mirror of
https://github.com/claunia/flac.git
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546 lines
15 KiB
C
546 lines
15 KiB
C
/* test_streams - Simple test pattern generator
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* Copyright (C) 2000,2001 Josh Coalson
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifndef _MSC_VER
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#include <sys/time.h>
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#endif
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#include "FLAC/assert.h"
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#include "FLAC/ordinals.h"
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#ifndef M_PI
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/* math.h in VC++ doesn't seem to have this (how Microsoft is that?) */
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#define M_PI 3.14159265358979323846
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#endif
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#ifdef _WIN32
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static const char *mode = "wb";
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#else
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static const char *mode = "w";
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#endif
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static FLAC__bool is_big_endian_host;
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static void swap16(FLAC__int16 *i)
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{
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unsigned char *x = (unsigned char *)i, b;
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if(!is_big_endian_host) {
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b = x[0];
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x[0] = x[1];
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x[1] = b;
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}
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}
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static void swap24(FLAC__byte *x)
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{
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if(is_big_endian_host) {
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x[0] = x[1];
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x[1] = x[2];
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x[2] = x[3];
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}
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else {
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FLAC__byte b = x[0];
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x[0] = x[2];
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x[2] = b;
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}
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}
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/* a mono one-sample 16bps stream */
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static FLAC__bool generate_01()
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{
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FILE *f;
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FLAC__int16 x = -32768;
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if(0 == (f = fopen("test01.raw", mode)))
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return false;
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swap16(&x);
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if(fwrite(&x, sizeof(x), 1, f) < 1)
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goto foo;
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a stereo one-sample 16bps stream */
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static FLAC__bool generate_02()
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{
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FILE *f;
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FLAC__int16 xl = -32768, xr = 32767;
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if(0 == (f = fopen("test02.raw", mode)))
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return false;
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swap16(&xl);
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swap16(&xr);
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if(fwrite(&xl, sizeof(xl), 1, f) < 1)
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goto foo;
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if(fwrite(&xr, sizeof(xr), 1, f) < 1)
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goto foo;
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a mono five-sample 16bps stream */
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static FLAC__bool generate_03()
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{
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FILE *f;
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FLAC__int16 x[] = { -25, 0, 25, 50, 100 };
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unsigned i;
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if(0 == (f = fopen("test03.raw", mode)))
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return false;
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for(i = 0; i < 5; i++)
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swap16(x+i);
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if(fwrite(&x, sizeof(FLAC__int16), 5, f) < 5)
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goto foo;
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a stereo five-sample 16bps stream */
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static FLAC__bool generate_04()
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{
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FILE *f;
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FLAC__int16 x[] = { -25, 500, 0, 400, 25, 300, 50, 200, 100, 100 };
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unsigned i;
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if(0 == (f = fopen("test04.raw", mode)))
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return false;
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for(i = 0; i < 10; i++)
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swap16(x+i);
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if(fwrite(&x, sizeof(FLAC__int16), 10, f) < 10)
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goto foo;
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a mono full-scale deflection 8bps stream */
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static FLAC__bool generate_fsd8(const char *fn, const int pattern[], unsigned reps)
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{
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FILE *f;
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unsigned rep, p;
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FLAC__ASSERT(pattern != 0);
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(rep = 0; rep < reps; rep++) {
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for(p = 0; pattern[p]; p++) {
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signed char x = pattern[p] > 0? 127 : -128;
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if(fwrite(&x, sizeof(x), 1, f) < 1)
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goto foo;
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}
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a mono full-scale deflection 16bps stream */
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static FLAC__bool generate_fsd16(const char *fn, const int pattern[], unsigned reps)
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{
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FILE *f;
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unsigned rep, p;
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FLAC__ASSERT(pattern != 0);
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(rep = 0; rep < reps; rep++) {
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for(p = 0; pattern[p]; p++) {
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FLAC__int16 x = pattern[p] > 0? 32767 : -32768;
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swap16(&x);
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if(fwrite(&x, sizeof(x), 1, f) < 1)
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goto foo;
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}
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a stereo wasted-bits-per-sample 16bps stream */
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static FLAC__bool generate_wbps16(const char *fn, unsigned samples)
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{
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FILE *f;
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unsigned sample;
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(sample = 0; sample < samples; sample++) {
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FLAC__int16 l = (sample % 2000) << 2;
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FLAC__int16 r = (sample % 1000) << 3;
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swap16(&l);
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swap16(&r);
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if(fwrite(&l, sizeof(l), 1, f) < 1)
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goto foo;
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if(fwrite(&r, sizeof(r), 1, f) < 1)
