ref: a44e95abd0b6892401f1525cf1cd5590f93277de
dir: /tests/test_opus_decode.c/
/* Copyright (c) 2011 Xiph.Org Foundation
Written by Gregory Maxwell */
/*
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 FOUNDATION 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>
#include <limits.h>
#include <stdint.h>
#include <math.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "opus.h"
#include "test_opus_common.h"
#define MAX_PACKET (1500)
#define MAX_FRAME_SAMP (5760)
extern int jackpot;
int test_decoder_code0(void)
{
static const opus_int32 fsv[5]={48000,24000,16000,12000,8000};
int err,skip,plen;
int out_samples,fec;
int t;
opus_int32 i;
OpusDecoder *dec[5*2];
opus_int32 decsize;
OpusDecoder *decbak;
opus_uint32 dec_final_range1,dec_final_range2,dec_final_acc;
unsigned char *packet;
unsigned char modes[4096];
short *outbuf_int;
short *outbuf;
dec_final_range1=dec_final_range2=2;
packet=malloc(sizeof(unsigned char)*MAX_PACKET);
if(packet==NULL)test_failed();
outbuf_int=malloc(sizeof(short)*(MAX_FRAME_SAMP+16)*2);
for(i=0;i<(MAX_FRAME_SAMP+16)*2;i++)outbuf_int[i]=32749;
outbuf=&outbuf_int[8*2];
fprintf(stdout," Starting %d decoders...\n",5*2);
for(t=0;t<5*2;t++)
{
int fs=fsv[t>>1];
int c=(t&1)+1;
err=OPUS_INTERNAL_ERROR;
dec[t] = opus_decoder_create(fs, c, &err);
if(err!=OPUS_OK || dec[t]==NULL)test_failed();
fprintf(stdout," opus_decoder_create(%5d,%d) OK. Copy ",fs,c);
{
OpusDecoder *dec2;
/*The opus state structures contain no pointers and can be freely copied*/
dec2=(OpusDecoder *)malloc(opus_decoder_get_size(c));
if(dec2==NULL)test_failed();
memcpy(dec2,dec[t],opus_decoder_get_size(c));
memset(dec[t],255,opus_decoder_get_size(c));
opus_decoder_destroy(dec[t]);
printf("OK.\n");
dec[t]=dec2;
}
}
decsize=opus_decoder_get_size(2);
decbak=(OpusDecoder *)malloc(decsize);
if(decbak==NULL)test_failed();
for(t=0;t<5*2;t++)
{
int factor=48000/fsv[t>>1];
for(fec=0;fec<2;fec++)
{
/*Test PLC on a fresh decoder*/
out_samples = opus_decode(dec[t], 0, 0, outbuf, MAX_FRAME_SAMP, fec);
if(out_samples!=120/factor)test_failed();
/*Test null pointer input*/
out_samples = opus_decode(dec[t], 0, -1, outbuf, MAX_FRAME_SAMP, fec);
if(out_samples!=120/factor)test_failed();
out_samples = opus_decode(dec[t], 0, 1, outbuf, MAX_FRAME_SAMP, fec);
if(out_samples!=120/factor)test_failed();
out_samples = opus_decode(dec[t], 0, 10, outbuf, MAX_FRAME_SAMP, fec);
if(out_samples!=120/factor)test_failed();
out_samples = opus_decode(dec[t], 0, fast_rand(), outbuf, MAX_FRAME_SAMP, fec);
if(out_samples!=120/factor)test_failed();
/*Zero lengths*/
out_samples = opus_decode(dec[t], packet, 0, outbuf, MAX_FRAME_SAMP, fec);
if(out_samples!=120/factor)test_failed();
/*Zero buffer*/
outbuf[0]=32749;
out_samples = opus_decode(dec[t], packet, 0, outbuf, 0, fec);
if(out_samples>0)test_failed();
out_samples = opus_decode(dec[t], packet, 0, 0, 0, fec);
if(out_samples>0)test_failed();
if(outbuf[0]!=32749)test_failed();
/*Invalid lengths*/
out_samples = opus_decode(dec[t], packet, -1, outbuf, MAX_FRAME_SAMP, fec);
if(out_samples>=0)test_failed();
out_samples = opus_decode(dec[t], packet, INT_MIN, outbuf, MAX_FRAME_SAMP, fec);
if(out_samples>=0)test_failed();
