Ubuntu

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Upstart to launch/respawn installation

• create this in /etc/init/facegraft.conf:

#!upstart
description "Face Swap"

# Start job via the daemon control script. Replace "gert" with your username.
exec su -l rtwomey -c 'export DISPLAY=:0; /home/rtwomey/code/openFrameworks/apps/oftwomey/graft-tracker/bin/graft-tracker'

# Restart the process if it dies with a signal
# or exit code not given by the 'normal exit' stanza.
respawn

# Give up if restart occurs 10 times in 90 seconds.
respawn limit 10 90

• start faceswap

start faceswap

• stop faceswap
  

UVC / webcam control in ubuntu

v4l2-ctl

Installing

• sudo apt-get install v4l-utils

Using

• set max zoom with c920:
  • v4l2-ctl -c zoom_absolute=200
• set max tele with c920:
  • v4l2-ctl -c zoom_absolute=100
• list all controllable settings:
  • v4l2-ctl --list-ctrls<code>

guvcview

• comes installed.
• launch it:
  • <code>guvcview
• should give you full access to your camera controls.

Make a Portable UBUNTU installation

1. make a live ubuntu usb disk in os x. directions
2. IN OSX: attach your new portable drive, partition it as an OSX Extended Journaled drive.
3. IN UBUNTU: start install. select "something else", create three partitions (boot, root, and swap), leaving existing partition from OSX.
4. Install Refind to first partition.

Install rEFInd to partition of external drive

• download refind flashdrive http://sourceforge.net/projects/refind/files/0.7.4/refind-flashdrive-0.7.4.zip/download
• use diskutil to find number for partition on your external:
  • diskutil list
  • my EFI partition on external drive is /dev/disk2
• unmount:
  • diskutil unmountDisk disk2
• use dd to copy flash image to external partition:
  • sudo dd if=refind-flashdrive-0.7.4.img of=/dev/disk2s1 bs=1m

Using H2 with Ubuntu

Recording from H2

• arecord -D "hw:2,0" -f S16_LE -c 2 -r 44100 test2.wav