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+\
+.\" This man page was generated by the Netpbm tool 'makeman' from HTML source.
+.\" Do not hand-hack it!  If you have bug fixes or improvements, please find
+.\" the corresponding HTML page on the Netpbm website, generate a patch
+.\" against that, and send it to the Netpbm maintainer.
+.TH "Ppmtoyuvsplit User Manual" 1 "06 March 2003" "netpbm documentation"
+
+.SH NAME
+
+ppmtoyuvsplit - convert a PPM image to 3 subsampled raw YUV files
+
+.UN synopsis
+.SH SYNOPSIS
+
+\fBppmtoyuvsplit\fP
+\fIbasename\fP
+[\fIppmfile\fP]
+
+.UN description
+.SH DESCRIPTION
+.PP
+This program is part of
+.BR "Netpbm" (1)\c
+\&.
+.PP
+\fBppmtoyuvsplit\fP reads a PPM image as input.  Produces 3 raw
+files \fIbasename\fP.Y, \fIbasename\fP.U and \fIbasename\fP.V as
+output.
+.PP
+The output files are the subsampled raw YUV representation of the
+input PPM image, as required by the Stanford MPEG codec.  The Y output
+file contains a byte for each pixel in the image, with the rows going
+from top to bottom and the columns within each row going left to
+right.  The U and V output files are arranged similarly, except that
+each byte represents a square of 4 pixels of the image.  The value is
+the arithmetic mean of the value for each of those 4 pixels.  Hence, the
+Y file is 4 times the size of the U file or V file.
+.PP
+The YUV values are scaled according to CCIR.601, as assumed by
+MPEG.
+
+.UN options
+.SH OPTIONS
+.PP
+There are no command line options defined specifically
+for \fBppmtoyuvsplit\fP, but it recognizes the options common to all
+programs based on libnetpbm (See 
+.UR index.html#commonoptions
+ Common Options
+.UE
+\&.)
+
+.UN seealso
+.SH SEE ALSO
+.BR "yuvsplittoppm" (1)\c
+\&,
+.BR "ppmtoyuv" (1)\c
+\&,
+.BR "ppmtoeyuv" (1)\c
+\&,
+.BR "ppmtompeg" (1)\c
+\&,
+.BR "ppm" (1)\c
+\&
+
+.UN author
+.SH AUTHOR
+.PP
+Copyright (C) 1993 by Andre Beck. (\fIAndre_Beck@IRS.Inf.TU-Dresden.de\fP)
+.PP
+Based on ppmtoyuv.c
+.SH DOCUMENT SOURCE
+This manual page was generated by the Netpbm tool 'makeman' from HTML
+source.  The master documentation is at
+.IP
+.B http://netpbm.sourceforge.net/doc/ppmtoyuvsplit.html
+.PP
+\ No newline at end of file