Commit 1f0daccf authored by Erik de Castro Lopo's avatar Erik de Castro Lopo
Browse files

Add a regresion test for compression levels.

parent fc360735
......@@ -869,6 +869,51 @@ foo:
return false;
}
static FLAC__bool generate_noisy_sine(void)
{
FILE *f;
FLAC__byte wav[] = {
'R', 'I', 'F', 'F', 76, 0, 0, 0,
'W', 'A', 'V', 'E', 'f', 'm', 't', ' ',
16, 0, 0, 0, 1, 0, 1, 0,
0x44,0xAC, 0, 0,0x88,0x58,0x01, 0,
2, 0, 16, 0, 'd', 'a', 't', 'a',
0xa8, 0xba, 0x6, 0
};
int32_t randstate = 0x1243456;
double sample, last_val = 0.0;
int k;
if(0 == (f = fopen("noisy-sine.wav", "wb")))
return false;
if(fwrite(wav, 1, sizeof (wav), f) < sizeof (wav))
goto foo;
for (k = 0 ; k < 5 * 44100 ; k++) {
/* Obvioulsy not a crypto quality RNG. */
randstate = 11117 * randstate + 211231;
randstate = 11117 * randstate + 211231;
randstate = 11117 * randstate + 211231;
sample = randstate / (0x7fffffff * 1.000001);
sample = 0.2 * sample - 0.9 * last_val;
last_val = sample;
sample += sin (2.0 * k * M_PI * 1.0 / 32.0);
sample *= 0.4;
write_little_endian_int16(f, lrintf(sample * 32700.0));
};
fclose(f);
return true;
foo:
fclose(f);
return false;
}
static FLAC__bool generate_wackywav64s(void)
{
FILE *f;
......@@ -1078,6 +1123,7 @@ int main(int argc, char *argv[])
if(!generate_wackywavs()) return 1;
if(!generate_wackywav64s()) return 1;
if(!generate_wackyrf64s()) return 1;
if(!generate_noisy_sine()) return 1;
for(channels = 1; channels <= 8; channels *= 2) {
unsigned bits_per_sample;
for(bits_per_sample = 8; bits_per_sample <= 24; bits_per_sample += 4) {
......
......@@ -26,7 +26,8 @@ check_SCRIPTS = \
test_flac.sh \
test_metaflac.sh \
test_seeking.sh \
test_streams.sh
test_streams.sh \
test_compression.sh
# This one should pass when building out-of-tree (eg 'make distcheck').
check: $(check_SCRIPTS)
......@@ -36,6 +37,7 @@ if FLaC__WITH_CPPLIBS
endif
$(srcdir)/test_seeking.sh
$(srcdir)/test_streams.sh
$(srcdir)/test_compression.sh
@echo "----------------"
@echo "All tests passed"
@echo "----------------"
......@@ -53,6 +55,7 @@ endif
./test_metaflac.sh
./test_seeking.sh
./test_streams.sh
./test_compression.sh
@echo "----------------"
@echo "All tests passed"
@echo "----------------"
......
#!/bin/sh
# FLAC - Free Lossless Audio Codec
# Copyright (C) 2012 Xiph.Org Foundation
#
# This file is part the FLAC project. FLAC is comprised of several
# components distributed under difference licenses. The codec libraries
# are distributed under Xiph.Org's BSD-like license (see the file
# COPYING.Xiph in this distribution). All other programs, libraries, and
# plugins are distributed under the GPL (see COPYING.GPL). The documentation
# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
# FLAC distribution contains at the top the terms under which it may be
# distributed.
#
# Since this particular file is relevant to all components of FLAC,
# it may be distributed under the Xiph.Org license, which is the least
# restrictive of those mentioned above. See the file COPYING.Xiph in this
# distribution.
LD_LIBRARY_PATH=`pwd`/../src/libFLAC/.libs:$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:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=`pwd`/../obj/$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${date}.flac"
last_size=0
last_k=0
for k in `seq 1 8` ; do
flac -${k} --silent noisy-sine.wav -o ${fname}
size=`stat --format="%s" ${fname}`
echo "Compression level ${k}, file size ${size} bytes."
if test $k -gt 1 ; then
if test $last_size -lt $size ; then
echo "Error : Compression $last_k size $last_size >= compression $k size $size."
exit 1
fi
fi
last_size=$size
last_k=$k
rm -f $fname
done
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