initial import

src/flac/utils.c

+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2002  Josh Coalson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "utils.h"
+#include "FLAC/assert.h"
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+static FLAC__bool local__parse_uint64_(const char *s, FLAC__uint64 *value)
+{
+	FLAC__uint64 ret = 0;
+	char c;
+
+	if(*s == '\0')
+		return false;
+
+	while('\0' != (c = *s++))
+		if(c >= '0' && c <= '9')
+			ret = ret * 10 + (c - '0');
+		else
+			return false;
+
+	*value = ret;
+	return true;
+}
+
+static FLAC__bool local__parse_timecode_(const char *s, double *value)
+{
+	double ret;
+	unsigned i;
+	char c;
+
+	/* parse [0-9][0-9]*: */
+	c = *s++;
+	if(c >= '0' && c <= '9')
+		i = (c - '0');
+	else
+		return false;
+	while(':' != (c = *s++)) {
+		if(c >= '0' && c <= '9')
+			i = i * 10 + (c - '0');
+		else
+			return false;
+	}
+	ret = (double)i * 60.;
+
+	/* parse [0-9]*[.]?[0-9]* i.e. a sign-less rational number */
+	if(strspn(s, "1234567890.") != strlen(s))
+		return false;
+	{
+		const char *p = strchr(s, '.');
+		if(p && 0 != strchr(++p, '.'))
+			return false;
+	}
+	ret += atof(s);
+
+	*value = ret;
+	return true;
+}
+
+FLAC__bool flac__utils_parse_skip_until_specification(const char *s, utils__SkipUntilSpecification *spec)
+{
+	FLAC__uint64 val;
+	FLAC__bool is_negative = false;
+
+	FLAC__ASSERT(0 != spec);
+
+	spec->is_relative = false;
+	spec->value_is_samples = true;
+	spec->value.samples = 0;
+
+	if(0 != s) {
+		if(s[0] == '-') {
+			is_negative = true;
+			spec->is_relative = true;
+			s++;
+		}
+		else if(s[0] == '+') {
+			spec->is_relative = true;
+			s++;
+		}
+
+		if(local__parse_uint64_(s, &val)) {
+			spec->value_is_samples = true;
+			spec->value.samples = (FLAC__int64)val;
+			if(is_negative)
+				spec->value.samples = -(spec->value.samples);
+		}
+		else {
+			double d;
+			if(!local__parse_timecode_(s, &d))
+				return false;
+			spec->value_is_samples = false;
+			spec->value.seconds = d;
+			if(is_negative)
+				spec->value.seconds = -(spec->value.seconds);
+		}
+	}
+
+	return true;
+}
+
+void flac__utils_canonicalize_skip_until_specification(utils__SkipUntilSpecification *spec, unsigned sample_rate)
+{
+	FLAC__ASSERT(0 != spec);
+	if(!spec->value_is_samples) {
+		spec->value.samples = (FLAC__int64)(spec->value.seconds * (double)sample_rate);
+		spec->value_is_samples = true;
+	}
+}

src/flac/utils.h

+/* flac - Command-line FLAC encoder/decoder
+ * Copyright (C) 2002  Josh Coalson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef flac__utils_h
+#define flac__utils_h
+
+#include "FLAC/ordinals.h"
+
+typedef struct {
+	FLAC__bool is_relative; /* i.e. specification string started with + or - */
+	FLAC__bool value_is_samples;
+	union {
+		double seconds;
+		FLAC__int64 samples;
+	} value;
+} utils__SkipUntilSpecification;
+
+FLAC__bool flac__utils_parse_skip_until_specification(const char *s, utils__SkipUntilSpecification *spec);
+void flac__utils_canonicalize_skip_until_specification(utils__SkipUntilSpecification *spec, unsigned sample_rate);
+
+#endif

