test_flac.sh

这是著名的TCPMP播放器在WINDWOWS,和WINCE下编译通过的源程序.笔者对其中的LIBMAD库做了针对ARM MPU的优化. 并增加了词幕功能.

#!/bin/sh

#  FLAC - Free Lossless Audio Codec
#  Copyright (C) 2001,2002,2003,2004,2005  Josh Coalson
#
#  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.

die ()
{
	echo $* 1>&2
	exit 1
}

if [ x = x"$1" ] ; then 
	BUILD=debug
else
	BUILD="$1"
fi

LD_LIBRARY_PATH=../src/libFLAC/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=../src/libOggFLAC/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=../src/share/grabbag/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=../src/share/getopt/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=../src/share/replaygain_analysis/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=../src/share/replaygain_synthesis/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=../src/share/utf8/.libs:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=../obj/$BUILD/lib:$LD_LIBRARY_PATH
export LD_LIBRARY_PATH
PATH=../src/flac:$PATH
PATH=../src/metaflac:$PATH
PATH=../src/test_streams:$PATH
PATH=../obj/$BUILD/bin:$PATH

flac --help 1>/dev/null 2>/dev/null || die "ERROR can't find flac executable"

run_flac ()
{
	if [ x"$FLAC__VALGRIND" = xyes ] ; then
		valgrind --leak-check=yes --show-reachable=yes --num-callers=100 --logfile-fd=4 flac $* 4>>test_flac.valgrind.log
	else
		flac $*
	fi
}

run_metaflac ()
{
	if [ x"$FLAC__VALGRIND" = xyes ] ; then
		valgrind --leak-check=yes --show-reachable=yes --num-callers=100 --logfile-fd=4 metaflac $* 4>>test_flac.valgrind.log
	else
		metaflac $*
	fi
}

if [ `env | grep -ic '^comspec='` != 0 ] ; then
	is_win=yes
else
	is_win=no
fi

echo "Checking for --ogg support in flac..."
if flac --ogg --silent --force-raw-format --endian=little --sign=signed --channels=1 --bps=8 --sample-rate=44100 -c $0 1>/dev/null 2>&1 ; then
	has_ogg=yes;
	echo "flac --ogg works"
else
	has_ogg=no;
	echo "flac --ogg doesn't work"
fi


echo "Generating streams..."
if [ ! -f wacky1.wav ] ; then
	test_streams || die "ERROR during test_streams"
fi

############################################################################
# test that flac doesn't automatically overwrite files unless -f is used
############################################################################

echo "Try encoding to a file that exists; should fail"
cp wacky1.wav exist.wav
touch exist.flac
if run_flac --totally-silent -0 exist.wav ; then
	die "ERROR: it should have failed but didn't"
else
	echo "OK, it failed as it should"
fi

echo "Try encoding with -f to a file that exists; should succeed"
if run_flac --totally-silent -0 --force exist.wav ; then
	echo "OK, it succeeded as it should"
else
	die "ERROR: it should have succeeded but didn't"
fi

echo "Try decoding to a file that exists; should fail"
if run_flac --totally-silent -d exist.flac ; then
	die "ERROR: it should have failed but didn't"
else
	echo "OK, it failed as it should"
fi

echo "Try decoding with -f to a file that exists; should succeed"
if run_flac --totally-silent -d -f exist.flac ; then
	echo "OK, it succeeded as it should"
else
	die "ERROR: it should have succeeded but didn't"
fi

rm -f exist.wav exist.flac

############################################################################
# basic 'round-trip' tests of various kinds of streams
############################################################################

rt_test_raw ()
{
	f="$1"
	channels=`echo $f | awk -F- '{print $2}'`
	bytes_per_sample=`echo $f | awk -F- '{print $3}'`
	bps=`expr $bytes_per_sample '*' 8`
	echo -n "round-trip test ($f) encode... "
	run_flac --silent --force --verify --force-raw-format --endian=little --sign=signed --sample-rate=44100 --bps=$bps --channels=$channels $f -o rt.flac || die "ERROR"
	echo -n "decode... "
	run_flac --silent --force --decode --force-raw-format --endian=little --sign=signed -o rt.raw rt.flac || die "ERROR"
	echo -n "compare... "
	cmp $f rt.raw || die "ERROR: file mismatch"
	echo "OK"
	rm -f rt.flac rt.raw
}

rt_test_wav ()
{
	f="$1"
	echo -n "round-trip test ($f) encode... "
	run_flac --silent --force --verify $f -o rt.flac || die "ERROR"
	echo -n "decode... "
	run_flac --silent --force --decode -o rt.wav rt.flac || die "ERROR"
	echo -n "compare... "
	cmp $f rt.wav || die "ERROR: file mismatch"
	echo "OK"
	rm -f rt.flac rt.wav
}

rt_test_aiff ()
{
	f="$1"
	echo -n "round-trip test ($f) encode... "
	run_flac --silent --force --verify $f -o rt.flac || die "ERROR"
	echo -n "decode... "
	run_flac --silent --force --decode -o rt.aiff rt.flac || die "ERROR"
	echo -n "compare... "
	cmp $f rt.aiff || die "ERROR: file mismatch"
	echo "OK"
	rm -f rt.flac rt.aiff
}

for f in rt-*.raw ; do
	rt_test_raw $f
done
for f in rt-*.wav ; do
	rt_test_wav $f
done
for f in rt-*.aiff ; do
	rt_test_aiff $f
done

