+++ /dev/null
-/*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*/
-#include <windows.h>
-#include <cvstreams.h>
-#include <initguid.h>
-#include <olectl.h>
-#include <math.h>
-#if (1100 > _MSC_VER)
-#include <olectlid.h>
-#endif
-#include <assert.h>
-#include "CamShiftUIDs.h"
-#include "CV.hpp"
-#include "iCamShift.h"
-#include "CamShiftProp.h"
-#include "CamShiftF.h"
-#include "resource.h"
-
-// setup data
-
-const AMOVIESETUP_MEDIATYPE sudPinTypes =
-{
- &MEDIATYPE_Video, // Major type
- &MEDIASUBTYPE_NULL // Minor type
-};
-
-const AMOVIESETUP_PIN psudPins[] =
-{
- {
- L"Input", // String pin name
- FALSE, // Is it rendered
- FALSE, // Is it an output
- FALSE, // Allowed none
- FALSE, // Allowed many
- &CLSID_NULL, // Connects to filter
- L"Output", // Connects to pin
- 1, // Number of types
- &sudPinTypes }, // The pin details
- { L"Output", // String pin name
- FALSE, // Is it rendered
- TRUE, // Is it an output
- FALSE, // Allowed none
- FALSE, // Allowed many
- &CLSID_NULL, // Connects to filter
- L"Input", // Connects to pin
- 1, // Number of types
- &sudPinTypes // The pin details
- }
-};
-
-
-const AMOVIESETUP_FILTER sudCamShift =
-{
- &CLSID_CamShift, // Filter CLSID
- L"CamShift", // Filter name
- MERIT_DO_NOT_USE, // Its merit
- 2, // Number of pins
- psudPins // Pin details
-};
-
-
-// List of class IDs and creator functions for the class factory. This
-// provides the link between the OLE entry point in the DLL and an object
-// being created. The class factory will call the static CreateInstance
-
-CFactoryTemplate g_Templates[2] = {
-
- { L"CamShift"
- , &CLSID_CamShift
- , CCamShiftF::CreateInstance
- , NULL
- , &sudCamShift }
- ,
- { L"CamShift Property Page"
- , &CLSID_CamShiftPropertyPage
- , CCamShiftProperties::CreateInstance }
-};
-int g_cTemplates = sizeof(g_Templates) / sizeof(g_Templates[0]);
-
-
-//
-// Constructor
-//
-CCamShiftF::CCamShiftF(TCHAR *tszName,LPUNKNOWN punk,HRESULT *phr) :
- CTransformFilter(tszName, punk, CLSID_CamShift)
-{
- m_params.x = 0.4f;
- m_params.y = 0.3f;
- m_params.width = 0.2f;
- m_params.height = 0.3f;
-
- m_params.Smin = 20;
- m_params.Vmin = 40;
- m_params.Vmax = 255;
- m_params.bins = 20;
- m_params.view = 0;
- m_params.threshold = 0;
-
- IsTracking = false;
- IsInit = false;
-} // CamShift
-
-
-//
-// CreateInstance
-//
-// Provide the way for COM to create a CCamShift object
-//
-CUnknown * WINAPI CCamShiftF::CreateInstance(LPUNKNOWN punk, HRESULT *phr) {
-
- CCamShiftF *pNewObject = new CCamShiftF(NAME("CamShift"), punk, phr);
- if (pNewObject == NULL) {
- *phr = E_OUTOFMEMORY;
- }
