| | |
| | | // |
| | | // socket related abstractions: |
| | | // |
| | | #ifdef _WIN32 |
| | | #ifdef _WIN32 |
| | | #pragma comment(lib, "ws2_32.lib") |
| | | #include <winsock.h> |
| | | #include <windows.h> |
| | |
| | | #define ADDRPOINTER int* |
| | | struct _INIT_W32DATA |
| | | { |
| | | WSADATA w; |
| | | _INIT_W32DATA() { WSAStartup(MAKEWORD(2, 1), &w); } |
| | | WSADATA w; |
| | | _INIT_W32DATA() { WSAStartup(MAKEWORD(2, 1), &w); } |
| | | } _init_once; |
| | | #else /* ! win32 */ |
| | | #include <unistd.h> |
| | |
| | | using std::endl; |
| | | |
| | | #include "opencv2/opencv.hpp" |
| | | #include "opencv2/highgui.hpp" |
| | | #include "opencv2/highgui/highgui.hpp" |
| | | #include "opencv2/highgui/highgui_c.h" |
| | | #include "opencv2/imgproc/imgproc_c.h" |
| | | #ifndef CV_VERSION_EPOCH |
| | |
| | | |
| | | class MJPGWriter |
| | | { |
| | | SOCKET sock; |
| | | SOCKET maxfd; |
| | | fd_set master; |
| | | int timeout; // master sock timeout, shutdown after timeout millis. |
| | | int quality; // jpeg compression [1..100] |
| | | SOCKET sock; |
| | | SOCKET maxfd; |
| | | fd_set master; |
| | | int timeout; // master sock timeout, shutdown after timeout millis. |
| | | int quality; // jpeg compression [1..100] |
| | | |
| | | int _write(int sock, char const*const s, int len) |
| | | { |
| | | if (len < 1) { len = strlen(s); } |
| | | return ::send(sock, s, len, 0); |
| | | } |
| | | int _write(int sock, char const*const s, int len) |
| | | { |
| | | if (len < 1) { len = strlen(s); } |
| | | return ::send(sock, s, len, 0); |
| | | } |
| | | |
| | | public: |
| | | |
| | | MJPGWriter(int port = 0, int _timeout = 200000, int _quality = 30) |
| | | : sock(INVALID_SOCKET) |
| | | , timeout(_timeout) |
| | | , quality(_quality) |
| | | { |
| | | FD_ZERO(&master); |
| | | if (port) |
| | | open(port); |
| | | } |
| | | MJPGWriter(int port = 0, int _timeout = 200000, int _quality = 30) |
| | | : sock(INVALID_SOCKET) |
| | | , timeout(_timeout) |
| | | , quality(_quality) |
| | | { |
| | | FD_ZERO(&master); |
| | | if (port) |
| | | open(port); |
| | | } |
| | | |
| | | ~MJPGWriter() |
| | | { |
| | | release(); |
| | | } |
| | | ~MJPGWriter() |
| | | { |
| | | release(); |
| | | } |
| | | |
| | | bool release() |
| | | { |
| | | if (sock != INVALID_SOCKET) |
| | | ::shutdown(sock, 2); |
| | | sock = (INVALID_SOCKET); |
| | | return false; |
| | | } |
| | | bool release() |
| | | { |
| | | if (sock != INVALID_SOCKET) |
| | | ::shutdown(sock, 2); |
| | | sock = (INVALID_SOCKET); |
| | | return false; |
| | | } |
| | | |
| | | bool open(int port) |
| | | { |
| | | sock = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| | | bool open(int port) |
| | | { |
| | | sock = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| | | |
| | | SOCKADDR_IN address; |
| | | address.sin_addr.s_addr = INADDR_ANY; |
| | | address.sin_family = AF_INET; |
| | | address.sin_port = htons(port); // ::htons(port); |
| | | if (::bind(sock, (SOCKADDR*)&address, sizeof(SOCKADDR_IN)) == SOCKET_ERROR) |
| | | { |
| | | cerr << "error : couldn't bind sock " << sock << " to port " << port << "!" << endl; |
| | | return release(); |
| | | } |
| | | if (::listen(sock, 10) == SOCKET_ERROR) |
| | | { |
| | | cerr << "error : couldn't listen on sock " << sock << " on port " << port << " !" << endl; |
| | | return release(); |
| | | } |
| | | FD_ZERO(&master); |
| | | FD_SET(sock, &master); |
| | | maxfd = sock; |
| | | return true; |
| | | } |
| | | SOCKADDR_IN address; |
| | | address.sin_addr.s_addr = INADDR_ANY; |
| | | address.sin_family = AF_INET; |
| | | address.sin_port = htons(port); // ::htons(port); |
| | | if (::bind(sock, (SOCKADDR*)&address, sizeof(SOCKADDR_IN)) == SOCKET_ERROR) |
| | | { |
| | | cerr << "error : couldn't bind sock " << sock << " to port " << port << "!" << endl; |
| | | return release(); |
| | | } |
