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Merge pull request #3504 from a-wi:VideoCapture_get_const_v3

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pull/3551/head
Vadim Pisarevsky 10 years ago
parent 9c2ef369ed 854a722c70
commit 61886a61de
29 changed files with 127 additions and 114 deletions
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  1. 2
      modules/videoio/include/opencv2/videoio.hpp
  2. 11
      modules/videoio/src/cap.cpp
  3. 4
      modules/videoio/src/cap_android.cpp
  4. 8
      modules/videoio/src/cap_avfoundation.mm
  5. 4
      modules/videoio/src/cap_cmu.cpp
  6. 10
      modules/videoio/src/cap_dc1394.cpp
  7. 17
      modules/videoio/src/cap_dc1394_v2.cpp
  8. 44
      modules/videoio/src/cap_dshow.cpp
  9. 2
      modules/videoio/src/cap_dshow.hpp
  10. 2
      modules/videoio/src/cap_ffmpeg.cpp
  11. 24
      modules/videoio/src/cap_ffmpeg_impl.hpp
  12. 4
      modules/videoio/src/cap_giganetix.cpp
  13. 4
      modules/videoio/src/cap_gstreamer.cpp
  14. 4
      modules/videoio/src/cap_images.cpp
  15. 8
      modules/videoio/src/cap_intelperc.cpp
  16. 8
      modules/videoio/src/cap_intelperc.hpp
  17. 4
      modules/videoio/src/cap_libv4l.cpp
  18. 24
      modules/videoio/src/cap_msmf.cpp
  19. 4
      modules/videoio/src/cap_openni.cpp
  20. 4
      modules/videoio/src/cap_openni2.cpp
  21. 4
      modules/videoio/src/cap_pvapi.cpp
  22. 8
      modules/videoio/src/cap_qt.cpp
  23. 8
      modules/videoio/src/cap_qtkit.mm
  24. 5
      modules/videoio/src/cap_unicap.cpp
  25. 4
      modules/videoio/src/cap_v4l.cpp
  26. 8
      modules/videoio/src/cap_vfw.cpp
  27. 4
      modules/videoio/src/cap_ximea.cpp
  28. 4
      modules/videoio/src/cap_xine.cpp
  29. 4
      modules/videoio/src/precomp.hpp

2
modules/videoio/include/opencv2/videoio.hpp
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@ -569,7 +569,7 @@ public:
**Note**: When querying a property that is not supported by the backend used by the VideoCapture **Note**: When querying a property that is not supported by the backend used by the VideoCapture
class, value 0 is returned. class, value 0 is returned.
*/ */
CV_WRAP virtual double get(int propId); CV_WRAP virtual double get(int propId) const;
protected: protected:
Ptr<CvCapture> cap; Ptr<CvCapture> cap;

11
modules/videoio/src/cap.cpp
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@ -61,6 +61,11 @@ template<> void DefaultDeleter<CvVideoWriter>::operator ()(CvVideoWriter* obj) c
/************************* Reading AVIs & Camera data **************************/ /************************* Reading AVIs & Camera data **************************/
static inline double icvGetCaptureProperty( const CvCapture* capture, int id )
{
return capture ? capture->getProperty(id) : 0;
}
CV_IMPL void cvReleaseCapture( CvCapture** pcapture ) CV_IMPL void cvReleaseCapture( CvCapture** pcapture )
{ {
if( pcapture && *pcapture ) if( pcapture && *pcapture )
@ -92,7 +97,7 @@ CV_IMPL IplImage* cvRetrieveFrame( CvCapture* capture, int idx )
CV_IMPL double cvGetCaptureProperty( CvCapture* capture, int id ) CV_IMPL double cvGetCaptureProperty( CvCapture* capture, int id )
{ {
return capture ? capture->getProperty(id) : 0; return icvGetCaptureProperty(capture, id);
} }
CV_IMPL int cvSetCaptureProperty( CvCapture* capture, int id, double value ) CV_IMPL int cvSetCaptureProperty( CvCapture* capture, int id, double value )
@ -597,11 +602,11 @@ bool VideoCapture::set(int propId, double value)
return cvSetCaptureProperty(cap, propId, value) != 0; return cvSetCaptureProperty(cap, propId, value) != 0;
} }
double VideoCapture::get(int propId) double VideoCapture::get(int propId) const
{ {
if (!icap.empty()) if (!icap.empty())
return icap->getProperty(propId); return icap->getProperty(propId);
return cvGetCaptureProperty(cap, propId); return icvGetCaptureProperty(cap, propId);
} }
Ptr<IVideoCapture> VideoCapture::createCameraCapture(int index) Ptr<IVideoCapture> VideoCapture::createCameraCapture(int index)

4
modules/videoio/src/cap_android.cpp
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@ -65,7 +65,7 @@ public:
CvCapture_Android(int); CvCapture_Android(int);
virtual ~CvCapture_Android(); virtual ~CvCapture_Android();
virtual double getProperty(int propIdx); virtual double getProperty(int propIdx) const;
virtual bool setProperty(int probIdx, double propVal); virtual bool setProperty(int probIdx, double propVal);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int outputType); virtual IplImage* retrieveFrame(int outputType);
@ -257,7 +257,7 @@ CvCapture_Android::~CvCapture_Android()
} }
} }
double CvCapture_Android::getProperty( int propIdx ) double CvCapture_Android::getProperty( int propIdx ) const
{ {
switch ( propIdx ) switch ( propIdx )
{ {