- return pNewObject;
-
-} // CreateInstance
-
-
-//
-// NonDelegatingQueryInterface
-//
-// Reveals ICamShift and ISpecifyPropertyPages
-//
-STDMETHODIMP CCamShiftF::NonDelegatingQueryInterface(REFIID riid, void **ppv)
-{
- CheckPointer(ppv,E_POINTER);
-
- if (riid == IID_ICamShift) {
- return GetInterface((ICamShift *) this, ppv);
- } else if (riid == IID_ISpecifyPropertyPages) {
- return GetInterface((ISpecifyPropertyPages *) this, ppv);
- } else {
- return CTransformFilter::NonDelegatingQueryInterface(riid, ppv);
- }
-
-} // NonDelegatingQueryInterface
-
-
-//
-// Transform
-//
-// Copy the input sample into the output sample
-// Then transform the output sample 'in place'
-//
-HRESULT CCamShiftF::Transform(IMediaSample *pIn, IMediaSample *pOut)
-{
- HRESULT hr = Copy(pIn, pOut);
- if (FAILED(hr)) {
- return hr;
- }
- return Transform(pOut);
-
-} // Transform
-
-
-//
-// Copy
-//
-// Make destination an identical copy of source
-//
-HRESULT CCamShiftF::Copy(IMediaSample *pSource, IMediaSample *pDest) const
-{
- // Copy the sample data
-
- BYTE *pSourceBuffer, *pDestBuffer;
- long lSourceSize = pSource->GetActualDataLength();
- long lDestSize = pDest->GetSize();
-
- ASSERT(lDestSize >= lSourceSize);
-
- pSource->GetPointer(&pSourceBuffer);
- pDest->GetPointer(&pDestBuffer);
-
- CopyMemory( (PVOID) pDestBuffer,(PVOID) pSourceBuffer,lSourceSize);
-
- // Copy the sample times
-
- REFERENCE_TIME TimeStart, TimeEnd;
- if (NOERROR == pSource->GetTime(&TimeStart, &TimeEnd)) {
- pDest->SetTime(&TimeStart, &TimeEnd);
- }
-
- LONGLONG MediaStart, MediaEnd;
- if (pSource->GetMediaTime(&MediaStart,&MediaEnd) == NOERROR) {
- pDest->SetMediaTime(&MediaStart,&MediaEnd);
- }
-
- // Copy the Sync point property
-
- HRESULT hr = pSource->IsSyncPoint();
- if (hr == S_OK) {
- pDest->SetSyncPoint(TRUE);
- }
- else if (hr == S_FALSE) {
- pDest->SetSyncPoint(FALSE);
- }
- else { // an unexpected error has occured...
- return E_UNEXPECTED;
- }
-
- // Copy the media type
-
- AM_MEDIA_TYPE *pMediaType;
- pSource->GetMediaType(&pMediaType);
- pDest->SetMediaType(pMediaType);
- DeleteMediaType(pMediaType);
-
- // Copy the preroll property
-
- hr = pSource->IsPreroll();
- if (hr == S_OK) {
- pDest->SetPreroll(TRUE);
- }
- else if (hr == S_FALSE) {
- pDest->SetPreroll(FALSE);
- }
- else { // an unexpected error has occured...
- return E_UNEXPECTED;
- }
-
- // Copy the discontinuity property
-
- hr = pSource->IsDiscontinuity();
- if (hr == S_OK) {
- pDest->SetDiscontinuity(TRUE);
- }
- else if (hr == S_FALSE) {
- pDest->SetDiscontinuity(FALSE);
- }
- else { // an unexpected error has occured...
