add some code

This commit is contained in:
2025-09-05 13:25:11 +08:00
parent 9ff0a99e7a
commit 3cf1229a85
8911 changed files with 2535396 additions and 0 deletions

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tests = [
'test_unit_types',
'test_unit_mathops',
'test_unit_entropy',
'test_unit_laplace',
'test_unit_dft',
'test_unit_mdct',
'test_unit_rotation',
'test_unit_cwrs32',
]
foreach test_name : tests
exe = executable(test_name, '@0@.c'.format(test_name),
include_directories : opus_includes,
link_with : [celt_lib, celt_static_libs],
dependencies : libm,
install : false)
test(test_name, exe)
endforeach

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/* Copyright (c) 2008-2011 Xiph.Org Foundation, Mozilla Corporation,
Gregory Maxwell
Written by Jean-Marc Valin, Gregory Maxwell, and Timothy B. Terriberry */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <string.h>
#ifndef CUSTOM_MODES
#define CUSTOM_MODES
#else
#define TEST_CUSTOM_MODES
#endif
#define CELT_C
#include "stack_alloc.h"
#include "entenc.c"
#include "entdec.c"
#include "entcode.c"
#include "cwrs.c"
#include "mathops.c"
#include "rate.h"
#define NMAX (240)
#define KMAX (128)
#ifdef TEST_CUSTOM_MODES
#define NDIMS (44)
static const int pn[NDIMS]={
2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 18, 20, 22,
24, 26, 28, 30, 32, 36, 40, 44, 48,
52, 56, 60, 64, 72, 80, 88, 96, 104,
112, 120, 128, 144, 160, 176, 192, 208
};
static const int pkmax[NDIMS]={
128, 128, 128, 128, 88, 52, 36, 26, 22,
18, 16, 15, 13, 12, 12, 11, 10, 9,
9, 8, 8, 7, 7, 7, 7, 6, 6,
6, 6, 6, 5, 5, 5, 5, 5, 5,
4, 4, 4, 4, 4, 4, 4, 4
};
#else /* TEST_CUSTOM_MODES */
#define NDIMS (22)
static const int pn[NDIMS]={
2, 3, 4, 6, 8, 9, 11, 12, 16,
18, 22, 24, 32, 36, 44, 48, 64, 72,
88, 96, 144, 176
};
static const int pkmax[NDIMS]={
128, 128, 128, 88, 36, 26, 18, 16, 12,
11, 9, 9, 7, 7, 6, 6, 5, 5,
5, 5, 4, 4
};
#endif
int main(void){
int t;
int n;
ALLOC_STACK;
for(t=0;t<NDIMS;t++){
int pseudo;
n=pn[t];
for(pseudo=1;pseudo<41;pseudo++)
{
int k;
#if defined(SMALL_FOOTPRINT)
opus_uint32 uu[KMAX+2U];
#endif
opus_uint32 inc;
opus_uint32 nc;
opus_uint32 i;
k=get_pulses(pseudo);
if (k>pkmax[t])break;
printf("Testing CWRS with N=%i, K=%i...\n",n,k);
#if defined(SMALL_FOOTPRINT)
nc=ncwrs_urow(n,k,uu);
#else
nc=CELT_PVQ_V(n,k);
#endif
inc=nc/20000;
if(inc<1)inc=1;
for(i=0;i<nc;i+=inc){
#if defined(SMALL_FOOTPRINT)
opus_uint32 u[KMAX+2U];
#endif
int y[NMAX];
int sy;
opus_uint32 v;
opus_uint32 ii;
int j;
#if defined(SMALL_FOOTPRINT)
memcpy(u,uu,(k+2U)*sizeof(*u));
cwrsi(n,k,i,y,u);
#else
cwrsi(n,k,i,y);
#endif
sy=0;
for(j=0;j<n;j++)sy+=abs(y[j]);
if(sy!=k){
fprintf(stderr,"N=%d Pulse count mismatch in cwrsi (%d!=%d).\n",
n,sy,k);
return 99;
}
/*printf("%6u of %u:",i,nc);
for(j=0;j<n;j++)printf(" %+3i",y[j]);
printf(" ->");*/
#if defined(SMALL_FOOTPRINT)
ii=icwrs(n,k,&v,y,u);
#else
ii=icwrs(n,y);
v=CELT_PVQ_V(n,k);
#endif
if(ii!=i){
fprintf(stderr,"Combination-index mismatch (%lu!=%lu).\n",
(long)ii,(long)i);
return 1;
}
if(v!=nc){
fprintf(stderr,"Combination count mismatch (%lu!=%lu).\n",
(long)v,(long)nc);
return 2;
}
/*printf(" %6u\n",i);*/
}
/*printf("\n");*/
}
}
RESTORE_STACK;
return 0;
}

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/* Copyright (c) 2008 Xiph.Org Foundation
Written by Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include "stack_alloc.h"
#include "kiss_fft.h"
#include "mathops.h"
#include "modes.h"
#ifndef M_PI
#define M_PI 3.141592653
#endif
int ret = 0;
void check(kiss_fft_cpx * in,kiss_fft_cpx * out,int nfft,int isinverse)
{
int bin,k;
double errpow=0,sigpow=0, snr;
for (bin=0;bin<nfft;++bin) {
double ansr = 0;
double ansi = 0;
double difr;
double difi;
for (k=0;k<nfft;++k) {
double phase = -2*M_PI*bin*k/nfft;
double re = cos(phase);
double im = sin(phase);
if (isinverse)
im = -im;
if (!isinverse)
{
re /= nfft;
im /= nfft;
}
ansr += in[k].r * re - in[k].i * im;
ansi += in[k].r * im + in[k].i * re;
}
/*printf ("%d %d ", (int)ansr, (int)ansi);*/
difr = ansr - out[bin].r;
difi = ansi - out[bin].i;
errpow += difr*difr + difi*difi;
sigpow += ansr*ansr+ansi*ansi;
}
snr = 10*log10(sigpow/errpow);
printf("nfft=%d inverse=%d,snr = %f\n",nfft,isinverse,snr );