test/test_flac.sh

+#!/bin/sh
+
+#  FLAC - Free Lossless Audio Codec
+#  Copyright (C) 2001,2002  Josh Coalson
+#
+#  This program is part of FLAC; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+LD_LIBRARY_PATH=../src/libFLAC/.libs:../obj/release/lib:../obj/debug/lib:$LD_LIBRARY_PATH
+export LD_LIBRARY_PATH
+PATH=../src/flac:../src/test_streams:../obj/release/bin:../obj/debug/bin:$PATH
+
+flac --help 1>/dev/null 2>/dev/null || (echo "ERROR can't find flac executable" 1>&2 && exit 1)
+if [ $? != 0 ] ; then exit 1 ; fi
+
+run_flac ()
+{
+	if [ "$FLAC__VALGRIND" = yes ] ; then
+		valgrind --leak-check=yes --show-reachable=yes --num-callers=10 --logfile-fd=4 flac $* 4>>valgrind.log
+	else
+		flac $*
+	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
+
+#
+# test --skip
+#
+echo "123456789012345678901234567890123456789" > 39c.raw
+echo "012345678901234567890123456789012345678" > 39cu.raw
+echo "0123456789012345678901234567890123456789" > 40c.raw
+echo "01234567890123456789012345678901234567890123456789" > 50c.raw
+
+# test encode --skip=#
+echo "testing --skip=# (encode)"
+if run_flac --silent --verify --lax --force-raw-format --endian=big --sign=signed --sample-rate=10 --bps=8 --channels=1 --skip=10 -o 50c.skip10.flac 50c.raw ; then : ; else
+	echo "ERROR generating FLAC file" 1>&2
+	exit 1
+fi
+if run_flac --silent --decode --force-raw-format --endian=big --sign=signed -o 50c.skip10.raw 50c.skip10.flac ; then : ; else
+	echo "ERROR decoding FLAC file" 1>&2
+	exit 1
+fi
+if cmp 40c.raw 50c.skip10.raw ; then : ; else
+	echo "ERROR: file mismatch for --skip=10 (encode)" 1>&2
+	exit 1
+fi
+rm -f 50c.skip10.flac 50c.skip10.raw
+echo OK
+
+# test encode --skip=mm:ss
+echo "testing --skip=mm:ss (encode)"
+if run_flac --silent --verify --lax --force-raw-format --endian=big --sign=signed --sample-rate=10 --bps=8 --channels=1 --skip=0:01 -o 50c.skip0:01.flac 50c.raw ; then : ; else
+	echo "ERROR generating FLAC file" 1>&2
+	exit 1
+fi
+if run_flac --silent --decode --force-raw-format --endian=big --sign=signed -o 50c.skip0:01.raw 50c.skip0:01.flac ; then : ; else
+	echo "ERROR decoding FLAC file" 1>&2
+	exit 1
+fi
+if cmp 40c.raw 50c.skip0:01.raw ; then : ; else
+	echo "ERROR: file mismatch for --skip=0:01 (encode)" 1>&2
+	exit 1
+fi
+rm -f 50c.skip0:01.flac 50c.skip0:01.raw
+echo OK
+
+# test encode --skip=mm:ss.sss
+echo "testing --skip=mm:ss.sss (encode)"
+if run_flac --silent --verify --lax --force-raw-format --endian=big --sign=signed --sample-rate=10 --bps=8 --channels=1 --skip=0:01.1 -o 50c.skip0:01.1.flac 50c.raw ; then : ; else
+	echo "ERROR generating FLAC file" 1>&2
+	exit 1
+fi
+if run_flac --silent --decode --force-raw-format --endian=big --sign=signed -o 50c.skip0:01.1.raw 50c.skip0:01.1.flac ; then : ; else
+	echo "ERROR decoding FLAC file" 1>&2
+	exit 1
+fi
+if cmp 39c.raw 50c.skip0:01.1.raw ; then : ; else
+	echo "ERROR: file mismatch for --skip=0:01.1 (encode)" 1>&2
+	exit 1
+fi
+rm -f 50c.skip0:01.1.flac 50c.skip0:01.1.raw
+echo OK
+
+# test decode --skip=#
+echo "testing --skip=# (decode)"
+if run_flac --silent --verify --lax --force-raw-format --endian=big --sign=signed --sample-rate=10 --bps=8 --channels=1 -o 50c.flac 50c.raw ; then : ; else
+	echo "ERROR generating FLAC file" 1>&2
+	exit 1
+fi
+if run_flac --silent --decode --force-raw-format --endian=big --sign=signed --skip=10 -o 50c.skip10.raw 50c.flac ; then : ; else
+	echo "ERROR decoding FLAC file" 1>&2
+	exit 1
+fi
+if cmp 40c.raw 50c.skip10.raw ; then : ; else
