115 lines
3.5 KiB
Plaintext
115 lines
3.5 KiB
Plaintext
#!__PERL__ -w
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###########################################################################
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## ##
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## Centre for Speech Technology Research ##
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## University of Edinburgh, UK ##
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## Copyright (c) 1996 ##
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## All Rights Reserved. ##
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## ##
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## Permission is hereby granted, free of charge, to use and distribute ##
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## this software and its documentation without restriction, including ##
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## without limitation the rights to use, copy, modify, merge, publish, ##
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## distribute, sublicense, and/or sell copies of this work, and to ##
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## permit persons to whom this work is furnished to do so, subject to ##
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## the following conditions: ##
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## 1. The code must retain the above copyright notice, this list of ##
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## conditions and the following disclaimer. ##
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## 2. Any modifications must be clearly marked as such. ##
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## 3. Original authors' names are not deleted. ##
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## 4. The authors' names are not used to endorse or promote products ##
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## derived from this software without specific prior written ##
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## permission. ##
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## ##
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## THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK ##
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## DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ##
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## ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT ##
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## SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE ##
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## FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ##
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## WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN ##
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## AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ##
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## ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF ##
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## THIS SOFTWARE. ##
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## ##
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###########################################################################
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# /*@name raw_to_xgraph
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# *
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# * A simple script to convert raw sample data to something
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# * xgraph can plot.
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# *
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# * @author Richard Caley <rjc@cstr.ed.ac.uk>
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# * @version $Id: raw_to_xgraph.prl,v 1.2 2001/04/04 13:11:27 awb Exp $
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# */
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sub useage
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{
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print <<END;
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Convert raw sample data into something xgraph can plot.
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Useage: raw_to_xgraph [-help] [ RAW_SAMPLE_DATA_FILE ]
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-sr NNN Wave sample rate.
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-help Print this help message
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END
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}
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#__SHARED_SETUP__
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$stream = STDIN;
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$sample_rate = 1;
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while ($#ARGV>=0)
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{
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if ($ARGV[0] =~ /-+h(elp)?/)
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{
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useage();
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exit(0);
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}
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elsif ($ARGV[0] =~ /-+s(ample)?-?r?(ate)?/)
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{
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shift @ARGV;
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$sample_rate = $ARGV[0];
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shift @ARGV;
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}
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else
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{
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last;
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}
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}
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if ($#ARGV>=0)
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{
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open(INPUT, $ARGV[0]) ||
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die "can't open '$ARGV[0]' - $!";
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$stream = INPUT;
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}
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if ($#ARGV >= 0)
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{
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useage();
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exit(1);
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}
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binmode $stream;
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$c=0;
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while(sysread($stream, $buf, 256))
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{
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foreach $i (unpack("s*", $buf))
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{
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print "",($c++ + 0.0)/$sample_rate, " ", $i, "\n";
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}
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}
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if ($stream eq INPUT)
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{
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close(INPUT);
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}
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exit(0);
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