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demo.c
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demo.c
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#include "network.h"
#include "detection_layer.h"
#include "region_layer.h"
#include "cost_layer.h"
#include "utils.h"
#include "parser.h"
#include "box.h"
#include "image.h"
#include "demo.h"
#include <sys/time.h>
#define FRAMES 3
#ifdef OPENCV
#include "opencv2/highgui/highgui_c.h"
#include "opencv2/imgproc/imgproc_c.h"
image get_image_from_stream(CvCapture *cap);
static char **demo_names;
static image **demo_alphabet;
static int demo_classes;
static float **probs;
static box *boxes;
static network net;
static image in ;
static image in_s ;
static image det ;
static image det_s;
static image disp = {0};
static CvCapture * cap;
static float fps = 0;
static float demo_thresh = 0;
static float *predictions[FRAMES];
static int demo_index = 0;
static image images[FRAMES];
static float *avg;
static FILE *out_file;
void *fetch_in_thread(void *ptr)
{
in = get_image_from_stream(cap);
if(!in.data){
error("Stream closed.");
}
in_s = resize_image(in, net.w, net.h);
return 0;
}
void *detect_in_thread(void *ptr)
{
float nms = .4;
layer l = net.layers[net.n-1];
float *X = det_s.data;
float *prediction = network_predict(net, X);
memcpy(predictions[demo_index], prediction, l.outputs*sizeof(float));
mean_arrays(predictions, FRAMES, l.outputs, avg);
l.output = avg;
free_image(det_s);
if(l.type == DETECTION){
get_detection_boxes(l, 1, 1, demo_thresh, probs, boxes, 0);
} else if (l.type == REGION){
get_region_boxes(l, 1, 1, demo_thresh, probs, boxes, 0, 0);
} else {
error("Last layer must produce detections\n");
}
if (nms > 0) do_nms(boxes, probs, l.w*l.h*l.n, l.classes, nms);
printf("\033[2J");
printf("\033[1;1H");
printf("\nFPS:%.1f\n",fps);
printf("\nFrame:%.1f/%.1f\n",cvGetCaptureProperty(cap,CV_CAP_PROP_POS_FRAMES), cvGetCaptureProperty(cap,CV_CAP_PROP_FRAME_COUNT));
printf("\nComplete: :%.2f\%\n",(cvGetCaptureProperty(cap,CV_CAP_PROP_POS_FRAMES)/cvGetCaptureProperty(cap,CV_CAP_PROP_FRAME_COUNT))*100);
images[demo_index] = det;
det = images[(demo_index + FRAMES/2 + 1)%FRAMES];
demo_index = (demo_index + 1)%FRAMES;
// draw_detections(det, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes);
draw_detections_file_cap(det, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes, out_file, cap);
return 0;
}
double get_wall_time()
{
struct timeval time;
if (gettimeofday(&time,NULL)){
return 0;
}
return (double)time.tv_sec + (double)time.tv_usec * .000001;
}
void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes, int frame_skip, char *prefix)
{
//skip = frame_skip;
image **alphabet = load_alphabet();
int delay = frame_skip;
demo_names = names;
demo_alphabet = alphabet;
demo_classes = classes;
demo_thresh = thresh;
printf("Demo\n");
net = parse_network_cfg(cfgfile);
if(weightfile){
load_weights(&net, weightfile);
}
set_batch_network(&net, 1);
srand(2222222);
if(filename){
printf("video file: %s\n", filename);
cap = cvCaptureFromFile(filename);
}else{
cap = cvCaptureFromCAM(cam_index);
}
if(!cap) error("Couldn't connect to webcam.\n");
layer l = net.layers[net.n-1];
int j;
avg = (float *) calloc(l.outputs, sizeof(float));
for(j = 0; j < FRAMES; ++j) predictions[j] = (float *) calloc(l.outputs, sizeof(float));
for(j = 0; j < FRAMES; ++j) images[j] = make_image(1,1,3);
boxes = (box *)calloc(l.w*l.h*l.n, sizeof(box));
probs = (float **)calloc(l.w*l.h*l.n, sizeof(float *));
for(j = 0; j < l.w*l.h*l.n; ++j) probs[j] = (float *)calloc(l.classes, sizeof(float *));
pthread_t fetch_thread;
pthread_t detect_thread;
fetch_in_thread(0);
det = in;
det_s = in_s;
fetch_in_thread(0);
detect_in_thread(0);
disp = det;
det = in;
det_s = in_s;
for(j = 0; j < FRAMES/2; ++j){
fetch_in_thread(0);
detect_in_thread(0);
disp = det;
det = in;
det_s = in_s;
}
int count = 0;
if(!prefix){
cvNamedWindow("Demo", CV_WINDOW_NORMAL);
cvMoveWindow("Demo", 0, 0);
