212 lines
5.6 KiB
C
212 lines
5.6 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/******************************************************************
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iLBC Speech Coder ANSI-C Source Code
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iLBC_test.c
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******************************************************************/
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include "ilbc.h"
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//#define JUNK_DATA
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#ifdef JUNK_DATA
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#define SEED_FILE "randseed.txt"
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#endif
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/*----------------------------------------------------------------*
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* Main program to test iLBC encoding and decoding
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*
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* Usage:
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* exefile_name.exe <infile> <bytefile> <outfile>
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*
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*---------------------------------------------------------------*/
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int main(int argc, char* argv[])
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{
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FILE *ifileid,*efileid,*ofileid, *chfileid;
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short encoded_data[55], data[240], speechType;
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short len, mode, pli;
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int blockcount = 0;
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iLBC_encinst_t *Enc_Inst;
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iLBC_decinst_t *Dec_Inst;
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#ifdef JUNK_DATA
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int i;
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FILE *seedfile;
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unsigned int random_seed = (unsigned int) time(NULL);//1196764538
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#endif
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/* Create structs */
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WebRtcIlbcfix_EncoderCreate(&Enc_Inst);
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WebRtcIlbcfix_DecoderCreate(&Dec_Inst);
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/* get arguments and open files */
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if (argc != 6 ) {
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fprintf(stderr, "%s mode inputfile bytefile outputfile channelfile\n",
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argv[0]);
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fprintf(stderr, "Example:\n");
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fprintf(stderr, "%s <30,20> in.pcm byte.dat out.pcm T30.0.dat\n", argv[0]);
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exit(1);
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}
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mode=atoi(argv[1]);
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if (mode != 20 && mode != 30) {
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fprintf(stderr,"Wrong mode %s, must be 20, or 30\n", argv[1]);
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exit(2);
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}
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if ( (ifileid=fopen(argv[2],"rb")) == NULL) {
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fprintf(stderr,"Cannot open input file %s\n", argv[2]);
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exit(2);}
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if ( (efileid=fopen(argv[3],"wb")) == NULL) {
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fprintf(stderr, "Cannot open channelfile file %s\n",
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argv[3]); exit(3);}
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if( (ofileid=fopen(argv[4],"wb")) == NULL) {
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fprintf(stderr, "Cannot open output file %s\n",
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argv[4]); exit(3);}
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if ( (chfileid=fopen(argv[5],"rb")) == NULL) {
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fprintf(stderr,"Cannot open channel file file %s\n", argv[5]);
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exit(2);}
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/* print info */
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fprintf(stderr, "\n");
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fprintf(stderr,
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"*---------------------------------------------------*\n");
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fprintf(stderr,
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"* *\n");
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fprintf(stderr,
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"* iLBCtest *\n");
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fprintf(stderr,
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"* *\n");
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fprintf(stderr,
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"* *\n");
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fprintf(stderr,
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"*---------------------------------------------------*\n");
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#ifdef SPLIT_10MS
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fprintf(stderr,"\n10ms split with raw mode: %2d ms\n", mode);
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#else
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fprintf(stderr,"\nMode : %2d ms\n", mode);
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#endif
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fprintf(stderr,"\nInput file : %s\n", argv[2]);
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fprintf(stderr,"Coded file : %s\n", argv[3]);
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fprintf(stderr,"Output file : %s\n\n", argv[4]);
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fprintf(stderr,"Channel file : %s\n\n", argv[5]);
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#ifdef JUNK_DATA
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srand(random_seed);
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if ( (seedfile = fopen(SEED_FILE, "a+t") ) == NULL ) {
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fprintf(stderr, "Error: Could not open file %s\n", SEED_FILE);
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}
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else {
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fprintf(seedfile, "%u\n", random_seed);
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fclose(seedfile);
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}
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#endif
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/* Initialization */
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WebRtcIlbcfix_EncoderInit(Enc_Inst, mode);
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WebRtcIlbcfix_DecoderInit(Dec_Inst, mode);
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/* loop over input blocks */
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#ifdef SPLIT_10MS
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while(fread(data, sizeof(short), 80, ifileid) == 80){
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#else
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while( (short)fread(data,sizeof(short),(mode<<3),ifileid)==(mode<<3)){
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#endif
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blockcount++;
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/* encoding */
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fprintf(stderr, "--- Encoding block %i --- ",blockcount);
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#ifdef SPLIT_10MS
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len=WebRtcIlbcfix_Encode(Enc_Inst, data, 80, encoded_data);
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#else
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len=WebRtcIlbcfix_Encode(Enc_Inst, data, (short)(mode<<3), encoded_data);
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#endif
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fprintf(stderr, "\r");
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#ifdef JUNK_DATA
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for ( i = 0; i < len; i++) {
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encoded_data[i] = (short) (encoded_data[i] + (short) rand());
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}
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#endif
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/* write byte file */
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if(len != 0){ //len may be 0 in 10ms split case
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fwrite(encoded_data,1,len,efileid);
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}
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if(len != 0){ //len may be 0 in 10ms split case
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/* get channel data if provided */
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if (argc==6) {
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if (fread(&pli, sizeof(WebRtc_Word16), 1, chfileid)) {
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if ((pli!=0)&&(pli!=1)) {
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fprintf(stderr, "Error in channel file\n");
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exit(0);
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}
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if (pli==0) {
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/* Packet loss -> remove info from frame */
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memset(encoded_data, 0, sizeof(WebRtc_Word16)*25);
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}
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} else {
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fprintf(stderr, "Error. Channel file too short\n");
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exit(0);
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}
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} else {
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pli=1;
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}
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/* decoding */
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fprintf(stderr, "--- Decoding block %i --- ",blockcount);
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if (pli==1) {
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len=WebRtcIlbcfix_Decode(Dec_Inst, encoded_data, len, data, &speechType);
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} else {
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len=WebRtcIlbcfix_DecodePlc(Dec_Inst, data, 1);
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}
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fprintf(stderr, "\r");
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/* write output file */
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fwrite(data,sizeof(short),len,ofileid);
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}
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}
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#ifdef JUNK_DATA
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if ( (seedfile = fopen(SEED_FILE, "a+t") ) == NULL ) {
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fprintf(stderr, "Error: Could not open file %s\n", SEED_FILE);
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}
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else {
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fprintf(seedfile, "ok\n\n");
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fclose(seedfile);
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}
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#endif
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/* free structs */
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WebRtcIlbcfix_EncoderFree(Enc_Inst);
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WebRtcIlbcfix_DecoderFree(Dec_Inst);
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/* close files */
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fclose(ifileid); fclose(efileid); fclose(ofileid);
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}
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