source: flair-src/trunk/lib/FlairSensorActuator/src/V4LCamera.cpp @ 165

Last change on this file since 165 was 165, checked in by Sanahuja Guillaume, 5 years ago

modifs

File size: 6.3 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5//  created:    2014/07/17
6//  filename:   V4LCamera.cpp
7//
8//  author:     Guillaume Sanahuja
9//              Copyright Heudiasyc UMR UTC/CNRS 7253
10//
11//  version:    $Id: $
12//
13//  purpose:    base class for V4l camera
14//
15//
16/*********************************************************************/
17
18#include "V4LCamera.h"
19#include <GroupBox.h>
20#include <DoubleSpinBox.h>
21#include <CheckBox.h>
22#include <Label.h>
23#include <cvimage.h>
24#include <FrameworkManager.h>
25#include <linux/videodev2.h>
26
27using std::string;
28using namespace flair::core;
29using namespace flair::gui;
30
31namespace flair {
32namespace sensor {
33
34V4LCamera::V4LCamera(string name,
35                     uint8_t camera_index, uint16_t width, uint16_t height,
36                     cvimage::Type::Format format, uint8_t priority)
37    : Thread(getFrameworkManager(), name, priority),
38      Camera(name, width, height, format) {
39  capture = cvCaptureFromCAM(camera_index); // a mettre apres l'init dsp
40
41  if (capture < 0)
42    Thread::Err("cvCaptureFromCAM error\n");
43
44  if (cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH, width)<0)
45    Thread::Err("cvSetCaptureProperty error\n");
46  if (cvSetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT, height)<0)
47    Thread::Err("cvSetCaptureProperty error\n");
48
49  if (format == cvimage::Type::Format::UYVY) {
50    if (cvSetCaptureProperty(capture, CV_CAP_PROP_FORMAT, V4L2_PIX_FMT_UYVY)<0)
51      Thread::Err("cvSetCaptureProperty error\n");
52  } else if (format == cvimage::Type::Format::YUYV) {
53    if (cvSetCaptureProperty(capture, CV_CAP_PROP_FORMAT, V4L2_PIX_FMT_YUYV) <
54        0)
55      Thread::Err("cvSetCaptureProperty error\n");
56  } else {
57    Thread::Err("format not supported\n");
58  }
59
60  // station sol
61  gain = new DoubleSpinBox(GetGroupBox()->NewRow(), "gain:", 0, 1, 0.1);
62  exposure = new DoubleSpinBox(GetGroupBox()->LastRowLastCol(), "exposure:", 0,
63                               1, 0.1);
64  bright =
65      new DoubleSpinBox(GetGroupBox()->LastRowLastCol(), "bright:", 0, 1, 0.1);
66  contrast = new DoubleSpinBox(GetGroupBox()->LastRowLastCol(), "contrast:", 0,
67                               1, 0.1);
68  hue = new DoubleSpinBox(GetGroupBox()->LastRowLastCol(), "hue:", 0, 1, 0.1);
69  sharpness = new DoubleSpinBox(GetGroupBox()->LastRowLastCol(), "sharpness:",
70                                0, 1, 0.1);
71  sat = new DoubleSpinBox(GetGroupBox()->LastRowLastCol(), "saturation:", 0, 1,
72                          0.1);
73  autogain = new CheckBox(GetGroupBox()->NewRow(), "autogain:");
74  autoexposure = new CheckBox(GetGroupBox()->LastRowLastCol(), "autoexposure:");
75  awb = new CheckBox(GetGroupBox()->LastRowLastCol(), "awb:");
76  fps = new Label(GetGroupBox()->NewRow(), "fps");
77 
78  hasProblems=false;
79}
80
81V4LCamera::~V4LCamera() {
82  SafeStop();
83  Join();
84}
85
86void V4LCamera::Run(void) {
87  Time cam_time, new_time, fpsNow, fpsPrev;
88  IplImage *img; // raw image
89  int fpsCounter = 0;
90
91  // init image old
92  if (!cvGrabFrame(capture)) {
93    Printf("Could not grab a frame\n");
94  }
95  cam_time = GetTime();
96  fpsPrev = cam_time;
97
98  while (!ToBeStopped()) {
99    //check for ps3eye deconnection in hds uav