8
modules/videoio/src/cap_avfoundation.mm
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@ -89,7 +89,7 @@ class CvCaptureCAM : public CvCapture {
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
virtual IplImage* queryFrame(); virtual IplImage* queryFrame();
virtual double getProperty(int property_id); virtual double getProperty(int property_id) const;
virtual bool setProperty(int property_id, double value); virtual bool setProperty(int property_id, double value);
virtual int didStart(); virtual int didStart();
@ -132,7 +132,7 @@ class CvCaptureFile : public CvCapture {
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
virtual IplImage* queryFrame(); virtual IplImage* queryFrame();
virtual double getProperty(int property_id); virtual double getProperty(int property_id) const;
virtual bool setProperty(int property_id, double value); virtual bool setProperty(int property_id, double value);
virtual int didStart(); virtual int didStart();
@ -476,7 +476,7 @@ enum {
typedef NSInteger AVCaptureWhiteBalanceMode; typedef NSInteger AVCaptureWhiteBalanceMode;
*/ */
double CvCaptureCAM::getProperty(int property_id){ double CvCaptureCAM::getProperty(int property_id) const{
NSAutoreleasePool* localpool = [[NSAutoreleasePool alloc] init]; NSAutoreleasePool* localpool = [[NSAutoreleasePool alloc] init];
/* /*
@ -1010,7 +1010,7 @@ double CvCaptureFile::getFPS() {
return 30.0; //TODO: Debugging return 30.0; //TODO: Debugging
} }
double CvCaptureFile::getProperty(int /*property_id*/){ double CvCaptureFile::getProperty(int /*property_id*/) const{
/* /*
if (mCaptureSession == nil) return 0; if (mCaptureSession == nil) return 0;

4
modules/videoio/src/cap_cmu.cpp
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@ -68,7 +68,7 @@ public:
virtual bool open(int cameraId); virtual bool open(int cameraId);
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -422,7 +422,7 @@ IplImage* CvCaptureCAM_CMU::retrieveFrame(int)
} }
double CvCaptureCAM_CMU::getProperty( int property_id ) double CvCaptureCAM_CMU::getProperty( int property_id ) const
{ {
C1394Camera* cmucam = camera(); C1394Camera* cmucam = camera();
if( !cmucam ) if( !cmucam )

10
modules/videoio/src/cap_dc1394.cpp
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@ -1049,7 +1049,7 @@ public:
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -1085,9 +1085,13 @@ IplImage* CvCaptureCAM_DC1394_CPP::retrieveFrame(int)
return captureDC1394 ? (IplImage*)icvRetrieveFrameCAM_DC1394( captureDC1394, 0 ) : 0; return captureDC1394 ? (IplImage*)icvRetrieveFrameCAM_DC1394( captureDC1394, 0 ) : 0;
} }
double CvCaptureCAM_DC1394_CPP::getProperty( int propId ) double CvCaptureCAM_DC1394_CPP::getProperty( int propId ) const
{ {
return captureDC1394 ? icvGetPropertyCAM_DC1394( captureDC1394, propId ) : 0; // Simulate mutable (C++11-like) member variable
// (some members are used to cache property settings).
CvCaptureCAM_DC1394* cap = const_cast<CvCaptureCAM_DC1394*>(captureDC1394);
return cap ? icvGetPropertyCAM_DC1394( cap, propId ) : 0;
} }
bool CvCaptureCAM_DC1394_CPP::setProperty( int propId, double value ) bool CvCaptureCAM_DC1394_CPP::setProperty( int propId, double value )

17
modules/videoio/src/cap_dc1394_v2.cpp
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@ -207,7 +207,7 @@ public:
virtual bool open(int index); virtual bool open(int index);
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -652,8 +652,11 @@ IplImage* CvCaptureCAM_DC1394_v2_CPP::retrieveFrame(int idx)
return 0 <= idx && idx < nimages ? img[idx] : 0; return 0 <= idx && idx < nimages ? img[idx] : 0;
} }
double CvCaptureCAM_DC1394_v2_CPP::getProperty(int propId) double CvCaptureCAM_DC1394_v2_CPP::getProperty(int propId) const
{ {
// Simulate mutable (C++11-like) member variable
dc1394featureset_t& fs = const_cast<dc1394featureset_t&>(feature_set);
switch (propId) switch (propId)
{ {
case CV_CAP_PROP_FRAME_WIDTH: case CV_CAP_PROP_FRAME_WIDTH:
@ -666,14 +669,14 @@ double CvCaptureCAM_DC1394_v2_CPP::getProperty(int propId)
return rectify ? 1 : 0; return rectify ? 1 : 0;
case CV_CAP_PROP_WHITE_BALANCE_BLUE_U: case CV_CAP_PROP_WHITE_BALANCE_BLUE_U:
if (dc1394_feature_whitebalance_get_value(dcCam, if (dc1394_feature_whitebalance_get_value(dcCam,
&feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value, &fs.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value,
&feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value) == DC1394_SUCCESS) &fs.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value) == DC1394_SUCCESS)
return feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value; return feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value;
break; break;
case CV_CAP_PROP_WHITE_BALANCE_RED_V: case CV_CAP_PROP_WHITE_BALANCE_RED_V:
if (dc1394_feature_whitebalance_get_value(dcCam, if (dc1394_feature_whitebalance_get_value(dcCam,
&feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value, &fs.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value,
&feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value) == DC1394_SUCCESS) &fs.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value) == DC1394_SUCCESS)
return feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value; return feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value;
break; break;
case CV_CAP_PROP_GUID: case CV_CAP_PROP_GUID:
@ -690,7 +693,7 @@ double CvCaptureCAM_DC1394_v2_CPP::getProperty(int propId)
&& dcCam) && dcCam)
//&& feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].on_off_capable) //&& feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].on_off_capable)
if (dc1394_feature_get_value(dcCam,(dc1394feature_t)dc1394properties[propId], if (dc1394_feature_get_value(dcCam,(dc1394feature_t)dc1394properties[propId],
&feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].value) == DC1394_SUCCESS) &fs.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].value) == DC1394_SUCCESS)
return feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].value; return feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].value;
} }
return -1; // the value of the feature can be 0, so returning 0 as an error is wrong return -1; // the value of the feature can be 0, so returning 0 as an error is wrong

