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VIDEOPLAYERDLG.CPP
资源名称：vcavi.rar　[点击查看]
上传用户：shonly
上传日期：2022-06-05
资源大小：1939k
文件大小：9k
源码类别：

多媒体

开发平台：

Visual C++

VIDEOPLAYERDLG.CPP：源码内容
  1. // VideoPlayerDlg.cpp : implementation file
  2. //
  4. #include "stdafx.h"
  5. #include "VideoPlayer.h"
  6. #include "VideoPlayerDlg.h"
  7. #include "infodlg.h"
  8. #include "Digitalvideo.h"
  10. #ifdef _DEBUG
  11. #define new DEBUG_NEW
  12. #undef THIS_FILE
  13. static char THIS_FILE[] = __FILE__;
  14. #endif
  16. /////////////////////////////////////////////////////////////////////////////
  17. // CAboutDlg dialog used for App About
  19. class CAboutDlg : public CDialog
  20. {
  21. public:
  22. CAboutDlg();
  24. // Dialog Data
  25. //{{AFX_DATA(CAboutDlg)
  26. enum { IDD = IDD_ABOUTBOX };
  27. //}}AFX_DATA
  29. // ClassWizard generated virtual function overrides
  30. //{{AFX_VIRTUAL(CAboutDlg)
  31. protected:
  32. virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
  33. //}}AFX_VIRTUAL
  35. // Implementation
  36. protected:
  37. //{{AFX_MSG(CAboutDlg)
  38. //}}AFX_MSG
  39. DECLARE_MESSAGE_MAP()
  40. };
  42. CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
  43. {
  44. //{{AFX_DATA_INIT(CAboutDlg)
  45. //}}AFX_DATA_INIT
  46. }
  48. void CAboutDlg::DoDataExchange(CDataExchange* pDX)
  49. {
  50. CDialog::DoDataExchange(pDX);
  51. //{{AFX_DATA_MAP(CAboutDlg)
  52. //}}AFX_DATA_MAP
  53. }
  55. BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
  56. //{{AFX_MSG_MAP(CAboutDlg)
  57. // No message handlers
  58. //}}AFX_MSG_MAP
  59. END_MESSAGE_MAP()
  61. /////////////////////////////////////////////////////////////////////////////
  62. // CVideoPlayerDlg dialog
  64. CVideoPlayerDlg::CVideoPlayerDlg(CWnd* pParent /*=NULL*/)
  65. : CDialog(CVideoPlayerDlg::IDD, pParent)
  66. {
  67. m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
  68. m_Open = FALSE;
  69. m_Loop = FALSE;
  70. m_FullScreen = FALSE;
  71. m_Sound = TRUE;
  72. m_flag = 0;
  73. m_str = "";
  74. }
  76. void CVideoPlayerDlg::DoDataExchange(CDataExchange* pDX)
  77. {
  78. CDialog::DoDataExchange(pDX);
  79. //{{AFX_DATA_MAP(CVideoPlayerDlg)
  80. DDX_Control(pDX, IDC_SCROLLBAR, m_displaybar);
  81. //}}AFX_DATA_MAP
  82. }
  84. BEGIN_MESSAGE_MAP(CVideoPlayerDlg, CDialog)
  85. //{{AFX_MSG_MAP(CVideoPlayerDlg)
  86. ON_WM_SYSCOMMAND()
  87. ON_WM_PAINT()
  88. ON_WM_QUERYDRAGICON()
  89. ON_BN_CLICKED(IDC_OPEN, OnOpen)
  90. ON_BN_CLICKED(IDC_INFORMATION, OnInformation)
  91. ON_BN_CLICKED(IDC_STOP, OnStop)
  92. ON_BN_CLICKED(IDC_PAUSE, OnPause)
  93. ON_BN_CLICKED(IDC_PLAY, OnPlay)
  94. ON_BN_CLICKED(IDC_NEXT, OnNext)
  95. ON_BN_CLICKED(IDC_PREV, OnPrev)
  96. ON_WM_TIMER()
  97. ON_COMMAND(IDC_LOOP, OnLoop)
