flac/test/test_compression.sh
Erik de Castro Lopo cd3162a2f6 test/test_compression.sh : Replace seq with numbers.
Apparently seq is a GNU program that isn't installed by default
on OpenBSD.
2013-03-09 19:40:19 +11:00

52 lines
1.9 KiB
Bash
Executable File

#!/bin/sh
# FLAC - Free Lossless Audio Codec
# Copyright (C) 2012 Xiph.Org Foundation
#
# This file is part the FLAC project. FLAC is comprised of several
# components distributed under difference licenses. The codec libraries
# are distributed under Xiph.Org's BSD-like license (see the file
# COPYING.Xiph in this distribution). All other programs, libraries, and
# plugins are distributed under the GPL (see COPYING.GPL). The documentation
# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
# FLAC distribution contains at the top the terms under which it may be
# distributed.
#
# Since this particular file is relevant to all components of FLAC,
# it may be distributed under the Xiph.Org license, which is the least
# restrictive of those mentioned above. See the file COPYING.Xiph in this
# distribution.
LD_LIBRARY_PATH=`pwd`/../src/libFLAC/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=`pwd`/../src/share/grabbag/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=`pwd`/../src/share/getopt/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=`pwd`/../src/share/replaygain_analysis/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=`pwd`/../src/share/replaygain_synthesis/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=`pwd`/../src/share/utf8/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=`pwd`/../objs/$BUILD/lib:$LD_LIBRARY_PATH
export LD_LIBRARY_PATH
PATH=`pwd`/../src/flac:$PATH
echo "Using FLAC binary :" $(which flac)
date=`date "+%Y%m%dT%H%M%S"`
fname="comp${date}.flac"
last_k=0
last_size=$(wc -c < noisy-sine.wav)
echo "Original file size ${last_size} bytes."
for k in 1 2 3 4 5 6 7 8 ; do
flac -${k} --silent noisy-sine.wav -o ${fname}
size=$(wc -c < ${fname})
echo "Compression level ${k}, file size ${size} bytes."
if test ${last_size} -lt ${size} ; then
echo "Error : Compression ${last_k} size $last_size >= compression $k size $size."
exit 1
fi
last_size=${size}
last_k=${k}
rm -f ${fname}
done