189 lines
5.7 KiB
Bash
Executable File
189 lines
5.7 KiB
Bash
Executable File
#!/bin/bash -e
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# FLAC - Free Lossless Audio Codec
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# Copyright (C) 2002-2009 Josh Coalson
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# Copyright (C) 2011-2013 Xiph.Org Foundation
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#
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# This file is part the FLAC project. FLAC is comprised of several
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# components distributed under different licenses. The codec libraries
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# are distributed under Xiph.Org's BSD-like license (see the file
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# COPYING.Xiph in this distribution). All other programs, libraries, and
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# plugins are distributed under the GPL (see COPYING.GPL). The documentation
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# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
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# FLAC distribution contains at the top the terms under which it may be
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# distributed.
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#
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# Since this particular file is relevant to all components of FLAC,
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# it may be distributed under the Xiph.Org license, which is the least
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# restrictive of those mentioned above. See the file COPYING.Xiph in this
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# distribution.
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source common.sh
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PATH=`pwd`/../src/flac:$PATH
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PATH=`pwd`/../src/metaflac:$PATH
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PATH=`pwd`/../objs/$BUILD/bin:$PATH
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if echo a | (grep -E '(a|b)') >/dev/null 2>&1
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then EGREP='grep -E'
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else EGREP='egrep'
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fi
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testdir="metaflac-test-files"
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flacfile="replaygain.flac"
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run_flac ()
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{
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if [ x"$FLAC__TEST_WITH_VALGRIND" = xyes ] ; then
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echo "valgrind --leak-check=yes --show-reachable=yes --num-callers=50 flac $*" >>test_replaygain.valgrind.log
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valgrind --leak-check=yes --show-reachable=yes --num-callers=50 --log-fd=4 flac --no-error-on-compression-fail $* 4>>test_replaygain.valgrind.log
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else
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flac${EXE} --no-error-on-compression-fail $*
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fi
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}
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run_metaflac ()
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{
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if [ x"$FLAC__TEST_WITH_VALGRIND" = xyes ] ; then
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echo "valgrind --leak-check=yes --show-reachable=yes --num-callers=50 metaflac $*" >>test_replaygain.valgrind.log
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valgrind --leak-check=yes --show-reachable=yes --num-callers=50 --log-fd=4 metaflac $* 4>>test_replaygain.valgrind.log
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else
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metaflac${EXE} $*
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fi
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}
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run_metaflac_silent ()
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{
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if [ -z "$SILENT" ] ; then
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run_metaflac $*
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else
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if [ x"$FLAC__TEST_WITH_VALGRIND" = xyes ] ; then
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echo "valgrind --leak-check=yes --show-reachable=yes --num-callers=50 metaflac $*" >>test_replaygain.valgrind.log
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valgrind --leak-check=yes --show-reachable=yes --num-callers=50 --log-fd=4 metaflac $* 2>/dev/null 4>>test_replaygain.valgrind.log
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else
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metaflac${EXE} $* 2>/dev/null
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fi
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fi
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}
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check_flac ()
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{
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run_flac --silent --test $flacfile || die "ERROR in $flacfile" 1>&2
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}
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echo "Generating stream..."
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bytes=80000
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if dd if=/dev/zero ibs=1 count=$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
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chmod +w $flacfile
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else
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die "ERROR during generation"
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fi
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check_flac
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if mawk ; then
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AWK=mawk
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else
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# Really hope awk is not gawk, because the following AWK script doesn't
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# work correctly with gawk 4.0.1 but did with earlier versions.
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AWK=awk
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fi
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# Replay gain tests - Test the rates which have specific filter table entries
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# and verify that harmonics can be processed correctly.
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tonegenerator ()
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{
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# When using GAWK, use --lint=posix to identify non-POSIX awk usages.
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$AWK -- '
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BEGIN {
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samplerate = '$1';
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tone = 1000;
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duration = 1;
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bitspersample = 24;
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samplemidpoint = 1;
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for (sps = 0 ; sps < bitspersample - 1 ; sps++) {
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samplemidpoint *= 2;
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}
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samplerange = samplemidpoint - 1;
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pi = 4 * atan2(1,1);
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for (ix = 0; ix < duration * samplerate; ++ix) {
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sample = sin(2 * pi * tone * ix / samplerate);
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sample *= samplerange;
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sample += samplemidpoint;
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sample = int(sample);
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for (bx = 0; bx < bitspersample/8; ++bx) {
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byte[bx] = sample % 256;
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sample /= 256;
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}
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while (bx--) {
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printf("%c", byte[bx]);
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}
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}
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}' /dev/null |
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flac${EXE} --silent --no-error-on-compression-fail \
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--endian=big --channels=1 --bps=24 --sample-rate=$1 --sign=unsigned -
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}
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REPLAYGAIN_FREQ=
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 8000/-12.76"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 11025/-12.93"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 12000/-13.00"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 16000/-13.29"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 18900/-13.43"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 22050/-13.77"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 24000/-13.83"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 28000/-14.06"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 32000/-14.08"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 36000/-14.12"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 37800/-14.18"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 44100/-14.17"
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REPLAYGAIN_FREQ="$REPLAYGAIN_FREQ 48000/-14.16:1:2:4"
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set -e
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for ACTION in $REPLAYGAIN_FREQ ; do
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if [ -n "${ACTION##*:*}" ] ; then
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HARMONICS=1
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else
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HARMONICS="${ACTION#*:}"
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fi
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FREQ="${ACTION%%/*}"
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GAIN="${ACTION#*/}"
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GAIN="${GAIN%%:*}"
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while [ -n "$HARMONICS" ] ; do
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MULTIPLE="${HARMONICS%%:*}"
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if [ x"$MULTIPLE" = x"$HARMONICS" ] ; then
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HARMONICS=
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else
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HARMONICS="${HARMONICS#*:}"
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fi
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RATE=$(($MULTIPLE * FREQ))
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[ $MULTIPLE -eq 1 -o -n "${REPLAYGAIN_FREQ##* $RATE/*}" ] || break
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echo -n "Testing FLAC replaygain $RATE ($FREQ x $MULTIPLE) ... "
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tonegenerator $RATE > $flacfile
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run_metaflac --add-replay-gain $flacfile
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run_metaflac --list $flacfile | grep REPLAYGAIN.*GAIN= |
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while read -r REPLAYGAIN ; do
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MEASUREDGAIN="${REPLAYGAIN##*=}"
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MEASUREDGAIN="${MEASUREDGAIN%% *}"
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if [ x"$MEASUREDGAIN" != x"$GAIN" ] ; then
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die "ERROR, Expected $GAIN db instead of $REPLAYGAIN"
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fi
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done
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echo OK
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done
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done
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rm -f $testdir/out.flac $testdir/out.meta
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exit 0
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