Chris@69: /* Copyright (c) 2011-2013 Xiph.Org Foundation
Chris@69:    Written by Gregory Maxwell */
Chris@69: /*
Chris@69:    Redistribution and use in source and binary forms, with or without
Chris@69:    modification, are permitted provided that the following conditions
Chris@69:    are met:
Chris@69: 
Chris@69:    - Redistributions of source code must retain the above copyright
Chris@69:    notice, this list of conditions and the following disclaimer.
Chris@69: 
Chris@69:    - Redistributions in binary form must reproduce the above copyright
Chris@69:    notice, this list of conditions and the following disclaimer in the
Chris@69:    documentation and/or other materials provided with the distribution.
Chris@69: 
Chris@69:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Chris@69:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Chris@69:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
Chris@69:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
Chris@69:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
Chris@69:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
Chris@69:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
Chris@69:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
Chris@69:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
Chris@69:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Chris@69:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Chris@69: */
Chris@69: 
Chris@69: #ifdef HAVE_CONFIG_H
Chris@69: #include "config.h"
Chris@69: #endif
Chris@69: 
Chris@69: #include <stdio.h>
Chris@69: #include <stdlib.h>
Chris@69: #include <limits.h>
Chris@69: #include <stdint.h>
Chris@69: #include <math.h>
Chris@69: #include <string.h>
Chris@69: #include <time.h>
Chris@69: #if (!defined WIN32 && !defined _WIN32) || defined(__MINGW32__)
Chris@69: #include <unistd.h>
Chris@69: #else
Chris@69: #include <process.h>
Chris@69: #define getpid _getpid
Chris@69: #endif
Chris@69: #include "opus.h"
Chris@69: #include "test_opus_common.h"
Chris@69: 
Chris@69: #define MAX_PACKET (1500)
Chris@69: #define MAX_FRAME_SAMP (5760)
Chris@69: 
Chris@69: int test_decoder_code0(int no_fuzz)
Chris@69: {
Chris@69:    static const opus_int32 fsv[5]={48000,24000,16000,12000,8000};
Chris@69:    int err,skip,plen;
Chris@69:    int out_samples,fec;
Chris@69:    int t;
Chris@69:    opus_int32 i;
Chris@69:    OpusDecoder *dec[5*2];
Chris@69:    opus_int32 decsize;
Chris@69:    OpusDecoder *decbak;
Chris@69:    opus_uint32 dec_final_range1,dec_final_range2,dec_final_acc;
Chris@69:    unsigned char *packet;
Chris@69:    unsigned char modes[4096];
Chris@69:    short *outbuf_int;
Chris@69:    short *outbuf;
Chris@69: 
Chris@69:    dec_final_range1=dec_final_range2=2;
Chris@69: 
Chris@69:    packet=malloc(sizeof(unsigned char)*MAX_PACKET);
Chris@69:    if(packet==NULL)test_failed();
Chris@69: 
Chris@69:    outbuf_int=malloc(sizeof(short)*(MAX_FRAME_SAMP+16)*2);
Chris@69:    for(i=0;i<(MAX_FRAME_SAMP+16)*2;i++)outbuf_int[i]=32749;
Chris@69:    outbuf=&outbuf_int[8*2];
Chris@69: 
Chris@69:    fprintf(stdout,"  Starting %d decoders...\n",5*2);
Chris@69:    for(t=0;t<5*2;t++)
Chris@69:    {
Chris@69:       int fs=fsv[t>>1];
Chris@69:       int c=(t&1)+1;
Chris@69:       err=OPUS_INTERNAL_ERROR;
Chris@69:       dec[t] = opus_decoder_create(fs, c, &err);
Chris@69:       if(err!=OPUS_OK || dec[t]==NULL)test_failed();
