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Diffstat (limited to 'third_party/ilbc/iLBC_test.c')
-rw-r--r-- | third_party/ilbc/iLBC_test.c | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/third_party/ilbc/iLBC_test.c b/third_party/ilbc/iLBC_test.c new file mode 100644 index 00000000..81985c09 --- /dev/null +++ b/third_party/ilbc/iLBC_test.c @@ -0,0 +1,310 @@ + + /****************************************************************** + + iLBC Speech Coder ANSI-C Source Code + + iLBC_test.c + + Copyright (C) The Internet Society (2004). + All Rights Reserved. + + ******************************************************************/ + + #include <math.h> + #include <stdlib.h> + #include <stdio.h> + #include <string.h> + #include "iLBC_define.h" + #include "iLBC_encode.h" + #include "iLBC_decode.h" + + /* Runtime statistics */ + #include <time.h> + + #define ILBCNOOFWORDS_MAX (NO_OF_BYTES_30MS/2) + + /*----------------------------------------------------------------* + * Encoder interface function + + + + + + *---------------------------------------------------------------*/ + + short encode( /* (o) Number of bytes encoded */ + iLBC_Enc_Inst_t *iLBCenc_inst, + /* (i/o) Encoder instance */ + short *encoded_data, /* (o) The encoded bytes */ + short *data /* (i) The signal block to encode*/ + ){ + float block[BLOCKL_MAX]; + int k; + + /* convert signal to float */ + + for (k=0; k<iLBCenc_inst->blockl; k++) + block[k] = (float)data[k]; + + /* do the actual encoding */ + + iLBC_encode((unsigned char *)encoded_data, block, iLBCenc_inst); + + + return (iLBCenc_inst->no_of_bytes); + } + + /*----------------------------------------------------------------* + * Decoder interface function + *---------------------------------------------------------------*/ + + short decode( /* (o) Number of decoded samples */ + iLBC_Dec_Inst_t *iLBCdec_inst, /* (i/o) Decoder instance */ + short *decoded_data, /* (o) Decoded signal block*/ + short *encoded_data, /* (i) Encoded bytes */ + short mode /* (i) 0=PL, 1=Normal */ + ){ + int k; + float decblock[BLOCKL_MAX], dtmp; + + /* check if mode is valid */ + + if (mode<0 || mode>1) { + printf("\nERROR - Wrong mode - 0, 1 allowed\n"); exit(3);} + + /* do actual decoding of block */ + + iLBC_decode(decblock, (unsigned char *)encoded_data, + iLBCdec_inst, mode); + + /* convert to short */ + + + + + + for (k=0; k<iLBCdec_inst->blockl; k++){ + dtmp=decblock[k]; + + if (dtmp<MIN_SAMPLE) + dtmp=MIN_SAMPLE; + else if (dtmp>MAX_SAMPLE) + dtmp=MAX_SAMPLE; + decoded_data[k] = (short) dtmp; + } + + return (iLBCdec_inst->blockl); + } + + /*---------------------------------------------------------------* + * Main program to test iLBC encoding and decoding + * + * Usage: + * exefile_name.exe <infile> <bytefile> <outfile> <channel> + * + * <infile> : Input file, speech for encoder (16-bit pcm file) + * <bytefile> : Bit stream output from the encoder + * <outfile> : Output file, decoded speech (16-bit pcm file) + * <channel> : Bit error file, optional (16-bit) + * 1 - Packet received correctly + * 0 - Packet Lost + * + *--------------------------------------------------------------*/ + + int main(int argc, char* argv[]) + { + + /* Runtime statistics */ + + float starttime; + float runtime; + float outtime; + + FILE *ifileid,*efileid,*ofileid, *cfileid; + short data[BLOCKL_MAX]; + short encoded_data[ILBCNOOFWORDS_MAX], decoded_data[BLOCKL_MAX]; + int len; + short pli, mode; + int blockcount = 0; + int packetlosscount = 0; + + /* Create structs */ + iLBC_Enc_Inst_t Enc_Inst; + iLBC_Dec_Inst_t Dec_Inst; + + + + + + /* get arguments and open files */ + + if ((argc!=5) && (argc!