  98. ON_COMMAND(IDC_FULLSCREEN, OnFullscreen)
  99. ON_WM_HSCROLL()
  100. ON_WM_LBUTTONDBLCLK()
  101. ON_BN_CLICKED(IDC_CLOSE, OnClose)
  102. //}}AFX_MSG_MAP
  103. END_MESSAGE_MAP()
  105. /////////////////////////////////////////////////////////////////////////////
  106. // CVideoPlayerDlg message handlers
  108. BOOL CVideoPlayerDlg::OnInitDialog()
  109. {
  110. CDialog::OnInitDialog();
  111. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
  112. ASSERT(IDM_ABOUTBOX < 0xF000);
  114. CMenu* pSysMenu = GetSystemMenu(FALSE);
  115. if (pSysMenu != NULL)
  116. {
  117. CString strAboutMenu;
  118. strAboutMenu.LoadString(IDS_ABOUTBOX);
  119. if (!strAboutMenu.IsEmpty())
  120. {
  121. pSysMenu->AppendMenu(MF_SEPARATOR);
  122. pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
  123. }
  124. }
  125. //初始化滚动条
  126. m_displaybar.SetScrollRange(1,100);
  127. m_displaybar.SetScrollPos(1);
  128. // Set the icon for this dialog.  The framework does this automatically
  129. //  when the application's main window is not a dialog
  130. SetIcon(m_hIcon, FALSE); // Set small icon
  131. // TODO: Add extra initialization here
  132. //创建用于显示动画的对话框窗口,但是还不用显示
  133.     Display = new CDialog;
  134.     Display->Create(IDD_DISPLAY);
  135. SetTimer(1,100,NULL);
  136. return TRUE;  // return TRUE  unless you set the focus to a control
  137. }
  139. void CVideoPlayerDlg::OnSysCommand(UINT nID, LPARAM lParam)
  140. {
  141. if ((nID & 0xFFF0) == IDM_ABOUTBOX)
  142. {
  143. CAboutDlg dlgAbout;
  144. dlgAbout.DoModal();
  145. }
  146. else
  147. {
  148. CDialog::OnSysCommand(nID, lParam);
  149. }
  150. }
  151. void CVideoPlayerDlg::OnPaint() 
  152. {
  153. if (IsIconic())//最小化
  154. {
  155. CPaintDC dc(this); // device context for painting
  156. SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
  157. // Center icon in client rectangle
  158. int xIcon = GetSystemMetrics(SM_CXICON);
  159. int yIcon = GetSystemMetrics(SM_CYICON);
  160. CRect rect;
  161. GetClientRect(&rect);
  162. int x = (rect.Width() - xIcon + 1) / 2;
  163. int y = (rect.Height() - yIcon + 1) / 2;
  164. }
  165. else
  166. {
  167. CDialog::OnPaint();
  168. }
  169. }
  170. HCURSOR CVideoPlayerDlg::OnQueryDragIcon()
  171. {
  172. return (HCURSOR) m_hIcon;
  173. }
  174. void CVideoPlayerDlg::OnOpen() 
  175. {
  176. // TODO: Add your control notification handler code here
  177. if(m_Open)
  178. {
  179. AfxMessageBox("请在打开视频文件前先关闭原来的文件");
  180. m_Video.Pause();
  181. return;
  182. }
  183. CString Filter,str;
  184. Filter = "视频文件 (*.AVI)|*.AVI||";
  185. //得到窗口尺寸
  186. CRect rect,itemrect;
  187. this->GetWindowRect(rect);
  188. CFileDialog FileDlg (TRUE, NULL, NULL, OFN_HIDEREADONLY, Filter);