Chris@69:       fprintf(stdout,"    opus_decoder_create(%5d,%d) OK. Copy ",fs,c);
Chris@69:       {
Chris@69:          OpusDecoder *dec2;
Chris@69:          /*The opus state structures contain no pointers and can be freely copied*/
Chris@69:          dec2=(OpusDecoder *)malloc(opus_decoder_get_size(c));
Chris@69:          if(dec2==NULL)test_failed();
Chris@69:          memcpy(dec2,dec[t],opus_decoder_get_size(c));
Chris@69:          memset(dec[t],255,opus_decoder_get_size(c));
Chris@69:          opus_decoder_destroy(dec[t]);
Chris@69:          printf("OK.\n");
Chris@69:          dec[t]=dec2;
Chris@69:       }
Chris@69:    }
Chris@69: 
Chris@69:    decsize=opus_decoder_get_size(1);
Chris@69:    decbak=(OpusDecoder *)malloc(decsize);
Chris@69:    if(decbak==NULL)test_failed();
Chris@69: 
Chris@69:    for(t=0;t<5*2;t++)
Chris@69:    {
Chris@69:       int factor=48000/fsv[t>>1];
Chris@69:       for(fec=0;fec<2;fec++)
Chris@69:       {
Chris@69:          opus_int32 dur;
Chris@69:          /*Test PLC on a fresh decoder*/
Chris@69:          out_samples = opus_decode(dec[t], 0, 0, outbuf, 120/factor, fec);
Chris@69:          if(out_samples!=120/factor)test_failed();
Chris@69:          if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed();
Chris@69:          if(dur!=120/factor)test_failed();
Chris@69: 
Chris@69:          /*Test on a size which isn't a multiple of 2.5ms*/
Chris@69:          out_samples = opus_decode(dec[t], 0, 0, outbuf, 120/factor+2, fec);
Chris@69:          if(out_samples!=OPUS_BAD_ARG)test_failed();
Chris@69: 
Chris@69:          /*Test null pointer input*/
Chris@69:          out_samples = opus_decode(dec[t], 0, -1, outbuf, 120/factor, fec);
Chris@69:          if(out_samples!=120/factor)test_failed();
Chris@69:          out_samples = opus_decode(dec[t], 0, 1, outbuf, 120/factor, fec);
Chris@69:          if(out_samples!=120/factor)test_failed();
Chris@69:          out_samples = opus_decode(dec[t], 0, 10, outbuf, 120/factor, fec);
Chris@69:          if(out_samples!=120/factor)test_failed();
Chris@69:          out_samples = opus_decode(dec[t], 0, fast_rand(), outbuf, 120/factor, fec);
Chris@69:          if(out_samples!=120/factor)test_failed();
Chris@69:          if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed();
Chris@69:          if(dur!=120/factor)test_failed();
Chris@69: 
Chris@69:          /*Zero lengths*/
Chris@69:          out_samples = opus_decode(dec[t], packet, 0, outbuf, 120/factor, fec);
Chris@69:          if(out_samples!=120/factor)test_failed();
Chris@69: 
Chris@69:          /*Zero buffer*/
Chris@69:          outbuf[0]=32749;
Chris@69:          out_samples = opus_decode(dec[t], packet, 0, outbuf, 0, fec);
Chris@69:          if(out_samples>0)test_failed();
Chris@69: #if !defined(OPUS_BUILD) && (OPUS_GNUC_PREREQ(4, 6) || (defined(__clang_major__) && __clang_major__ >= 3))
Chris@69: #pragma GCC diagnostic push
Chris@69: #pragma GCC diagnostic ignored "-Wnonnull"
Chris@69: #endif
Chris@69:          out_samples = opus_decode(dec[t], packet, 0, 0, 0, fec);
Chris@69: #if !defined(OPUS_BUILD) && (OPUS_GNUC_PREREQ(4, 6) || (defined(__clang_major__) && __clang_major__ >= 3))
Chris@69: #pragma GCC diagnostic pop
Chris@69: #endif
Chris@69:          if(out_samples>0)test_failed();
Chris@69:          if(outbuf[0]!=32749)test_failed();
Chris@69: 
Chris@69:          /*Invalid lengths*/