44
modules/videoio/src/cap_dshow.cpp
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@ -532,7 +532,7 @@ class videoInput{
//Tells you when a new frame has arrived - you should call this if you have specified setAutoReconnectOnFreeze to true //Tells you when a new frame has arrived - you should call this if you have specified setAutoReconnectOnFreeze to true
bool isFrameNew(int deviceID); bool isFrameNew(int deviceID);
bool isDeviceSetup(int deviceID); bool isDeviceSetup(int deviceID) const;
//Returns the pixels - flipRedAndBlue toggles RGB/BGR flipping - and you can flip the image too //Returns the pixels - flipRedAndBlue toggles RGB/BGR flipping - and you can flip the image too
unsigned char * getPixels(int deviceID, bool flipRedAndBlue = true, bool flipImage = false); unsigned char * getPixels(int deviceID, bool flipRedAndBlue = true, bool flipImage = false);
@ -557,11 +557,11 @@ class videoInput{
//bool setVideoSettingCam(int deviceID, long Property, long lValue, long Flags = NULL, bool useDefaultValue = false); //bool setVideoSettingCam(int deviceID, long Property, long lValue, long Flags = NULL, bool useDefaultValue = false);
//get width, height and number of pixels //get width, height and number of pixels
int getWidth(int deviceID); int getWidth(int deviceID) const;
int getHeight(int deviceID); int getHeight(int deviceID) const;
int getSize(int deviceID); int getSize(int deviceID) const;
int getFourcc(int deviceID); int getFourcc(int deviceID) const;
double getFPS(int deviceID); double getFPS(int deviceID) const;
//completely stops and frees a device //completely stops and frees a device
void stopDevice(int deviceID); void stopDevice(int deviceID);
@ -585,7 +585,7 @@ class videoInput{
int getDeviceCount(); int getDeviceCount();
void getMediaSubtypeAsString(GUID type, char * typeAsString); void getMediaSubtypeAsString(GUID type, char * typeAsString);
GUID *getMediaSubtypeFromFourcc(int fourcc); GUID *getMediaSubtypeFromFourcc(int fourcc);
int getFourccFromMediaSubtype(GUID type); int getFourccFromMediaSubtype(GUID type) const;
void getVideoPropertyAsString(int prop, char * propertyAsString); void getVideoPropertyAsString(int prop, char * propertyAsString);
void getCameraPropertyAsString(int prop, char * propertyAsString); void getCameraPropertyAsString(int prop, char * propertyAsString);
@ -1422,8 +1422,8 @@ int videoInput::listDevices(bool silent){
// //
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
int videoInput::getWidth(int id){ int videoInput::getWidth(int id) const
{
if(isDeviceSetup(id)) if(isDeviceSetup(id))
{ {
return VDList[id] ->width; return VDList[id] ->width;
@ -1439,8 +1439,8 @@ int videoInput::getWidth(int id){
// //
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
int videoInput::getHeight(int id){ int videoInput::getHeight(int id) const
{
if(isDeviceSetup(id)) if(isDeviceSetup(id))
{ {
return VDList[id] ->height; return VDList[id] ->height;
@ -1454,8 +1454,8 @@ int videoInput::getHeight(int id){
// //
// //
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
int videoInput::getFourcc(int id){ int videoInput::getFourcc(int id) const
{
if(isDeviceSetup(id)) if(isDeviceSetup(id))
{ {
return getFourccFromMediaSubtype(VDList[id]->videoType); return getFourccFromMediaSubtype(VDList[id]->videoType);
@ -1465,8 +1465,8 @@ int videoInput::getFourcc(int id){
} }
double videoInput::getFPS(int id){ double videoInput::getFPS(int id) const
{
if(isDeviceSetup(id)) if(isDeviceSetup(id))
{ {
double frameTime= VDList[id]->requestedFrameTime; double frameTime= VDList[id]->requestedFrameTime;
@ -1485,8 +1485,8 @@ double videoInput::getFPS(int id){
// //
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
int videoInput::getSize(int id){ int videoInput::getSize(int id) const
{
if(isDeviceSetup(id)) if(isDeviceSetup(id))
{ {
return VDList[id] ->videoSize; return VDList[id] ->videoSize;
@ -1618,11 +1618,10 @@ bool videoInput::isFrameNew(int id){
// //
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
bool videoInput::isDeviceSetup(int id){ bool videoInput::isDeviceSetup(int id) const
{
if(id>=0 && id<devicesFound && VDList[id]->readyToCapture)return true; if(id>=0 && id<devicesFound && VDList[id]->readyToCapture)return true;
else return false; else return false;
} }
@ -2209,7 +2208,8 @@ void videoInput::getMediaSubtypeAsString(GUID type, char * typeAsString){
memcpy(typeAsString, tmpStr, sizeof(char)*8); memcpy(typeAsString, tmpStr, sizeof(char)*8);
} }
int videoInput::getFourccFromMediaSubtype(GUID type) { int videoInput::getFourccFromMediaSubtype(GUID type) const
{
return type.Data1; return type.Data1;
} }
@ -3154,7 +3154,7 @@ VideoCapture_DShow::~VideoCapture_DShow()
CoUninitialize(); CoUninitialize();
} }
double VideoCapture_DShow::getProperty(int propIdx) double VideoCapture_DShow::getProperty(int propIdx) const
{ {
long min_value, max_value, stepping_delta, current_value, flags, defaultValue; long min_value, max_value, stepping_delta, current_value, flags, defaultValue;

