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ppmtoyuvsplit.1
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1996-11-18
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.TH ppmtoyuvsplit 1 "9 September 1993"
.IX ppmtoyuvsplit
.SH NAME
ppmtoyuvsplit - convert a portable pixmap into 3 subsampled raw YUV files
.SH SYNOPSIS
.B ppmtoyuvsplit
.IR basename
.RI [ ppmfile ]
.SH 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.
.SH "SEE ALSO"
mpeg(1), ppm(5)
.SH AUTHOR
Copyright (C) 1993 by Andre Beck. (Andre_Beck@IRS.Inf.TU-Dresden.de)
.PP
Based on ppmtoyuv.c
.\" Permission to use, copy, modify, and distribute this software and its
.\" documentation for any purpose and without fee is hereby granted, provided
.\" that the above copyright notice appear in all copies and that both that
.\" copyright notice and this permission notice appear in supporting
.\" documentation. This software is provided "as is" without express or
.\" implied warranty.