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-rw-r--r--tests/test_opus_decode.c389
1 files changed, 389 insertions, 0 deletions
diff --git a/tests/test_opus_decode.c b/tests/test_opus_decode.c
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--- /dev/null
+++ b/tests/test_opus_decode.c
@@ -0,0 +1,389 @@
+/* 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 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>
+#include <limits.h>
+#include <stdint.h>
+#include <math.h>
+#include <string.h>
+#include <time.h>
+#if (!defined WIN32 && !defined _WIN32) || defined(__MINGW32__)
+#include <unistd.h>
+#endif
+#include "opus.h"
+#include "test_opus_common.h"
+
+#define MAX_PACKET (1500)
+#define MAX_FRAME_SAMP (5760)
+extern int jackpot;
+
+int test_decoder_code0(int no_fuzz)
+{
+ 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(1);
+ 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");
+
+ if(no_fuzz)
+ {
+ fprintf(stdout," Skipping many tests which fuzz the decoder as requested.\n");
+ free(decbak);
+ 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;
+ }
+
+ {
+ /*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);
+ }
+
+ free(decbak);
+ 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;
+ const char * env_seed;
+ int env_used;
+
+ if(_argc>2)
+ {
+ fprintf(stderr,"Usage: %s [<seed>]\n",_argv[0]);
+ return 1;
+ }
+
+ env_used=0;
+ env_seed=getenv("SEED");
+ if(_argc>1)iseed=atoi(_argv[1]);
+ else if(env_seed)
+ {
+ iseed=atoi(env_seed);
+ env_used=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);
+ if(env_used)fprintf(stderr," Random seed set from the environment (SEED=%s).\n", env_seed);
+
+ /*Setting TEST_OPUS_NOFUZZ tells the tool not to send garbage data
+ into the decoders. This is helpful because garbage data
+ may cause the decoders to clip, which angers CLANG IOC.*/
+ test_decoder_code0(getenv("TEST_OPUS_NOFUZZ")!=NULL);
+
+ return 0;
+}