if (snr<60) {
printf( "** poor snr: %f ** \n", snr);
ret = 1;
}
}
void test1d(int nfft,int isinverse,int arch)
{
size_t buflen = sizeof(kiss_fft_cpx)*nfft;
kiss_fft_cpx *in;
kiss_fft_cpx *out;
int k;
#ifdef CUSTOM_MODES
kiss_fft_state *cfg = opus_fft_alloc(nfft,0,0,arch);
#else
int id;
const kiss_fft_state *cfg;
CELTMode *mode = opus_custom_mode_create(48000, 960, NULL);
if (nfft == 480) id = 0;
else if (nfft == 240) id = 1;
else if (nfft == 120) id = 2;
else if (nfft == 60) id = 3;
else return;
cfg = mode->mdct.kfft[id];
#endif
in = (kiss_fft_cpx*)malloc(buflen);
out = (kiss_fft_cpx*)malloc(buflen);
for (k=0;k<nfft;++k) {
in[k].r = (rand() % 32767) - 16384;
in[k].i = (rand() % 32767) - 16384;
}
for (k=0;k<nfft;++k) {
in[k].r *= 32768;
in[k].i *= 32768;
}
if (isinverse)
{
for (k=0;k<nfft;++k) {
in[k].r /= nfft;
in[k].i /= nfft;
}
}
/*for (k=0;k<nfft;++k) printf("%d %d ", in[k].r, in[k].i);printf("\n");*/
if (isinverse)
opus_ifft(cfg,in,out, arch);
else
opus_fft(cfg,in,out, arch);
/*for (k=0;k<nfft;++k) printf("%d %d ", out[k].r, out[k].i);printf("\n");*/
check(in,out,nfft,isinverse);
free(in);
free(out);
#ifdef CUSTOM_MODES
opus_fft_free(cfg, arch);
#endif
}
int main(int argc,char ** argv)
{
int arch;
ALLOC_STACK;
arch = opus_select_arch();
if (argc>1) {
int k;
for (k=1;k<argc;++k) {
test1d(atoi(argv[k]),0,arch);
test1d(atoi(argv[k]),1,arch);
}
}else{
test1d(32,0,arch);
test1d(32,1,arch);
test1d(128,0,arch);
test1d(128,1,arch);
test1d(256,0,arch);
test1d(256,1,arch);
#ifndef RADIX_TWO_ONLY
test1d(36,0,arch);
test1d(36,1,arch);
test1d(50,0,arch);
test1d(50,1,arch);
test1d(60,0,arch);
test1d(60,1,arch);
test1d(120,0,arch);
test1d(120,1,arch);
test1d(240,0,arch);
test1d(240,1,arch);
test1d(480,0,arch);
test1d(480,1,arch);
#endif
}
RESTORE_STACK;
return ret;
}

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/* Copyright (c) 2007-2011 Xiph.Org Foundation, Mozilla Corporation,
Gregory Maxwell
Written by Jean-Marc Valin, Gregory Maxwell, and Timothy B. Terriberry */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <time.h>
#define CELT_C
#include "entcode.h"
#include "entenc.h"
#include "entdec.h"
#include <string.h>
#include "entenc.c"
#include "entdec.c"
#include "entcode.c"
#ifndef M_LOG2E
# define M_LOG2E 1.4426950408889634074
#endif
#define DATA_SIZE 10000000
#define DATA_SIZE2 10000
int main(int _argc,char **_argv){
ec_enc enc;
ec_dec dec;
long nbits;
long nbits2;
double entropy;
int ft;
int ftb;
int sz;
int i;
int ret;
unsigned int sym;
unsigned int seed;
unsigned char *ptr;
const char *env_seed;
ret=0;
entropy=0;
if (_argc > 2) {
fprintf(stderr, "Usage: %s [<seed>]\n", _argv[0]);
return 1;
}
env_seed = getenv("SEED");
if (_argc > 1)
seed = atoi(_argv[1]);
else if (env_seed)
seed = atoi(env_seed);
else
seed = time(NULL);
/*Testing encoding of raw bit values.*/
ptr = (unsigned char *)malloc(DATA_SIZE);
ec_enc_init(&enc,ptr, DATA_SIZE);
for(ft=2;ft<1024;ft++){
for(i=0;i<ft;i++){
entropy+=log(ft)*M_LOG2E;
ec_enc_uint(&enc,i,ft);
}
}
/*Testing encoding of raw bit values.*/
for(ftb=1;ftb<16;ftb++){
for(i=0;i<(1<<ftb);i++){
entropy+=ftb;
nbits=ec_tell(&enc);
ec_enc_bits(&enc,i,ftb);
nbits2=ec_tell(&enc);
if(nbits2-nbits!=ftb){
fprintf(stderr,"Used %li bits to encode %i bits directly.\n",
nbits2-nbits,ftb);
ret=-1;
}
}
}
nbits=ec_tell_frac(&enc);
ec_enc_done(&enc);
fprintf(stderr,
"Encoded %0.2f bits of entropy to %0.2f bits (%0.3f%% wasted).\n",
entropy,ldexp(nbits,-3),100*(nbits-ldexp(entropy,3))/nbits);
fprintf(stderr,"Packed to %li bytes.\n",(long)ec_range_bytes(&enc));
ec_dec_init(&dec,ptr,DATA_SIZE);
for(ft=2;ft<1024;ft++){
for(i=0;i<ft;i++){
sym=ec_dec_uint(&dec,ft);
if(sym!=(unsigned)i){
fprintf(stderr,"Decoded %i instead of %i with ft of %i.\n",sym,i,ft);
ret=-1;
}
}
}
for(ftb=1;ftb<16;ftb++){
for(i=0;i<(1<<ftb);i++){
sym=ec_dec_bits(&dec,ftb);
if(sym!=(unsigned)i){
fprintf(stderr,"Decoded %i instead of %i with ftb of %i.\n",sym,i,ftb);
ret=-1;
}
}
}
nbits2=ec_tell_frac(&dec);
if(nbits!=nbits2){
fprintf(stderr,
"Reported number of bits used was %0.2f, should be %0.2f.\n",
ldexp(nbits2,-3),ldexp(nbits,-3));
ret=-1;
}
/*Testing an encoder bust prefers range coder data over raw bits.
