#include "network.h"
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#include "detection_layer.h"
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#include "region_layer.h"
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#include "cost_layer.h"
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#include "utils.h"
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#include "parser.h"
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#include "box.h"
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#include "image.h"
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#include "demo.h"
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#ifdef WIN32
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#include <time.h>
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#include <winsock.h>
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#include "gettimeofday.h"
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#else
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#include <sys/time.h>
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#endif
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#define FRAMES 3
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#ifdef OPENCV
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#include "opencv2/highgui/highgui_c.h"
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#include "opencv2/imgproc/imgproc_c.h"
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#include "opencv2/core/version.hpp"
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#ifndef CV_VERSION_EPOCH
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#include "opencv2/videoio/videoio_c.h"
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#endif
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#include "http_stream.h"
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image get_image_from_stream(CvCapture *cap);
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static char **demo_names;
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static image **demo_alphabet;
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static int demo_classes;
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static float **probs;
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static box *boxes;
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static network net;
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static image in_s ;
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static image det_s;
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static CvCapture * cap;
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static int cpp_video_capture = 0;
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static float fps = 0;
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static float demo_thresh = 0;
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static float *predictions[FRAMES];
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static int demo_index = 0;
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static image images[FRAMES];
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static IplImage* ipl_images[FRAMES];
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static float *avg;
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void draw_detections_cv(IplImage* show_img, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes);
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void draw_detections_cv_v3(IplImage* show_img, detection *dets, int num, float thresh, char **names, image **alphabet, int classes);
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void show_image_cv_ipl(IplImage *disp, const char *name);
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image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img, int cpp_video_capture);
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IplImage* in_img;
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IplImage* det_img;
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IplImage* show_img;
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static int flag_exit;
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void *fetch_in_thread(void *ptr)
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{
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//in = get_image_from_stream(cap);
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in_s = get_image_from_stream_resize(cap, net.w, net.h, &in_img, cpp_video_capture);
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if(!in_s.data){
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//error("Stream closed.");
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printf("Stream closed.\n");
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flag_exit = 1;
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return EXIT_FAILURE;
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}
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//in_s = resize_image(in, net.w, net.h);
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return 0;
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}
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void *detect_in_thread(void *ptr)
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{
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float nms = .45; // 0.4F
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layer l = net.layers[net.n-1];
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float *X = det_s.data;
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float *prediction = network_predict(net, X);
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memcpy(predictions[demo_index], prediction, l.outputs*sizeof(float));
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mean_arrays(predictions, FRAMES, l.outputs, avg);
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l.output = avg;
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free_image(det_s);
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/*
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if(l.type == DETECTION){
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get_detection_boxes(l, 1, 1, demo_thresh, probs, boxes, 0);
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} else if (l.type == REGION){
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get_region_boxes(l, 1, 1, demo_thresh, probs, boxes, 0, 0);
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} else {
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error("Last layer must produce detections\n");
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}
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if (nms > 0) do_nms(boxes, probs, l.w*l.h*l.n, l.classes, nms);
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*/
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int letter = 0;
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int nboxes = 0;
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detection *dets = get_network_boxes(&net, det_s.w, det_s.h, demo_thresh, demo_thresh, 0, 1, &nboxes, letter);
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if (nms) do_nms_obj(dets, nboxes, l.classes, nms);
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printf("\033[2J");
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printf("\033[1;1H");
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printf("\nFPS:%.1f\n",fps);
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printf("Objects:\n\n");
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//images[demo_index] = det;
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//det = images[(demo_index + FRAMES/2 + 1)%FRAMES];
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ipl_images[demo_index] = det_img;
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det_img = ipl_images[(demo_index + FRAMES / 2 + 1) % FRAMES];
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demo_index = (demo_index + 1)%FRAMES;
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//draw_detections(det, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes);
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draw_detections_cv_v3(det_img, dets, nboxes, demo_thresh, demo_names, demo_alphabet, demo_classes);
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//draw_detections_cv(det_img, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes);
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free_detections(dets, nboxes);
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return 0;
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}
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double get_wall_time()
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{
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struct timeval time;
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if (gettimeofday(&time,NULL)){
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return 0;
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}
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return (double)time.tv_sec + (double)time.tv_usec * .000001;
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}
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void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int cam_index, const char *filename, char **names, int classes,
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int frame_skip, char *prefix, char *out_filename, int http_stream_port, int dont_show)
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{
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//skip = frame_skip;
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image **alphabet = load_alphabet();
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int delay = frame_skip;
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demo_names = names;
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demo_alphabet = alphabet;
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demo_classes = classes;
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demo_thresh = thresh;
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printf("Demo\n");
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net = parse_network_cfg_custom(cfgfile, 1); // set batch=1
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if(weightfile){
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load_weights(&net, weightfile);
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}
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//set_batch_network(&net, 1);
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fuse_conv_batchnorm(net);
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srand(2222222);
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if(filename){
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printf("video file: %s\n", filename);
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//#ifdef CV_VERSION_EPOCH // OpenCV 2.x
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// cap = cvCaptureFromFile(filename);
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//#else // OpenCV 3.x
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cpp_video_capture = 1;