2
modules/videoio/src/cap_dshow.hpp
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@ -26,7 +26,7 @@ public:
VideoCapture_DShow(int index); VideoCapture_DShow(int index);
virtual ~VideoCapture_DShow(); virtual ~VideoCapture_DShow();
virtual double getProperty(int propIdx); virtual double getProperty(int propIdx) const;
virtual bool setProperty(int propIdx, double propVal); virtual bool setProperty(int propIdx, double propVal);
virtual bool grabFrame(); virtual bool grabFrame();

2
modules/videoio/src/cap_ffmpeg.cpp
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@ -167,7 +167,7 @@ public:
CvCapture_FFMPEG_proxy() { ffmpegCapture = 0; } CvCapture_FFMPEG_proxy() { ffmpegCapture = 0; }
virtual ~CvCapture_FFMPEG_proxy() { close(); } virtual ~CvCapture_FFMPEG_proxy() { close(); }
virtual double getProperty(int propId) virtual double getProperty(int propId) const
{ {
return ffmpegCapture ? icvGetCaptureProperty_FFMPEG_p(ffmpegCapture, propId) : 0; return ffmpegCapture ? icvGetCaptureProperty_FFMPEG_p(ffmpegCapture, propId) : 0;
} }

24
modules/videoio/src/cap_ffmpeg_impl.hpp
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@ -225,7 +225,7 @@ struct CvCapture_FFMPEG
bool open( const char* filename ); bool open( const char* filename );
void close(); void close();
double getProperty(int); double getProperty(int) const;
bool setProperty(int, double); bool setProperty(int, double);
bool grabFrame(); bool grabFrame();
bool retrieveFrame(int, unsigned char** data, int* step, int* width, int* height, int* cn); bool retrieveFrame(int, unsigned char** data, int* step, int* width, int* height, int* cn);
@ -236,12 +236,12 @@ struct CvCapture_FFMPEG
void seek(double sec); void seek(double sec);
bool slowSeek( int framenumber ); bool slowSeek( int framenumber );
int64_t get_total_frames(); int64_t get_total_frames() const;
double get_duration_sec(); double get_duration_sec() const;
double get_fps(); double get_fps() const;
int get_bitrate(); int get_bitrate() const;
double r2d(AVRational r); double r2d(AVRational r) const;
int64_t dts_to_frame_number(int64_t dts); int64_t dts_to_frame_number(int64_t dts);
double dts_to_sec(int64_t dts); double dts_to_sec(int64_t dts);
@ -759,7 +759,7 @@ bool CvCapture_FFMPEG::retrieveFrame(int, unsigned char** data, int* step, int*
} }
double CvCapture_FFMPEG::getProperty( int property_id ) double CvCapture_FFMPEG::getProperty( int property_id ) const
{ {
if( !video_st ) return 0; if( !video_st ) return 0;
@ -797,12 +797,12 @@ double CvCapture_FFMPEG::getProperty( int property_id )
return 0; return 0;
} }
double CvCapture_FFMPEG::r2d(AVRational r) double CvCapture_FFMPEG::r2d(AVRational r) const
{ {
return r.num == 0 || r.den == 0 ? 0. : (double)r.num / (double)r.den; return r.num == 0 || r.den == 0 ? 0. : (double)r.num / (double)r.den;
} }
double CvCapture_FFMPEG::get_duration_sec() double CvCapture_FFMPEG::get_duration_sec() const
{ {
double sec = (double)ic->duration / (double)AV_TIME_BASE; double sec = (double)ic->duration / (double)AV_TIME_BASE;
@ -819,12 +819,12 @@ double CvCapture_FFMPEG::get_duration_sec()
return sec; return sec;
} }
int CvCapture_FFMPEG::get_bitrate() int CvCapture_FFMPEG::get_bitrate() const
{ {
return ic->bit_rate; return ic->bit_rate;
} }
double CvCapture_FFMPEG::get_fps() double CvCapture_FFMPEG::get_fps() const
{ {
double fps = r2d(ic->streams[video_stream]->r_frame_rate); double fps = r2d(ic->streams[video_stream]->r_frame_rate);
@ -843,7 +843,7 @@ double CvCapture_FFMPEG::get_fps()
return fps; return fps;
} }
int64_t CvCapture_FFMPEG::get_total_frames() int64_t CvCapture_FFMPEG::get_total_frames() const
{ {
int64_t nbf = ic->streams[video_stream]->nb_frames; int64_t nbf = ic->streams[video_stream]->nb_frames;