- return E_UNEXPECTED;
- }
-
- // Copy the actual data length
-
- long lDataLength = pSource->GetActualDataLength();
- pDest->SetActualDataLength(lDataLength);
- return NOERROR;
-
-} // Copy
-
-
-void CCamShiftF::ApplyCamShift( IplImage* image, bool initialize )
-{
- CvSize size;
- int bins = m_params.bins;
-
- m_cCamShift.set_hist_dims( 1, &bins );
- m_cCamShift.set_hist_bin_range( 0, 0, 180 );
- m_cCamShift.set_threshold( 0 );
- m_cCamShift.set_min_ch_val( 1, m_params.Smin );
- m_cCamShift.set_max_ch_val( 1, 255 );
- m_cCamShift.set_min_ch_val( 2, m_params.Vmin );
- m_cCamShift.set_max_ch_val( 2, m_params.Vmax );
-
- cvGetImageRawData( image, 0, 0, &size );
-
- if( m_object.x < 0 ) m_object.x = 0;
- if( m_object.x > size.width - m_object.width - 1 )
- m_object.x = MAX(0, size.width - m_object.width - 1);
-
- if( m_object.y < 0 ) m_object.y = 0;
- if( m_object.y > size.height - m_object.height - 1 )
- m_object.y = MAX(0, size.height - m_object.height - 1);
-
- if( m_object.width > size.width - m_object.x )
- m_object.width = MIN(size.width, size.width - m_object.x);
-
- if( m_object.height > size.height - m_object.y )
- m_object.height = MIN(size.height, size.height - m_object.y);
-
- m_cCamShift.set_window(m_object);
-
- if( initialize )
- {
- m_cCamShift.reset_histogram();
- m_cCamShift.update_histogram( image );
- }
-
- m_cCamShift.track_object( image );
- m_object = m_cCamShift.get_window();
-}
-
-
-void CCamShiftF::CheckBackProject( IplImage* image )
-{
- if( m_params.view == 1 )
- {
- IplImage* src = m_cCamShift.get_back_project();
- if( src && src->imageData && image )
- {
- cvCvtColor( src, image, CV_GRAY2BGR );
- }
- }
- else if( m_params.view == 2 && IsTracking )
- {
- int i, dims;
- CvSize size;
-
- m_cCamShift.get_hist_dims( &dims );
- cvGetImageRawData( image, 0, 0, &size );
-
- for( i = 0; i < dims; i++ )
- {
- int val = cvRound(m_cCamShift.query(&i));
- CvPoint p[4];
-
- p[0].x = p[1].x = i*size.width/(2*dims);
- p[2].x = p[3].x = (i+1)*size.width/(2*dims);
-
- p[1].y = p[2].y = 0;
- p[0].y = p[3].y = (val*size.height)/(3*255);
-
- cvFillConvexPoly( image, p, 4, CV_RGB(255,0,0));
- }
- }
-}
-
-
-void CCamShiftF::DrawCross( IplImage* image )
-{
- float cs = (float)cos( m_cCamShift.get_orientation() );
- float sn = (float)sin( m_cCamShift.get_orientation() );
-
- int x = m_object.x + m_object.width / 2;
- int y = m_object.y + m_object.height / 2;
-
- CvPoint p1 = {(int)(x + m_cCamShift.get_length() * cs / 2),
- (int)(y + m_cCamShift.get_length() * sn / 2)};
- CvPoint p2 = {(int)(x - m_cCamShift.get_length() * cs / 2),
- (int)(y - m_cCamShift.get_length() * sn / 2)};
- CvPoint p3 = {(int)(x + m_cCamShift.get_width() * sn / 2),
- (int)(y - m_cCamShift.get_width() * cs / 2)};
- CvPoint p4 = {(int)(x - m_cCamShift.get_width() * sn / 2),
- (int)(y + m_cCamShift.get_width() * cs / 2)};
- cvLine( image, p1, p2, CV_RGB(255,255,255) );
- cvLine( image, p4, p3, CV_RGB(255,255,255) );
-}
-
-
-//
-// Transform
-//
-// 'In place' adjust the CamShift of this sample
-//
-HRESULT CCamShiftF::Transform(IMediaSample *pMediaSample)
-{
- BYTE* pData;
- IplImage image;
-
- pMediaSample->GetPointer(&pData);
-
- AM_MEDIA_TYPE* pType = &m_pInput->CurrentMediaType();
- VIDEOINFOHEADER *pvi = (VIDEOINFOHEADER *) pType->pbFormat;
-