cvResizeWindow("Demo", 1352, 1013);
}
double before = get_wall_time();
while(1){
++count;
if(1){
if(pthread_create(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
if(pthread_create(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");
if(!prefix){
show_image(disp, "Demo");
int c = cvWaitKey(1);
if (c == 10){
if(frame_skip == 0) frame_skip = 60;
else if(frame_skip == 4) frame_skip = 0;
else if(frame_skip == 60) frame_skip = 4;
else frame_skip = 0;
}
}else{
char buff[256];
sprintf(buff, "%s_%08d", prefix, count);
save_image(disp, buff);
}
pthread_join(fetch_thread, 0);
pthread_join(detect_thread, 0);
if(delay == 0){
free_image(disp);
disp = det;
}
det = in;
det_s = in_s;
}else {
fetch_in_thread(0);
det = in;
det_s = in_s;
detect_in_thread(0);
if(delay == 0) {
free_image(disp);
disp = det;
}
show_image(disp, "Demo");
cvWaitKey(1);
}
--delay;
if(delay < 0){
delay = frame_skip;
double after = get_wall_time();
float curr = 1./(after - before);
fps = curr;
before = after;
}
}
}
void demo_file(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes, int frame_skip, char *prefix, FILE* file_)
{
out_file = file_;
//skip = frame_skip;
image **alphabet = load_alphabet();
int delay = frame_skip;
demo_names = names;
demo_alphabet = alphabet;
demo_classes = classes;
demo_thresh = thresh;
printf("Demo\n");
net = parse_network_cfg(cfgfile);
if(weightfile){
load_weights(&net, weightfile);
}
set_batch_network(&net, 1);
srand(2222222);
if(filename){
printf("video file: %s\n", filename);
cap = cvCaptureFromFile(filename);
}else{
cap = cvCaptureFromCAM(cam_index);
}
if(!cap) error("Couldn't connect to webcam.\n");
layer l = net.layers[net.n-1];
int j;
avg = (float *) calloc(l.outputs, sizeof(float));
for(j = 0; j < FRAMES; ++j) predictions[j] = (float *) calloc(l.outputs, sizeof(float));
for(j = 0; j < FRAMES; ++j) images[j] = make_image(1,1,3);
boxes = (box *)calloc(l.w*l.h*l.n, sizeof(box));
probs = (float **)calloc(l.w*l.h*l.n, sizeof(float *));
for(j = 0; j < l.w*l.h*l.n; ++j) probs[j] = (float *)calloc(l.classes, sizeof(float *));
pthread_t fetch_thread;
pthread_t detect_thread;
fetch_in_thread(0);
det = in;
det_s = in_s;
fetch_in_thread(0);
detect_in_thread(0);
disp = det;
det = in;
det_s = in_s;
for(j = 0; j < FRAMES/2; ++j){
fetch_in_thread(0);
detect_in_thread(0);
disp = det;
det = in;
det_s = in_s;
}
int count = 0;
// if(!prefix){
// cvNamedWindow("Demo", CV_WINDOW_NORMAL);
// cvMoveWindow("Demo", 0, 0);
// cvResizeWindow("Demo", 1352, 1013);
// }
double before = get_wall_time();
while(1){
++count;
if (cvGetCaptureProperty(cap,CV_CAP_PROP_POS_FRAMES) >= cvGetCaptureProperty(cap,CV_CAP_PROP_FRAME_COUNT)-1) break;
if(1){
if(pthread_create(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
if(pthread_create(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");
if(!prefix){
// printf("!prefix\n");
// show_image(disp, "Demo");
// int c = cvWaitKey(1);
// if (c == 10){
// if(frame_skip == 0) frame_skip = 60;
// else if(frame_skip == 4) frame_skip = 0;
// else if(frame_skip == 60) frame_skip = 4;
// else frame_skip = 0;
// }
}else{
char buff[256];
sprintf(buff, "%s_%08d", prefix, count);
save_image(disp, buff);
}
pthread_join(fetch_thread, 0);
pthread_join(detect_thread, 0);
if(delay == 0){
free_image(disp);
disp = det;
}
det = in;
det_s = in_s;
}else {
fetch_in_thread(0);
det = in;
det_s = in_s;
detect_in_thread(0);
if(delay == 0) {
free_image(disp);
disp = det;
}
// show_image(disp, "Demo");
// cvWaitKey(1);
}
--delay;
if(delay < 0){
delay = frame_skip;
double after = get_wall_time();
float curr = 1./(after - before);
fps = curr;
before = after;
}
}
fclose(out_file);
}
#else
void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes, int frame_skip, char *prefix)
{
fprintf(stderr, "Demo needs OpenCV for webcam images.\n");
}
void demo_file(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes, int frame_skip, char *prefix, FILE* file_)
{
fprintf(stderr, "Demo needs OpenCV for webcam images.\n");
}
#endif