This isn't a general guarantee, will only work for data that is buffered in
the encoder state and not yet stored in the user buffer, and should never
get used in practice.
It's mostly here for code coverage completeness.*/
/*Start with a 16-bit buffer.*/
ec_enc_init(&enc,ptr,2);
/*Write 7 raw bits.*/
ec_enc_bits(&enc,0x55,7);
/*Write 12.3 bits of range coder data.*/
ec_enc_uint(&enc,1,2);
ec_enc_uint(&enc,1,3);
ec_enc_uint(&enc,1,4);
ec_enc_uint(&enc,1,5);
ec_enc_uint(&enc,2,6);
ec_enc_uint(&enc,6,7);
ec_enc_done(&enc);
ec_dec_init(&dec,ptr,2);
if(!enc.error
/*The raw bits should have been overwritten by the range coder data.*/
||ec_dec_bits(&dec,7)!=0x05
/*And all the range coder data should have been encoded correctly.*/
||ec_dec_uint(&dec,2)!=1
||ec_dec_uint(&dec,3)!=1
||ec_dec_uint(&dec,4)!=1
||ec_dec_uint(&dec,5)!=1
||ec_dec_uint(&dec,6)!=2
||ec_dec_uint(&dec,7)!=6){
fprintf(stderr,"Encoder bust overwrote range coder data with raw bits.\n");
ret=-1;
}
srand(seed);
fprintf(stderr,"Testing random streams... Random seed: %u (%.4X)\n", seed, rand() % 65536);
for(i=0;i<409600;i++){
unsigned *data;
unsigned *tell;
unsigned tell_bits;
int j;
int zeros;
ft=rand()/((RAND_MAX>>(rand()%11U))+1U)+10;
sz=rand()/((RAND_MAX>>(rand()%9U))+1U);
data=(unsigned *)malloc(sz*sizeof(*data));
tell=(unsigned *)malloc((sz+1)*sizeof(*tell));
ec_enc_init(&enc,ptr,DATA_SIZE2);
zeros = rand()%13==0;
tell[0]=ec_tell_frac(&enc);
for(j=0;j<sz;j++){
if (zeros)
data[j]=0;
else
data[j]=rand()%ft;
ec_enc_uint(&enc,data[j],ft);
tell[j+1]=ec_tell_frac(&enc);
}
if (rand()%2==0)
while(ec_tell(&enc)%8 != 0)
ec_enc_uint(&enc, rand()%2, 2);
tell_bits = ec_tell(&enc);
ec_enc_done(&enc);
if(tell_bits!=(unsigned)ec_tell(&enc)){
fprintf(stderr,"ec_tell() changed after ec_enc_done(): %i instead of %i (Random seed: %u)\n",
ec_tell(&enc),tell_bits,seed);
ret=-1;
}
if ((tell_bits+7)/8 < ec_range_bytes(&enc))
{
fprintf (stderr, "ec_tell() lied, there's %i bytes instead of %d (Random seed: %u)\n",
ec_range_bytes(&enc), (tell_bits+7)/8,seed);
ret=-1;
}
ec_dec_init(&dec,ptr,DATA_SIZE2);
if(ec_tell_frac(&dec)!=tell[0]){
fprintf(stderr,
"Tell mismatch between encoder and decoder at symbol %i: %i instead of %i (Random seed: %u).\n",
0,ec_tell_frac(&dec),tell[0],seed);
}
for(j=0;j<sz;j++){
sym=ec_dec_uint(&dec,ft);
if(sym!=data[j]){
fprintf(stderr,
"Decoded %i instead of %i with ft of %i at position %i of %i (Random seed: %u).\n",
sym,data[j],ft,j,sz,seed);
ret=-1;
}
if(ec_tell_frac(&dec)!=tell[j+1]){
fprintf(stderr,
"Tell mismatch between encoder and decoder at symbol %i: %i instead of %i (Random seed: %u).\n",
j+1,ec_tell_frac(&dec),tell[j+1],seed);
}
}
free(tell);
free(data);
}
/*Test compatibility between multiple different encode/decode routines.*/
for(i=0;i<409600;i++){
unsigned *logp1;
unsigned *data;
unsigned *tell;
unsigned *enc_method;
int j;
sz=rand()/((RAND_MAX>>(rand()%9U))+1U);
logp1=(unsigned *)malloc(sz*sizeof(*logp1));
data=(unsigned *)malloc(sz*sizeof(*data));
tell=(unsigned *)malloc((sz+1)*sizeof(*tell));
enc_method=(unsigned *)malloc(sz*sizeof(*enc_method));
ec_enc_init(&enc,ptr,DATA_SIZE2);
tell[0]=ec_tell_frac(&enc);
for(j=0;j<sz;j++){
data[j]=rand()/((RAND_MAX>>1)+1);
logp1[j]=(rand()%15)+1;
enc_method[j]=rand()/((RAND_MAX>>2)+1);
switch(enc_method[j]){
case 0:{
ec_encode(&enc,data[j]?(1<<logp1[j])-1:0,
(1<<logp1[j])-(data[j]?0:1),1<<logp1[j]);
}break;
case 1:{
ec_encode_bin(&enc,data[j]?(1<<logp1[j])-1:0,
(1<<logp1[j])-(data[j]?0:1),logp1[j]);
}break;
case 2:{
ec_enc_bit_logp(&enc,data[j],logp1[j]);
}break;
case 3:{
unsigned char icdf[2];
icdf[0]=1;
icdf[1]=0;
ec_enc_icdf(&enc,data[j],icdf,logp1[j]);
}break;
}
tell[j+1]=ec_tell_frac(&enc);
}
ec_enc_done(&enc);
if((ec_tell(&enc)+7U)/8U<ec_range_bytes(&enc)){
fprintf(stderr,"tell() lied, there's %i bytes instead of %d (Random seed: %u)\n",
ec_range_bytes(&enc),(ec_tell(&enc)+7)/8,seed);
ret=-1;
}
ec_dec_init(&dec,ptr,DATA_SIZE2);
if(ec_tell_frac(&dec)!=tell[0]){
fprintf(stderr,
"Tell mismatch between encoder and decoder at symbol %i: %i instead of %i (Random seed: %u).\n",
0,ec_tell_frac(&dec),tell[0],seed);
}
for(j=0;j<sz;j++){
int fs;
int dec_method;
dec_method=rand()/((RAND_MAX>>2)+1);
switch(dec_method){
case 0:{
fs=ec_decode(&dec,1<<logp1[j]);