Chris@69:          out_samples = opus_decode(dec[t], packet, -1, outbuf, MAX_FRAME_SAMP, fec);
Chris@69:          if(out_samples>=0)test_failed();
Chris@69:          out_samples = opus_decode(dec[t], packet, INT_MIN, outbuf, MAX_FRAME_SAMP, fec);
Chris@69:          if(out_samples>=0)test_failed();
Chris@69:          out_samples = opus_decode(dec[t], packet, -1, outbuf, -1, fec);
Chris@69:          if(out_samples>=0)test_failed();
Chris@69: 
Chris@69:          /*Crazy FEC values*/
Chris@69:          out_samples = opus_decode(dec[t], packet, 1, outbuf, MAX_FRAME_SAMP, fec?-1:2);
Chris@69:          if(out_samples>=0)test_failed();
Chris@69: 
Chris@69:          /*Reset the decoder*/
Chris@69:          if(opus_decoder_ctl(dec[t], OPUS_RESET_STATE)!=OPUS_OK)test_failed();
Chris@69:       }
Chris@69:    }
Chris@69:    fprintf(stdout,"  dec[all] initial frame PLC OK.\n");
Chris@69: 
Chris@69:    /*Count code 0 tests*/
Chris@69:    for(i=0;i<64;i++)
Chris@69:    {
Chris@69:       opus_int32 dur;
Chris@69:       int j,expected[5*2];
Chris@69:       packet[0]=i<<2;
Chris@69:       packet[1]=255;
Chris@69:       packet[2]=255;
Chris@69:       err=opus_packet_get_nb_channels(packet);
Chris@69:       if(err!=(i&1)+1)test_failed();
Chris@69: 
Chris@69:       for(t=0;t<5*2;t++){
Chris@69:          expected[t]=opus_decoder_get_nb_samples(dec[t],packet,1);
Chris@69:          if(expected[t]>2880)test_failed();
Chris@69:       }
Chris@69: 
Chris@69:       for(j=0;j<256;j++)
Chris@69:       {
Chris@69:          packet[1]=j;
Chris@69:          for(t=0;t<5*2;t++)
Chris@69:          {
Chris@69:             out_samples = opus_decode(dec[t], packet, 3, outbuf, MAX_FRAME_SAMP, 0);
Chris@69:             if(out_samples!=expected[t])test_failed();
Chris@69:             if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed();
Chris@69:             if(dur!=out_samples)test_failed();
Chris@69:             opus_decoder_ctl(dec[t], OPUS_GET_FINAL_RANGE(&dec_final_range1));
Chris@69:             if(t==0)dec_final_range2=dec_final_range1;
Chris@69:             else if(dec_final_range1!=dec_final_range2)test_failed();
Chris@69:          }
Chris@69:       }
Chris@69: 
Chris@69:       for(t=0;t<5*2;t++){
Chris@69:          int factor=48000/fsv[t>>1];
Chris@69:          /* The PLC is run for 6 frames in order to get better PLC coverage. */
Chris@69:          for(j=0;j<6;j++)
Chris@69:          {
Chris@69:             out_samples = opus_decode(dec[t], 0, 0, outbuf, expected[t], 0);
Chris@69:             if(out_samples!=expected[t])test_failed();
Chris@69:             if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed();
Chris@69:             if(dur!=out_samples)test_failed();
Chris@69:          }
Chris@69:          /* Run the PLC once at 2.5ms, as a simulation of someone trying to
Chris@69:             do small drift corrections. */
Chris@69:          if(expected[t]!=120/factor)
Chris@69:          {
Chris@69:             out_samples = opus_decode(dec[t], 0, 0, outbuf, 120/factor, 0);
Chris@69:             if(out_samples!=120/factor)test_failed();
Chris@69:             if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed();
Chris@69:             if(dur!=out_samples)test_failed();
Chris@69:          }
Chris@69:          out_samples = opus_decode(dec[t], packet, 2, outbuf, expected[t]-1, 0);
Chris@69:          if(out_samples>0)test_failed();
Chris@69:       }
Chris@69:    }
