Stian Remvik Datagrafikk

PiWall

PiWall is an open source project letting you spread a video over several screens.

Sound:

Install the mp3 player mpg123:

$ sudo apt-get install mpg123

Video format:

Doesn’t work properly with h264. Use mpeg4 avi fmpg4.

Use ffmpeg to encode videofile:

$ ffmpeg -i input.mp4 -qscale 0 -vcodec mpeg4 -acodec mp3 output.avi

Resolution two screen sync two videos: 1920x540 resolution

Master:

$ avconv -v quiet -re -i source.video -vcodec copy -f avi -an udp://239.0.1.23:1234 -acodec copy -f mp3 pipe: | mpg123 -

Client:

$ pwomxplayer —config=my_config udp://239.0.1.23:1234?buffer_size=1200000B

Autostart at boot: (can be aborted with ‘ctrl-c’ when video is playing!). Type the above commands at the bottom of ‘/home/pi/.bashrc’

"BITWaves" iOS app
Raspberry Pi Notes
"Neighbours" video installation
Electronic Vintage Bit20 concert visuals
"Late into that night, and all the following nights" installation
"Bergen Leser" installation
"Cubes" animation
NRK3 identity film
"Hush!" installation
"The sound of pictures" installation
Photographs
Concert visuals Knekklectic
Hulen Bergen posters and design
Notes on programming and other technical difficulties
-----------------------------------------------------

Multi screen video with Multiscreener on Mac
Seamless looping video player on Raspberry Pi using openFrameworks