  189. if (FileDlg.DoModal () == IDOK)//单击文件选择对话框的"确定"按钮
  190. {
  191.     CWnd *m_wnd=GetDlgItem(IDC_DISPLAYBOX);
  192. m_wnd->GetWindowRect(itemrect);
  193.     if (!m_Video.Open(FileDlg.GetPathName(),m_wnd,0,0,
  194. itemrect.Width(),itemrect.Height()))//打开视频文件
  195. {
  196.          MessageBox ("无法打开该文件!", "Error", MB_OK | MB_ICONSTOP);
  197.          return;
  198. }
  199. m_str = FileDlg.GetFileName();
  200. m_Video.SetSpeed(1020);
  201.     m_Open=TRUE;
  202. }
  203. }
  204. void CVideoPlayerDlg::OnStop() 
  205. {
  206. m_Video.Stop();
  207. }
  208. void CVideoPlayerDlg::OnPause() 
  209. {
  210. m_Video.Pause();
  211. }
  212. void CVideoPlayerDlg::OnPlay() 
  213. {
  214. m_Video.Play(m_Loop,m_FullScreen);
  215. }
  217. void CVideoPlayerDlg::OnNext() 
  218. {
  219. m_Video.Forward(1);
  220. m_displaybar.SetScrollPos(m_Video.GetFrame()*100/m_Video.GetFrames());
  221. }
  223. void CVideoPlayerDlg::OnPrev() 
  224. {
  225. m_Video.Backward(1);
  226. m_displaybar.SetScrollPos(m_Video.GetFrame()*100/m_Video.GetFrames());
  227. }
  228. void CVideoPlayerDlg::OnTimer(UINT nIDEvent) 
  229. {
  230. // TODO: Add your message handler code here and/or call default
  231. CWnd *m_Wnd=GetDlgItem(IDC_PLAY);
  232. m_Wnd->EnableWindow(m_Open);//如果m_Open为真
  233. m_Wnd=GetDlgItem(IDC_PAUSE);
  234. m_Wnd->EnableWindow(m_Open);
  235. m_Wnd=GetDlgItem(IDC_STOP);
  236. m_Wnd->EnableWindow(m_Open);
  237. m_Wnd=GetDlgItem(IDC_NEXT);
  238. m_Wnd->EnableWindow(m_Open);
  239. m_Wnd=GetDlgItem(IDC_LAST);
  240. m_Wnd->EnableWindow(m_Open);
  241. if(m_Open)
  242. {
  243. CString Info;
  244. Info.Format("当前播放第 -- %d -- 帧",m_Video.GetFrame());
  245. if(!m_Video.GetPause()){
  246. int frame;
  247. frame = (m_Video.GetFrame()*100)/m_Video.GetFrames();
  248.     m_displaybar.SetScrollPos(frame);
  249. }
  250. m_Wnd = GetDlgItem(IDC_DISPLAY);
  251. CClientDC dc(m_Wnd);
  252. //
  253. CRect rect;
  254. CBrush brush(RGB(255,255,255)),*OldBrush;
  255. OldBrush=(CBrush *)dc.SelectObject(brush);
  257. m_Wnd->GetClientRect(rect);
  258. dc.SetTextColor(RGB(255,0,0));
  259. dc.SetBkColor(RGB(255,255,255));
  260. dc.FillRect(rect,&brush);
  261. CSize size=dc.GetTextExtent(Info);
  262. dc.TextOut((rect.Width()-size.cx)/2,(rect.Height()-size.cy)/2,Info);
  263. dc.SelectObject(&OldBrush);
  264.  }
  265. CDialog::OnTimer(nIDEvent);
  266. }
  267. void CVideoPlayerDlg::OnLoop() 
  268. {
  269. // TODO: Add your command handler code here
  270. m_Loop=!m_Loop;
  271. }
  272. void CVideoPlayerDlg::OnSound() 
  273. {
  274. // TODO: Add your command handler code here
  275. m_Sound=!m_Sound;
  276. }
  277. void CVideoPlayerDlg::OnFullscreen() 
  278. {
  279. // TODO: Add your command handler code here
