[cpp]
/* 雷霄骅
* 中国传媒大学/数字电视技术
* leixiaohua1020@126.com
*
*/
// SimplePlayerDlg.h : header file
//
#if !defined(AFX_SIMPLEPLAYERDLG_H__3599FE35_3322_4CC7_B30B_6D6050C2EDFF__INCLUDED_)
#define AFX_SIMPLEPLAYERDLG_H__3599FE35_3322_4CC7_B30B_6D6050C2EDFF__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
/////////////////////////////////////////////////////////////////////////////
// CSimplePlayerDlg dialog
#include
#include "CDXGraph.h"
#define SLIDER_TIMER 100
class CSimplePlayerDlg : public CDialog
{
// Construction
public:
CSimplePlayerDlg(CWnd* pParent = NULL); // standard constructor
~CSimplePlayerDlg();
// Dialog Data
//{{AFX_DATA(CSimplePlayerDlg)
enum { IDD = IDD_SIMPLEPLAYER_DIALOG };
CSliderCtrl mSliderGraph;
CStatic mVideoWindow;
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CSimplePlayerDlg)
public:
virtual BOOL PreTranslateMessage(MSG* pMsg);
virtual BOOL DestroyWindow();
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
HICON m_hIcon;
CDXGraph * mFilterGraph; // Filter Graph封装
CString mSourceFile; // 源文件
UINT mSliderTimer; // 定时器ID
//创建Graph
void CreateGraph(void); // 创建Filter Graph
void DestroyGraph(void); // 析构Filter Graph
void RestoreFromFullScreen(void);
// Just for testing...
void ShowVRPropertyPage(void);
// Generated message map functions
//{{AFX_MSG(CSimplePlayerDlg)
virtual BOOL OnInitDialog();
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
//打开
afx_msg void OnButtonOpen();
//播放
afx_msg void OnButtonPlay();
//暂停
afx_msg void OnButtonPause();
//停止
afx_msg void OnButtonStop();
afx_msg void OnButtonGrab();
afx_msg void OnButtonFullscreen();
afx_msg BOOL OnEraseBkgnd(CDC* pDC);
afx_msg void OnTimer(UINT nIDEvent);
afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
afx_msg void OnButtonTest();
//}}AFX_MSG
afx_msg LRESULT OnGraphNotify(
WPARAM inWParam, LPARAM inLParam);
DECLARE_MESSAGE_MAP()
};
//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_SIMPLEPLAYERDLG_H__3599FE35_3322_4CC7_B30B_6D6050C2EDFF__INCLUDED_)
[cpp]
CDXGraph * mFilterGraph
接下来看看CSimplePlayerDlg函数的实现部分吧。
OnButtonOpen()：打开媒体文件按钮的响应函数
[cpp]
//打开
void CSimplePlayerDlg::OnButtonOpen()
{
// TODO: Add your control notification handler code here
CString strFilter = "AVI File (*.avi)|*.avi|";
strFilter += "MPEG File (*.mpg;*.mpeg)|*.mpg;*.m