- // Get the image properties from the BITMAPINFOHEADER
- CvSize size = cvSize( pvi->bmiHeader.biWidth, pvi->bmiHeader.biHeight );
- int stride = (size.width * 3 + 3) & -4;
-
- cvInitImageHeader( &image, size, IPL_DEPTH_8U, 3, IPL_ORIGIN_TL, 4 );
- cvSetImageData( &image, pData, stride );
-
- if(IsTracking == false)
- {
- if(IsInit == false)
- {
- CvPoint p1, p2;
- // Draw box
- p1.x = cvRound( size.width * m_params.x );
- p1.y = cvRound( size.height * m_params.y );
-
- p2.x = cvRound( size.width * (m_params.x + m_params.width));
- p2.y = cvRound( size.height * (m_params.y + m_params.height));
-
- CheckBackProject( &image );
-
- cvRectangle( &image, p1, p2, -1, 1 );
- }
- else
- {
- m_object.x = cvRound( size.width * m_params.x );
- m_object.y = cvRound( size.height * m_params.y );
- m_object.width = cvRound( size.width * m_params.width );
- m_object.height = cvRound( size.height * m_params.height );
-
- assert( image.roi == 0 );
- cvSetImageROI( &image, cvRect( m_object.x, m_object.y, m_object.width, m_object.height ));
- double norm = cvNorm( &image, 0, CV_L1 );
- cvResetImageROI( &image );
-
- ApplyCamShift( &image, true );
- CheckBackProject( &image );
-
- IsTracking = true;
- }
- }
- else
- {
- ApplyCamShift( &image, false );
- CheckBackProject( &image );
-
- DrawCross( &image );
- }
-
- return NOERROR;
-} // Transform
-
-
-//
-// CheckInputType
-//
-// Check the input type is OK, return an error otherwise
-//
-HRESULT CCamShiftF::CheckInputType(const CMediaType *mtIn)
-{
- // Check this is a VIDEOINFO type
-
- if (*mtIn->FormatType() != FORMAT_VideoInfo) {
- return E_INVALIDARG;
- }
-
- // Is this a palettised format
-
- if (CanChangeCamShiftLevel(mtIn)) {
- return NOERROR;
- }
- return E_FAIL;
-
-} // CheckInputType
-
-
-//
-// CheckTransform
-//
-// To be able to transform the formats must be identical
-//
-HRESULT CCamShiftF::CheckTransform(const CMediaType *mtIn,const CMediaType *mtOut)
-{
- HRESULT hr;
- if (FAILED(hr = CheckInputType(mtIn))) {
- return hr;
- }
-
- // format must be a VIDEOINFOHEADER
- if (*mtOut->FormatType() != FORMAT_VideoInfo) {
- return E_INVALIDARG;
- }
-
- // formats must be big enough
- if (mtIn->FormatLength() < sizeof(VIDEOINFOHEADER) ||
- mtOut->FormatLength() < sizeof(VIDEOINFOHEADER))
- return E_INVALIDARG;
-
- VIDEOINFO *pInput = (VIDEOINFO *) mtIn->Format();
- VIDEOINFO *pOutput = (VIDEOINFO *) mtOut->Format();
- if (memcmp(&pInput->bmiHeader,&pOutput->bmiHeader,sizeof(BITMAPINFOHEADER)) == 0) {
- return NOERROR;
- }
-
- return E_INVALIDARG;
-} // CheckTransform
-
-
-//
-// DecideBufferSize
-//
-// Tell the output pin's allocator what size buffers we
-// require. Can only do this when the input is connected
-//
-HRESULT CCamShiftF::DecideBufferSize(IMemAllocator *pAlloc,ALLOCATOR_PROPERTIES *pProperties)
-{
- // Is the input pin connected
-
- if (m_pInput->IsConnected() == FALSE) {
- return E_UNEXPECTED;
- }
-
- ASSERT(pAlloc);
- ASSERT(pProperties);
- HRESULT hr = NOERROR;
-
- pProperties->cBuffers = 1;
- pProperties->cbBuffer = m_pInput->CurrentMediaType().GetSampleSize();
-
- ASSERT(pProperties->cbBuffer);
-
- // If we don't have fixed sized samples we must guess some size
-
- if (!m_pInput->CurrentMediaType().bFixedSizeSamples) {
- if (pProperties->cbBuffer < 100000) {
- // nothing more than a guess!!
