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|
#!/bin/sh -e
# FLAC - Free Lossless Audio Codec
# Copyright (C) 2002-2009 Josh Coalson
# Copyright (C) 2011-2014 Xiph.Org Foundation
#
# This file is part the FLAC project. FLAC is comprised of several
# components distributed under different 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.
. ./common.sh
PATH=`pwd`/../src/flac:$PATH
PATH=`pwd`/../src/metaflac:$PATH
PATH=`pwd`/../objs/$BUILD/bin:$PATH
if echo a | (grep -E '(a|b)') >/dev/null 2>&1
then EGREP='grep -E'
else EGREP='egrep'
fi
testdir="metaflac-test-files"
flacfile="replaygain.flac"
run_flac ()
{
if [ x"$FLAC__TEST_WITH_VALGRIND" = xyes ] ; then
echo "valgrind --leak-check=yes --show-reachable=yes --num-callers=50 flac $*" >>test_replaygain.valgrind.log
valgrind --leak-check=yes --show-reachable=yes --num-callers=50 --log-fd=4 flac --no-error-on-compression-fail $* 4>>test_replaygain.valgrind.log
else
flac${EXE} --no-error-on-compression-fail $*
fi
}
run_metaflac ()
{
if [ x"$FLAC__TEST_WITH_VALGRIND" = xyes ] ; then
echo "valgrind --leak-check=yes --show-reachable=yes --num-callers=50 metaflac $*" >>test_replaygain.valgrind.log
valgrind --leak-check=yes --show-reachable=yes --num-callers=50 --log-fd=4 metaflac $* 4>>test_replaygain.valgrind.log
else
metaflac${EXE} $*
fi
}
run_metaflac_silent ()
{
if [ -z "$SILENT" ] ; then
run_metaflac $*
else
if [ x"$FLAC__TEST_WITH_VALGRIND" = xyes ] ; then
echo "valgrind --leak-check=yes --show-reachable=yes --num-callers=50 metaflac $*" >>test_replaygain.valgrind.log
valgrind --leak-check=yes --show-reachable=yes --num-callers=50 --log-fd=4 metaflac $* 2>/dev/null 4>>test_replaygain.valgrind.log
else
metaflac${EXE} $* 2>/dev/null
fi
fi
}
check_flac ()
{
run_flac --silent --test $flacfile || die "ERROR in $flacfile" 1>&2
}
echo "Generating stream..."
bytes=80000
if dd if=/dev/zero ibs=1 count=$bytes | flac${EXE} --force --verify -0 --input-size=$bytes --output-name=$flacfile --force-raw-format --endian=big --sign=signed --channels=1 --bps=8 --sample-rate=8000 - ; then
chmod +w $flacfile
else
die "ERROR during generation"
fi
check_flac
if mawk ; then
AWK=mawk
else
# Really hope awk is not gawk, because the following AWK script doesn't
# work correctly with gawk 4.0.1 but did with earlier versions.
AWK=awk
fi
# Replay gain tests - Test the rates which have specific filter table entries
# and verify that harmonics can be processed correctly.
tonegenerator ()
{
# When using GAWK, use --lint=posix to identify non-POSIX awk usages.
$AWK -- '
BEGIN {
samplerate = '$1';
tone = 1000;
duration = 1;
bitspersample = 24;
samplemidpoint = 1;
for (sps = 0 ; sps < bitspersample - 1 ; sps++) {
samplemidpoint *= 2;
}
samplerange = samplemidpoint - 1;
pi = 4 * atan2(1,1);
for (ix = 0; ix < duration * samplerate; ++ix) {
sample = sin(2 * pi * tone * ix / samplerate);
sample *= samplerange;
sample += samplemidpoint;
sample = int(sample);
for (bx = 0; bx < bitspersample/8; ++bx) {
byte[bx] = sample % 256;
sample /= 256;
}
while (bx--) {
printf("%c", byte[bx]);
}
}
}' /dev/null |
flac${EXE} --silent --no-error-on-compression-fail --force-raw-format \
--endian=big --channels=1 --bps=24 --sample-rate=$1 --sign=unsigned -
}
REPLAYGAIN_FREQ=
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 8000/-12.76"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 11025/-12.93"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 12000/-13.00"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 16000/-13.29"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 18900/-13.43"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 22050/-13.77"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 24000/-13.83"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 28000/-14.06"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 32000/-14.08"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 36000/-14.12"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 37800/-14.18"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 44100/-14.17"
REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 48000/-14.16:1:2:4"
set -e
for ACTION in $REPLAYGAIN_FREQ ; do
if [ -n "${ACTION##*:*}" ] ; then
HARMONICS=1
else
HARMONICS="${ACTION#*:}"
fi
FREQ="${ACTION%%/*}"
GAIN="${ACTION#*/}"
GAIN="${GAIN%%:*}"
while [ -n "$HARMONICS" ] ; do
MULTIPLE="${HARMONICS%%:*}"
if [ x"$MULTIPLE" = x"$HARMONICS" ] ; then
HARMONICS=
else
HARMONICS="${HARMONICS#*:}"
fi
RATE=$(($MULTIPLE * FREQ))
[ $MULTIPLE -eq 1 -o -n "${REPLAYGAIN_FREQ##* $RATE/*}" ] || break
echo -n "Testing FLAC replaygain $RATE ($FREQ x $MULTIPLE) ... "
tonegenerator $RATE > $flacfile
run_metaflac --add-replay-gain $flacfile
run_metaflac --list $flacfile | grep REPLAYGAIN.*GAIN= |
while read -r REPLAYGAIN ; do
MEASUREDGAIN="${REPLAYGAIN##*=}"
MEASUREDGAIN="${MEASUREDGAIN%% *}"
if [ x"$MEASUREDGAIN" != x"$GAIN" ] ; then
die "ERROR, Expected $GAIN db instead of $REPLAYGAIN"
fi
done
echo OK
done
done
rm -f $testdir/out.flac $testdir/out.meta
exit 0
|
