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ExtractJPEGs.readme
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1999-12-18
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Short: extracts JPEGs (e.g. from Quicktime movies)
Uploader: alexander.richter@01019freenet.de (Alexander Richter)
Author: alexander.richter@01019freenet.de (Alexander Richter)
Type: gfx/conv
ExtractJPEGs does exactly what its name says: it extracts JPEG pictures
from a given file. For instance, some Quicktime movies consist of JPEG
pictures.
USAGE
-----
ExtractJPEGs must be launched from CLI.
syntax:
ExtractJPEGs <file>
simple, eh?
Example - You want to get all frames out of the "Starship Troopers"
trailer:
ExtractJPEGs strshptroopers.mov
WHAT IT DOES
------------
ExtractJPEGs hunts for JPEG pictures in the given file and writes them
into the current directory (0.jpg, 1.jpg, 2.jpg, ...).
You might use the programs freplace and fixsuffix to convert the file-
names, e.g.:
----------------------------------------------------------------------
freplace .jpg ""
; "0.jpg" --> "0", "1.jpg" --> "1" etc.
list #? LFORMAT "rename %N frame.%N" >t:script
; "0" --> "frame.0"
sort t:script t:script
; optional
execute t:script
list frame.(?|??|???) LFORMAT "fixsuffix %N 4" >t:script
; "frame.0" --> "frame.0000"
sort t:script t:script
; optional
execute t:script
----------------------------------------------------------------------
INSTALLATION
------------
copy ExtractJPEGs c:
BUGS
----
-no error handling
-sometimes extracts non-JPEG data
LIMITATIONS
-----------
-does only work on JPEG-Quicktimes, not on Cinepak-compressed ones.