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How to move the movie ??? What type of parameters to use with the send message : need i to give the top and left corner (as right and botton corner), or is ther a constante to translate the movie ? |
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I've tested some of my avi files and I've finded the following: If you want to know the MovieWindowSize of an .AVI file, you have to read the 32bit value at (decimal)offset 64 for the width, and the 32bit value at (decimal)offset 68 for the height. NOTE: I can't assure you that all the avi files have the dimension information at that offset, but mine yes! There is a BEEEEETTER way to retrieve information about avi files, and it's through API calls (here is a VisualBasic example taken from API-Guide that retrieves the AVI file window dimesions): Code: Private Const OF_SHARE_DENY_WRITE As Long = &H20 Private Type AVIFileInfo dwMaxBytesPerSec As Long dwFlags As Long dwCaps As Long dwStreams As Long dwSuggestedBufferSize As Long dwWidth As Long dwHeight As Long dwScale As Long dwRate As Long dwLength As Long dwEditCount As Long szFileType As String * 64 End Type Private Declare Function AVIFileOpen Lib "avifil32" Alias "AVIFileOpenA" (ppfile As Long, ByVal szFile As String, ByVal mode As Long, pclsidHandler As Any) As Long Private Declare Function AVIFileRelease Lib "avifil32" (ByVal pfile As Long) As Long Private Declare Function AVIFileInfo Lib "avifil32" Alias "AVIFileInfoA" (ByVal pfile As Long, pfi As AVIFileInfo, ByVal lSize As Long) As Long Private Declare Sub AVIFileInit Lib "avifil32" () Private Declare Sub AVIFileExit Lib "avifil32" () Private Sub Form_Load() 'KPD-Team 2001 'URL: http://www.allapi.net/ 'E-Mail: KPDTeam@Allapi.net Dim hFile As Long, AviInfo As AVIFileInfo 'initialize the AVIFile library AVIFileInit 'create a handle to the AVI file If AVIFileOpen(hFile, "C:\PATH\file_name.avi", OF_SHARE_DENY_WRITE, ByVal 0&) = 0 Then 'retrieve the AVI information If AVIFileInfo(hFile, AviInfo, Len(AviInfo)) = 0 Then MsgBox "AVI dimensions: " + CStr(AviInfo.dwWidth) + "x" + CStr(AviInfo.dwHeight) Else MsgBox "Error while retrieving AVI information... :(" End If 'release the file handle AVIFileRelease hFile Else MsgBox "Error while opening the AVI file... :(" End If 'exit the AVIFile library and decrement the reference count for the library AVIFileExit End Sub Here below is the code (that I made still for Visual Basic) I suggest you to use instead of any SendMessage call to BSplayer (note, the code may be defective, but to me works without problems): Code: Const SWP_ASYNCWINDOWPOS As Long = &H4000 Const SWP_DEFERERASE As Long = &H2000 Const SWP_FRAMECHANGED As Long = &H20 Const SWP_DRAWFRAME As Long = SWP_FRAMECHANGED Const SWP_HIDEWINDOW As Long = &H80 Const SWP_NOACTIVATE As Long = &H10 Const SWP_NOCOPYBITS As Long = &H100 Const SWP_NOMOVE As Long = &H2 Const SWP_NOOWNERZORDER As Long = &H200 Const SWP_NOREDRAW As Long = &H8 Const SWP_NOREPOSITION As Long = SWP_NOOWNERZORDER Const SWP_NOSENDCHANGING As Long = &H400 Const SWP_NOSIZE As Long = &H1 Const SWP_NOZORDER As Long = &H4 Const SWP_SHOWWINDOW As Long = &H40 Const HWND_BOTTOM As Long = 1 Const HWND_TOP As Long = 0 Const HWND_TOPMOST As Long = -1 Const HWND_NOTOPMOST As Long = -2 Private Declare Sub SetWindowPos Lib "user32" (ByVal hWnd As Long, ByVal hWndInsertAfter As Long, ByVal X As Long, ByVal Y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) Private Type RECT Left As Long Top As Long Right As Long Bottom As Long End Type Private Declare Function GetWindowRect Lib "user32" (ByVal hWnd As Long, lpRect As RECT) As Long Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long Dim Rec As RECT Dim ParentHwnd As Long Dim AspectRatio As Single 'If you click on Button "Command1" Private Sub Command1_Click() 'Retrieve the handle of the MovieWindo ParentHwnd = FindWindow("TBSForm", "BForm") 'If the MovieWindow exists If ParentHwnd <> 0 Then 'Retrieve the MovieWindowSize GetWindowRect ParentHwnd, Rec 'Calculate the AspectRatio of the current MovieWindow AspectRatio = Round((Rec.Right - Rec.Left) / (Rec.Bottom - Rec.Top), 3) 'Resize the MovieWindow SetWindowPos ParentHwnd, HWND_TOPMOST, 0, 0, 800, Int(800 / AspectRatio), SWP_NOACTIVATE Or SWP_NOMOVE 'Get the new MovieWindowSize GetWindowRect ParentHwnd, Rec 'Display the current MovieWindowSize in the caption of the Button "Command1" Command1.Caption = (Rec.Right - Rec.Left) & " x " & (Rec.Bottom - Rec.Top) End If End Sub That means that if the movie window was 640x480, after the resizing it will be 800x600! With this code the movie window will not be moved, if you want also to move the window, you have to delete the Or SWP_NOMOVE string from the SetWindowPos call! I hope that finally this could help you :D
__________________ BSP SkinMaker (v1.07) the one and only Skin Editor for BSplayer BSP Definitions Manager (v1.02) BS.Player's FAQ (by BSPeter) | Italian language file (v2.57 build 1051) |
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Since BSplayer build 818 comes out, MovieWindow name and class changed, so the code has to be modified as follow: Code: ..... 'If you click on Button "Command1" Private Sub Command1_Click() 'Retrieve the handle of the MovieWindo ParentHwnd = FindWindow("BSPVideoWindow", "VideoWindow") 'If the MovieWindow exists If ParentHwnd <> 0 Then .....
__________________ BSP SkinMaker (v1.07) the one and only Skin Editor for BSplayer BSP Definitions Manager (v1.02) BS.Player's FAQ (by BSPeter) | Italian language file (v2.57 build 1051) |
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