=6)) { + fprintf(stderr, + "\n*-----------------------------------------------*\n"); + fprintf(stderr, + " %s <20,30> input encoded decoded (channel)\n\n", + argv[0]); + fprintf(stderr, + " mode : Frame size for the encoding/decoding\n"); + fprintf(stderr, + " 20 - 20 ms\n"); + fprintf(stderr, + " 30 - 30 ms\n"); + fprintf(stderr, + " input : Speech for encoder (16-bit pcm file)\n"); + fprintf(stderr, + " encoded : Encoded bit stream\n"); + fprintf(stderr, + " decoded : Decoded speech (16-bit pcm file)\n"); + fprintf(stderr, + " channel : Packet loss pattern, optional (16-bit)\n"); + fprintf(stderr, + " 1 - Packet received correctly\n"); + fprintf(stderr, + " 0 - Packet Lost\n"); + fprintf(stderr, + "*-----------------------------------------------*\n\n"); + exit(1); + } + mode=atoi(argv[1]); + if (mode != 20 && mode != 30) { + fprintf(stderr,"Wrong mode %s, must be 20, or 30\n", + argv[1]); + exit(2); + } + if ( (ifileid=fopen(argv[2],"rb")) == NULL) { + fprintf(stderr,"Cannot open input file %s\n", argv[2]); + exit(2);} + if ( (efileid=fopen(argv[3],"wb")) == NULL) { + fprintf(stderr, "Cannot open encoded file %s\n", + argv[3]); exit(1);} + if ( (ofileid=fopen(argv[4],"wb")) == NULL) { + fprintf(stderr, "Cannot open decoded file %s\n", + argv[4]); exit(1);} + if (argc==6) { + if( (cfileid=fopen(argv[5],"rb")) == NULL) { + fprintf(stderr, "Cannot open channel file %s\n", + + + + + + argv[5]); + exit(1); + } + } else { + cfileid=NULL; + } + + /* print info */ + + fprintf(stderr, "\n"); + fprintf(stderr, + "*---------------------------------------------------*\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "* iLBC test program *\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "*---------------------------------------------------*\n"); + fprintf(stderr,"\nMode : %2d ms\n", mode); + fprintf(stderr,"Input file : %s\n", argv[2]); + fprintf(stderr,"Encoded file : %s\n", argv[3]); + fprintf(stderr,"Output file : %s\n", argv[4]); + if (argc==6) { + fprintf(stderr,"Channel file : %s\n", argv[5]); + } + fprintf(stderr,"\n"); + + /* Initialization */ + + initEncode(&Enc_Inst, mode); + initDecode(&Dec_Inst, mode, 1); + + /* Runtime statistics */ + + starttime=clock()/(float)CLOCKS_PER_SEC; + + /* loop over input blocks */ + + while (fread(data,sizeof(short),Enc_Inst.blockl,ifileid)== + (size_t)Enc_Inst.blockl) { + + blockcount++; + + /* encoding */ + + + + + + fprintf(stderr, "--- Encoding block %i --- ",blockcount); + len=encode(&Enc_Inst, encoded_data, data); + fprintf(stderr, "\r"); + + /* write byte file */ + + fwrite(encoded_data, sizeof(unsigned char), len, efileid); + + /* get channel data if provided */ + if (argc==6) { + if (fread(&pli, sizeof(short), 1, cfileid)) { + if ((pli!=0)&&(pli!=1)) { + fprintf(stderr, "Error in channel file\n"); + exit(0); + } + if (pli==0) { + /* Packet loss -> remove info from frame */ + memset(encoded_data, 0, + sizeof(short)*ILBCNOOFWORDS_MAX); + packetlosscount++; + } + } else { + fprintf(stderr, "Error. Channel file too short\n"); + exit(0); + } + } else { + pli=1; + } + + /* decoding */ + + fprintf(stderr, "--- Decoding block %i --- ",blockcount); + + len=decode(&Dec_Inst, decoded_data, encoded_data, pli); + fprintf(stderr, "\r"); + + /* write output file */ + + fwrite(decoded_data,sizeof(short),len,ofileid); + } + + /* Runtime statistics */ + + runtime = (float)(clock()/(float)CLOCKS_PER_SEC-starttime); + outtime = (float)((float)blockcount*(float)mode/1000.0); + printf("\n\nLength of speech file: %.1f s\n", outtime); + printf("Packet loss : %.1f%%\n", + 100.0*(float)packetlosscount/(float)blockcount); + + + + + + printf("Time to run iLBC :"); + printf(" %.1f s (%.1f %% of realtime)\n\n", runtime, + (100*runtime/outtime)); + + /* close files */ + + fclose(ifileid); fclose(efileid); fclose(ofileid); + if (argc==6) { + fclose(cfileid); + } + return(0); + } + |