100    if(cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH)<0) {
101      Thread::Warn("camera disconnected\n");
102      hasProblems=true;
103    }
104   
105    // fps counter
106    fpsCounter++;
107    if (fpsCounter == 100) {
108      fpsNow = GetTime();
109      fps->SetText("fps: %.1f",
110       fpsCounter / ((float)(fpsNow - fpsPrev) / 1000000000.));
111      fpsCounter = 0;
112      fpsPrev = fpsNow;
113    }
114
115    // cam properties
116    if (gain->ValueChanged() == true && autogain->Value() == false)
117      SetGain(gain->Value());
118    if (exposure->ValueChanged() == true && autoexposure->Value() == false)
119      SetExposure(exposure->Value());
120    if (bright->ValueChanged() == true)
121      SetBrightness(bright->Value());
122    if (sat->ValueChanged() == true)
123      SetSaturation(sat->Value());
124    if (contrast->ValueChanged() == true)
125      SetContrast(contrast->Value());
126    if (hue->ValueChanged() == true)
127      SetHue(hue->Value());
128    if (sharpness->ValueChanged() == true)
129      cvSetCaptureProperty(capture, CV_CAP_PROP_SHARPNESS, sharpness->Value());
130    if (autogain->ValueChanged() == true) {
131      if (autogain->Value() == true) {
132        gain->setEnabled(false);
133      } else {
134        gain->setEnabled(true);
135        SetGain(gain->Value());
136      }
137      SetAutoGain(autogain->Value());
138    }
139    if (autoexposure->ValueChanged() == true) {
140      if (autoexposure->Value() == true) {
141        exposure->setEnabled(false);
142      } else {
143        exposure->setEnabled(true);
144        SetExposure(exposure->Value());
145      }
146      SetAutoExposure(autoexposure->Value());
147    }
148    if (awb->ValueChanged() == true)
149      cvSetCaptureProperty(capture, CV_CAP_PROP_AWB, awb->Value());
150
151    // cam pictures
152    img = cvRetrieveRawFrame(capture);
153    if (!cvGrabFrame(capture)) {
154      Printf("Could not grab a frame\n");
155    }
156    new_time = GetTime();
157   
158    //check for ps3eye deconnection in hds uav
159    if(new_time-cam_time>100*1000*1000) {
160      Thread::Warn("delta trop grand\n");
161      hasProblems=true;
162    }
163
164    output->GetMutex();
165    output->img->imageData = img->imageData;
166    output->ReleaseMutex();
167
168    output->SetDataTime(cam_time);
169    ProcessUpdate(output);
170
171    cam_time = new_time;
172  }
173
174  cvReleaseCapture(&capture);
175}
176
177bool V4LCamera::HasProblems(void) {
178  return hasProblems;
179}
180
181void V4LCamera::SetAutoGain(bool value) {
182  cvSetCaptureProperty(capture, CV_CAP_PROP_AUTOGAIN, value);
183}
184
185void V4LCamera::SetAutoExposure(bool value) {
186  Thread::Warn("not implemented in opencv\n");
187}
188
189void V4LCamera::SetGain(float value) {
190  cvSetCaptureProperty(capture, CV_CAP_PROP_GAIN, value);
191}
192
193void V4LCamera::SetExposure(float value) {
194  cvSetCaptureProperty(capture, CV_CAP_PROP_EXPOSURE, value);
195}
196
197void V4LCamera::SetBrightness(float value) {
198  cvSetCaptureProperty(capture, CV_CAP_PROP_BRIGHTNESS, value);
199}
200
201void V4LCamera::SetSaturation(float value) {
202  cvSetCaptureProperty(capture, CV_CAP_PROP_SATURATION, value);
203}
204
205void V4LCamera::SetHue(float value) {
206  cvSetCaptureProperty(capture, CV_CAP_PROP_HUE, value);
207}
208
209void V4LCamera::SetContrast(float value) {
210  cvSetCaptureProperty(capture, CV_CAP_PROP_CONTRAST, value);
211}
212
213} // end namespace sensor
214} // end namespace flair
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