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videoInputLibraryとOpenCVを組み合わせてLogicool C910で1920x1080のキャプチャをしてみるテスト(Windows)
//
// C910CaptureTest.cpp
//
// Windows上でLogicool C910を使って1920x1080のキャプチャができることを確認。
// videoInput LibraryとOpenCV2.2を組み合わせて実装してます。
//
//
// OpenCV 2.2
// http://opencv.willowgarage.com/wiki/
//
#pragma warning(disable: 4819)
#pragma warning(disable: 4996)
#include <opencv/cv.h>
#include <opencv/highgui.h>
#ifdef _DEBUG
#pragma comment(lib, "opencv_core220d.lib")
#pragma comment(lib, "opencv_highgui220d.lib")
#else
#pragma comment(lib, "opencv_core220.lib")
#pragma comment(lib, "opencv_highgui220.lib")
#endif
//
// videoInput Library
// http://www.muonics.net/school/spring05/videoInput/
//
#include <videoInput.h>
#pragma comment(lib, "videoInput.lib")
#pragma comment(linker, "/NODEFAULTLIB:atlthunk")
#pragma comment(linker, "/NODEFAULTLIB:libcmt")
//
// videoInput Library wrapper class
//
class VideoInputLib
{
private:
IplImage *img_;
int camera_id_;
videoInput VI;
public:
typedef enum tagCameraSetting {
BRIGHTNESS = 0,
CONTRAST = 1,
HUE = 2,
SATURATION = 3,
SHARPNESS = 4,
GAMMA = 5,
COLOR_ENABLE = 6,
WHITE_BALANCE = 7,
BACKLIGHT_COMPENSATION = 8,
GAIN = 9,
PAN = 100,
TILT = 101,
ROLL = 102,
ZOOM = 103,
EXPOSURE = 104,
IRIS = 105,
FOCUS = 106
} CameraSetting;
typedef enum tagCameraSettingFlag {
AUTO = 1,
MANUAL = 2
} CameraSettingFlag;
public:
VideoInputLib() : img_(NULL), camera_id_(-1)
{
videoInput::setVerbose(false);
VI.setUseCallback(true);
// for debug...
VI.listDevices();
};
virtual ~VideoInputLib()
{
stop();
};
bool start(const int &camera_id, const int &width, const int &height, const int &fps = 30)
{
stop();
VI.setIdealFramerate(camera_id, fps);
if (VI.setupDevice(camera_id, width, height, VI_COMPOSITE) == false) return false;
this->camera_id_ = camera_id;
img_ = cvCreateImage(cvSize(width, height), 8, 3);
return true;
};
void stop()
{
if (this->camera_id_ != -1) {
VI.stopDevice(this->camera_id_);
this->camera_id_ = -1;
}
if (img_ != NULL) {
cvReleaseImage(&img_);
img_ = NULL;
}
};
void grab()
{
//3番目、4番目の引数はRGBをBGRにするか、上下逆転させるかのフラグ
VI.getPixels(camera_id_, (unsigned char*)(img_->imageData), false, true);
};
IplImage* image()
{
return img_;
}
bool getSetting(long prop, long &min, long &max, long &stepping_delta, long &current_value, long &flags, long &default_value)
{
if (prop < 100) {
return VI.getVideoSettingFilter(camera_id_, prop, min, max, stepping_delta, current_value, flags, default_value);
}
else {
long camera_prop = prop - 100;
return VI.getVideoSettingCamera(camera_id_, camera_prop, min, max, stepping_delta, current_value, flags, default_value);
}
return false;
}
bool setSetting(long prop, long val, long flags = NULL, bool use_default = false)
{
bool rv;
long min, max, sd, cv, f, dv;
if (prop < 100) {
rv = VI.getVideoSettingFilter(camera_id_, prop, min, max, sd, cv, f, dv);
if (rv == false) return false;
return VI.setVideoSettingFilter(camera_id_, prop, (val/sd)*sd, flags, use_default);
}
else {
long camera_prop = prop - 100;
rv = VI.getVideoSettingCamera(camera_id_, camera_prop, min, max, sd, cv, f, dv);
if (rv == false) return false;
return VI.setVideoSettingCamera(camera_id_, camera_prop, (val/sd)*sd, flags, use_default);
}
return false;
}
};
const char *window_name = "test";
//
// How to use
//
int main(int argc, char* argv[])
{
VideoInputLib vi;
IplImage *img;
bool rv;
// 初期化
rv = vi.start(
0, // camera_id
1920, // capture width
1080 // capture height
);
if (rv== false) {
fprintf(stderr, "vi.start() failed...\n");
return false;
}
// キャプチャループ
cvNamedWindow (window_name);
while(1) {
vi.grab();
img = vi.image();
cvShowImage(window_name, img);
int c = cvWaitKey(20);
if (c == 27) break;
}
// 終了処理
vi.stop();
cvDestroyAllWindows();
return 0;
}
@yoggy

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yoggy commented Jan 20, 2011

Visual C++2008で動作確認してます。

@yoggy

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yoggy commented Mar 7, 2013

cv::Matを使用するOpenCV2.?向けサンプルはこちら。
https://gist.github.com/yoggy/5097104

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