-/*M///////////////////////////////////////////////////////////////////////////////////////
-//
-// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
-//
-// By downloading, copying, installing or using the software you agree to this license.
-// If you do not agree to this license, do not download, install,
-// copy or use the software.
-//
-//
-// Intel License Agreement
-// For Open Source Computer Vision Library
-//
-// Copyright (C) 2000, Intel Corporation, all rights reserved.
-// Third party copyrights are property of their respective owners.
-//
-// Redistribution and use in source and binary forms, with or without modification,
-// are permitted provided that the following conditions are met:
-//
-// * Redistribution's of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// * Redistribution's in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// * The name of Intel Corporation may not be used to endorse or promote products
-// derived from this software without specific prior written permission.
-//
-// This software is provided by the copyright holders and contributors "as is" and
-// any express or implied warranties, including, but not limited to, the implied
-// warranties of merchantability and fitness for a particular purpose are disclaimed.
-// In no event shall the Intel Corporation or contributors be liable for any direct,
-// indirect, incidental, special, exemplary, or consequential damages
-// (including, but not limited to, procurement of substitute goods or services;
-// loss of use, data, or profits; or business interruption) however caused
-// and on any theory of liability, whether in contract, strict liability,
-// or tort (including negligence or otherwise) arising in any way out of
-// the use of this software, even if advised of the possibility of such damage.
-//
-//M*/// Camera.cpp: implementation of the CCamera class.
-//
-//////////////////////////////////////////////////////////////////////
-
-#include "stdafx.h"
-#include "Camera.h"
-#include <assert.h>
-
-#ifdef _DEBUG
-#undef THIS_FILE
-static char THIS_FILE[]=__FILE__;
-#define new DEBUG_NEW
-#endif
-
-//////////////////////////////////////////////////////////////////////
-// Construction/Destruction
-//////////////////////////////////////////////////////////////////////
-
-CCamera::CCamera()
-{
- m_capWnd = 0;
- m_isRunning = false;
- m_hic = 0;
- m_fourcc = -1;
-}
-
-CCamera::~CCamera()
-{
- Uninitialize();
-}
-
-
-void CCamera::UpdateParent( bool whole )
-{
- HWND parent = GetParent( m_capWnd );
- RECT r = { 0, 0, 0, 0 };
- IplImage* img = m_frame.GetImage();
-
- if( img )
- {
- r.right = img->width;
- r.bottom = img->height;
- }
-
- InvalidateRect( parent, whole ? 0 : &r, whole );
- UpdateWindow( parent );
-}
-
-
-// Frame callback
-LRESULT PASCAL FrameCallbackProc( HWND hWnd, VIDEOHDR* hdr )
-{
- BITMAPINFO vfmt;
- CCamera* camera = (CCamera*)capGetUserData(hWnd);
- int sz;
-
- if (!hWnd) return FALSE;
- if (camera && !camera->IsRunning() ) return FALSE;
-
- sz = capGetVideoFormat( hWnd, &vfmt, sizeof(vfmt));
-
- if( hdr && hdr->lpData && sz != 0 && camera )
- camera->PutCompressedFrame( hdr, &vfmt );
-
- return (LRESULT)TRUE;
-}
-
-
-void CCamera::OnFrame()
-{
- UpdateParent(0);
-}
-
-void CCamera::PutCompressedFrame( VIDEOHDR* hdr, BITMAPINFO* vfmt )
-{
- long code = ICERR_OK;
- char* frame_data = (char*)hdr->lpData;
-
- if( vfmt->bmiHeader.biCompression != BI_RGB ||
- vfmt->bmiHeader.biBitCount != 24 )
- {
- BITMAPINFOHEADER& vfmt0 = vfmt->bmiHeader;
- BITMAPINFOHEADER vfmt1;
- code = ICERR_ERROR;
-
- memset( &vfmt1, 0, sizeof(vfmt1));
- vfmt1.biSize = sizeof(vfmt1);
