virtual bool Transcode(const void * fromPtr, unsigned & fromLen, void * toPtr, unsigned & toLen, unsigned & flags) { int samples; const unsigned char * packet; if (fromLen == 0) { packet = NULL; // As per opus_decode() API opus_decoder_ctl(m_decoder, OPUS_GET_LAST_PACKET_DURATION(&samples)); } else { packet = (const unsigned char *)fromPtr; samples = opus_decoder_get_nb_samples(m_decoder, packet, fromLen); if (samples < 0) { PTRACE(1, MY_CODEC_LOG, "Decoding error " << samples << ' ' << opus_strerror(samples)); return false; } } if ((unsigned)samples*m_channels*2U > toLen) { PTRACE(1, MY_CODEC_LOG, "Provided sample buffer too small, " << toLen << " bytes"); return false; } int result = opus_decode(m_decoder, packet, fromLen, (opus_int16 *)toPtr, samples, m_useInBandFEC); if (result < 0) { PTRACE(1, MY_CODEC_LOG, "Decoder error " << result << ' ' << opus_strerror(result)); return false; } toLen = result*m_channels*2; return true; }
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++) { opus_int32 dur; /*Test PLC on a fresh decoder*/ out_samples = opus_decode(dec[t], 0, 0, outbuf, 120/factor, fec); if(out_samples!=120/factor)test_failed(); if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed(); if(dur!=120/factor)test_failed(); /*Test on a size which isn't a multiple of 2.5ms*/ out_samples = opus_decode(dec[t], 0, 0, outbuf, 120/factor+2, fec); if(out_samples!=OPUS_BAD_ARG)test_failed(); /*Test null pointer input*/ out_samples = opus_decode(dec[t], 0, -1, outbuf, 120/factor, fec); if(out_samples!=120/factor)test_failed(); out_samples = opus_decode(dec[t], 0, 1, outbuf, 120/factor, fec); if(out_samples!=120/factor)test_failed(); out_samples = opus_decode(dec[t], 0, 10, outbuf, 120/factor, fec); if(out_samples!=120/factor)test_failed(); out_samples = opus_decode(dec[t], 0, fast_rand(), outbuf, 120/factor, fec); if(out_samples!=120/factor)test_failed(); if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed(); if(dur!=120/factor)test_failed(); /*Zero lengths*/ out_samples = opus_decode(dec[t], packet, 0, outbuf, 120/factor, 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(); #if !defined(OPUS_BUILD) && (OPUS_GNUC_PREREQ(4, 6) || (defined(__clang_major__) && __clang_major__ >= 3)) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wnonnull" #endif out_samples = opus_decode(dec[t], packet, 0, 0, 0, fec); #if !defined(OPUS_BUILD) && (OPUS_GNUC_PREREQ(4, 6) || (defined(__clang_major__) && __clang_major__ >= 3)) #pragma GCC diagnostic pop #endif 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++) { opus_int32 dur; 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(); if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed(); if(dur!=out_samples)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, expected[t], 0); if(out_samples!=expected[t])test_failed(); if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed(); if(dur!=out_samples)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(); if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed(); if(dur!=out_samples)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]={116290185,2172123586u,2172123586u,2172123586u}; static const opus_uint32 lres[3]={3285687739u,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, expected[0], 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++) { opus_int32 dur; 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(); if(opus_decoder_ctl(dec[t], OPUS_GET_LAST_PACKET_DURATION(&dur))!=OPUS_OK)test_failed(); if(dur!=out_samples)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; }