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goto foo;
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a mono full-scale deflection 24bps stream */
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static FLAC__bool generate_fsd24(const char *fn, const int pattern[], unsigned reps)
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{
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FILE *f;
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unsigned rep, p;
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FLAC__ASSERT(pattern != 0);
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(rep = 0; rep < reps; rep++) {
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for(p = 0; pattern[p]; p++) {
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FLAC__int32 x = pattern[p] > 0? 8388607 : -8388608;
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FLAC__byte *b = (FLAC__byte*)(&x);
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swap24(b);
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if(fwrite(b, 3, 1, f) < 1)
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goto foo;
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}
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a mono sine-wave 16bps stream */
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static FLAC__bool generate_sine16_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2)
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{
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const FLAC__int16 full_scale = 32767;
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const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
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const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
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FILE *f;
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double theta1, theta2;
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unsigned i;
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
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double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
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FLAC__int16 v = (FLAC__int16)(val + 0.5);
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swap16(&v);
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if(fwrite(&v, sizeof(v), 1, f) < 1)
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goto foo;
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a stereo sine-wave 16bps stream */
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static FLAC__bool generate_sine16_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult)
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{
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const FLAC__int16 full_scale = 32767;
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const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
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const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
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FILE *f;
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double theta1, theta2;
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unsigned i;
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
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double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
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FLAC__int16 v = (FLAC__int16)(val + 0.5);
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swap16(&v);
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if(fwrite(&v, sizeof(v), 1, f) < 1)
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goto foo;
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val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale;
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v = (FLAC__int16)(val + 0.5);
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swap16(&v);
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if(fwrite(&v, sizeof(v), 1, f) < 1)
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goto foo;
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a mono sine-wave 24bps stream */
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static FLAC__bool generate_sine24_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2)
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{
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const FLAC__int32 full_scale = 0x7fffff;
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const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
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const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
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FILE *f;
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double theta1, theta2;
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unsigned i;
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
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double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
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FLAC__int32 v = (FLAC__int32)(val + 0.5);
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FLAC__byte *b = (FLAC__byte*)(&v);
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swap24(b);
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if(fwrite(b, 3, 1, f) < 1)
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goto foo;
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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/* a stereo sine-wave 24bps stream */
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static FLAC__bool generate_sine24_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult)
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{
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const FLAC__int32 full_scale = 0x7fffff;
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const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
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const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
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FILE *f;
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double theta1, theta2;
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unsigned i;
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
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double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
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FLAC__int32 v = (FLAC__int32)(val + 0.5);
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FLAC__byte *b = (FLAC__byte*)(&v);
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swap24(b);
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if(fwrite(b, 3, 1, f) < 1)
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goto foo;
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val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale;
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v = (FLAC__int32)(val + 0.5);
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swap24(b);
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if(fwrite(b, 3, 1, f) < 1)
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goto foo;
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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static FLAC__bool generate_noise(const char *fn, unsigned bytes)
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{
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FILE *f;
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unsigned b;
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#ifndef _MSC_VER
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struct timeval tv;
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if(gettimeofday(&tv, 0) < 0) {
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fprintf(stderr, "WARNING: couldn't seed RNG with time\n");
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tv.tv_usec = 4321;
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}
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srandom(tv.tv_usec);
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#else
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/* who has the patience to figure out how to do RNG with VC++? */
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#endif
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if(0 == (f = fopen(fn, mode)))
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return false;
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for(b = 0; b < bytes; b++) {
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#ifndef _MSC_VER
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FLAC__byte x = (FLAC__byte)(((unsigned)random()) & 0xff);
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#else
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FLAC__byte x = (FLAC__byte)((((unsigned)generate_noise) >> 8) ^ (b * 17)); /* fake it */
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#endif
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if(fwrite(&x, sizeof(x), 1, f) < 1)
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goto foo;
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}
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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static FLAC__bool generate_wackywavs()
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{
