/usr/bin/pfsoctavelum is in pfstools 1.8.5-1ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #!/usr/bin/octave -q
#
# This file is a part of PFSTOOLS package.
# ----------------------------------------------------------------------
# Copyright (C) 2003,2004 Rafal Mantiuk and Grzegorz Krawczyk
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# ----------------------------------------------------------------------
#
# @author Rafal Mantiuk, <mantiuk@mpi-sb.mpg.de>
#
# $Id: pfsoctavelum,v 1.2 2008/05/06 18:01:32 rafm Exp $
#
# See man page for more information
pin = pfsopen( "stdin" );
#fprintf( stderr, "l = %d\n", length( argv ) );
if( nargin != 1 )
error( "Expecting exactly one parameter with octave code to be execuded" );
endif
command = argv(){1};
## Add missing ';'
if( command(length(command)) != ";" )
command = [ command ";" ];
endif
firstFrame = true;
while( true )
pin = pfsget( pin );
if( pin.EOF == true ) # Are there any more frames
break;
endif
if( firstFrame )
## The dimensions are know only after loading the first frame
pout = pfsopen( "stdout", pin.rows, pin.columns );
firstFrame = false;
endif
## Copy channels and tags from the source to destination stream
pout.channels = pin.channels;
pout.tags = pin.tags;
pout.channelTags = pin.channelTags;
[Y _x _y] = pfstransform_colorspace( "XYZ", pout.channels.X, \
pout.channels.Y, pout.channels.Z, "Yxy" );
eval( command );
[pout.channels.X pout.channels.Y pout.channels.Z] = \
pfstransform_colorspace( "Yxy", Y, _x, _y, "XYZ" );
pfsput( pout );
endwhile
pfsclose( pin );
if( exist( "pout" ) != 0 )
pfsclose( pout );
endif
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