Robot
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Hendrik Langer 8cc3a3af1f add camera examples 4 years ago
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README.md

roberto

Robot

Prepare

sudo systemctl --full --force edit wifi_powersave@.service

[Unit] Description=Set WiFi power save %i After=sys-subsystem-net-devices-wlan0.device

[Service] Type=oneshot RemainAfterExit=yes ExecStart=/sbin/iw dev wlan0 set power_save %i

[Install] WantedBy=sys-subsystem-net-devices-wlan0.device

rpi ~$ sudo systemctl disable wifi_powersave@on.service rpi ~$ sudo systemctl enable wifi_powersave@off.service

Camera test

raspivid -a 12 -t 0 -w 1280 -h 720 -vf -ih -fps 30 -l -o tcp://0.0.0.0:5000

mplayer -x 1280 -y 720 -geometry 0:0 -fps 200 -demuxer h264es -noborder ffmpeg://tcp://172.16.85.221:5000

sudo apt install gstreamer1.0-tools

Sender (Pi): gst-launch-1.0 -e v4l2src do-timestamp=true ! video/x-h264,width=640,height=480,framerate=30/1 ! h264parse ! rtph264pay config-interval=1 ! gdppay ! udpsink host=192.168.178.20 port=5000

Receiver: gst-launch-1.0 -v udpsrc port=5000 ! gdpdepay ! rtph264depay ! avdec_h264 ! fpsdisplaysink sync=false text-overlay=false