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cap = get_capture_video_stream(filename);
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//#endif
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}else{
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printf("Webcam index: %d\n", cam_index);
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//#ifdef CV_VERSION_EPOCH // OpenCV 2.x
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// cap = cvCaptureFromCAM(cam_index);
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//#else // OpenCV 3.x
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cpp_video_capture = 1;
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cap = get_capture_webcam(cam_index);
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//#endif
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}
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if(!cap) error("Couldn't connect to webcam.\n");
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layer l = net.layers[net.n-1];
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int j;
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avg = (float *) calloc(l.outputs, sizeof(float));
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for(j = 0; j < FRAMES; ++j) predictions[j] = (float *) calloc(l.outputs, sizeof(float));
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for(j = 0; j < FRAMES; ++j) images[j] = make_image(1,1,3);
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boxes = (box *)calloc(l.w*l.h*l.n, sizeof(box));
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probs = (float **)calloc(l.w*l.h*l.n, sizeof(float *));
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for(j = 0; j < l.w*l.h*l.n; ++j) probs[j] = (float *)calloc(l.classes, sizeof(float *));
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flag_exit = 0;
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pthread_t fetch_thread;
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pthread_t detect_thread;
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fetch_in_thread(0);
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det_img = in_img;
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det_s = in_s;
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fetch_in_thread(0);
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detect_in_thread(0);
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det_img = in_img;
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det_s = in_s;
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for(j = 0; j < FRAMES/2; ++j){
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fetch_in_thread(0);
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detect_in_thread(0);
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det_img = in_img;
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det_s = in_s;
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}
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int count = 0;
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if(!prefix && !dont_show){
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cvNamedWindow("Demo", CV_WINDOW_NORMAL);
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cvMoveWindow("Demo", 0, 0);
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cvResizeWindow("Demo", 1352, 1013);
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}
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CvVideoWriter* output_video_writer = NULL; // cv::VideoWriter output_video;
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if (out_filename && !flag_exit)
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{
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CvSize size;
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size.width = det_img->width, size.height = det_img->height;
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//const char* output_name = "test_dnn_out.avi";
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//output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('H', '2', '6', '4'), 25, size, 1);
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output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('D', 'I', 'V', 'X'), 25, size, 1);
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//output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('M', 'J', 'P', 'G'), 25, size, 1);
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//output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('M', 'P', '4', 'V'), 25, size, 1);
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//output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('M', 'P', '4', '2'), 25, size, 1);
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//output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('X', 'V', 'I', 'D'), 25, size, 1);
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//output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('W', 'M', 'V', '2'), 25, size, 1);
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}
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double before = get_wall_time();
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while(1){
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++count;
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if(1){
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if(pthread_create(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
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if(pthread_create(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");
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if(!prefix){
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if (!dont_show) {
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show_image_cv_ipl(show_img, "Demo");
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int c = cvWaitKey(1);
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if (c == 10) {
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if (frame_skip == 0) frame_skip = 60;
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else if (frame_skip == 4) frame_skip = 0;
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else if (frame_skip == 60) frame_skip = 4;
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else frame_skip = 0;
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}
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}
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}else{
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char buff[256];
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sprintf(buff, "%s_%08d", prefix, count);
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//save_image(disp, buff);
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}
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// if you run it with param -http_port 8090 then open URL in your web-browser: http://localhost:8090
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if (http_stream_port > 0 && show_img) {
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//int port = 8090;
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int port = http_stream_port;
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int timeout = 200;
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int jpeg_quality = 30; // 1 - 100
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send_mjpeg(show_img, port, timeout, jpeg_quality);
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}
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// save video file
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if (output_video_writer && show_img) {
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cvWriteFrame(output_video_writer, show_img);
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printf("\n cvWriteFrame \n");
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}
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cvReleaseImage(&show_img);
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pthread_join(fetch_thread, 0);
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pthread_join(detect_thread, 0);
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if (flag_exit == 1) break;
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if(delay == 0){
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show_img = det_img;
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}
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det_img = in_img;
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det_s = in_s;
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}else {
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fetch_in_thread(0);
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det_img = in_img;
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det_s = in_s;
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detect_in_thread(0);
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show_img = det_img;
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if (!dont_show) {
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show_image_cv_ipl(show_img, "Demo");
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cvWaitKey(1);
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}
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cvReleaseImage(&show_img);
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}
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--delay;
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if(delay < 0){
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delay = frame_skip;
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double after = get_wall_time();
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float curr = 1./(after - before);
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fps = curr;
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before = after;
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}
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}
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printf("input video stream closed. \n");
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if (output_video_writer) {
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cvReleaseVideoWriter(&output_video_writer);
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printf("output_video_writer closed. \n");
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}
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}
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#else
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void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int cam_index, const char *filename, char **names, int classes,
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int frame_skip, char *prefix, char *out_filename, int http_stream_port, int dont_show)
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{
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fprintf(stderr, "Demo needs OpenCV for webcam images.\n");
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}
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#endif
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