- vfmt1.biWidth = vfmt0.biWidth;
- vfmt1.biHeight = vfmt0.biHeight;
- vfmt1.biBitCount = 24;
- vfmt1.biCompression = BI_RGB;
- vfmt1.biPlanes = 1;
-
- if( m_hic == 0 || m_fourcc != vfmt0.biCompression || m_frame.GetImage() == 0 ||
- vfmt0.biWidth != m_frame.GetImage()->width ||
- vfmt0.biHeight != m_frame.GetImage()->height )
- {
- if( m_hic )
- {
- ICDecompressEnd( m_hic );
- ICClose( m_hic );
- }
- m_hic = ICOpen( MAKEFOURCC('V','I','D','C'),
- vfmt0.biCompression, ICMODE_DECOMPRESS );
-
- if( m_hic && ICDecompressBegin( m_hic, &vfmt0, &vfmt1 ) == ICERR_OK )
- {
- m_frame.Create( vfmt0.biWidth, vfmt0.biHeight, 24 );
- m_frame.GetImage()->origin = IPL_ORIGIN_BL;
-
- code = ICDecompress( m_hic, 0, &vfmt0, hdr->lpData,
- &vfmt1, m_frame.GetImage()->imageData );
- }
- }
- }
- else
- {
- m_frame.Create( vfmt->bmiHeader.biWidth, vfmt->bmiHeader.biHeight, 24 );
- memcpy( m_frame.GetImage()->imageData, hdr->lpData, m_frame.GetImage()->imageSize );
- }
-
- /*m_frame.GetImage()->origin = IPL_ORIGIN_BL;*/
- cvFlip( m_frame.GetImage(), m_frame.GetImage(), 0 );
-
- OnFrame();
-}
-
-
-// Initialize camera input
-bool CCamera::Initialize( int width, int height, int format, HWND parent, int wIndex )
-{
- char szDeviceName[80];
- char szDeviceVersion[80];
- HWND hWndC = 0;
-
- if( (unsigned)wIndex < 10 )
- goto init_camera;
-
- for( wIndex = 0; wIndex < 10; wIndex++ )
- {
-init_camera:
- if( capGetDriverDescription( wIndex, szDeviceName,
- sizeof (szDeviceName), szDeviceVersion,
- sizeof (szDeviceVersion)))
- {
- hWndC = capCreateCaptureWindow ( "My Own Capture Window",
- WS_CHILD | WS_VISIBLE , 0, 0, 160, 120, parent, 0);
-
- if( capDriverConnect (hWndC, wIndex))
- {
- /*BITMAPINFO bmi;
-
- //capPreviewRate(hWndC, 66); // rate, in milliseconds
- memset( &bmi.bmiHeader, 0, sizeof(bmi.bmiHeader));
- bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
- bmi.bmiHeader.biBitCount = format == 0 ? 24 : 12;
- bmi.bmiHeader.biWidth = width;
- bmi.bmiHeader.biHeight = height;
- bmi.bmiHeader.biPlanes = 1;
- bmi.bmiHeader.biCompression = format;
- bmi.bmiHeader.biSizeImage = ((bmi.bmiHeader.biWidth*
- bmi.bmiHeader.biBitCount/8 + 3)&-4)*
- bmi.bmiHeader.biHeight;
- if( format == -1 || capSetVideoFormat( hWndC, &bmi, sizeof(bmi)-4)) break;
- capDriverDisconnect( hWndC );*/
- break;
- }
- DestroyWindow( hWndC );
- hWndC = 0;
- }
- }
-
- if( hWndC )
- {
- m_capWnd = hWndC;
-
- memset( &m_caps, 0, sizeof(m_caps));
- capDriverGetCaps( hWndC, &m_caps, sizeof(m_caps));
- capSetUserData( hWndC, (long)this );
- capSetCallbackOnFrame( m_capWnd, FrameCallbackProc );
- ::MoveWindow( m_capWnd, 0, 0, 1, 1, TRUE );
- CAPTUREPARMS p;
- capCaptureGetSetup(hWndC,&p,sizeof(CAPTUREPARMS));
- p.dwRequestMicroSecPerFrame = 1;
- capCaptureSetSetup(hWndC,&p,sizeof(CAPTUREPARMS));
- capPreviewScale(hWndC,FALSE);
- capPreviewRate(hWndC,1);
- }
- return m_capWnd != 0;
-}
-
-
-// Uninitialize camera input
-void CCamera::Uninitialize()
-{
- Stop();
- capSetCallbackOnFrame( m_capWnd, NULL );
- capDriverDisconnect( m_capWnd );
- DestroyWindow( m_capWnd );
-
- if( m_hic )
- {
- ICDecompressEnd( m_hic );
- ICClose( m_hic );
- m_hic = 0;
- }
-}
-
-// Start capture
-void CCamera::Start()
-{
- if( m_capWnd )
- {
- m_isRunning = true;
- }
-}
-
-// Stop capture
-void CCamera::Stop()
-{
- if( m_capWnd )
- {
- m_isRunning = false;
- }
-}
-
-
-void CCamera::VideoFormatDlg()
-{
- if( m_capWnd && m_caps.fHasDlgVideoFormat )
- {
- capDlgVideoFormat( m_capWnd );
- }
-}
-
-
-void CCamera::VideoSourceDlg()
-{
- if( m_capWnd && m_caps.fHasDlgVideoSource )
- {
- capDlgVideoSource( m_capWnd );
- }
-}
projects / opencv / blobdiff