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

/************************************************************************************** 
 *                                                                                    * 
 *                                                                                    * 
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#ifndef MEDIA_PLAYBACK_H 
#define MEDIA_PLAYBACK_H 
 
#include  
 
#include "Input.h" 
#include "Decaps.h" 
#include "MediaBuffer.h" 
#include "VideoDecoder.h" 
#include "VideoBuffer.h" 
#include "VideoRenderer.h" 
#include "AudioDecoder.h" 
#include "AudioRenderer.h" 
#include "MediaClasses.h" 
#include "Subtitles.h" 
 
#define  WM_PLAYA_PLAYBACK_END (WM_USER + 2) 
 
/* 
 * Playback Class  
 * -------------- 
 *  
 *  ——为所有媒体类中的项和过滤器提供一个前端处理 
 *  
 */ 
 
class MediaPlayback { 
 
public: 
 
	MediaInput         *input; 
	MediaDecaps        *decaps; 
	MediaVideoDecoder  *videoDecoder; 
	MediaVideoBuffer   *videoBuffer; 
	MediaVideoRenderer *videoRenderer; 
	MediaAudioDecoder  *audioDecoder; 
	MediaAudioRenderer *audioRenderer; 
	MediaSubtitler     *subtitler; 
 
	HWND                hwndPlayback; 
	RECT               *videoRect; 
 
	BOOL                hasVideo; 
	BOOL                hasAudio; 
	BOOL                hasSubtitles; 
 
	BOOL                playing; 
	BOOL                paused; 
	BOOL                rewind; 
	BOOL                fastForward; 
	BOOL                fullscreen; 
	BOOL                desktopMode; 
 
	BOOL                end; 
	BOOL                buffering; 
	BOOL                hasToBuffer; 
	DWORD               bufferingProgress; 
 
	DWORD               loop; 
	DWORD               baseTime; 
	DWORD               stopTime; 
	DWORD               volume; 
 
	HANDLE              playbackMutex; 
	HANDLE              videoThread; 
	DWORD               videoThreadId; 
 
	DWORD               videoFrames; 
	DWORD               audioBytes; 
 
	char                filename[512]; 
 
 
 
	MediaPlayback(); 
	~MediaPlayback(); 
 
	MP_RESULT     OpenMedia(char *lpFilename, HWND hwndPlayback); 
 
	MP_RESULT     OpenMediaSource(char *lpFilename); 
	MP_RESULT     OpenMediaFromSource(HWND hwnd); 
 
	BOOL          HasVideo(); 
	BOOL          HasAudio(); 
 
	char         *GetFilename(); 
 
	unsigned int  GetVideoWidth(); 
	unsigned int  GetVideoHeight(); 
	unsigned long GetVideoTime(); 
	unsigned long GetAudioTime(); 
	double        GetPlaybackProgress(); 
	unsigned int  GetActualTime(); 
	unsigned int  GetTotalTime(); 
	double        GetCurrentFps(); 
 
	BOOL          IsPaused(); 
	BOOL          IsPlaying(); 
	BOOL          IsInFullscreen(); 
	BOOL          IsOverlay(); 
 
	BOOL          IsBuffering(); 
	DWORD         GetBufferingProgress(); 
	MP_RESULT     UpdateBuffering(); 
 
	MP_RESULT     FlipToGDI(); 
 
	MP_RESULT     Play(); 
	MP_RESULT     Pause(); 
	MP_RESULT     NextFrame(); 
	MP_RESULT     Stop(int redrawWindow); 
	MP_RESULT     Close(); 
	MP_RESULT     FastForward(); 
	MP_RESULT     Rewind(); 
 
	MP_RESULT     Seek(int percent); 
	MP_RESULT     MaintainImage(); 
 
	MP_RESULT     SetDesktopMode(BOOL on); 
	MP_RESULT     SetVideoRect(RECT *rect); 
	MP_RESULT     SetFullscreen(int active, HWND hwnd); 
	MP_RESULT     SetVolume(int volume); 
	MP_RESULT     SetLoop(int loop); 
}; 
 
#endif