4
modules/videoio/src/cap_giganetix.cpp
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@ -294,7 +294,7 @@ class CvCaptureCAM_Giganetix : public CvCapture
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -600,7 +600,7 @@ CvCaptureCAM_Giganetix::retrieveFrame(int)
/*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/
double double
CvCaptureCAM_Giganetix::getProperty( int property_id ) CvCaptureCAM_Giganetix::getProperty( int property_id ) const
{ {
double d_ret = -1.0; double d_ret = -1.0;
INT64 i; INT64 i;

4
modules/videoio/src/cap_gstreamer.cpp
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@ -123,7 +123,7 @@ public:
virtual bool open( int type, const char* filename ); virtual bool open( int type, const char* filename );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -838,7 +838,7 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
* For frame-based properties, we use the caps of the lasst receivef sample. This means that some properties * For frame-based properties, we use the caps of the lasst receivef sample. This means that some properties
* are not available until a first frame was received * are not available until a first frame was received
*/ */
double CvCapture_GStreamer::getProperty( int propId ) double CvCapture_GStreamer::getProperty( int propId ) const
{ {
GstFormat format; GstFormat format;
gint64 value; gint64 value;

4
modules/videoio/src/cap_images.cpp
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@ -80,7 +80,7 @@ public:
virtual bool open(const char* _filename); virtual bool open(const char* _filename);
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -126,7 +126,7 @@ IplImage* CvCapture_Images::retrieveFrame(int)
return frame; return frame;
} }
double CvCapture_Images::getProperty(int id) double CvCapture_Images::getProperty(int id) const
{ {
switch(id) switch(id)
{ {

8
modules/videoio/src/cap_intelperc.cpp
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@ -46,7 +46,7 @@ int IntelPerCStreamBase::getProfileIDX() const
{ {
return m_profileIdx; return m_profileIdx;
} }
double IntelPerCStreamBase::getProperty(int propIdx) double IntelPerCStreamBase::getProperty(int propIdx) const
{ {
double ret = 0.0; double ret = 0.0;
switch (propIdx) switch (propIdx)
@ -210,7 +210,7 @@ bool IntelPerCStreamImage::initStream(PXCSession *session)
enumProfiles(); enumProfiles();
return true; return true;
} }
double IntelPerCStreamImage::getProperty(int propIdx) double IntelPerCStreamImage::getProperty(int propIdx) const
{ {
switch (propIdx) switch (propIdx)
{ {
@ -418,7 +418,7 @@ bool IntelPerCStreamDepth::initStream(PXCSession *session)
enumProfiles(); enumProfiles();
return true; return true;
} }
double IntelPerCStreamDepth::getProperty(int propIdx) double IntelPerCStreamDepth::getProperty(int propIdx) const
{ {
switch (propIdx) switch (propIdx)
{ {
@ -554,7 +554,7 @@ VideoCapture_IntelPerC::VideoCapture_IntelPerC()
} }
VideoCapture_IntelPerC::~VideoCapture_IntelPerC(){} VideoCapture_IntelPerC::~VideoCapture_IntelPerC(){}
double VideoCapture_IntelPerC::getProperty(int propIdx) double VideoCapture_IntelPerC::getProperty(int propIdx) const
{ {
double propValue = 0; double propValue = 0;
int purePropIdx = propIdx & ~CV_CAP_INTELPERC_GENERATORS_MASK; int purePropIdx = propIdx & ~CV_CAP_INTELPERC_GENERATORS_MASK;

8
modules/videoio/src/cap_intelperc.hpp
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@ -34,7 +34,7 @@ public:
int getProfileIDX() const; int getProfileIDX() const;
public: public:
virtual bool initStream(PXCSession *session) = 0; virtual bool initStream(PXCSession *session) = 0;
virtual double getProperty(int propIdx); virtual double getProperty(int propIdx) const;
virtual bool setProperty(int propIdx, double propVal); virtual bool setProperty(int propIdx, double propVal);
protected: protected:
PXCSmartPtr<PXCCapture::Device> m_device; PXCSmartPtr<PXCCapture::Device> m_device;
@ -62,7 +62,7 @@ public:
virtual ~IntelPerCStreamImage(); virtual ~IntelPerCStreamImage();
virtual bool initStream(PXCSession *session); virtual bool initStream(PXCSession *session);
virtual double getProperty(int propIdx); virtual double getProperty(int propIdx) const;
virtual bool setProperty(int propIdx, double propVal); virtual bool setProperty(int propIdx, double propVal);
public: public:
bool retrieveAsOutputArray(OutputArray image); bool retrieveAsOutputArray(OutputArray image);
@ -76,7 +76,7 @@ public:
virtual ~IntelPerCStreamDepth(); virtual ~IntelPerCStreamDepth();
virtual bool initStream(PXCSession *session); virtual bool initStream(PXCSession *session);
virtual double getProperty(int propIdx); virtual double getProperty(int propIdx) const;
virtual bool setProperty(int propIdx, double propVal); virtual bool setProperty(int propIdx, double propVal);
public: public:
bool retrieveDepthAsOutputArray(OutputArray image); bool retrieveDepthAsOutputArray(OutputArray image);
@ -94,7 +94,7 @@ public:
VideoCapture_IntelPerC(); VideoCapture_IntelPerC();
virtual ~VideoCapture_IntelPerC(); virtual ~VideoCapture_IntelPerC();
virtual double getProperty(int propIdx); virtual double getProperty(int propIdx) const;
virtual bool setProperty(int propIdx, double propVal); virtual bool setProperty(int propIdx, double propVal);
virtual bool grabFrame(); virtual bool grabFrame();