sym=fs>=(1<<logp1[j])-1;
ec_dec_update(&dec,sym?(1<<logp1[j])-1:0,
(1<<logp1[j])-(sym?0:1),1<<logp1[j]);
}break;
case 1:{
fs=ec_decode_bin(&dec,logp1[j]);
sym=fs>=(1<<logp1[j])-1;
ec_dec_update(&dec,sym?(1<<logp1[j])-1:0,
(1<<logp1[j])-(sym?0:1),1<<logp1[j]);
}break;
case 2:{
sym=ec_dec_bit_logp(&dec,logp1[j]);
}break;
case 3:{
unsigned char icdf[2];
icdf[0]=1;
icdf[1]=0;
sym=ec_dec_icdf(&dec,icdf,logp1[j]);
}break;
}
if(sym!=data[j]){
fprintf(stderr,
"Decoded %i instead of %i with logp1 of %i at position %i of %i (Random seed: %u).\n",
sym,data[j],logp1[j],j,sz,seed);
fprintf(stderr,"Encoding method: %i, decoding method: %i\n",
enc_method[j],dec_method);
ret=-1;
}
if(ec_tell_frac(&dec)!=tell[j+1]){
fprintf(stderr,
"Tell mismatch between encoder and decoder at symbol %i: %i instead of %i (Random seed: %u).\n",
j+1,ec_tell_frac(&dec),tell[j+1],seed);
}
}
free(enc_method);
free(tell);
free(data);
free(logp1);
}
ec_enc_init(&enc,ptr,DATA_SIZE2);
ec_enc_bit_logp(&enc,0,1);
ec_enc_bit_logp(&enc,0,1);
ec_enc_bit_logp(&enc,0,1);
ec_enc_bit_logp(&enc,0,1);
ec_enc_bit_logp(&enc,0,2);
ec_enc_patch_initial_bits(&enc,3,2);
if(enc.error){
fprintf(stderr,"patch_initial_bits failed");
ret=-1;
}
ec_enc_patch_initial_bits(&enc,0,5);
if(!enc.error){
fprintf(stderr,"patch_initial_bits didn't fail when it should have");
ret=-1;
}
ec_enc_done(&enc);
if(ec_range_bytes(&enc)!=1||ptr[0]!=192){
fprintf(stderr,"Got %d when expecting 192 for patch_initial_bits",ptr[0]);
ret=-1;
}
ec_enc_init(&enc,ptr,DATA_SIZE2);
ec_enc_bit_logp(&enc,0,1);
ec_enc_bit_logp(&enc,0,1);
ec_enc_bit_logp(&enc,1,6);
ec_enc_bit_logp(&enc,0,2);
ec_enc_patch_initial_bits(&enc,0,2);
if(enc.error){
fprintf(stderr,"patch_initial_bits failed");
ret=-1;
}
ec_enc_done(&enc);
if(ec_range_bytes(&enc)!=2||ptr[0]!=63){
fprintf(stderr,"Got %d when expecting 63 for patch_initial_bits",ptr[0]);
ret=-1;
}
ec_enc_init(&enc,ptr,2);
ec_enc_bit_logp(&enc,0,2);
for(i=0;i<48;i++){
ec_enc_bits(&enc,0,1);
}
ec_enc_done(&enc);
if(!enc.error){
fprintf(stderr,"Raw bits overfill didn't fail when it should have");
ret=-1;
}
ec_enc_init(&enc,ptr,2);
for(i=0;i<17;i++){
ec_enc_bits(&enc,0,1);
}
ec_enc_done(&enc);
if(!enc.error){
fprintf(stderr,"17 raw bits encoded in two bytes");
ret=-1;
}
free(ptr);
return ret;
}

View File

@@ -0,0 +1,94 @@
/* Copyright (c) 2008-2011 Xiph.Org Foundation, Mozilla Corporation
Written by Jean-Marc Valin and Timothy B. Terriberry */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#define CELT_C
#include "laplace.h"
#include "stack_alloc.h"
#include "entenc.c"
#include "entdec.c"
#include "entcode.c"
#include "laplace.c"
#define DATA_SIZE 40000
int ec_laplace_get_start_freq(int decay)
{
opus_uint32 ft = 32768 - LAPLACE_MINP*(2*LAPLACE_NMIN+1);
int fs = (ft*(16384-decay))/(16384+decay);
return fs+LAPLACE_MINP;
}
int main(void)
{
int i;
int ret = 0;
ec_enc enc;
ec_dec dec;
unsigned char *ptr;
int val[10000], decay[10000];
ALLOC_STACK;
ptr = (unsigned char *)malloc(DATA_SIZE);
ec_enc_init(&enc,ptr,DATA_SIZE);
val[0] = 3; decay[0] = 6000;
val[1] = 0; decay[1] = 5800;
val[2] = -1; decay[2] = 5600;
for (i=3;i<10000;i++)
{
val[i] = rand()%15-7;
decay[i] = rand()%11000+5000;
}
for (i=0;i<10000;i++)
ec_laplace_encode(&enc, &val[i],
ec_laplace_get_start_freq(decay[i]), decay[i]);
ec_enc_done(&enc);
ec_dec_init(&dec,ec_get_buffer(&enc),ec_range_bytes(&enc));
for (i=0;i<10000;i++)
{
int d = ec_laplace_decode(&dec,
ec_laplace_get_start_freq(decay[i]), decay[i]);
if (d != val[i])
{
fprintf (stderr, "Got %d instead of %d\n", d, val[i]);
ret = 1;
}
}
free(ptr);
RESTORE_STACK;
return ret;
}

View File

@@ -0,0 +1,539 @@
/* Copyright (c) 2008-2011 Xiph.Org Foundation, Mozilla Corporation,
Gregory Maxwell
Copyright (c) 2024 Arm Limited
Written by Jean-Marc Valin, Gregory Maxwell, Timothy B. Terriberry,
and Yunho Huh */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef CUSTOM_MODES
#define CUSTOM_MODES
#endif
#include <stdio.h>
#include <math.h>
#include "bands.h"
#include "cpu_support.h"
#include "float_cast.h"
#include "mathops.h"
#ifdef FIXED_POINT
#define WORD "%d"
#define FIX_INT_TO_DOUBLE(x,q) ((double)(x) / (double)(1L << q))
#define DOUBLE_TO_FIX_INT(x,q) (((double)x * (double)(1L << q)))
#else
#define WORD "%f"
#endif
int ret = 0;
