| | |
| | | #define SOCKET_ERROR -1 |
| | | #endif /* _WIN32 */ |
| | | |
| | | #include <cstdio> |
| | | #include <vector> |
| | | #include <iostream> |
| | | using std::cerr; |
| | | using std::endl; |
| | | |
| | | #include "opencv2/opencv.hpp" |
| | | #include "opencv2/highgui/highgui.hpp" |
| | | #include "opencv2/highgui/highgui_c.h" |
| | | #include "opencv2/imgproc/imgproc_c.h" |
| | | #ifndef CV_VERSION_EPOCH |
| | | #include "opencv2/videoio/videoio.hpp" |
| | | #endif |
| | | using namespace cv; |
| | | |
| | | #include "http_stream.h" |
| | | #include "image.h" |
| | | |
| | | |
| | | class MJPGWriter |
| | |
| | | return true; |
| | | } |
| | | }; |
| | | |
| | | |
| | | // ---------------------------------------- |
| | | |
| | | void send_mjpeg(IplImage* ipl, int port, int timeout, int quality) { |
| | | static MJPGWriter wri(port, timeout, quality); |
| | |
| | | wri.write(mat); |
| | | std::cout << " MJPEG-stream sent. \n"; |
| | | } |
| | | // ---------------------------------------- |
| | | |
| | | #endif // OPENCV |
| | | CvCapture* get_capture_video_stream(char *path) { |
| | | CvCapture* cap = NULL; |
| | | try { |
| | | cap = (CvCapture*)new cv::VideoCapture(path); |
| | | } |
| | | catch (...) { |
| | | std::cout << " Error: video-stream " << path << " can't be opened! \n"; |
| | | } |
| | | return cap; |
| | | } |
| | | // ---------------------------------------- |
| | | |
| | | CvCapture* get_capture_webcam(int index) { |
| | | CvCapture* cap = NULL; |
| | | try { |
| | | cap = (CvCapture*)new cv::VideoCapture(index); |
| | | //((cv::VideoCapture*)cap)->set(CV_CAP_PROP_FRAME_WIDTH, 1280); |
| | | //((cv::VideoCapture*)cap)->set(CV_CAP_PROP_FRAME_HEIGHT, 960); |
| | | } |
| | | catch (...) { |
| | | std::cout << " Error: Web-camera " << index << " can't be opened! \n"; |
| | | } |
| | | return cap; |
| | | } |
| | | // ---------------------------------------- |
| | | |
| | | IplImage* get_webcam_frame(CvCapture *cap) { |
| | | IplImage* src = NULL; |
| | | try { |
| | | cv::VideoCapture &cpp_cap = *(cv::VideoCapture *)cap; |
| | | cv::Mat frame; |
| | | if (cpp_cap.isOpened()) |
| | | { |
| | | cpp_cap >> frame; |
| | | IplImage tmp = frame; |
| | | src = cvCloneImage(&tmp); |
| | | } |
| | | else { |
| | | std::cout << " Video-stream stoped! \n"; |
| | | } |
| | | } |
| | | catch (...) { |
| | | std::cout << " Video-stream stoped! \n"; |
| | | } |
| | | return src; |
| | | } |
| | | |
| | | int get_stream_fps_cpp(CvCapture *cap) { |
| | | int fps = 25; |
| | | try { |
| | | cv::VideoCapture &cpp_cap = *(cv::VideoCapture *)cap; |
| | | #ifndef CV_VERSION_EPOCH // OpenCV 3.x |
| | | fps = cpp_cap.get(CAP_PROP_FPS); |
| | | #else // OpenCV 2.x |
| | | fps = cpp_cap.get(CV_CAP_PROP_FPS); |
| | | #endif |
| | | } |
| | | catch (...) { |
| | | std::cout << " Can't get FPS of source videofile. For output video FPS = 25 by default. \n"; |
| | | } |
| | | return fps; |
| | | } |
| | | // ---------------------------------------- |
| | | extern "C" { |
| | | image ipl_to_image(IplImage* src); // image.c |
| | | } |
| | | |
| | | image image_data_augmentation(IplImage* ipl, int w, int h, |
| | | int pleft, int ptop, int swidth, int sheight, int flip, |
| | | float jitter, float dhue, float dsat, float dexp) |
| | | { |
| | | cv::Mat img = cv::cvarrToMat(ipl); |
| | | |
| | | // crop |
| | | cv::Rect src_rect(pleft, ptop, swidth, sheight); |
| | | cv::Rect img_rect(cv::Point2i(0, 0), img.size()); |
| | | cv::Rect new_src_rect = src_rect & img_rect; |
| | | |
| | | cv::Rect dst_rect(cv::Point2i(std::max(0, -pleft), std::max(0, -ptop)), new_src_rect.size()); |
| | | |
| | | cv::Mat cropped(cv::Size(src_rect.width, src_rect.height), img.type()); |
| | | cropped.setTo(cv::Scalar::all(0)); |
| | | |
| | | img(new_src_rect).copyTo(cropped(dst_rect)); |
| | | |
| | | // resize |
| | | cv::Mat sized; |
| | | cv::resize(cropped, sized, cv::Size(w, h), 0, 0, INTER_LINEAR); |
| | | |
| | | // flip |
| | | if (flip) { |
| | | cv::flip(sized, cropped, 1); // 0 - x-axis, 1 - y-axis, -1 - both axes (x & y) |
| | | sized = cropped.clone(); |
| | | } |
| | | |
| | | // HSV augmentation |
| | | // CV_BGR2HSV, CV_RGB2HSV, CV_HSV2BGR, CV_HSV2RGB |
| | | if (ipl->nChannels >= 3) |
| | | { |
| | | cv::Mat hsv_src; |
| | | cvtColor(sized, hsv_src, CV_BGR2HSV); // also BGR -> RGB |
| | | |
| | | std::vector<cv::Mat> hsv; |
| | | cv::split(hsv_src, hsv); |
| | | |
| | | hsv[1] *= dsat; |
| | | hsv[2] *= dexp; |
| | | hsv[0] += 179 * dhue; |
| | | |
| | | cv::merge(hsv, hsv_src); |
| | | |
| | | cvtColor(hsv_src, sized, CV_HSV2RGB); // now RGB instead of BGR |
| | | } |
| | | else |
| | | { |
| | | sized *= dexp; |
| | | } |
| | | |
| | | // Mat -> IplImage -> image |
| | | IplImage src = sized; |
| | | image out = ipl_to_image(&src); |
| | | |
| | | return out; |
| | | } |
| | | |
| | | |
| | | #endif // OPENCV |