4
modules/videoio/src/cap_libv4l.cpp
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@ -1807,7 +1807,7 @@ public:
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -1842,7 +1842,7 @@ IplImage* CvCaptureCAM_V4L_CPP::retrieveFrame(int)
return captureV4L ? icvRetrieveFrameCAM_V4L( captureV4L, 0 ) : 0; return captureV4L ? icvRetrieveFrameCAM_V4L( captureV4L, 0 ) : 0;
} }
double CvCaptureCAM_V4L_CPP::getProperty( int propId ) double CvCaptureCAM_V4L_CPP::getProperty( int propId ) const
{ {
return captureV4L ? icvGetPropertyCAM_V4L( captureV4L, propId ) : 0.0; return captureV4L ? icvGetPropertyCAM_V4L( captureV4L, propId ) : 0.0;
} }

24
modules/videoio/src/cap_msmf.cpp
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@ -684,11 +684,11 @@ public:
// Getting numbers of existence videodevices with listing in consol // Getting numbers of existence videodevices with listing in consol
unsigned int listDevices(bool silent = false); unsigned int listDevices(bool silent = false);
// Getting numbers of formats, which are supported by videodevice with deviceID // Getting numbers of formats, which are supported by videodevice with deviceID
unsigned int getCountFormats(int deviceID); unsigned int getCountFormats(int deviceID) const;
// Getting width of image, which is getting from videodevice with deviceID // Getting width of image, which is getting from videodevice with deviceID
unsigned int getWidth(int deviceID); unsigned int getWidth(int deviceID) const;
// Getting height of image, which is getting from videodevice with deviceID // Getting height of image, which is getting from videodevice with deviceID
unsigned int getHeight(int deviceID); unsigned int getHeight(int deviceID) const;
// Getting frame rate, which is getting from videodevice with deviceID // Getting frame rate, which is getting from videodevice with deviceID
unsigned int getFrameRate(int deviceID) const; unsigned int getFrameRate(int deviceID) const;
// Getting name of videodevice with deviceID // Getting name of videodevice with deviceID
@ -3226,7 +3226,7 @@ void videoInput::waitForDevice(int deviceID)
} }
#endif #endif
unsigned int videoInput::getCountFormats(int deviceID) unsigned int videoInput::getCountFormats(int deviceID) const
{ {
if (deviceID < 0) if (deviceID < 0)
{ {
@ -3316,7 +3316,7 @@ void videoInput::closeDevice(int deviceID)
} }
} }
unsigned int videoInput::getWidth(int deviceID) unsigned int videoInput::getWidth(int deviceID) const
{ {
if (deviceID < 0) if (deviceID < 0)
{ {
@ -3337,7 +3337,7 @@ unsigned int videoInput::getWidth(int deviceID)
return 0; return 0;
} }
unsigned int videoInput::getHeight(int deviceID) unsigned int videoInput::getHeight(int deviceID) const
{ {
if (deviceID < 0) if (deviceID < 0)
{ {
@ -3585,7 +3585,7 @@ public:
virtual ~CvCaptureCAM_MSMF(); virtual ~CvCaptureCAM_MSMF();
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -3711,7 +3711,7 @@ IplImage* CvCaptureCAM_MSMF::retrieveFrame(int)
return frame; return frame;
} }
double CvCaptureCAM_MSMF::getProperty( int property_id ) double CvCaptureCAM_MSMF::getProperty( int property_id ) const
{ {
// image format proprrties // image format proprrties
switch( property_id ) switch( property_id )
@ -3778,7 +3778,7 @@ public:
virtual bool open( const char* filename ); virtual bool open( const char* filename );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -3792,7 +3792,7 @@ protected:
bool isOpened; bool isOpened;
HRESULT enumerateCaptureFormats(IMFMediaSource *pSource); HRESULT enumerateCaptureFormats(IMFMediaSource *pSource);
HRESULT getSourceDuration(IMFMediaSource *pSource, MFTIME *pDuration); HRESULT getSourceDuration(IMFMediaSource *pSource, MFTIME *pDuration) const;
}; };
CvCaptureFile_MSMF::CvCaptureFile_MSMF(): CvCaptureFile_MSMF::CvCaptureFile_MSMF():
@ -3897,7 +3897,7 @@ bool CvCaptureFile_MSMF::setProperty(int property_id, double value)
return false; return false;
} }
double CvCaptureFile_MSMF::getProperty(int property_id) double CvCaptureFile_MSMF::getProperty(int property_id) const
{ {
// image format proprrties // image format proprrties
switch( property_id ) switch( property_id )
@ -4009,7 +4009,7 @@ done:
return hr; return hr;
} }
HRESULT CvCaptureFile_MSMF::getSourceDuration(IMFMediaSource *pSource, MFTIME *pDuration) HRESULT CvCaptureFile_MSMF::getSourceDuration(IMFMediaSource *pSource, MFTIME *pDuration) const
{ {
*pDuration = 0; *pDuration = 0;