void testdiv(void)
{
opus_int32 i;
for (i=1;i<=327670;i++)
{
double prod;
opus_val32 val;
val = celt_rcp(i);
#ifdef FIXED_POINT
prod = (1./32768./65526.)*val*i;
#else
prod = val*i;
#endif
if (fabs(prod-1) > .00025)
{
fprintf (stderr, "div failed: 1/%d="WORD" (product = %f)\n", i, val, prod);
ret = 1;
}
}
}
void testsqrt(void)
{
opus_int32 i;
for (i=1;i<=1000000000;i++)
{
double ratio;
opus_val16 val;
val = celt_sqrt(i);
ratio = val/sqrt(i);
if (fabs(ratio - 1) > .0005 && fabs(val-sqrt(i)) > 2)
{
fprintf (stderr, "sqrt failed: sqrt(%d)="WORD" (ratio = %f)\n", i, val, ratio);
ret = 1;
}
i+= i>>10;
}
}
void testbitexactcos(void)
{
int i;
opus_int32 min_d,max_d,last,chk;
chk=max_d=0;
last=min_d=32767;
for(i=64;i<=16320;i++)
{
opus_int32 d;
opus_int32 q=bitexact_cos(i);
chk ^= q*i;
d = last - q;
if (d>max_d)max_d=d;
if (d<min_d)min_d=d;
last = q;
}
if ((chk!=89408644)||(max_d!=5)||(min_d!=0)||(bitexact_cos(64)!=32767)||
(bitexact_cos(16320)!=200)||(bitexact_cos(8192)!=23171))
{
fprintf (stderr, "bitexact_cos failed\n");
ret = 1;
}
}
void testbitexactlog2tan(void)
{
int i,fail;
opus_int32 min_d,max_d,last,chk;
fail=chk=max_d=0;
last=min_d=15059;
for(i=64;i<8193;i++)
{
opus_int32 d;
opus_int32 mid=bitexact_cos(i);
opus_int32 side=bitexact_cos(16384-i);
opus_int32 q=bitexact_log2tan(mid,side);
chk ^= q*i;
d = last - q;
if (q!=-1*bitexact_log2tan(side,mid))
fail = 1;
if (d>max_d)max_d=d;
if (d<min_d)min_d=d;
last = q;
}
if ((chk!=15821257)||(max_d!=61)||(min_d!=-2)||fail||
(bitexact_log2tan(32767,200)!=15059)||(bitexact_log2tan(30274,12540)!=2611)||
(bitexact_log2tan(23171,23171)!=0))
{
fprintf (stderr, "bitexact_log2tan failed\n");
ret = 1;
}
}
#ifndef FIXED_POINT
void testlog2(void)
{
float x;
float error_threshold = 2.2e-06;
float max_error = 0;
for (x=0.001f;x<1677700.0;x+=(x/8.0))
{
float error = fabs((1.442695040888963387*log(x))-celt_log2(x));
if (max_error < error)
{
max_error = error;
}
if (error > error_threshold)
{
fprintf (stderr,
"celt_log2 failed: "
"fabs((1.442695040888963387*log(x))-celt_log2(x))>%15.25e "
"(x = %f, error = %15.25e)\n", error_threshold, x, error);
ret = 1;
}
}
fprintf (stdout, "celt_log2 max_error: %15.25e\n", max_error);
}
void testexp2(void)
{
float x;
float error_threshold = 2.3e-07;
float max_error = 0;
for (x=-11.0;x<24.0;x+=0.0007f)
{
float error = fabs(x-(1.442695040888963387*log(celt_exp2(x))));
if (max_error < error)
{
max_error = error;
}
if (error > error_threshold)
{
fprintf (stderr,
"celt_exp2 failed: "
"fabs(x-(1.442695040888963387*log(celt_exp2(x))))>%15.25e "
"(x = %f, error = %15.25e)\n", error_threshold, x, error);
ret = 1;
}
}
fprintf (stdout, "celt_exp2 max_error: %15.25e\n", max_error);
}
void testexp2log2(void)
{
float x;
float error_threshold = 2.0e-06;
float max_error = 0;
for (x=-11.0;x<24.0;x+=0.0007f)
{
float error = fabs(x-(celt_log2(celt_exp2(x))));
if (max_error < error)
{
max_error = error;
}
if (error > error_threshold)
{
fprintf (stderr,
"celt_log2/celt_exp2 failed: "
"fabs(x-(celt_log2(celt_exp2(x))))>%15.25e "
"(x = %f, error = %15.25e)\n", error_threshold, x, error);
ret = 1;
}
}
fprintf (stdout, "celt_exp2, celt_log2 max_error: %15.25e\n", max_error);
}
#else
void testlog2_db(void)
{
#if defined(ENABLE_QEXT)
/* celt_log2_db test */
float error = -1;
float max_error = -2;
float error_threshold = 2.e-07;
opus_int32 x = 0;
int q_input = 14;
for (x = 8; x < 1073741824; x += (x >> 3))
{
error = fabs((1.442695040888963387*log(FIX_INT_TO_DOUBLE(x, q_input))) -
FIX_INT_TO_DOUBLE(celt_log2_db(x), DB_SHIFT));
if (error > max_error)
{
max_error = error;
}
if (error > error_threshold)
{
fprintf(stderr, "celt_log2_db failed: error: [%.5e > %.5e] (x = %f)\n",
error, error_threshold, FIX_INT_TO_DOUBLE(x, DB_SHIFT));
ret = 1;
}
}
fprintf(stdout, "celt_log2_db max_error: %.7e\n", max_error);
#endif /* defined(ENABLE_QEXT) */
}
void testlog2(void)
{
opus_val32 x;
for (x=8;x<1073741824;x+=(x>>3))
{
float error = fabs((1.442695040888963387*log(x/16384.0))-celt_log2(x)/1024.0);
if (error>0.003)
{
fprintf (stderr, "celt_log2 failed: x = %ld, error = %f\n", (long)x,error);
ret = 1;
}
}
}
void testexp2(void)
{
opus_val16 x;
for (x=-32768;x<15360;x++)
{
float error1 = fabs(x/1024.0-(1.442695040888963387*log(celt_exp2(x)/65536.0)));
