Your personal, low cost, ultra low latency (250ms) video streaming infrastructure.
Run this code on a single-board computer (SBC) on your local network and display the video and audio stream in the Copiosus viewer.
Use it as baby phone, surveillance of your property, etc.
- Wait for a SCAN request from Copiosus
- Respond with the current state
- Copiosus triggers a CONNECT command
- Send video and audio stream to Copiosus
- Video:
sudo raspi-config
- Audio:
sudo apt-get install libasound2-dev
- FFMpeg: https://github.com/FFmpeg/FFmpeg
Enable x264 encoder
git clone https://code.videolan.org/videolan/x264
./configure --enable-static
make
sudo make install
Enable OMX (hardware accelerated encoding for h264)
git clone git://source.ffmpeg.org/ffmpeg
./configure --extra-ldflags="-latomic" --enable-gpl --enable-omx --enable-omx-rpi
make
sudo make install
- SDL v2.0: https://www.libsdl.org/
make
./cop_sender
./cop_sender -platform=mac|linux|win -cmd=start|list -cam=[name] -mic=[name] -pwd=[password]
Example:
./cop_sender -platform=linux -cmd=start -cam=/dev/video0 -mic=hw:1 -pwd="This-is-Awesome"
List connected devices:
- Windows:
ffmpeg -list_devices true -f dshow -i dummy - Mac:
ffmpeg -f avfoundation -list_devices true -i "" - Linux:
v4l2-ctl --list-devices
List audio devices:
arecord -lwill list all capture devices. Note that card x is hw:x
Check status of Power Management:on
sudo iwconfig wlan0
Disable it to prevent WiFi sleep
sudo iwconfig wlan0 power off
sudo vim /etc/rc.local
Add the following line before exit 0:
sudo iwconfig wlan0 power off
sudo /home/pi/Documents/Copiosus-camera/cop_sender -platform=linux -cmd=start -cam=/dev/video0 -mic=hw:1 -pwd="this-is-a-password" >> /home/pi/Documents/log.txt &
sudo vim /boot/config.txt
Add the following line at the end of the file:
disable_camera_led=1
sudo vim /etc/rc.local
Add the following line before exit 0:
sudo sh -c 'echo 0 > /sys/class/leds/led0/brightness'
sudo sh -c 'echo 0 > /sys/class/leds/led1/brightness'
Mac, Raspberry Pi, camera, microphone
Camera: kuman, model number: SC15-Webcams-UK
USB mic: Gyvazla
Please verify that your password is set and correct.
dmesg | more
[ 5649.299859] usb 1-1.3: USB disconnect, device number 4
[ 5652.926139] usb 1-1.3: new high-speed USB device number 7 using dwc_otg
[ 5653.067315] usb 1-1.3: New USB device found, idVendor=2357, idProduct=0109, bcdDevice= 2.00
[ 5653.067336] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 5653.067345] usb 1-1.3: Product: 802.11n NIC
[ 5653.067354] usb 1-1.3: Manufacturer: Realtek
[ 5653.067364] usb 1-1.3: SerialNumber: 00e04c000001
lsusb
Bus 001 Device 006: ID 045e:07f8 Microsoft Corp. Wired Keyboard 600 (model 1576)
Bus 001 Device 005: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
Bus 001 Device 007: ID 2357:0109 TP-Link TL WN823N RTL8192EU
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. SMC9514 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
https://wiki.debian.org/WiFi#USB_Devices
sudo apt-get install gcc-6 git build-essential
sudo apt-get install raspberrypi-kernel-headers
sudo apt-get install bc
cd /usr/src/linux-headers-4.19.75-v7+/arch
sudo ln -s arm armv7l
git clone https://github.com/jeremyb31/rtl8192eu-linux-driver.git
cd rtl8192eu-linux-driver
sudo make
sudo make install
reboot
- Check if module is loaded
lsmod
8192eu 1183744 0
- Remove config from /etc/network/interfaces
sudo apt-get install network-manager
sudo vim /etc/NetworkManager/NetworkManager.conf
# Append the following:
[device]
wifi.scan-rand-mac-address=no
/etc/init.d/network-manager restart
- Set Wifi Country Code: Preferences - Raspberri Pi Configuration - Localisation - Set WiFi Country...
sudo rasp-config - 2 - Set WiFi SSID + password
reboot
- Select WLAN + set password (top right corner of screen)