videorenderer.h

《Visual C++视频/音频开发实用工程案例精选》一书的源代码

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#ifndef VIDEORENDERER_H
#define VIDEORENDERER_H

/*
 * 基类
 */

#include "VideoRendererOverlay.h"
#include "VideoRendererRGB.h"
#include "MediaClasses.h"

/*
 * 视频补偿器封装类
 */

class MediaVideoRenderer : public MediaItemVideoRenderer {

	MediaVideoRendererOverlay *overlayRenderer;
	MediaVideoRendererRGB     *rgbRenderer;
	MediaVideoRenderer        *renderer;

public:

	MediaVideoRenderer();
	~MediaVideoRenderer();

	/*
	 * 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);

	/*
	 * 视频补偿方法
	 */

	MP_RESULT Init(HWND hwnd, unsigned int width, unsigned int height, media_video_mode_t preferedMode);
	MP_RESULT InitFullscreen(HWND hwnd, unsigned int width, unsigned int height, media_video_mode_t preferedMode);

/*
 * 以下两个不使用
 */

	MP_RESULT Init(HWND hwnd, unsigned int width, unsigned int height);
	MP_RESULT InitFullscreen(HWND hwnd, unsigned int width, unsigned int height);

	media_video_mode_t GetVideoMode();
	MP_RESULT          Stop();
	RECT              *GetFullscreenRects(); 

	MP_RESULT Draw(MediaBuffer *buffer, RECT *rect, int frameNumber, int invertFlag);
	MP_RESULT DrawFullscreen(MediaBuffer *buffer, int frameNumber, int invertFlag, int desktopMode);

	MP_RESULT Close();
};

#endif