float error2 = fabs(exp(0.6931471805599453094*x/1024.0)-celt_exp2(x)/65536.0);
if (error1>0.0002&&error2>0.00004)
{
fprintf (stderr, "celt_exp2 failed: x = "WORD", error1 = %f, error2 = %f\n", x,error1,error2);
ret = 1;
}
}
}
void testexp2_db(void)
{
#if defined(ENABLE_QEXT)
float absolute_error = -1;
float absolute_error_threshold = FIX_INT_TO_DOUBLE(2, 16);
float relative_error_threshold = -2;
float fx;
float quantized_fx;
opus_val32 x_32;
for (fx = -32.0; fx < 15.0; fx += 0.0007)
{
double ground_truth;
x_32 = DOUBLE_TO_FIX_INT(fx, DB_SHIFT);
quantized_fx = FIX_INT_TO_DOUBLE(x_32, DB_SHIFT);
ground_truth = (exp(0.6931471805599453094 * quantized_fx));
absolute_error = fabs(ground_truth -
FIX_INT_TO_DOUBLE(celt_exp2_db(x_32), 16));
relative_error_threshold = 1.24e-7 * ground_truth;
if (absolute_error > absolute_error_threshold &&
absolute_error > relative_error_threshold)
{
fprintf(stderr,
"celt_exp2_db failed: "
"absolute_error: [%.5e > %.5e] "
"relative_error: [%.5e > %.5e] (x = %f)\n",
absolute_error, absolute_error_threshold,
absolute_error, relative_error_threshold, quantized_fx);
ret = 1;
}
}
#endif /* defined(ENABLE_QEXT) */
}
void testexp2log2(void)
{
opus_val32 x;
for (x=8;x<65536;x+=(x>>3))
{
float error = fabs(x-0.25*celt_exp2(celt_log2(x)))/16384;
if (error>0.004)
{
fprintf (stderr, "celt_log2/celt_exp2 failed: fabs(x-(celt_exp2(celt_log2(x))))>0.001 (x = %ld, error = %f)\n", (long)x,error);
ret = 1;
}
}
}
void testilog2(void)
{
opus_val32 x;
for (x=1;x<=268435455;x+=127)
{
opus_val32 lg;
opus_val32 y;
lg = celt_ilog2(x);
if (lg<0 || lg>=31)
{
printf("celt_ilog2 failed: 0<=celt_ilog2(x)<31 (x = %d, celt_ilog2(x) = %d)\n",x,lg);
ret = 1;
}
y = 1<<lg;
if (x<y || (x>>1)>=y)
{
printf("celt_ilog2 failed: 2**celt_ilog2(x)<=x<2**(celt_ilog2(x)+1) (x = %d, 2**celt_ilog2(x) = %d)\n",x,y);
ret = 1;
}
}
}
#endif
#ifndef DISABLE_FLOAT_API
void testcelt_float2int16(int use_ref_impl, int buffer_size)
{
#define MAX_BUFFER_SIZE 2080
int i, cnt;
float floatsToConvert[MAX_BUFFER_SIZE];
short results[MAX_BUFFER_SIZE] = { 0 };
float scaleInt16RangeTo01;
celt_assert(buffer_size <= MAX_BUFFER_SIZE);
scaleInt16RangeTo01 = 1.f / 32768.f;
cnt = 0;
while (cnt + 15 < buffer_size && cnt < buffer_size / 2)
{
floatsToConvert[cnt++] = 77777.0f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = 33000.0f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = 32768.0f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = 32767.4f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = 32766.6f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = .501 * scaleInt16RangeTo01;
floatsToConvert[cnt++] = .499f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = .0f;
floatsToConvert[cnt++] = -.499f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = -.501f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = -32767.6f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = -32768.4f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = -32769.0f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = -33000.0f * scaleInt16RangeTo01;
floatsToConvert[cnt++] = -77777.0f * scaleInt16RangeTo01;
celt_assert(cnt < buffer_size);
}
while (cnt < buffer_size)
{
float inInt16Range = cnt * 7 + .5;
inInt16Range += (cnt & 0x01) ? .1 : -.1;
inInt16Range *= (cnt & 0x02) ? 1 : -1;
floatsToConvert[cnt++] = inInt16Range * scaleInt16RangeTo01;
}
for (i = 0; i < MAX_BUFFER_SIZE; ++i)
{
results[i] = 42;
}
if (use_ref_impl)
{
celt_float2int16_c(floatsToConvert, results, cnt);
} else {
celt_float2int16(floatsToConvert, results, cnt, opus_select_arch());
}
for (i = 0; i < cnt; ++i)
{
const float expected = FLOAT2INT16(floatsToConvert[i]);
if (results[i] != expected)
{
fprintf (stderr, "testcelt_float2int16 failed: celt_float2int16 converted %f (index: %d) to %d (x*32768=%f, expected: %d, cnt: %d, ref: %d)\n",
floatsToConvert[i], i, (int)results[i], floatsToConvert[i] * 32768.0f, (int)expected, buffer_size, use_ref_impl);
ret = 1;
}
}
for (i = cnt; i < MAX_BUFFER_SIZE; ++i)
{
if (results[i] != 42)
{
fprintf (stderr, "testcelt_float2int16 failed: buffer overflow (cnt: %d, ref: %d)\n", buffer_size, use_ref_impl);
ret = 1;
break;
}
}
#undef MAX_BUFFER_SIZE
}
void testopus_limit2_checkwithin1(int use_ref_impl)
{