+	echo "ERROR: file mismatch for --skip=10 (decode)" 1>&2
+	exit 1
+fi
+rm -f 50c.skip10.raw
+echo OK
+
+# test decode --skip=mm:ss
+echo "testing --skip=mm:ss (decode)"
+if run_flac --silent --decode --force-raw-format --endian=big --sign=signed --skip=0:01 -o 50c.skip0:01.raw 50c.flac ; then : ; else
+	echo "ERROR decoding FLAC file" 1>&2
+	exit 1
+fi
+if cmp 40c.raw 50c.skip0:01.raw ; then : ; else
+	echo "ERROR: file mismatch for --skip=0:01 (decode)" 1>&2
+	exit 1
+fi
+rm -f 50c.skip0:01.raw
+echo OK
+
+# test decode --skip=mm:ss.sss
+echo "testing --skip=mm:ss.sss (decode)"
+if run_flac --silent --decode --force-raw-format --endian=big --sign=signed --skip=0:01.1 -o 50c.skip0:01.1.raw 50c.flac ; then : ; else
+	echo "ERROR decoding FLAC file" 1>&2
+	exit 1
+fi
+if cmp 39c.raw 50c.skip0:01.1.raw ; then : ; else
+	echo "ERROR: file mismatch for --skip=0:01.1 (decode)" 1>&2
+	exit 1
+fi
+rm -f 50c.skip0:01.1.raw
+echo OK
+
+rm -f 50c.flac
+
+
+#
+# multi-file tests
+#
+
+echo "Generating streams..."
+if [ ! -f wacky1.wav ] ; then
+	if test_streams ; then : ; else
+		echo "ERROR during test_streams" 1>&2
+		exit 1
+	fi
+fi
+
+echo "Generating multiple input files from noise..."
+if run_flac --verify --silent --force-raw-format --endian=big --sign=signed --sample-rate=44100 --bps=16 --channels=2 noise.raw ; then : ; else
+	echo "ERROR generating FLAC file" 1>&2
+	exit 1
+fi
+if run_flac --decode --silent noise.flac ; then : ; else
+	echo "ERROR generating WAVE file" 1>&2
+	exit 1
+fi
+rm -f noise.flac
+mv noise.wav file0.wav
+cp file0.wav file1.wav
+cp file1.wav file2.wav
+
+test_multifile ()
+{
+	streamtype=$1
+	sector_align=$2
+	encode_options="$3"
+
+	if [ $streamtype = ogg ] ; then
+		suffix=ogg
+		encode_options="$encode_options --ogg"
+	else
+		suffix=flac
+	fi
+
+	if [ $sector_align = sector_align ] ; then
+		encode_options="$encode_options --sector-align"
+	fi
+
+	if run_flac $encode_options file0.wav file1.wav file2.wav ; then : ; else
+		echo "ERROR" 1>&2
+		exit 1
+	fi
+	for n in 0 1 2 ; do
+		mv file$n.$suffix file${n}x.$suffix
+	done
+	if run_flac --decode file0x.$suffix file1x.$suffix file2x.$suffix ; then : ; else
+		echo "ERROR" 1>&2
+		exit 1
+	fi
+	if [ $sector_align != sector_align ] ; then
+		for n in 0 1 2 ; do
+			if cmp file$n.wav file${n}x.wav ; then : ; else
+				echo "ERROR: file mismatch on file #$n" 1>&2
+				exit 1
+			fi
+		done
+	fi
+	for n in 0 1 2 ; do
+		rm -f file${n}x.$suffix file${n}x.wav
+	done
+}
+
+echo "Testing multiple files without verify..."
+test_multifile flac no_sector_align ""
+
+echo "Testing multiple files with verify..."
+test_multifile flac no_sector_align "--verify"
+
+echo "Testing multiple files with --sector-align, without verify..."
+test_multifile flac sector_align ""
+
+echo "Testing multiple files with --sector-align, with verify..."
+test_multifile flac sector_align "--verify"
+
+if [ $has_ogg = "yes" ] ; then
+	echo "Testing multiple files with --ogg, without verify..."
+	test_multifile ogg no_sector_align ""
+
+	echo "Testing multiple files with --ogg, with verify..."
+	test_multifile ogg no_sector_align "--verify"
+
+	echo "Testing multiple files with --ogg and --sector-align, without verify..."
+	test_multifile ogg sector_align ""
+
+	echo "Testing multiple files with --ogg and --sector-align, with verify..."
+	test_multifile sector_align ogg "--verify"
+
+	echo "Testing multiple files with --ogg and --serial-number, with verify..."
+	test_multifile ogg no_sector_align "--serial-number=321 --verify"
+fi