  280. m_FullScreen=!m_FullScreen;
  281. }
  282. void CVideoPlayerDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScroll) 
  283. {
  284. int frame;
  285. switch(nSBCode)
  286. {
  287. case SB_THUMBPOSITION://拖动滑动块
  288. pScroll->SetScrollPos(nPos);
  289. if(m_Open){
  290.      m_Video.Pause();
  291. frame = (nPos*m_Video.GetFrames())/100;
  292. m_Video.SeekTo(frame);
  293. pScroll->SetScrollPos(nPos);
  294. }
  295. break;
  296. case SB_LINELEFT:
  297. frame = 100/m_Video.GetFrames();
  298. if(frame<=1)frame =1;
  299. pScroll->SetScrollPos(pScroll->GetScrollPos()-frame);
  300. if(m_Open){
  301.      m_Video.Pause();
  302. frame = (pScroll->GetScrollPos()*m_Video.GetFrames())/100;
  303. m_Video.SeekTo(frame);
  304. }
  305. break;
  306. case SB_LINERIGHT:
  307. frame = 100/m_Video.GetFrames();
  308. if(frame<=1)frame =1;
  309. pScroll->SetScrollPos(pScroll->GetScrollPos()+frame);
  310. if(m_Open){
  311.      m_Video.Pause();
  312. frame = (pScroll->GetScrollPos()*m_Video.GetFrames())/100;
  313. m_Video.SeekTo(frame);
  314. m_Video.Play();
  315. }
  316. break;
  317. case SB_THUMBTRACK:
  318. {
  319. pScroll->SetScrollPos(nPos);
  320. m_Video.Pause();
  321. break;
  322. }
  323. case SB_PAGELEFT:
  324. {
  325. int pos = pScroll->GetScrollPos();
  326. frame = 5*100/m_Video.GetFrames();
  327. if(frame<=1)frame =1;
  328. pScroll->SetScrollPos(pScroll->GetScrollPos()-frame);
  329. if(m_Open){
  330.      m_Video.Pause();
  331. frame = (pScroll->GetScrollPos()*m_Video.GetFrames())/100;
  332. m_Video.SeekTo(frame);
  333. }
  334. break;
  335. }
  336. case SB_PAGERIGHT:
  337. {
  338. int pos = pScroll->GetScrollPos();
  339. frame = 5*100/m_Video.GetFrames();
  340. if(frame<=1)frame =1;
  341. pScroll->SetScrollPos(pScroll->GetScrollPos()+frame);
  342. if(m_Open){
  343.      m_Video.Pause();
  344. frame = (pScroll->GetScrollPos()*m_Video.GetFrames())/100;
  345. m_Video.SeekTo(frame);
  346. }
  347. break;
  348. }
  349. default :
  350. break;
  351. }
  352. CDialog::OnHScroll(nSBCode, nPos, pScroll);
  353. }
  354. void CVideoPlayerDlg::OnInformation() 
  355. {
  356. if(!m_Open){
  357. AfxMessageBox("当前没有视频文件");
  358. return ;
  359. }
  360. Cinfodlg dlg;
  361. CString str;
  362. str.Format("%d 帧/分",m_Video.GetSpeed());
  363. dlg.m_strspeed = str;
  364. str.Format("%d 帧",m_Video.GetFrames());
  365. dlg.m_strframe = str;
  366. str.Format("宽 %d 高 %d",m_Video.GetWidth(),m_Video.GetHeight());
  367. dlg.m_strrect  = str;
  368. //SetDlgItemText(IDC_FRAMES,str);
  369. SetDlgItemText(IDC_PLAY_SOUND,str);
  370. dlg.m_strname  = m_str;
  371. dlg.DoModal();
  372. }
  373. void CVideoPlayerDlg::OnClose() 
  374. {
  375. m_Video.Close();
  376. m_Open = 0;
  377. }