| | | if (::listen(sock, 10) == SOCKET_ERROR) |
| | | { |
| | | cerr << "error : couldn't listen on sock " << sock << " on port " << port << " !" << endl; |
| | | return release(); |
| | | } |
| | | FD_ZERO(&master); |
| | | FD_SET(sock, &master); |
| | | maxfd = sock; |
| | | return true; |
| | | } |
| | | |
| | | bool isOpened() |
| | | { |
| | | return sock != INVALID_SOCKET; |
| | | } |
| | | bool isOpened() |
| | | { |
| | | return sock != INVALID_SOCKET; |
| | | } |
| | | |
| | | bool write(const Mat & frame) |
| | | { |
| | | fd_set rread = master; |
| | | struct timeval to = { 0,timeout }; |
| | | if (::select(maxfd+1, &rread, NULL, NULL, &to) <= 0) |
| | | return true; // nothing broken, there's just noone listening |
| | | bool write(const Mat & frame) |
| | | { |
| | | fd_set rread = master; |
| | | struct timeval to = { 0,timeout }; |
| | | if (::select(maxfd+1, &rread, NULL, NULL, &to) <= 0) |
| | | return true; // nothing broken, there's just noone listening |
| | | |
| | | std::vector<uchar> outbuf; |
| | | std::vector<int> params; |
| | | params.push_back(IMWRITE_JPEG_QUALITY); |
| | | params.push_back(quality); |
| | | cv::imencode(".jpg", frame, outbuf, params); |
| | | size_t outlen = outbuf.size(); |
| | | std::vector<uchar> outbuf; |
| | | std::vector<int> params; |
| | | params.push_back(IMWRITE_JPEG_QUALITY); |
| | | params.push_back(quality); |
| | | cv::imencode(".jpg", frame, outbuf, params); |
| | | size_t outlen = outbuf.size(); |
| | | |
| | | #ifdef _WIN32 |
| | | for (unsigned i = 0; i<rread.fd_count; i++) |
| | | { |
| | | int addrlen = sizeof(SOCKADDR); |
| | | SOCKET s = rread.fd_array[i]; // fd_set on win is an array, while ... |
| | | #else |
| | | for (int s = 0; s<=maxfd; s++) |
| | | { |
| | | socklen_t addrlen = sizeof(SOCKADDR); |
| | | if (!FD_ISSET(s, &rread)) // ... on linux it's a bitmask ;) |
| | | continue; |
| | | #endif |
| | | if (s == sock) // request on master socket, accept and send main header. |
| | | { |
| | | SOCKADDR_IN address = { 0 }; |
| | | SOCKET client = ::accept(sock, (SOCKADDR*)&address, &addrlen); |
| | | if (client == SOCKET_ERROR) |
| | | { |
| | | cerr << "error : couldn't accept connection on sock " << sock << " !" << endl; |
| | | return false; |
| | | } |
| | | maxfd = (maxfd>client ? maxfd : client); |
| | | FD_SET(client, &master); |
| | | _write(client, "HTTP/1.0 200 OK\r\n", 0); |
| | | _write(client, |
| | | "Server: Mozarella/2.2\r\n" |
| | | "Accept-Range: bytes\r\n" |
| | | "Connection: close\r\n" |
| | | "Max-Age: 0\r\n" |
| | | "Expires: 0\r\n" |
| | | "Cache-Control: no-cache, private\r\n" |
| | | "Pragma: no-cache\r\n" |
| | | "Content-Type: multipart/x-mixed-replace; boundary=mjpegstream\r\n" |
| | | "\r\n", 0); |
| | | cerr << "new client " << client << endl; |
| | | } |
| | | else // existing client, just stream pix |
| | | { |
| | | char head[400]; |
| | | sprintf(head, "--mjpegstream\r\nContent-Type: image/jpeg\r\nContent-Length: %zu\r\n\r\n", outlen); |
| | | _write(s, head, 0); |
| | | int n = _write(s, (char*)(&outbuf[0]), outlen); |
| | | //cerr << "known client " << s << " " << n << endl; |
| | | if (n < outlen) |
| | | { |
| | | cerr << "kill client " << s << endl; |
| | | ::shutdown(s, 2); |
| | | FD_CLR(s, &master); |
| | | } |
| | | } |
| | | } |
| | | return true; |
| | | } |
| | | #ifdef _WIN32 |
| | | for (unsigned i = 0; i<rread.fd_count; i++) |
| | | { |
| | | int addrlen = sizeof(SOCKADDR); |
| | | SOCKET s = rread.fd_array[i]; // fd_set on win is an array, while ... |
| | | #else |
| | | for (int s = 0; s<=maxfd; s++) |
| | | { |
| | | socklen_t addrlen = sizeof(SOCKADDR); |
| | | if (!FD_ISSET(s, &rread)) // ... on linux it's a bitmask ;) |
| | | continue; |
| | | #endif |
| | | if (s == sock) // request on master socket, accept and send main header. |
| | | { |
| | | SOCKADDR_IN address = { 0 }; |