Chris@69:    fprintf(stdout,"  dec[all] all 2-byte prefix for length 3 and PLC, all modes (64) OK.\n");
Chris@69: 
Chris@69:    if(no_fuzz)
Chris@69:    {
Chris@69:       fprintf(stdout,"  Skipping many tests which fuzz the decoder as requested.\n");
Chris@69:       free(decbak);
Chris@69:       for(t=0;t<5*2;t++)opus_decoder_destroy(dec[t]);
Chris@69:       printf("  Decoders stopped.\n");
Chris@69: 
Chris@69:       err=0;
Chris@69:       for(i=0;i<8*2;i++)err|=outbuf_int[i]!=32749;
Chris@69:       for(i=MAX_FRAME_SAMP*2;i<(MAX_FRAME_SAMP+8)*2;i++)err|=outbuf[i]!=32749;
Chris@69:       if(err)test_failed();
Chris@69: 
Chris@69:       free(outbuf_int);
Chris@69:       free(packet);
Chris@69:       return 0;
Chris@69:    }
Chris@69: 
Chris@69:    {
Chris@69:      /*We only test a subset of the modes here simply because the longer
Chris@69:        durations end up taking a long time.*/
Chris@69:       static const int cmodes[4]={16,20,24,28};
Chris@69:       static const opus_uint32 cres[4]={116290185,2172123586u,2172123586u,2172123586u};
Chris@69:       static const opus_uint32 lres[3]={3285687739u,1481572662,694350475};
Chris@69:       static const int lmodes[3]={0,4,8};
Chris@69:       int mode=fast_rand()%4;
Chris@69: 
Chris@69:       packet[0]=cmodes[mode]<<3;
Chris@69:       dec_final_acc=0;
Chris@69:       t=fast_rand()%10;
Chris@69: 
Chris@69:       for(i=0;i<65536;i++)
Chris@69:       {
Chris@69:          int factor=48000/fsv[t>>1];
Chris@69:          packet[1]=i>>8;
Chris@69:          packet[2]=i&255;
Chris@69:          packet[3]=255;
Chris@69:          out_samples = opus_decode(dec[t], packet, 4, outbuf, MAX_FRAME_SAMP, 0);
Chris@69:          if(out_samples!=120/factor)test_failed();
Chris@69:          opus_decoder_ctl(dec[t], OPUS_GET_FINAL_RANGE(&dec_final_range1));
Chris@69:          dec_final_acc+=dec_final_range1;
Chris@69:       }
Chris@69:       if(dec_final_acc!=cres[mode])test_failed();
Chris@69:       fprintf(stdout,"  dec[%3d] all 3-byte prefix for length 4, mode %2d OK.\n",t,cmodes[mode]);
Chris@69: 
Chris@69:       mode=fast_rand()%3;
Chris@69:       packet[0]=lmodes[mode]<<3;
Chris@69:       dec_final_acc=0;
Chris@69:       t=fast_rand()%10;
Chris@69:       for(i=0;i<65536;i++)
Chris@69:       {
Chris@69:          int factor=48000/fsv[t>>1];
Chris@69:          packet[1]=i>>8;
Chris@69:          packet[2]=i&255;
Chris@69:          packet[3]=255;
Chris@69:          out_samples = opus_decode(dec[t], packet, 4, outbuf, MAX_FRAME_SAMP, 0);
Chris@69:          if(out_samples!=480/factor)test_failed();
Chris@69:          opus_decoder_ctl(dec[t], OPUS_GET_FINAL_RANGE(&dec_final_range1));
Chris@69:          dec_final_acc+=dec_final_range1;
Chris@69:       }
Chris@69:       if(dec_final_acc!=lres[mode])test_failed();
Chris@69:       fprintf(stdout,"  dec[%3d] all 3-byte prefix for length 4, mode %2d OK.\n",t,lmodes[mode]);
Chris@69:    }
Chris@69: 
Chris@69:    skip=fast_rand()%7;
Chris@69:    for(i=0;i<64;i++)
Chris@69:    {
Chris@69:       int j,expected[5*2];
Chris@69:       packet[0]=i<<2;
Chris@69:       for(t=0;t<5*2;t++)expected[t]=opus_decoder_get_nb_samples(dec[t],packet,1);
Chris@69:       for(j=2+skip;j<1275;j+=4)
Chris@69:       {
Chris@69:          int jj;
Chris@69:          for(jj=0;jj<j;jj++)packet[jj+1]=fast_rand()&255;
Chris@69:          for(t=0;t<5*2;t++)
Chris@69:          {