out_samples = opus_decode(dec[t], packet, -1, outbuf, -1, fec);
if(out_samples>=0)test_failed();
/*Crazy FEC values*/
out_samples = opus_decode(dec[t], packet, 1, outbuf, MAX_FRAME_SAMP, fec?-1:2);
if(out_samples>=0)test_failed();
/*Reset the decoder*/
if(opus_decoder_ctl(dec[t], OPUS_RESET_STATE)!=OPUS_OK)test_failed();
}
}
fprintf(stdout," dec[all] initial frame PLC OK.\n");
/*Count code 0 tests*/
for(i=0;i<64;i++)
{
int j,expected[5*2];
packet[0]=i<<2;
packet[1]=255;
packet[2]=255;
err=opus_packet_get_nb_channels(packet);
if(err!=(i&1)+1)test_failed();
for(t=0;t<5*2;t++){
expected[t]=opus_decoder_get_nb_samples(dec[t],packet,1);
if(expected[t]>2880)test_failed();
}
for(j=0;j<256;j++)
{
packet[1]=j;
for(t=0;t<5*2;t++)
{
out_samples = opus_decode(dec[t], packet, 3, outbuf, MAX_FRAME_SAMP, 0);
if(out_samples!=expected[t])test_failed();
opus_decoder_ctl(dec[t], OPUS_GET_FINAL_RANGE(&dec_final_range1));
if(t==0)dec_final_range2=dec_final_range1;
else if(dec_final_range1!=dec_final_range2)test_failed();
}
}
for(t=0;t<5*2;t++){
int factor=48000/fsv[t>>1];
/* The PLC is run for 6 frames in order to get better PLC coverage. */
for(j=0;j<6;j++)
{
out_samples = opus_decode(dec[t], 0, 0, outbuf, MAX_FRAME_SAMP, 0);
if(out_samples!=expected[t])test_failed();
}
/* Run the PLC once at 2.5ms, as a simulation of someone trying to
do small drift corrections. */
if(expected[t]!=120/factor)
{
out_samples = opus_decode(dec[t], 0, 0, outbuf, 120/factor, 0);
if(out_samples!=120/factor)test_failed();
}
out_samples = opus_decode(dec[t], packet, 2, outbuf, expected[t]-1, 0);
if(out_samples>0)test_failed();
}
}
fprintf(stdout," dec[all] all 2-byte prefix for length 3 and PLC, all modes (64) OK.\n");
{
/*We only test a subset of the modes here simply because the longer
durations end up taking a long time.*/
static const int cmodes[4]={16,20,24,28};
static const opus_uint32 cres[4]={116290185,2172123586,2172123586,2172123586};
static const opus_uint32 lres[3]={3285687739,1481572662,694350475};
static const int lmodes[3]={0,4,8};
int mode=fast_rand()%4;
packet[0]=cmodes[mode]<<3;
dec_final_acc=0;
t=fast_rand()%10;
for(i=0;i<65536;i++)
{
int factor=48000/fsv[t>>1];
packet[1]=i>>8;
packet[2]=i&255;
packet[3]=255;
out_samples = opus_decode(dec[t], packet, 4, outbuf, MAX_FRAME_SAMP, 0);
if(out_samples!=120/factor)test_failed();
opus_decoder_ctl(dec[t], OPUS_GET_FINAL_RANGE(&dec_final_range1));
dec_final_acc+=dec_final_range1;
}
if(dec_final_acc!=cres[mode])test_failed();
fprintf(stdout," dec[%3d] all 3-byte prefix for length 4, mode %2d OK.\n",t,cmodes[mode]);
mode=fast_rand()%3;
packet[0]=lmodes[mode]<<3;
dec_final_acc=0;
t=fast_rand()%10;
for(i=0;i<65536;i++)
{
int factor=48000/fsv[t>>1];
packet[1]=i>>8;
packet[2]=i&255;
packet[3]=255;
out_samples = opus_decode(dec[t], packet, 4, outbuf, MAX_FRAME_SAMP, 0);
if(out_samples!=480/factor)test_failed();
opus_decoder_ctl(dec[t], OPUS_GET_FINAL_RANGE(&dec_final_range1));
dec_final_acc+=dec_final_range1;
}
if(dec_final_acc!=lres[mode])test_failed();
fprintf(stdout," dec[%3d] all 3-byte prefix for length 4, mode %2d OK.\n",t,lmodes[mode]);
}
skip=fast_rand()%7;
for(i=0;i<64;i++)
{
int j,expected[5*2];
