Explorer/RaspberryPi/Visualprocessing/Opencv - Revision history

Xp31 at 05:24, 28 June 2020

2020-06-28T05:24:40Z

← Older revision		Revision as of 23:24, 27 June 2020
Line 54:		Line 54:

	create ~/opencv_test/ptest.py		create ~/opencv_test/ptest.py
			chmod ugo+xwr ~/opencv_test/ptest.py
	#!/usr/bin/python3		#!/usr/bin/python3
	import numpy as np		import numpy as np

Xp31 at 15:07, 27 June 2020

2020-06-27T15:07:15Z

← Older revision		Revision as of 09:07, 27 June 2020
Line 159:		Line 159:

	gst-launch-1.0 rtspsrc location=rtsp://RASPBERRYPI_IP:8554/test2 ! rtph264depay ! avdec_h264 ! xvimagesink sync=false		gst-launch-1.0 rtspsrc location=rtsp://RASPBERRYPI_IP:8554/test2 ! rtph264depay ! avdec_h264 ! xvimagesink sync=false

			[[Explorer/RaspberryPi/Visualprocessing/Opencv/Optimisation]]

Xp31 at 15:01, 27 June 2020

2020-06-27T15:01:27Z

← Older revision		Revision as of 09:01, 27 June 2020
Line 108:		Line 108:
	#define FPS 30		#define FPS 30
	#define SCALE 3/2		#define SCALE 3/2

	using namespace cv;		using namespace cv;
	using namespace std;		using namespace std;
Line 116:		Line 116:
	string streamInGstStr="udpsrc port=5200 ! h264parse ! omxh264dec ! videoconvert ! video/x-raw, format=(string)BGR ! appsink";		string streamInGstStr="udpsrc port=5200 ! h264parse ! omxh264dec ! videoconvert ! video/x-raw, format=(string)BGR ! appsink";
	string streamOutGstStr="appsrc ! videoconvert ! omxh264enc ! video/x-h264,profile=high ! udpsink host=127.0.0.1 port=5210";		string streamOutGstStr="appsrc ! videoconvert ! omxh264enc ! video/x-h264,profile=high ! udpsink host=127.0.0.1 port=5210";

	VideoCapture streamIn(streamInGstStr,CAP_GSTREAMER);		VideoCapture streamIn(streamInGstStr,CAP_GSTREAMER);
	VideoWriter streamOut(streamOutGstStr,0,FPS/1,Size(WIDTH,HEIGHT),true);		VideoWriter streamOut(streamOutGstStr,0,FPS/1,Size(WIDTH,HEIGHT),true);

	if (streamIn.isOpened() && streamOut.isOpened()) {		if (streamIn.isOpened() && streamOut.isOpened()) {
	while (true) {		while (true) {

Xp31 at 14:58, 27 June 2020

2020-06-27T14:58:38Z

Show changes

Xp31 at 06:56, 27 June 2020

2020-06-27T06:56:11Z

← Older revision		Revision as of 00:56, 27 June 2020
Line 154:		Line 154:
	Run following script with ~/opencv_test/test and ~/opencv_test/ptest.py		Run following script with ~/opencv_test/test and ~/opencv_test/ptest.py

			#!/bin/bash
			sudo killall raspivid gst-launch test-launch test ptest.py \
	rm /tmp/camera*;\		rm /tmp/camera*;\
	raspivid -t 0 -w 640 -h 480 -fps 30/1 -b 3000000 -g 5 -vf -hf -cd H264 -n -fl -ih -o - \		raspivid -t 0 -w 640 -h 480 -fps 30/1 -b 3000000 -g 5 -vf -hf -cd H264 -n -fl -ih -o - \
	\| gst-launch-1.0 fdsrc \		\| gst-launch-1.0 fdsrc \
	! h264parse \		! h264parse \
	! video/x-h264,stream-format=byte-stream \		! video/x-h264,stream-format=byte-stream \
	! tee name=streams \		! tee name=streams \
	! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 \		! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 \
	! udpsink host=127.0.0.1 port=5100 streams. \		! udpsink host=127.0.0.1 port=5100 streams. \
	! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 \		! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 \
	! omxh264dec \		! omxh264dec \
	! shmsink socket-path=/tmp/camera2 wait-for-connection=false sync=false &		! shmsink socket-path=/tmp/camera2 wait-for-connection=false sync=false &
	~/opencv_test/test &		~/opencv_test/test &
			#~/opencv_test/ptest.py &
	gst-rtsp-server-1.14.4/examples/test-launch \		gst-rtsp-server-1.14.4/examples/test-launch \
	"\"udpsrc port=5100 do-timestamp=true ! video/x-h264,stream-format=byte-stream,alignment=au ! rtph264pay name=pay0 pt=96 config-interval=1 \" \		"udpsrc port=5100 do-timestamp=true ! video/x-h264,stream-format=byte-stream,alignment=au ! rtph264pay name=pay0 pt=96 config-interval=1" \
	\"shmsrc socket-path=/tmp/camera3 do-timestamp=true ! video/x-raw, format=I420, width=640, height=480, framerate=30/1 ! omxh264enc ! video/x-h264,profile=high ! rtph264pay name=pay0 pt=96 config-interval=1\"" &		"shmsrc socket-path=/tmp/camera3 do-timestamp=true ! video/x-raw, format=I420, width=640, height=480, framerate=30/1 ! omxh264enc ! video/x-h264,profile=high ! rtph264pay name=pay0 pt=96 config-interval=1"

	client:		client:

Xp31 at 06:26, 27 June 2020

2020-06-27T06:26:26Z

← Older revision		Revision as of 00:26, 27 June 2020
Line 137:		Line 137:
	VideoCapture streamIn(streamInGstStr,CAP_GSTREAMER);		VideoCapture streamIn(streamInGstStr,CAP_GSTREAMER);
	VideoWriter streamOut(streamOutGstStr,0,FPS/1,Size(WIDTH,HEIGHT),true);		VideoWriter streamOut(streamOutGstStr,0,FPS/1,Size(WIDTH,HEIGHT),true);

	if (streamIn.isOpened() && streamOut.isOpened()) {		if (streamIn.isOpened() && streamOut.isOpened()) {
	while (true) {		while (true) {

Xp31 at 06:21, 27 June 2020

2020-06-27T06:21:47Z

← Older revision		Revision as of 00:21, 27 June 2020
Line 120:		Line 120:
	#define FPS 30		#define FPS 30
	#define SCALE 3/2		#define SCALE 3/2

	using namespace cv;		using namespace cv;
	using namespace std;		using namespace std;
Line 128:		Line 129:
	Mat imageOut(WIDTH,HEIGHT,CV_8UC3,Scalar(0,0,0));		Mat imageOut(WIDTH,HEIGHT,CV_8UC3,Scalar(0,0,0));
	cout << getBuildInformation() << endl;		cout << getBuildInformation() << endl;

	string streamInGstStr="shmsrc socket-path=/tmp/camera2 ! video/x-raw,width="+to_string(WIDTH)+		string streamInGstStr="shmsrc socket-path=/tmp/camera2 ! video/x-raw,width="+to_string(WIDTH)+
	",height="+to_string(HEIGHT)+",framerate="+to_string(FPS)+"/1,format=I420 ! appsink sync=true";		",height="+to_string(HEIGHT)+",framerate="+to_string(FPS)+"/1,format=I420 ! appsink sync=true";

	string streamOutGstStr="appsrc ! shmsink socket-path=/tmp/camera3 wait-for-connection=false async=false sync=false";		string streamOutGstStr="appsrc ! shmsink socket-path=/tmp/camera3 wait-for-connection=false async=false sync=false";

	VideoCapture streamIn(streamInGstStr,CAP_GSTREAMER);		VideoCapture streamIn(streamInGstStr,CAP_GSTREAMER);
	VideoWriter streamOut(streamOutGstStr,0,FPS/1,Size(WIDTH,HEIGHT),true);		VideoWriter streamOut(streamOutGstStr,0,FPS/1,Size(WIDTH,HEIGHT),true);

Xp31 at 06:17, 27 June 2020

2020-06-27T06:17:14Z

← Older revision		Revision as of 00:17, 27 June 2020
Line 147:		Line 147:
	g++ -g ~/opencv_test/test.cpp -o ~/opencv_test/test `pkg-config --cflags --libs opencv4`		g++ -g ~/opencv_test/test.cpp -o ~/opencv_test/test `pkg-config --cflags --libs opencv4`

	Run ~~foolowing~~ script with test and ptest		Run following script with ~/opencv_test/test and ~/opencv_test/ptest.py

	rm /tmp/camera*;\		rm /tmp/camera*;\

Xp31 at 06:12, 27 June 2020

2020-06-27T06:12:32Z

← Older revision		Revision as of 00:12, 27 June 2020
Line 53:		Line 53:
	'4.3.0'		'4.3.0'

	create ~/opencv_test/~~test~~.~~cpp~~		create ~/opencv_test/ptest.py
	#!/usr/bin/python3		#!/usr/bin/python3
	import numpy as np		import numpy as np
Line 146:		Line 146:

	g++ -g ~/opencv_test/test.cpp -o ~/opencv_test/test `pkg-config --cflags --libs opencv4`		g++ -g ~/opencv_test/test.cpp -o ~/opencv_test/test `pkg-config --cflags --libs opencv4`

			Run foolowing script with test and ptest

	rm /tmp/camera*;\		rm /tmp/camera*;\

Xp31 at 06:10, 27 June 2020

2020-06-27T06:10:45Z

← Older revision		Revision as of 00:10, 27 June 2020
Line 69:		Line 69:
	'videoconvert ! '		'videoconvert ! '
	'appsink sync=false',cv2.CAP_GSTREAMER)		'appsink sync=false',cv2.CAP_GSTREAMER)

	def open_output():		def open_output():
	return cv2.VideoWriter('appsrc ! queue ! '		return cv2.VideoWriter('appsrc ! queue ! '
Line 75:		Line 75:
	'wait-for-connection=false async=false sync=false ',		'wait-for-connection=false async=false sync=false ',
	0, 15.0, (640,480))		0, 15.0, (640,480))

	def data_acquisition(cap,out,condition):		def data_acquisition(cap,out,condition):
	global acquisition_cpt,frame		global acquisition_cpt,frame
Line 86:		Line 86:
	print("acquisition_cpt ",acquisition_cpt)		print("acquisition_cpt ",acquisition_cpt)
	condition.notify()		condition.notify()

	def data_processing(cap,out,condition):		def data_processing(cap,out,condition):
	global processing_cpt		global processing_cpt
Line 97:		Line 97:
	print("processing_cpt ",processing_cpt)		print("processing_cpt ",processing_cpt)
	out.write(img)		out.write(img)

	if __name__ == '__main__':		if __name__ == '__main__':
	cap = open_cam()		cap = open_cam()
Line 113:		Line 113:
	thread.join()		thread.join()
	cap.release()		cap.release()


	create ~/opencv_test/test.cpp		create ~/opencv_test/test.cpp