Chris@69:             out_samples = opus_decode(dec[t], packet, j+1, outbuf, MAX_FRAME_SAMP, 0);
Chris@69:             if(out_samples!=expected[t])test_failed();
Chris@69:             opus_decoder_ctl(dec[t], OPUS_GET_FINAL_RANGE(&dec_final_range1));
Chris@69:             if(t==0)dec_final_range2=dec_final_range1;
Chris@69:             else if(dec_final_range1!=dec_final_range2)test_failed();
Chris@69:          }
Chris@69:       }
Chris@69:    }
Chris@69:    fprintf(stdout,"  dec[all] random packets, all modes (64), every 8th size from from %d bytes to maximum OK.\n",2+skip);
Chris@69: 
Chris@69:    debruijn2(64,modes);
Chris@69:    plen=(fast_rand()%18+3)*8+skip+3;
Chris@69:    for(i=0;i<4096;i++)
Chris@69:    {
Chris@69:       int j,expected[5*2];
Chris@69:       packet[0]=modes[i]<<2;
Chris@69:       for(t=0;t<5*2;t++)expected[t]=opus_decoder_get_nb_samples(dec[t],packet,plen);
Chris@69:       for(j=0;j<plen;j++)packet[j+1]=(fast_rand()|fast_rand())&255;
Chris@69:       memcpy(decbak,dec[0],decsize);
Chris@69:       if(opus_decode(decbak, packet, plen+1, outbuf, expected[0], 1)!=expected[0])test_failed();
Chris@69:       memcpy(decbak,dec[0],decsize);
Chris@69:       if(opus_decode(decbak,  0, 0, outbuf, MAX_FRAME_SAMP, 1)<20)test_failed();
Chris@69:       memcpy(decbak,dec[0],decsize);
Chris@69:       if(opus_decode(decbak,  0, 0, outbuf, MAX_FRAME_SAMP, 0)<20)test_failed();
Chris@69:       for(t=0;t<5*2;t++)
Chris@69:       {
Chris@69:          opus_int32 dur;
Chris@69:          out_samples = opus_decode(dec[t], packet, plen+1, outbuf, MAX_FRAME_SAMP, 0);
Chris@69:          if(out_samples!=expected[t])test_failed();
Chris@69:          if(t==0)dec_final_range2=dec_final_range1;
Chris@69:          else if(dec_final_range1!=dec_final_range2)test_failed();
Chris@69:          if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed();
Chris@69:          if(dur!=out_samples)test_failed();
Chris@69:       }
Chris@69:    }
Chris@69:    fprintf(stdout,"  dec[all] random packets, all mode pairs (4096), %d bytes/frame OK.\n",plen+1);
Chris@69: 
Chris@69:    plen=(fast_rand()%18+3)*8+skip+3;
Chris@69:    t=rand()&3;
Chris@69:    for(i=0;i<4096;i++)
Chris@69:    {
Chris@69:       int count,j,expected;
Chris@69:       packet[0]=modes[i]<<2;
Chris@69:       expected=opus_decoder_get_nb_samples(dec[t],packet,plen);
Chris@69:       for(count=0;count<10;count++)
Chris@69:       {
Chris@69:          for(j=0;j<plen;j++)packet[j+1]=(fast_rand()|fast_rand())&255;
Chris@69:          out_samples = opus_decode(dec[t], packet, plen+1, outbuf, MAX_FRAME_SAMP, 0);
Chris@69:          if(out_samples!=expected)test_failed();
Chris@69:       }
Chris@69:    }
Chris@69:    fprintf(stdout,"  dec[%3d] random packets, all mode pairs (4096)*10, %d bytes/frame OK.\n",t,plen+1);
Chris@69: 
Chris@69:    {
Chris@69:       int tmodes[1]={25<<2};
Chris@69:       opus_uint32 tseeds[1]={140441};
Chris@69:       int tlen[1]={157};
Chris@69:       opus_int32 tret[1]={480};
Chris@69:       t=fast_rand()&1;
Chris@69:       for(i=0;i<1;i++)
Chris@69:       {
Chris@69:          int j;
Chris@69:          packet[0]=tmodes[i];
Chris@69:          Rw=Rz=tseeds[i];
Chris@69:          for(j=1;j<tlen[i];j++)packet[j]=fast_rand()&255;
Chris@69:          out_samples=opus_decode(dec[t], packet, tlen[i], outbuf, MAX_FRAME_SAMP, 0);
Chris@69:          if(out_samples!=tret[i])test_failed();