############################################################################
# test --skip and --until
############################################################################

#
# first make some chopped-up raw files
#
echo "abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMN" > master.raw
dddie="die ERROR: creating files for --skip/--until tests"
dd if=master.raw ibs=1 count=50 of=50c.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=10 count=40 of=50c.skip10.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=11 count=39 of=50c.skip11.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=20 count=30 of=50c.skip20.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=30 count=20 of=50c.skip30.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=40 count=10 of=50c.skip40.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 count=10 of=50c.until10.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 count=20 of=50c.until20.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 count=30 of=50c.until30.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 count=39 of=50c.until39.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 count=40 of=50c.until40.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=10 count=20 of=50c.skip10.until30.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=10 count=29 of=50c.skip10.until39.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=10 count=30 of=50c.skip10.until40.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=20 count=10 of=50c.skip20.until30.raw 2>/dev/null || $dddie
dd if=master.raw ibs=1 skip=20 count=20 of=50c.skip20.until40.raw 2>/dev/null || $dddie

wav_eopt="--silent --force --verify --lax"
wav_dopt="--silent --force --decode"

raw_eopt="$wav_eopt --force-raw-format --endian=big --sign=signed --sample-rate=10 --bps=8 --channels=1"
raw_dopt="$wav_dopt --force-raw-format --endian=big --sign=signed"

#
# convert them to WAVE and AIFF files
#
convert_to_wav ()
{
	run_flac $raw_eopt $1.raw || die "ERROR converting $1.raw to WAVE"
	run_flac $wav_dopt $1.flac || die "ERROR converting $1.raw to WAVE"
}
convert_to_wav 50c
convert_to_wav 50c.skip10
convert_to_wav 50c.skip11
convert_to_wav 50c.skip20
convert_to_wav 50c.skip30
convert_to_wav 50c.skip40
convert_to_wav 50c.until10
convert_to_wav 50c.until20
convert_to_wav 50c.until30
convert_to_wav 50c.until39
convert_to_wav 50c.until40
convert_to_wav 50c.skip10.until30
convert_to_wav 50c.skip10.until39
convert_to_wav 50c.skip10.until40
convert_to_wav 50c.skip20.until30
convert_to_wav 50c.skip20.until40

convert_to_aiff ()
{
	run_flac $raw_eopt $1.raw || die "ERROR converting $1.raw to AIFF"
	run_flac $wav_dopt $1.flac -o $1.aiff || die "ERROR converting $1.raw to AIFF"
}
convert_to_aiff 50c
convert_to_aiff 50c.skip10
convert_to_aiff 50c.skip11
convert_to_aiff 50c.skip20
convert_to_aiff 50c.skip30
convert_to_aiff 50c.skip40
convert_to_aiff 50c.until10
convert_to_aiff 50c.until20
convert_to_aiff 50c.until30
convert_to_aiff 50c.until39
convert_to_aiff 50c.until40
convert_to_aiff 50c.skip10.until30
convert_to_aiff 50c.skip10.until39
convert_to_aiff 50c.skip10.until40
convert_to_aiff 50c.skip20.until30
convert_to_aiff 50c.skip20.until40

test_skip_until ()
{
	in_fmt=$1
	out_fmt=$2

	[ "$in_fmt" = wav ] || [ "$in_fmt" = aiff ] || [ "$in_fmt" = raw ] || die "ERROR: internal error, bad 'in' format '$in_fmt'"

	[ "$out_fmt" = flac ] || [ "$out_fmt" = ogg ] || die "ERROR: internal error, bad 'out' format '$out_fmt'"

	if [ $in_fmt = raw ] ; then
		eopt="$raw_eopt"
		dopt="$raw_dopt"
	else
		eopt="$wav_eopt"
		dopt="$wav_dopt"
	fi

	if [ $out_fmt = ogg ] ; then
		eopt="--ogg $eopt"
	fi

	#
	# test --skip when encoding
	#

	desc="($in_fmt<->$out_fmt)"

	echo -n "testing --skip=# (encode) $desc... "
	run_flac $eopt --skip=10 -o z50c.skip10.$out_fmt 50c.$in_fmt || die "ERROR generating FLAC file $desc"
	run_flac $dopt -o z50c.skip10.$in_fmt z50c.skip10.$out_fmt || die "ERROR decoding FLAC file $desc"
	cmp 50c.skip10.$in_fmt z50c.skip10.$in_fmt || die "ERROR: file mismatch for --skip=10 (encode) $desc"
	rm -f z50c.skip10.$out_fmt z50c.skip10.$in_fmt
	echo OK

	echo -n "testing --skip=mm:ss (encode) $desc... "
	run_flac $eopt --skip=0:01 -o z50c.skip0:01.$out_fmt 50c.$in_fmt || die "ERROR generating FLAC file $desc"
	run_flac $dopt -o z50c.skip0:01.$in_fmt z50c.skip0:01.$out_fmt || die "ERROR decoding FLAC file $desc"
	cmp 50c.skip10.$in_fmt z50c.skip0:01.$in_fmt || die "ERROR: file mismatch for --skip=0:01 (encode) $desc"
	rm -f z50c.skip0:01.$out_fmt z50c.skip0:01.$in_fmt
	echo OK