4
modules/videoio/src/cap_openni.cpp
Unescape View File

@ -446,7 +446,7 @@ public:
CvCapture_OpenNI(const char * filename); CvCapture_OpenNI(const char * filename);
virtual ~CvCapture_OpenNI(); virtual ~CvCapture_OpenNI();
virtual double getProperty(int propIdx); virtual double getProperty(int propIdx) const;
virtual bool setProperty(int probIdx, double propVal); virtual bool setProperty(int probIdx, double propVal);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int outputType); virtual IplImage* retrieveFrame(int outputType);
@ -771,7 +771,7 @@ bool CvCapture_OpenNI::readCamerasParams()
return true; return true;
} }
double CvCapture_OpenNI::getProperty( int propIdx ) double CvCapture_OpenNI::getProperty( int propIdx ) const
{ {
double propValue = 0; double propValue = 0;

4
modules/videoio/src/cap_openni2.cpp
Unescape View File

@ -92,7 +92,7 @@ public:
CvCapture_OpenNI2(const char * filename); CvCapture_OpenNI2(const char * filename);
virtual ~CvCapture_OpenNI2(); virtual ~CvCapture_OpenNI2();
virtual double getProperty(int propIdx); virtual double getProperty(int propIdx) const;
virtual bool setProperty(int probIdx, double propVal); virtual bool setProperty(int probIdx, double propVal);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int outputType); virtual IplImage* retrieveFrame(int outputType);
@ -395,7 +395,7 @@ bool CvCapture_OpenNI2::readCamerasParams()
return true; return true;
} }
double CvCapture_OpenNI2::getProperty( int propIdx ) double CvCapture_OpenNI2::getProperty( int propIdx ) const
{ {
double propValue = 0; double propValue = 0;

4
modules/videoio/src/cap_pvapi.cpp
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@ -80,7 +80,7 @@ public:
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -242,7 +242,7 @@ IplImage* CvCaptureCAM_PvAPI::retrieveFrame(int)
else return NULL; else return NULL;
} }
double CvCaptureCAM_PvAPI::getProperty( int property_id ) double CvCaptureCAM_PvAPI::getProperty( int property_id ) const
{ {
tPvUint32 nTemp; tPvUint32 nTemp;

8
modules/videoio/src/cap_qt.cpp
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@ -1441,7 +1441,7 @@ public:
virtual bool open( const char* filename ); virtual bool open( const char* filename );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -1477,7 +1477,7 @@ IplImage* CvCapture_QT_Movie_CPP::retrieveFrame(int)
return captureQT ? (IplImage*)icvRetrieveFrame_QT_Movie( captureQT, 0 ) : 0; return captureQT ? (IplImage*)icvRetrieveFrame_QT_Movie( captureQT, 0 ) : 0;
} }
double CvCapture_QT_Movie_CPP::getProperty( int propId ) double CvCapture_QT_Movie_CPP::getProperty( int propId ) const
{ {
return captureQT ? icvGetProperty_QT_Movie( captureQT, propId ) : 0; return captureQT ? icvGetProperty_QT_Movie( captureQT, propId ) : 0;
} }
@ -1510,7 +1510,7 @@ public:
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -1546,7 +1546,7 @@ IplImage* CvCapture_QT_Cam_CPP::retrieveFrame(int)
return captureQT ? (IplImage*)icvRetrieveFrame_QT_Cam( captureQT, 0 ) : 0; return captureQT ? (IplImage*)icvRetrieveFrame_QT_Cam( captureQT, 0 ) : 0;
} }
double CvCapture_QT_Cam_CPP::getProperty( int propId ) double CvCapture_QT_Cam_CPP::getProperty( int propId ) const
{ {
return captureQT ? icvGetProperty_QT_Cam( captureQT, propId ) : 0; return captureQT ? icvGetProperty_QT_Cam( captureQT, propId ) : 0;
} }

8
modules/videoio/src/cap_qtkit.mm
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@ -109,7 +109,7 @@ public:
~CvCaptureCAM(); ~CvCaptureCAM();
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
virtual double getProperty(int property_id); virtual double getProperty(int property_id) const;
virtual bool setProperty(int property_id, double value); virtual bool setProperty(int property_id, double value);
virtual int didStart(); virtual int didStart();
@ -151,7 +151,7 @@ public:
~CvCaptureFile(); ~CvCaptureFile();
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
virtual double getProperty(int property_id); virtual double getProperty(int property_id) const;
virtual bool setProperty(int property_id, double value); virtual bool setProperty(int property_id, double value);
virtual int didStart(); virtual int didStart();
@ -439,7 +439,7 @@ void CvCaptureCAM::setWidthHeight() {
} }
double CvCaptureCAM::getProperty(int property_id){ double CvCaptureCAM::getProperty(int property_id) const{
int retval; int retval;
NSAutoreleasePool* localpool = [[NSAutoreleasePool alloc] init]; NSAutoreleasePool* localpool = [[NSAutoreleasePool alloc] init];
@ -832,7 +832,7 @@ double CvCaptureFile::getFPS() {
return retval; return retval;
} }
double CvCaptureFile::getProperty(int property_id){ double CvCaptureFile::getProperty(int property_id) const{
if (mCaptureSession == nil) return 0; if (mCaptureSession == nil) return 0;
NSAutoreleasePool* localpool = [[NSAutoreleasePool alloc] init]; NSAutoreleasePool* localpool = [[NSAutoreleasePool alloc] init];