- pProperties->cbBuffer = 100000;
- }
- }
-
- // Ask the allocator to reserve us some sample memory, NOTE the function
- // can succeed (that is return NOERROR) but still not have allocated the
- // memory that we requested, so we must check we got whatever we wanted
-
- ALLOCATOR_PROPERTIES Actual;
- hr = pAlloc->SetProperties(pProperties,&Actual);
- if (FAILED(hr)) {
- return hr;
- }
-
- ASSERT( Actual.cBuffers == 1 );
-
- if (pProperties->cBuffers > Actual.cBuffers ||
- pProperties->cbBuffer > Actual.cbBuffer) {
- return E_FAIL;
- }
- return NOERROR;
-
-} // DecideBufferSize
-
-
-//
-// GetMediaType
-//
-// I support one type, namely the type of the input pin
-// We must be connected to support the single output type
-//
-HRESULT CCamShiftF::GetMediaType(int iPosition, CMediaType *pMediaType)
-{
- // Is the input pin connected
-
- if (m_pInput->IsConnected() == FALSE) {
- return E_UNEXPECTED;
- }
-
- // This should never happen
-
- if (iPosition < 0) {
- return E_INVALIDARG;
- }
-
- // Do we have more items to offer
-
- if (iPosition > 0) {
- return VFW_S_NO_MORE_ITEMS;
- }
-
-
- *pMediaType = m_pInput->CurrentMediaType();
- return NOERROR;
-
-} // GetMediaType
-
-
-
-//
-// GetPages
-//
-// This is the sole member of ISpecifyPropertyPages
-// Returns the clsid's of the property pages we support
-//
-STDMETHODIMP CCamShiftF::GetPages(CAUUID *pPages)
-{
- pPages->cElems = 1;
- pPages->pElems = (GUID *) CoTaskMemAlloc(sizeof(GUID));
- if (pPages->pElems == NULL) {
- return E_OUTOFMEMORY;
- }
- *(pPages->pElems) = CLSID_CamShiftPropertyPage;
- return NOERROR;
-
-} // GetPages
-
-
-STDMETHODIMP CCamShiftF::GetParams( CvCamShiftParams* params )
-{
- if( params )
- {
- *params = m_params;
- }
- return NOERROR;
-}
-
-
-STDMETHODIMP CCamShiftF::SetParams( CvCamShiftParams* params )
-{
- CAutoLock cAutoLock(&m_CamShiftLock);
- if( params )
- {
- m_params = *params;
- }
- return NOERROR;
-}
-
-
-
-STDMETHODIMP CCamShiftF::StartTracking()
-{
- CAutoLock cAutoLock(&m_CamShiftLock);
- IsInit = true;
- IsTracking = false;
- return NOERROR;
-}
-
-STDMETHODIMP CCamShiftF::StopTracking()
-{
- CAutoLock cAutoLock(&m_CamShiftLock);
- IsInit = IsTracking = false;
- return NOERROR;
-}
-
-//
-// CanChangeCamShiftLevel
-//
-// Check if this is a paletised format
-//
-BOOL CCamShiftF::CanChangeCamShiftLevel(const CMediaType *pMediaType) const
-{
- if ((IsEqualGUID(*pMediaType->Type(), MEDIATYPE_Video))
- && (IsEqualGUID(*pMediaType->Subtype(), MEDIASUBTYPE_RGB24))) {
-
- // I think I can process this format (8 bit palettised)
- // So do a quick sanity check on the palette information
-
- VIDEOINFO *pvi = (VIDEOINFO *) pMediaType->Format();
- return (pvi->bmiHeader.biBitCount == 24);
-
- } else {
- return FALSE;
- }
-} // CanChangeCamShiftLevel
-
-
-
-//
-// DllRegisterServer
-//
-// Handle registration of this filter
-//
-STDAPI DllRegisterServer()
-{
- return AMovieDllRegisterServer2( TRUE );
-
-} // DllRegisterServer
-
-
-//
-// DllUnregisterServer
-//
-STDAPI DllUnregisterServer()
-{
- return AMovieDllRegisterServer2( FALSE );
-
-} // DllUnregisterServer
-
-/* End of file. */
projects / opencv / blobdiff