Sunday, September 6, 2009

Stopmotion animation with a webcam in UbuntuStudio

This educational tool is probably for under K-6 education. I still can't think of an example for secondary and higher ed students.

The Stopmotion software for stop motion animation is included in the distribution of UbuntuStudio. The demo here was done with UbuntuStudio 8.04 based on Intrepid.

I used an A4Tech web cam which is v4l2. Stopmotion has a problem with these kind of web cameras so you'll need to follow Aearenda's solution here: http://ubuntuforums.org/showthread.php?t=931208 . I do hope they've already solved this in Ubuntu Jaunty 9.04.

Create an mplayer video import device in Stopmotion


Start Stopmotion and in the menu find settings->configure stopmotion or ctrl-P.

Click add button.

Resize the dialog box to see the start deamon & stop deamon text boxes.

Click video import tab.

In the start deamon text box enter the following (change the ~/RENDER/stopmotion/ folder with your preference):

~/RENDER/stopmotion/startmplayer $VIDEODEVICE $IMAGEFILE 2 0.25s .tempjpgs &


In the stop deamon text box enter this code:

killall startmplayer && killall mplayer


Download my startmplayer file from: http://www.mediafire.com/file/zm2ytmnqa2j/startmplayer.zip.

Extract this startmplayer file in the ~/RENDER/stopmotion/ folder, you can change this folder.

Then follow this demo:



Finished product (a bit crude):

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