mode_t mode);

	MP_RESULT          SetQuality(DWORD quality);
	DWORD              GetQuality();

	MP_RESULT          Decompress(MediaBuffer *mb_out, unsigned int stride);
	MP_RESULT          Drop(MediaBuffer *mb_out, unsigned int stride);

};


#endif