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FILE *f;
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FLAC__byte wav[] = {
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'R', 'I', 'F', 'F', 76, 0, 0, 0,
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'W', 'A', 'V', 'E', 'f', 'a', 'c', 't',
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4, 0, 0, 0 , 'b', 'l', 'a', 'h',
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'p', 'a', 'd', ' ', 4, 0, 0, 0,
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'B', 'L', 'A', 'H', 'f', 'm', 't', ' ',
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16, 0, 0, 0, 1, 0, 1, 0,
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0x44,0xAC, 0, 0, 0, 0, 0, 0,
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2, 0, 16, 0, 'd', 'a', 't', 'a',
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16, 0, 0, 0, 0, 0, 1, 0,
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4, 0, 9, 0, 16, 0, 25, 0,
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36, 0, 49, 0, 'p', 'a', 'd', ' ',
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4, 0, 0, 0, 'b', 'l', 'a', 'h'
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};
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if(0 == (f = fopen("wacky1.wav", mode)))
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return false;
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if(fwrite(wav, 1, 84, f) < 84)
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goto foo;
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fclose(f);
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wav[4] += 12;
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if(0 == (f = fopen("wacky2.wav", mode)))
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return false;
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if(fwrite(wav, 1, 96, f) < 96)
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goto foo;
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fclose(f);
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return true;
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foo:
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fclose(f);
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return false;
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}
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int main(int argc, char *argv[])
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{
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FLAC__uint32 test = 1;
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int pattern01[] = { 1, -1, 0 };
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int pattern02[] = { 1, 1, -1, 0 };
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int pattern03[] = { 1, -1, -1, 0 };
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int pattern04[] = { 1, -1, 1, -1, 0 };
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int pattern05[] = { 1, -1, -1, 1, 0 };
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int pattern06[] = { 1, -1, 1, 1, -1, 0 };
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int pattern07[] = { 1, -1, -1, 1, -1, 0 };
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(void)argc;
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(void)argv;
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is_big_endian_host = (*((FLAC__byte*)(&test)))? false : true;
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if(!generate_01()) return 1;
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if(!generate_02()) return 1;
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if(!generate_03()) return 1;
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if(!generate_04()) return 1;
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if(!generate_fsd8("fsd8-01.raw", pattern01, 100)) return 1;
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if(!generate_fsd8("fsd8-02.raw", pattern02, 100)) return 1;
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if(!generate_fsd8("fsd8-03.raw", pattern03, 100)) return 1;
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if(!generate_fsd8("fsd8-04.raw", pattern04, 100)) return 1;
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if(!generate_fsd8("fsd8-05.raw", pattern05, 100)) return 1;
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if(!generate_fsd8("fsd8-06.raw", pattern06, 100)) return 1;
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if(!generate_fsd8("fsd8-07.raw", pattern07, 100)) return 1;
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if(!generate_fsd16("fsd16-01.raw", pattern01, 100)) return 1;
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if(!generate_fsd16("fsd16-02.raw", pattern02, 100)) return 1;
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if(!generate_fsd16("fsd16-03.raw", pattern03, 100)) return 1;
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if(!generate_fsd16("fsd16-04.raw", pattern04, 100)) return 1;
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if(!generate_fsd16("fsd16-05.raw", pattern05, 100)) return 1;
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if(!generate_fsd16("fsd16-06.raw", pattern06, 100)) return 1;
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if(!generate_fsd16("fsd16-07.raw", pattern07, 100)) return 1;
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if(!generate_fsd24("fsd24-01.raw", pattern01, 100)) return 1;
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if(!generate_fsd24("fsd24-02.raw", pattern02, 100)) return 1;
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if(!generate_fsd24("fsd24-03.raw", pattern03, 100)) return 1;
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if(!generate_fsd24("fsd24-04.raw", pattern04, 100)) return 1;
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if(!generate_fsd24("fsd24-05.raw", pattern05, 100)) return 1;
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if(!generate_fsd24("fsd24-06.raw", pattern06, 100)) return 1;
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if(!generate_fsd24("fsd24-07.raw", pattern07, 100)) return 1;
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|
|
|
if(!generate_wbps16("wbps16-01.raw", 1000)) return 1;
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|
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if(!generate_sine16_1("sine16-00.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49)) return 1;
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|
if(!generate_sine16_1("sine16-01.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37)) return 1;
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|
if(!generate_sine16_1("sine16-02.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49)) return 1;
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|
if(!generate_sine16_1("sine16-03.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49)) return 1;
|
|
if(!generate_sine16_1("sine16-04.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29)) return 1;
|
|
|
|
if(!generate_sine16_2("sine16-10.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1;
|
|
if(!generate_sine16_2("sine16-11.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1;
|
|
if(!generate_sine16_2("sine16-12.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1;
|
|
if(!generate_sine16_2("sine16-13.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1;
|
|
if(!generate_sine16_2("sine16-14.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1;
|
|
if(!generate_sine16_2("sine16-15.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1;
|
|
if(!generate_sine16_2("sine16-16.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1;
|
|
if(!generate_sine16_2("sine16-17.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1;
|
|
if(!generate_sine16_2("sine16-18.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1;
|
|
if(!generate_sine16_2("sine16-19.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1;
|
|
|
|
if(!generate_sine24_1("sine24-00.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49)) return 1;
|
|
if(!generate_sine24_1("sine24-01.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37)) return 1;
|
|
if(!generate_sine24_1("sine24-02.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49)) return 1;
|
|
if(!generate_sine24_1("sine24-03.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49)) return 1;
|
|
if(!generate_sine24_1("sine24-04.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29)) return 1;
|
|
|
|
if(!generate_sine24_2("sine24-10.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1;
|
|
if(!generate_sine24_2("sine24-11.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1;
|
|
if(!generate_sine24_2("sine24-12.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1;
|
|
if(!generate_sine24_2("sine24-13.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1;
|
|
if(!generate_sine24_2("sine24-14.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1;
|
|
if(!generate_sine24_2("sine24-15.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1;
|
|
if(!generate_sine24_2("sine24-16.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1;
|
|
if(!generate_sine24_2("sine24-17.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1;
|
|
if(!generate_sine24_2("sine24-18.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1;
|
|
if(!generate_sine24_2("sine24-19.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1;
|
|
|
|
if(!generate_noise("noise.raw", 65536 * 8 * 3)) return 1;
|
|
if(!generate_wackywavs()) return 1;
|
|
|
|
return 0;
|
|
}
|