#define BUFFER_SIZE 37 /* strange float count to trigger residue loop of SIMD implementation */
#define BYTE_COUNT (BUFFER_SIZE * sizeof(float))
int i, within1;
const int arch = opus_select_arch();
float pattern[BUFFER_SIZE], buffer[BUFFER_SIZE];
for (i = 0; i < BUFFER_SIZE; ++i)
{
pattern[i] = i % 2 ? -1.f : 1.f;
}
/* All values within -1..1:
Nothing changed. Return value is implementation-dependent (not expected to recognise nothing exceeds -1..1) */
memcpy(buffer, pattern, BYTE_COUNT);
within1 = use_ref_impl ? opus_limit2_checkwithin1_c(buffer, BUFFER_SIZE) : opus_limit2_checkwithin1(buffer, BUFFER_SIZE, arch);
if (memcmp(buffer, pattern, BYTE_COUNT) != 0)
{
fprintf (stderr, "opus_limit2_checkwithin1() modified values not exceeding -1..1 (ref=%d)\n", use_ref_impl);
ret = 1;
}
/* One value exceeds -1..1, within -2..2:
Values unchanged. Return value says not all values are within -1..1 */
for (i = 0; i < BUFFER_SIZE; ++i)
{
const float replace_value = pattern[i] * 1.001f;
memcpy(buffer, pattern, BYTE_COUNT);
buffer[i] = replace_value;
within1 = use_ref_impl ? opus_limit2_checkwithin1_c(buffer, BUFFER_SIZE) : opus_limit2_checkwithin1(buffer, BUFFER_SIZE, arch);
if (within1 || buffer[i] != replace_value)
{
fprintf (stderr, "opus_limit2_checkwithin1() handled value exceeding -1..1 erroneously (ref=%d, i=%d)\n", use_ref_impl, i);
ret = 1;
}
buffer[i] = pattern[i];
if (memcmp(buffer, pattern, BYTE_COUNT) != 0)
{
fprintf (stderr, "opus_limit2_checkwithin1() modified value within -2..2 (ref=%d, i=%d)\n", use_ref_impl, i);
ret = 1;
}
}
/* One value exceeds -2..2:
One value is hardclipped, others are unchanged. Return value says not all values are within -1..1 */
for (i = 0; i < BUFFER_SIZE; ++i)
{
const float replace_value = pattern[i] * 2.1;
memcpy(buffer, pattern, BYTE_COUNT);
buffer[i] = replace_value;
within1 = use_ref_impl ? opus_limit2_checkwithin1_c(buffer, BUFFER_SIZE) : opus_limit2_checkwithin1(buffer, BUFFER_SIZE, arch);
if (within1 || buffer[i] != (replace_value > 0.f ? 2.f : -2.f))
{
fprintf (stderr, "opus_limit2_checkwithin1() handled value exceeding -2..2 erroneously (ref=%d, i=%d)\n", use_ref_impl, i);
ret = 1;
}
buffer[i] = pattern[i];
if (memcmp(buffer, pattern, BYTE_COUNT) != 0)
{
fprintf (stderr, "opus_limit2_checkwithin1() modified value within -2..2 (ref=%d, i=%d)\n", use_ref_impl, i);
ret = 1;
}
}
#undef BUFFER_SIZE
#undef BYTE_COUNT
}
#endif
int main(void)
{
int i;
int use_ref_impl[2] = { 0, 1 };
testbitexactcos();
testbitexactlog2tan();
testdiv();
testsqrt();
testlog2();
testexp2();
testexp2log2();
#ifdef FIXED_POINT
testilog2();
testlog2_db();
testexp2_db();
#endif
#ifndef DISABLE_FLOAT_API
for (i = 0; i <= 1; ++i)
{
testcelt_float2int16(use_ref_impl[i], 1);
testcelt_float2int16(use_ref_impl[i], 32);
testcelt_float2int16(use_ref_impl[i], 127);
testcelt_float2int16(use_ref_impl[i], 1031);
testopus_limit2_checkwithin1(use_ref_impl[i]);
}
#endif
return ret;
}

View File

@@ -0,0 +1,233 @@
/* Copyright (c) 2008-2011 Xiph.Org Foundation
Written by Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include "mdct.h"
#include "stack_alloc.h"
#include "kiss_fft.h"
#include "mdct.h"
#include "modes.h"
#ifndef M_PI
#define M_PI 3.141592653
#endif
int ret = 0;
void check(kiss_fft_scalar * in,kiss_fft_scalar * out,int nfft,int isinverse)
{
int bin,k;
double errpow=0,sigpow=0;
double snr;
for (bin=0;bin<nfft/2;++bin) {
double ansr = 0;
double difr;
for (k=0;k<nfft;++k) {
double phase = 2*M_PI*(k+.5+.25*nfft)*(bin+.5)/nfft;
double re = cos(phase);
re /= nfft/4;
ansr += in[k] * re;
}
/*printf ("%f %f\n", ansr, out[bin]);*/
difr = ansr - out[bin];
errpow += difr*difr;
sigpow += ansr*ansr;
}
snr = 10*log10(sigpow/errpow);
printf("nfft=%d inverse=%d,snr = %f\n",nfft,isinverse,snr );
if (snr<60) {
printf( "** poor snr: %f **\n", snr);
ret = 1;
}
}
void check_inv(kiss_fft_scalar * in,kiss_fft_scalar * out,int nfft,int isinverse)
{
int bin,k;
double errpow=0,sigpow=0;
double snr;
for (bin=0;bin<nfft;++bin) {
double ansr = 0;
double difr;
for (k=0;k<nfft/2;++k) {
double phase = 2*M_PI*(bin+.5+.25*nfft)*(k+.5)/nfft;
double re = cos(phase);
/*re *= 2;*/
ansr += in[k] * re;
}
/*printf ("%f %f\n", ansr, out[bin]);*/
difr = ansr - out[bin];
errpow += difr*difr;
sigpow += ansr*ansr;
}
snr = 10*log10(sigpow/errpow);