5
modules/videoio/src/cap_unicap.cpp
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@ -62,7 +62,7 @@ struct CvCapture_Unicap : public CvCapture
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -241,7 +241,8 @@ IplImage * CvCapture_Unicap::retrieveFrame(int) {
return raw_frame; return raw_frame;
} }
double CvCapture_Unicap::getProperty(int id) { double CvCapture_Unicap::getProperty(int id) const
{
switch (id) { switch (id) {
case CV_CAP_PROP_POS_MSEC: break; case CV_CAP_PROP_POS_MSEC: break;
case CV_CAP_PROP_POS_FRAMES: break; case CV_CAP_PROP_POS_FRAMES: break;

4
modules/videoio/src/cap_v4l.cpp
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@ -2879,7 +2879,7 @@ public:
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -2914,7 +2914,7 @@ IplImage* CvCaptureCAM_V4L_CPP::retrieveFrame(int)
return captureV4L ? icvRetrieveFrameCAM_V4L( captureV4L, 0 ) : 0; return captureV4L ? icvRetrieveFrameCAM_V4L( captureV4L, 0 ) : 0;
} }
double CvCaptureCAM_V4L_CPP::getProperty( int propId ) double CvCaptureCAM_V4L_CPP::getProperty( int propId ) const
{ {
return captureV4L ? icvGetPropertyCAM_V4L( captureV4L, propId ) : 0.0; return captureV4L ? icvGetPropertyCAM_V4L( captureV4L, propId ) : 0.0;
} }

8
modules/videoio/src/cap_vfw.cpp
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@ -99,7 +99,7 @@ public:
virtual bool open( const char* filename ); virtual bool open( const char* filename );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -238,7 +238,7 @@ IplImage* CvCaptureAVI_VFW::retrieveFrame(int)
return 0; return 0;
} }
double CvCaptureAVI_VFW::getProperty( int property_id ) double CvCaptureAVI_VFW::getProperty( int property_id ) const
{ {
switch( property_id ) switch( property_id )
{ {
@ -317,7 +317,7 @@ public:
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -541,7 +541,7 @@ IplImage* CvCaptureCAM_VFW::retrieveFrame(int)
} }
double CvCaptureCAM_VFW::getProperty( int property_id ) double CvCaptureCAM_VFW::getProperty( int property_id ) const
{ {
switch( property_id ) switch( property_id )
{ {

4
modules/videoio/src/cap_ximea.cpp
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@ -16,7 +16,7 @@ public:
virtual bool open( int index ); virtual bool open( int index );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -226,7 +226,7 @@ void CvCaptureCAM_XIMEA::resetCvImage()
} }
/**********************************************************************************/ /**********************************************************************************/
double CvCaptureCAM_XIMEA::getProperty( int property_id ) double CvCaptureCAM_XIMEA::getProperty( int property_id ) const
{ {
if(hmv == NULL) if(hmv == NULL)
return 0; return 0;

4
modules/videoio/src/cap_xine.cpp
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@ -786,7 +786,7 @@ public:
virtual bool open( const char* filename ); virtual bool open( const char* filename );
virtual void close(); virtual void close();
virtual double getProperty(int); virtual double getProperty(int) const;
virtual bool setProperty(int, double); virtual bool setProperty(int, double);
virtual bool grabFrame(); virtual bool grabFrame();
virtual IplImage* retrieveFrame(int); virtual IplImage* retrieveFrame(int);
@ -821,7 +821,7 @@ IplImage* CvCaptureAVI_XINE_CPP::retrieveFrame(int)
return captureXINE ? (IplImage*)icvRetrieveFrameAVI_XINE( captureXINE, 0 ) : 0; return captureXINE ? (IplImage*)icvRetrieveFrameAVI_XINE( captureXINE, 0 ) : 0;
} }
double CvCaptureAVI_XINE_CPP::getProperty( int propId ) double CvCaptureAVI_XINE_CPP::getProperty( int propId ) const
{ {
return captureXINE ? icvGetPropertyAVI_XINE( captureXINE, propId ) : 0; return captureXINE ? icvGetPropertyAVI_XINE( captureXINE, propId ) : 0;
} }

4
modules/videoio/src/precomp.hpp
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@ -85,7 +85,7 @@
struct CvCapture struct CvCapture
{ {
virtual ~CvCapture() {} virtual ~CvCapture() {}
virtual double getProperty(int) { return 0; } virtual double getProperty(int) const { return 0; }
virtual bool setProperty(int, double) { return 0; } virtual bool setProperty(int, double) { return 0; }
virtual bool grabFrame() { return true; } virtual bool grabFrame() { return true; }
virtual IplImage* retrieveFrame(int) { return 0; } virtual IplImage* retrieveFrame(int) { return 0; }
@ -165,7 +165,7 @@ namespace cv
{ {
public: public:
virtual ~IVideoCapture() {} virtual ~IVideoCapture() {}
virtual double getProperty(int) { return 0; } virtual double getProperty(int) const { return 0; }
virtual bool setProperty(int, double) { return 0; } virtual bool setProperty(int, double) { return 0; }
virtual bool grabFrame() = 0; virtual bool grabFrame() = 0;
virtual bool retrieveFrame(int, cv::OutputArray) = 0; virtual bool retrieveFrame(int, cv::OutputArray) = 0;

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