Chris@69:       }
Chris@69:       fprintf(stdout,"  dec[%3d] pre-selected random packets OK.\n",t);
Chris@69:    }
Chris@69: 
Chris@69:    free(decbak);
Chris@69:    for(t=0;t<5*2;t++)opus_decoder_destroy(dec[t]);
Chris@69:    printf("  Decoders stopped.\n");
Chris@69: 
Chris@69:    err=0;
Chris@69:    for(i=0;i<8*2;i++)err|=outbuf_int[i]!=32749;
Chris@69:    for(i=MAX_FRAME_SAMP*2;i<(MAX_FRAME_SAMP+8)*2;i++)err|=outbuf[i]!=32749;
Chris@69:    if(err)test_failed();
Chris@69: 
Chris@69:    free(outbuf_int);
Chris@69:    free(packet);
Chris@69:    return 0;
Chris@69: }
Chris@69: 
Chris@69: #ifndef DISABLE_FLOAT_API
Chris@69: void test_soft_clip(void)
Chris@69: {
Chris@69:    int i,j;
Chris@69:    float x[1024];
Chris@69:    float s[8] = {0, 0, 0, 0, 0, 0, 0, 0};
Chris@69:    fprintf(stdout,"  Testing opus_pcm_soft_clip... ");
Chris@69:    for(i=0;i<1024;i++)
Chris@69:    {
Chris@69:       for (j=0;j<1024;j++)
Chris@69:       {
Chris@69:         x[j]=(j&255)*(1/32.f)-4.f;
Chris@69:       }
Chris@69:       opus_pcm_soft_clip(&x[i],1024-i,1,s);
Chris@69:       for (j=i;j<1024;j++)
Chris@69:       {
Chris@69:         if(x[j]>1.f)test_failed();
Chris@69:         if(x[j]<-1.f)test_failed();
Chris@69:       }
Chris@69:    }
Chris@69:    for(i=1;i<9;i++)
Chris@69:    {
Chris@69:       for (j=0;j<1024;j++)
Chris@69:       {
Chris@69:         x[j]=(j&255)*(1/32.f)-4.f;
Chris@69:       }
Chris@69:       opus_pcm_soft_clip(x,1024/i,i,s);
Chris@69:       for (j=0;j<(1024/i)*i;j++)
Chris@69:       {
Chris@69:         if(x[j]>1.f)test_failed();
Chris@69:         if(x[j]<-1.f)test_failed();
Chris@69:       }
Chris@69:    }
Chris@69:    opus_pcm_soft_clip(x,0,1,s);
Chris@69:    opus_pcm_soft_clip(x,1,0,s);
Chris@69:    opus_pcm_soft_clip(x,1,1,0);
Chris@69:    opus_pcm_soft_clip(x,1,-1,s);
Chris@69:    opus_pcm_soft_clip(x,-1,1,s);
Chris@69:    opus_pcm_soft_clip(0,1,1,s);
Chris@69:    printf("OK.\n");
Chris@69: }
Chris@69: #endif
Chris@69: 
Chris@69: int main(int _argc, char **_argv)
Chris@69: {
Chris@69:    const char * oversion;
Chris@69:    const char * env_seed;
Chris@69:    int env_used;
Chris@69: 
Chris@69:    if(_argc>2)
Chris@69:    {
Chris@69:       fprintf(stderr,"Usage: %s [<seed>]\n",_argv[0]);
Chris@69:       return 1;
Chris@69:    }
Chris@69: 
Chris@69:    env_used=0;
Chris@69:    env_seed=getenv("SEED");
Chris@69:    if(_argc>1)iseed=atoi(_argv[1]);
Chris@69:    else if(env_seed)
Chris@69:    {
Chris@69:       iseed=atoi(env_seed);
Chris@69:       env_used=1;
Chris@69:    }
Chris@69:    else iseed=(opus_uint32)time(NULL)^(((opus_uint32)getpid()&65535)<<16);
Chris@69:    Rw=Rz=iseed;
Chris@69: 
Chris@69:    oversion=opus_get_version_string();
Chris@69:    if(!oversion)test_failed();
Chris@69:    fprintf(stderr,"Testing %s decoder. Random seed: %u (%.4X)\n", oversion, iseed, fast_rand() % 65535);
Chris@69:    if(env_used)fprintf(stderr,"  Random seed set from the environment (SEED=%s).\n", env_seed);
Chris@69: 
Chris@69:    /*Setting TEST_OPUS_NOFUZZ tells the tool not to send garbage data
Chris@69:      into the decoders. This is helpful because garbage data
Chris@69:      may cause the decoders to clip, which angers CLANG IOC.*/
Chris@69:    test_decoder_code0(getenv("TEST_OPUS_NOFUZZ")!=NULL);
Chris@69: #ifndef DISABLE_FLOAT_API
Chris@69:    test_soft_clip();
Chris@69: #endif
Chris@69: 
Chris@69:    return 0;
Chris@69: }