From cdd1cb0e8c4fda3671714bb5ad6ba1825cff16d1 Mon Sep 17 00:00:00 2001
From: Puneet Kohli <punkohl@gmail.com>
Date: Sun, 06 May 2018 21:45:26 +0000
Subject: [PATCH] Change matplotlib backend to 'agg' when 'show_plot' is false. This allows the script to be run from command line without any errors (for ex, on a remote machine)
---
src/demo.c | 65 ++++++++++++++------------------
1 files changed, 28 insertions(+), 37 deletions(-)
diff --git a/src/demo.c b/src/demo.c
index 6ae3c33..9041c73 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -24,6 +24,7 @@
#ifndef CV_VERSION_EPOCH
#include "opencv2/videoio/videoio_c.h"
#endif
+#include "http_stream.h"
image get_image_from_stream(CvCapture *cap);
static char **demo_names;
@@ -33,13 +34,10 @@
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 int use_webcam = 0;
+static int cpp_video_capture = 0;
static float fps = 0;
static float demo_thresh = 0;
@@ -52,7 +50,7 @@
void draw_detections_cv(IplImage* show_img, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes);
void draw_detections_cv_v3(IplImage* show_img, detection *dets, int num, float thresh, char **names, image **alphabet, int classes);
void show_image_cv_ipl(IplImage *disp, const char *name);
-image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img, int use_webcam);
+image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img, int cpp_video_capture);
IplImage* in_img;
IplImage* det_img;
IplImage* show_img;
@@ -62,16 +60,14 @@
void *fetch_in_thread(void *ptr)
{
//in = get_image_from_stream(cap);
- in = get_image_from_stream_resize(cap, net.w, net.h, &in_img, use_webcam);
- if(!in.data){
+ in_s = get_image_from_stream_resize(cap, net.w, net.h, &in_img, cpp_video_capture);
+ if(!in_s.data){
//error("Stream closed.");
printf("Stream closed.\n");
flag_exit = 1;
return EXIT_FAILURE;
}
//in_s = resize_image(in, net.w, net.h);
- in_s = make_image(in.w, in.h, in.c);
- memcpy(in_s.data, in.data, in.h*in.w*in.c*sizeof(float));
return 0;
}
@@ -101,16 +97,16 @@
*/
int letter = 0;
int nboxes = 0;
- detection *dets = get_network_boxes(&net, det.w, det.h, demo_thresh, demo_thresh, 0, 1, &nboxes, letter);
- if (nms) do_nms_obj_v3(dets, nboxes, l.classes, nms);
+ detection *dets = get_network_boxes(&net, det_s.w, det_s.h, demo_thresh, demo_thresh, 0, 1, &nboxes, letter);
+ if (nms) do_nms_obj(dets, nboxes, l.classes, nms);
printf("\033[2J");
printf("\033[1;1H");
printf("\nFPS:%.1f\n",fps);
printf("Objects:\n\n");
- images[demo_index] = det;
- det = images[(demo_index + FRAMES/2 + 1)%FRAMES];
+ //images[demo_index] = det;
+ //det = images[(demo_index + FRAMES/2 + 1)%FRAMES];
ipl_images[demo_index] = det_img;
det_img = ipl_images[(demo_index + FRAMES / 2 + 1) % FRAMES];
demo_index = (demo_index + 1)%FRAMES;
@@ -118,7 +114,7 @@
//draw_detections(det, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes);
draw_detections_cv_v3(det_img, dets, nboxes, demo_thresh, demo_names, demo_alphabet, demo_classes);
//draw_detections_cv(det_img, l.w*l.h*l.n, demo_thresh, boxes, probs, demo_names, demo_alphabet, demo_classes);
- free(dets);
+ free_detections(dets, nboxes);
return 0;
}
@@ -143,25 +139,30 @@
demo_classes = classes;
demo_thresh = thresh;
printf("Demo\n");
- net = parse_network_cfg_custom(cfgfile, 1);
+ net = parse_network_cfg_custom(cfgfile, 1); // set batch=1
if(weightfile){
load_weights(&net, weightfile);
}
- set_batch_network(&net, 1);
+ //set_batch_network(&net, 1);
fuse_conv_batchnorm(net);
srand(2222222);
if(filename){
printf("video file: %s\n", filename);
- cap = cvCaptureFromFile(filename);
+//#ifdef CV_VERSION_EPOCH // OpenCV 2.x
+// cap = cvCaptureFromFile(filename);
+//#else // OpenCV 3.x
+ cpp_video_capture = 1;
+ cap = get_capture_video_stream(filename);
+//#endif
}else{
printf("Webcam index: %d\n", cam_index);
-#ifdef CV_VERSION_EPOCH // OpenCV 2.x
- cap = cvCaptureFromCAM(cam_index);
-#else // OpenCV 3.x
- use_webcam = 1;
+//#ifdef CV_VERSION_EPOCH // OpenCV 2.x
+// cap = cvCaptureFromCAM(cam_index);
+//#else // OpenCV 3.x
+ cpp_video_capture = 1;
cap = get_capture_webcam(cam_index);
-#endif
+//#endif
}
if(!cap) error("Couldn't connect to webcam.\n");
@@ -184,22 +185,17 @@
fetch_in_thread(0);
det_img = in_img;
- det = in;
det_s = in_s;
fetch_in_thread(0);
detect_in_thread(0);
- disp = det;
det_img = in_img;
- det = in;
det_s = in_s;
for(j = 0; j < FRAMES/2; ++j){
fetch_in_thread(0);
detect_in_thread(0);
- disp = det;
det_img = in_img;
- det = in;
det_s = in_s;
}
@@ -248,7 +244,7 @@
}else{
char buff[256];
sprintf(buff, "%s_%08d", prefix, count);
- save_image(disp, buff);
+ //save_image(disp, buff);
}
// if you run it with param -http_port 8090 then open URL in your web-browser: http://localhost:8090
@@ -274,27 +270,22 @@
if (flag_exit == 1) break;
if(delay == 0){
- free_image(disp);
- disp = det;
show_img = det_img;
}
det_img = in_img;
- det = in;
det_s = in_s;
}else {
fetch_in_thread(0);
det_img = in_img;
- det = in;
det_s = in_s;
detect_in_thread(0);
- if(delay == 0) {
- free_image(disp);
- disp = det;
- }
+
+ show_img = det_img;
if (!dont_show) {
- show_image(disp, "Demo");
+ show_image_cv_ipl(show_img, "Demo");
cvWaitKey(1);
}
+ cvReleaseImage(&show_img);
}
--delay;
if(delay < 0){
--
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