printf("nfft=%d inverse=%d,snr = %f\n",nfft,isinverse,snr );
if (snr<60) {
printf( "** poor snr: %f **\n", snr);
ret = 1;
}
}
void test1d(int nfft,int isinverse,int arch)
{
size_t buflen = sizeof(kiss_fft_scalar)*nfft;
kiss_fft_scalar *in;
kiss_fft_scalar *in_copy;
kiss_fft_scalar *out;
celt_coef *window;
int k;
#ifdef CUSTOM_MODES
int shift = 0;
const mdct_lookup *cfg;
mdct_lookup _cfg;
clt_mdct_init(&_cfg, nfft, 0, arch);
cfg = &_cfg;
#else
int shift;
const mdct_lookup *cfg;
CELTMode *mode = opus_custom_mode_create(48000, 960, NULL);
if (nfft == 1920) shift = 0;
else if (nfft == 960) shift = 1;
else if (nfft == 480) shift = 2;
else if (nfft == 240) shift = 3;
else return;
cfg = &mode->mdct;
#endif
in = (kiss_fft_scalar*)malloc(buflen);
in_copy = (kiss_fft_scalar*)malloc(buflen);
out = (kiss_fft_scalar*)malloc(buflen);
window = (celt_coef*)malloc(sizeof(*window)*nfft/2);
for (k=0;k<nfft;++k) {
in[k] = (rand() % 32768) - 16384;
}
for (k=0;k<nfft/2;++k) {
#ifdef ENABLE_QEXT
window[k] = Q31ONE;
#else
window[k] = Q15ONE;
#endif
}
for (k=0;k<nfft;++k) {
in[k] *= 32768;
}
if (isinverse)
{
for (k=0;k<nfft;++k) {
in[k] /= nfft;
}
}
for (k=0;k<nfft;++k)
in_copy[k] = in[k];
/*for (k=0;k<nfft;++k) printf("%d %d ", in[k].r, in[k].i);printf("\n");*/
if (isinverse)
{
for (k=0;k<nfft;++k)
out[k] = 0;
clt_mdct_backward(cfg,in,out, window, nfft/2, shift, 1, arch);
/* apply TDAC because clt_mdct_backward() no longer does that */
for (k=0;k<nfft/4;++k)
out[nfft-k-1] = out[nfft/2+k];
check_inv(in,out,nfft,isinverse);
} else {
clt_mdct_forward(cfg,in,out,window, nfft/2, shift, 1, arch);
check(in_copy,out,nfft,isinverse);
}
/*for (k=0;k<nfft;++k) printf("%d %d ", out[k].r, out[k].i);printf("\n");*/
free(in);
free(in_copy);
free(out);
free(window);
#ifdef CUSTOM_MODES
clt_mdct_clear(&_cfg, arch);
#endif
}
int main(int argc,char ** argv)
{
int arch;
ALLOC_STACK;
arch = opus_select_arch();
if (argc>1) {
int k;
for (k=1;k<argc;++k) {
test1d(atoi(argv[k]),0,arch);
test1d(atoi(argv[k]),1,arch);
}
}else{
test1d(32,0,arch);
test1d(32,1,arch);
test1d(256,0,arch);
test1d(256,1,arch);
test1d(512,0,arch);
test1d(512,1,arch);
test1d(1024,0,arch);
test1d(1024,1,arch);
test1d(2048,0,arch);
test1d(2048,1,arch);
#ifndef RADIX_TWO_ONLY
test1d(36,0,arch);
test1d(36,1,arch);
test1d(40,0,arch);
test1d(40,1,arch);
test1d(60,0,arch);
test1d(60,1,arch);
test1d(120,0,arch);
test1d(120,1,arch);
test1d(240,0,arch);
test1d(240,1,arch);
test1d(480,0,arch);
test1d(480,1,arch);
test1d(960,0,arch);
test1d(960,1,arch);
test1d(1920,0,arch);
test1d(1920,1,arch);
#endif
}
RESTORE_STACK;
return ret;
}

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@@ -0,0 +1,87 @@
/* Copyright (c) 2008-2011 Xiph.Org Foundation
Written by Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef CUSTOM_MODES
#define CUSTOM_MODES
#endif
#include <stdio.h>
#include <stdlib.h>
#include "vq.h"
#include "bands.h"
#include "stack_alloc.h"
#include <math.h>
#define MAX_SIZE 100
int ret=0;
void test_rotation(int N, int K)
{
int i;
double err = 0, ener = 0, snr, snr0;
opus_val16 x0[MAX_SIZE];
opus_val16 x1[MAX_SIZE];
for (i=0;i<N;i++)
x1[i] = x0[i] = rand()%32767-16384;
exp_rotation(x1, N, 1, 1, K, SPREAD_NORMAL);
for (i=0;i<N;i++)
{
err += (x0[i]-(double)x1[i])*(x0[i]-(double)x1[i]);
ener += x0[i]*(double)x0[i];
}
snr0 = 20*log10(ener/err);
err = ener = 0;
exp_rotation(x1, N, -1, 1, K, SPREAD_NORMAL);
for (i=0;i<N;i++)
{
err += (x0[i]-(double)x1[i])*(x0[i]-(double)x1[i]);
ener += x0[i]*(double)x0[i];
}
snr = 20*log10(ener/err);
printf ("SNR for size %d (%d pulses) is %f (was %f without inverse)\n", N, K, snr, snr0);
if (snr < 60 || snr0 > 20)
{
fprintf(stderr, "FAIL!\n");
ret = 1;
}
}
int main(void)
{
ALLOC_STACK;
test_rotation(15, 3);
test_rotation(23, 5);
test_rotation(50, 3);
test_rotation(80, 1);
RESTORE_STACK;
return ret;
}

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@@ -0,0 +1,50 @@
/* Copyright (c) 2008-2011 Xiph.Org Foundation
Written by Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "opus_types.h"
#include <stdio.h>
int main(void)
{
opus_int16 i = 1;
i <<= 14;
if (i>>14 != 1)
{
fprintf(stderr, "opus_int16 isn't 16 bits\n");
return 1;
}
if (sizeof(opus_int16)*2 != sizeof(opus_int32))
{
fprintf(stderr, "16*2 != 32\n");
return 1;
}
return 0;
}