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>6. Changing the import settings</A
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> If the video importing doesn't work or if you want other settings you
can change the way video is imported in Stopmotion.
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> This is done through the configure menu
(<SPAN
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and you can either choose from one of the predefined settings
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>Figure 8.
The Video Import config menu
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> Image importing in Stopmotion works by continously asking an external program
to grab a picture from the camera and place it in the .stopmotion directory.
Stopmotion then displays this picture, and when this is done continously you
get live video.
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> If you want to add a new import program you can do this by pressing the
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button. A new row appears in the table and you can fill in a name for your
setting and a short description.
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> You then have to specify the command line options to import pictures. These
can be set by selecting your setting and pressing the
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button.
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> There are three things which can be specified here. The prepoll, start daemon
and stop daemon fields. If the program for importing the images grabs one image
and then exits you can leave the start and stop daemon fields blank. The contents
of the prepoll field is a command which is run before importing a picture. If the
import program is running in the foreground this will typically be the command line
for grabbing the picture. Note that you have to write (DEFAULTPATH) in the command
line on the place you otherwise would have speciefied the path to the file where
the image should be stord. Stopmotion will replace this tag with the correct path
and file name.
</P
><P
> If the program you use for importing the pictures is running as a background/daemon
process you have to specify command lines for starting and stoping the daemon.
Again you should use the $importpath tag instead of the path to the file (se above).
Prepoll could still be used but is not required. One potential use for the prepoll
command when the grab program is running as a daemon process is to specify a command
line which performes a operation such as scaling or rotating the picture. This
command will be called on the pictures every time before importing them meaning
the live video will be displayed with the effect.
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