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1994-03-01
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ppmtoyuvsplit(1) AMIGA (9 September 1993) ppmtoyuvsplit(1)
NAME
ppmtoyuvsplit - convert a portable pixmap into 3 subsampled
raw YUV files
SYNOPSIS
ppmtoyuvsplit basename [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Produces 3 raw files
basename.Y, basename.U and basename.V as output. These
files are the subsampled raw YUV representation of the input
pixmap, as required by the Stanford MPEG codec. The
subsampling is done by arithmetic mean of 4 pixels colors
into one. The YUV values are scaled according to CCIR.601,
as assumed by MPEG.
SEE ALSO
mpeg(1), ppm(5)
AUTHOR
Copyright (C) 1993 by Andre Beck. (Andre_Beck@IRS.Inf.TU-
Dresden.de)
Based on ppmtoyuv.c
Page 1 (printed 3/1/94)