Visual Servoing Platform  version 3.4.1 under development (2021-04-20)
vpDirectShowGrabber.h
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30  *
31  * Description:
32  * DirectShow framegrabber.
33  *
34  * Authors:
35  * Bruno Renier
36  * Anthony Saunier
37  *
38  *****************************************************************************/
39 
40 #ifndef vpDirectShowGrabber_hh
41 #define vpDirectShowGrabber_hh
42 
43 #include <visp3/core/vpConfig.h>
44 #if (defined(VISP_HAVE_DIRECTSHOW))
45 
46 #include <visp3/core/vpFrameGrabber.h>
47 #include <visp3/core/vpImage.h>
48 #include <visp3/core/vpRGBa.h>
49 
50 class vpDirectShowGrabberImpl;
51 
63 class VISP_EXPORT vpDirectShowGrabber : public vpFrameGrabber
64 {
65  vpDirectShowGrabberImpl *grabber;
66 
67 public:
68  unsigned int getHeight();
69  unsigned int getWidth();
70 
72  virtual ~vpDirectShowGrabber();
73 
74  void open();
76  void open(vpImage<vpRGBa> &I);
77 
79  void acquire(vpImage<vpRGBa> &I);
80 
81  void close();
82 
83  // get the number of capture devices
84  unsigned int getDeviceNumber();
85 
86  // change the capture device
87  bool setDevice(unsigned int id);
88 
89  // displays a list of available devices
90  void displayDevices();
91 
92  // set image size
93  bool setImageSize(unsigned int width, unsigned int height);
94 
95  // set source framerate
96  bool setFramerate(double framerate);
97 
98  // set capture format
99  bool setFormat(unsigned int width, unsigned int height, double framerate);
100 
101  // get capture format
102  void getFormat(unsigned int &width, unsigned int &height, double &framerate);
103 
104  // Get the available capture formats
105  bool getStreamCapabilities();
106 
107  // Set capture MediaType
108  bool setMediaType(int mediaTypeID);
109 
110  // Get current capture MediaType
111  int getMediaType();
112 };
113 #endif
114 #endif
unsigned int getHeight() const
Return the number of rows in the image.
class for windows direct show devices
virtual void open(vpImage< unsigned char > &I)=0
Base class for all video devices. It is designed to provide a front end to video sources.
unsigned int getWidth() const
Return the number of columns in the image.
virtual void close()=0
virtual void acquire(vpImage< unsigned char > &I)=0