| | | SOCKET client = ::accept(sock, (SOCKADDR*)&address, &addrlen); |
| | | if (client == SOCKET_ERROR) |
| | | { |
| | | cerr << "error : couldn't accept connection on sock " << sock << " !" << endl; |
| | | return false; |
| | | } |
| | | maxfd = (maxfd>client ? maxfd : client); |
| | | FD_SET(client, &master); |
| | | _write(client, "HTTP/1.0 200 OK\r\n", 0); |
| | | _write(client, |
| | | "Server: Mozarella/2.2\r\n" |
| | | "Accept-Range: bytes\r\n" |
| | | "Connection: close\r\n" |
| | | "Max-Age: 0\r\n" |
| | | "Expires: 0\r\n" |
| | | "Cache-Control: no-cache, private\r\n" |
| | | "Pragma: no-cache\r\n" |
| | | "Content-Type: multipart/x-mixed-replace; boundary=mjpegstream\r\n" |
| | | "\r\n", 0); |
| | | cerr << "new client " << client << endl; |
| | | } |
| | | else // existing client, just stream pix |
| | | { |
| | | char head[400]; |
| | | sprintf(head, "--mjpegstream\r\nContent-Type: image/jpeg\r\nContent-Length: %zu\r\n\r\n", outlen); |
| | | _write(s, head, 0); |
| | | int n = _write(s, (char*)(&outbuf[0]), outlen); |
| | | //cerr << "known client " << s << " " << n << endl; |
| | | if (n < outlen) |
| | | { |
| | | cerr << "kill client " << s << endl; |
| | | ::shutdown(s, 2); |
| | | FD_CLR(s, &master); |
| | | } |
| | | } |
| | | } |
| | | return true; |
| | | } |
| | | }; |
| | | // ---------------------------------------- |
| | | |
| | | void send_mjpeg(IplImage* ipl, int port, int timeout, int quality) { |
| | | static MJPGWriter wri(port, timeout, quality); |
| | | cv::Mat mat = cv::cvarrToMat(ipl); |
| | | wri.write(mat); |
| | | std::cout << " MJPEG-stream sent. \n"; |
| | | static MJPGWriter wri(port, timeout, quality); |
| | | cv::Mat mat = cv::cvarrToMat(ipl); |
| | | wri.write(mat); |
| | | std::cout << " MJPEG-stream sent. \n"; |
| | | } |
| | | // ---------------------------------------- |
| | | |
| | | 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* 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; |
| | | 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; |
| | | 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 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) |
| | | int pleft, int ptop, int swidth, int sheight, int flip, |
| | | float jitter, float dhue, float dsat, float dexp) |
| | | { |
| | | cv::Mat img = cv::cvarrToMat(ipl); |
| | | 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; |
| | | // 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::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)); |
| | | 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)); |
| | | img(new_src_rect).copyTo(cropped(dst_rect)); |
| | | |
| | | // resize |
| | | cv::Mat sized; |
| | | cv::resize(cropped, sized, cv::Size(w, h), 0, 0, INTER_LINEAR); |
| | | // 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(); |
| | | } |
| | | // 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 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 |
| | | |
| | | hsv[1] *= dsat; |
| | | hsv[2] *= dexp; |
| | | hsv[0] += 179 * dhue; |
| | | std::vector<cv::Mat> hsv; |
| | | cv::split(hsv_src, hsv); |
| | | |
| | | cv::merge(hsv, hsv_src); |
| | | hsv[1] *= dsat; |
| | | hsv[2] *= dexp; |
| | | hsv[0] += 179 * dhue; |
| | | |
| | | cvtColor(hsv_src, sized, CV_HSV2RGB); // now RGB instead of BGR |
| | | } |
| | | else |
| | | { |
| | | sized *= dexp; |
| | | } |
| | | cv::merge(hsv, hsv_src); |
| | | |
| | | // Mat -> IplImage -> image |
| | | IplImage src = sized; |
| | | image out = ipl_to_image(&src); |
| | | cvtColor(hsv_src, sized, CV_HSV2RGB); // now RGB instead of BGR |
| | | } |
| | | else |
| | | { |
| | | sized *= dexp; |
| | | } |
| | | |
| | | return out; |
| | | // Mat -> IplImage -> image |
| | | IplImage src = sized; |
| | | image out = ipl_to_image(&src); |
| | | |
| | | return out; |
| | | } |
| | | |
| | | |
| | | #endif // OPENCV |
| | | #endif // OPENCV |