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contrib/vtkWin32VideoSource.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkWin32VideoSource.h,v $
00005   Language:  C++
00006 
00007 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00053 #ifndef __vtkWin32VideoSource_h
00054 #define __vtkWin32VideoSource_h
00055 
00056 #include "vtkVideoSource.h"
00057 #include <windows.h>
00058 #include <winuser.h>
00059 #include <vfw.h>
00060 
00061 class VTK_EXPORT vtkWin32VideoSource : public vtkVideoSource
00062 {
00063 public:
00064   static vtkWin32VideoSource *New();
00065   vtkTypeMacro(vtkWin32VideoSource,vtkVideoSource);
00066   void PrintSelf(ostream& os, vtkIndent indent);   
00067 
00069   void Initialize();
00070   void ReleaseSystemResources();
00071 
00072   void Grab(int n);
00073   void Grab() { this->Grab(1); };
00074   void Play();
00075   void Stop();
00076 
00077   void SetFrameSize(int x, int y, int z);
00078   
00079   void SetFrameRate(float rate);
00080 
00081   void SetOutputFormat(int format);
00082 
00084   void VideoFormatDialog();
00085 
00087   void VideoSourceDialog();
00088 
00090   void InternalGrab(LPVIDEOHDR VideoHdrPtr);
00091 
00092 protected:
00093   vtkWin32VideoSource();
00094   ~vtkWin32VideoSource();
00095   vtkWin32VideoSource(const vtkWin32VideoSource&) {};
00096   void operator=(const vtkWin32VideoSource&) {};
00097 
00098   char WndClassName[16];
00099   HWND CapWnd;
00100   HWND ParentWnd;
00101   CAPSTATUS CapStatus;
00102   CAPDRIVERCAPS CapDriverCaps;
00103   CAPTUREPARMS CaptureParms;
00104   LPBITMAPINFO BitMapPtr;
00105   int BitMapSize;
00106 
00107   int FatalVFWError;
00108 
00109   void CheckBuffer();
00110   void UnpackRasterLine(char *outptr, char *inptr, 
00111          int start, int count);
00112 
00113   void DoVFWFormatSetup();
00114   void DoVFWFormatCheck();
00115 };
00116 
00117 #endif
00118 
00119 
00120 
00121 
00122 

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