Fawkes API  Fawkes Development Version
v4l.h
1 
2 /***************************************************************************
3  * v4l.h - General Video4Linux access
4  *
5  * Generated: Sat Jul 5 16:16:16 2008
6  * Copyright 2008 Tobias Kellner
7  *
8  ****************************************************************************/
9 
10 /* This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version. A runtime exception applies to
14  * this software (see LICENSE.GPL_WRE file mentioned below for details).
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU Library General Public License for more details.
20  *
21  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
22  */
23 
24 #ifndef _FIREVISION_CAMS_V4L_H_
25 #define _FIREVISION_CAMS_V4L_H_
26 
27 #include <fvcams/camera.h>
28 //#include <sys/types.h>
29 
30 namespace firevision {
31 
32 class CameraArgumentParser;
33 
34 class V4LCamera : public Camera
35 {
36 public:
37  V4LCamera(const char *device_name = "/dev/video0");
38  V4LCamera(const CameraArgumentParser *cap);
39  virtual ~V4LCamera();
40 
41  virtual void open();
42  virtual void start();
43  virtual void stop();
44  virtual void close();
45  virtual void flush();
46  virtual void capture();
47  virtual void print_info();
48  virtual bool ready();
49 
50  virtual unsigned char *buffer();
51  virtual unsigned int buffer_size();
52  virtual void dispose_buffer();
53 
54  virtual unsigned int pixel_width();
55  virtual unsigned int pixel_height();
56  virtual colorspace_t colorspace();
57 
58  virtual void set_image_number(unsigned int n);
59 
60 private:
61  Camera *_v4l_cam;
62  char * _device_name;
63 };
64 
65 } // end namespace firevision
66 
67 #endif //FIREVISION_CAMS_V4L_H__
Camera argument parser.
Definition: camargp.h:36
Camera interface for image aquiring devices in FireVision.
Definition: camera.h:33
General Video4Linux camera implementation.
Definition: v4l.h:35
virtual unsigned int pixel_width()
Width of image in pixels.
Definition: v4l.cpp:193
virtual void set_image_number(unsigned int n)
Set image number to retrieve.
Definition: v4l.cpp:217
virtual void dispose_buffer()
Dispose current buffer.
Definition: v4l.cpp:186
virtual void flush()
Flush image queue.
Definition: v4l.cpp:147
virtual colorspace_t colorspace()
Colorspace of returned image.
Definition: v4l.cpp:211
virtual unsigned int buffer_size()
Size of buffer.
Definition: v4l.cpp:180
virtual void print_info()
Print out camera information.
Definition: v4l.cpp:161
virtual ~V4LCamera()
Destructor.
Definition: v4l.cpp:79
virtual void close()
Close camera.
Definition: v4l.cpp:140
virtual bool ready()
Camera is ready for taking pictures.
Definition: v4l.cpp:168
virtual unsigned char * buffer()
Get access to current image buffer.
Definition: v4l.cpp:174
virtual void start()
Start image transfer from the camera.
Definition: v4l.cpp:122
virtual unsigned int pixel_height()
Height of image in pixels.
Definition: v4l.cpp:202
V4LCamera(const char *device_name="/dev/video0")
Constructor.
Definition: v4l.cpp:57
virtual void open()
Open the camera.
Definition: v4l.cpp:87
virtual void capture()
Capture an image.
Definition: v4l.cpp:154
virtual void stop()
Stop image transfer from the camera.
Definition: v4l.cpp:131