packet[0]=i<<2;
for(t=0;t<5*2;t++)expected[t]=opus_decoder_get_nb_samples(dec[t],packet,1);
for(j=2+skip;j<1275;j+=4)
{
int jj;
for(jj=0;jj<j;jj++)packet[jj+1]=fast_rand()&255;
for(t=0;t<5*2;t++)
{
out_samples = opus_decode(dec[t], packet, j+1, outbuf, MAX_FRAME_SAMP, 0);
if(out_samples!=expected[t])test_failed();
opus_decoder_ctl(dec[t], OPUS_GET_FINAL_RANGE(&dec_final_range1));
if(t==0)dec_final_range2=dec_final_range1;
else if(dec_final_range1!=dec_final_range2)test_failed();
}
}
}
fprintf(stdout," dec[all] random packets, all modes (64), every 8th size from from %d bytes to maximum OK.\n",2+skip);
debruijn2(64,modes);
plen=(fast_rand()%18+3)*8+skip+3;
for(i=0;i<4096;i++)
{
int j,expected[5*2];
packet[0]=modes[i]<<2;
for(t=0;t<5*2;t++)expected[t]=opus_decoder_get_nb_samples(dec[t],packet,plen);
for(j=0;j<plen;j++)packet[j+1]=(fast_rand()|fast_rand())&255;
memcpy(decbak,dec[0],decsize);
if(opus_decode(decbak, packet, plen+1, outbuf, MAX_FRAME_SAMP, 1)!=expected[0])test_failed();
memcpy(decbak,dec[0],decsize);
if(opus_decode(decbak, 0, 0, outbuf, MAX_FRAME_SAMP, 1)<20)test_failed();
memcpy(decbak,dec[0],decsize);
if(opus_decode(decbak, 0, 0, outbuf, MAX_FRAME_SAMP, 0)<20)test_failed();
for(t=0;t<5*2;t++)
{
out_samples = opus_decode(dec[t], packet, plen+1, outbuf, MAX_FRAME_SAMP, 0);
if(out_samples!=expected[t])test_failed();
if(t==0)dec_final_range2=dec_final_range1;
else if(dec_final_range1!=dec_final_range2)test_failed();
}
}
fprintf(stdout," dec[all] random packets, all mode pairs (4096), %d bytes/frame OK.\n",plen+1);
plen=(fast_rand()%18+3)*8+skip+3;
t=rand()&3;
for(i=0;i<4096;i++)
{
int count,j,expected;
packet[0]=modes[i]<<2;
expected=opus_decoder_get_nb_samples(dec[t],packet,plen);
for(count=0;count<10;count++)
{
for(j=0;j<plen;j++)packet[j+1]=(fast_rand()|fast_rand())&255;
out_samples = opus_decode(dec[t], packet, plen+1, outbuf, MAX_FRAME_SAMP, 0);
if(out_samples!=expected)test_failed();
}
}
fprintf(stdout," dec[%3d] random packets, all mode pairs (4096)*10, %d bytes/frame OK.\n",t,plen+1);
{
int tmodes[1]={25<<2};
opus_uint32 tseeds[1]={140441};
int tlen[1]={157};
opus_int32 tret[1]={480};
t=fast_rand()&1;
for(i=0;i<1;i++)
{
int j;
packet[0]=tmodes[i];
Rw=Rz=tseeds[i];
for(j=1;j<tlen[i];j++)packet[j]=fast_rand()&255;
out_samples=opus_decode(dec[t], packet, tlen[i], outbuf, MAX_FRAME_SAMP, 0);
if(out_samples!=tret[i])test_failed();
}
fprintf(stdout," dec[%3d] pre-selected random packets OK.\n",t);
}
for(t=0;t<5*2;t++)opus_decoder_destroy(dec[t]);
printf(" Decoders stopped.\n");
err=0;
for(i=0;i<8*2;i++)err|=outbuf_int[i]!=32749;
for(i=MAX_FRAME_SAMP*2;i<(MAX_FRAME_SAMP+8)*2;i++)err|=outbuf[i]!=32749;
if(err)test_failed();
free(outbuf_int);
free(packet);
return 0;
}
int main(int _argc, char **_argv)
{
const char * oversion;
if(_argc>2)
{
fprintf(stderr,"Usage: %s [<seed>]\n",_argv[0]);
return 1;
}
if(_argc>1)iseed=atoi(_argv[1]);
else iseed=(opus_uint32)time(NULL)^((getpid()&65535)<<16);
Rw=Rz=iseed;
oversion=opus_get_version_string();
if(!oversion)test_failed();
fprintf(stderr,"Testing %s decoder. Random seed: %u (%.4X)\n", oversion, iseed, fast_rand() % 65535);
test_decoder_code0();
return 0;
}