Explorer/RaspberryPi/Visualprocessing/Opencv/Optimisation - Revision history

Xp31 at 12:50, 29 September 2020

2020-09-29T12:50:32Z

← Older revision		Revision as of 06:50, 29 September 2020
Line 1:		Line 1:
	Improve latency and CPU usage by removing filter "VIDEOCONVERT" and using v4l2h264enc instead of omxh264enc<br />		Improve latency and CPU usage by removing filter "VIDEOCONVERT" and using v4l2h264enc instead of omxh264enc<br />
	~~TO BE UPDATED WITH~~
	gst-launch-1.0 shmsrc socket-path=/tmp/camera3 do-timestamp=true \		gst-launch-1.0 shmsrc socket-path=/tmp/camera3 do-timestamp=true \
	! video/x-raw, format=BGR, width=640, height=480, framerate=30/1, colorimetry=1:1:5:1 \		! video/x-raw, format=BGR, width=640, height=480, framerate=30/1, colorimetry=1:1:5:1 \
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	! rtph264pay name=pay0 pt=96 config-interval=1 \		! rtph264pay name=pay0 pt=96 config-interval=1 \
	! udpsink host=127.0.0.1 port=5600 &		! udpsink host=127.0.0.1 port=5600 &
			TO BE UPDATED
	#include <opencv2/opencv.hpp>		#include <opencv2/opencv.hpp>
	#define WIDTH 640		#define WIDTH 640

Xp31 at 12:49, 29 September 2020

2020-09-29T12:49:45Z

← Older revision		Revision as of 06:49, 29 September 2020
Line 1:		Line 1:
	Improve latency and CPU usage by removing filter "VIDEOCONVERT"		Improve latency and CPU usage by removing filter "VIDEOCONVERT" and using v4l2h264enc instead of omxh264enc<br />
	TO BE UPDATED WITH		TO BE UPDATED WITH
	gst-launch-1.0 shmsrc socket-path=/tmp/camera3 do-timestamp=true \		gst-launch-1.0 shmsrc socket-path=/tmp/camera3 do-timestamp=true \

Xp31 at 12:48, 29 September 2020

2020-09-29T12:48:42Z

← Older revision		Revision as of 06:48, 29 September 2020
Line 1:		Line 1:
	Improve latency and CPU usage by removing filter "VIDEOCONVERT"		Improve latency and CPU usage by removing filter "VIDEOCONVERT"
			TO BE UPDATED WITH
			gst-launch-1.0 shmsrc socket-path=/tmp/camera3 do-timestamp=true \
			! video/x-raw, format=BGR, width=640, height=480, framerate=30/1, colorimetry=1:1:5:1 \
			! v4l2h264enc extra-controls="controls,video_bitrate=3000000;" \
			! rtph264pay name=pay0 pt=96 config-interval=1 \
			! udpsink host=127.0.0.1 port=5600 &

	#include <opencv2/opencv.hpp>		#include <opencv2/opencv.hpp>

Xp31 at 05:36, 28 June 2020

2020-06-28T05:36:19Z

← Older revision		Revision as of 23:36, 27 June 2020
Line 14:		Line 14:
	Mat imageIn(WIDTH*SCALE, HEIGHT, CV_8UC1);		Mat imageIn(WIDTH*SCALE, HEIGHT, CV_8UC1);
	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)+

Xp31 at 15:52, 27 June 2020

2020-06-27T15:52:06Z

← Older revision		Revision as of 09:52, 27 June 2020
Line 15:		Line 15:
	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";
Line 53:		Line 53:
	"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:<br />
	gst-launch-1.0 rtspsrc location=rtsp://RASPBERRYPI_IP:8554/test ! rtph264depay ! avdec_h264 ! xvimagesink sync=false		gst-launch-1.0 rtspsrc location=rtsp://RASPBERRYPI_IP:8554/test ! rtph264depay ! avdec_h264 ! xvimagesink sync=false<br />

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

Xp31 at 15:51, 27 June 2020

2020-06-27T15:51:11Z

← Older revision		Revision as of 09:51, 27 June 2020
Line 1:		Line 1:
	~~How to remove~~ filter "~~videoconvert~~"		Improve latency and CPU usage by removing filter "VIDEOCONVERT"

			#include <opencv2/opencv.hpp>
			#define WIDTH 640
			#define HEIGHT 480
			#define FPS 30
			#define SCALE 3/2

			using namespace cv;
			using namespace std;
			int main(int, char**)
			{
			unsigned int dataSize = sizeof(unsigned char)WIDTHHEIGHT*SCALE;
			Mat imageIn(WIDTH*SCALE, HEIGHT, CV_8UC1);
			Mat imageOut(WIDTH,HEIGHT,CV_8UC3,Scalar(0,0,0));
			cout << getBuildInformation() << endl;

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

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

			if (streamIn.isOpened() && streamOut.isOpened()) {
			while (true) {
			streamIn.read(imageIn);
			if (!imageIn.empty()) {
			memcpy(imageOut.data,imageIn.data,dataSize);
			streamOut.write(imageOut);
			}
			}
			}
			return 0;
			}

			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 - \
			\| gst-launch-1.0 fdsrc \
			! h264parse \
			! video/x-h264,stream-format=byte-stream \
			! tee name=streams \
			! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 \
			! udpsink host=127.0.0.1 port=5100 streams. \
			! queue max-size-buffers=0 max-size-time=0 max-size-bytes=0 \
			! omxh264dec \
			! shmsink socket-path=/tmp/camera2 wait-for-connection=false sync=false &
			sleep 1
			~/opencv_test/test &
			sleep 1
			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" \
			"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:
			gst-launch-1.0 rtspsrc location=rtsp://RASPBERRYPI_IP:8554/test ! rtph264depay ! avdec_h264 ! xvimagesink sync=false

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

Xp31 at 15:09, 27 June 2020

2020-06-27T15:09:04Z

← Older revision		Revision as of 09:09, 27 June 2020
Line 1:		Line 1:
	~~hello~~		How to remove filter "videoconvert"

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2020-06-27T15:06:59Z

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