blob: d2c9ba53cc6920dbc612946d3c5ab325f4e25967 [file] [log] [blame]
/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/******************************************************************
iLBC Speech Coder ANSI-C Source Code
iLBC_test.c
******************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "ilbc.h"
/*---------------------------------------------------------------*
* 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
*
*--------------------------------------------------------------*/
#define BLOCKL_MAX 240
#define ILBCNOOFWORDS_MAX 25
int main(int argc, char* argv[])
{
FILE *ifileid,*efileid,*ofileid, *cfileid;
WebRtc_Word16 data[BLOCKL_MAX];
WebRtc_Word16 encoded_data[ILBCNOOFWORDS_MAX], decoded_data[BLOCKL_MAX];
int len;
short pli, mode;
int blockcount = 0;
int packetlosscount = 0;
int frameLen;
WebRtc_Word16 speechType;
iLBC_encinst_t *Enc_Inst;
iLBC_decinst_t *Dec_Inst;
#ifdef __ILBC_WITH_40BITACC
/* Doublecheck that long long exists */
if (sizeof(long)>=sizeof(long long)) {
fprintf(stderr, "40-bit simulation is not be supported on this platform\n");
exit(0);
}
#endif
/* 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 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");
/* Create structs */
WebRtcIlbcfix_EncoderCreate(&Enc_Inst);
WebRtcIlbcfix_DecoderCreate(&Dec_Inst);
/* Initialization */
WebRtcIlbcfix_EncoderInit(Enc_Inst, mode);
WebRtcIlbcfix_DecoderInit(Dec_Inst, mode);
frameLen = mode*8;
/* loop over input blocks */
while (((WebRtc_Word16)fread(data,sizeof(WebRtc_Word16),frameLen,ifileid))==
frameLen) {
blockcount++;
/* encoding */
fprintf(stderr, "--- Encoding block %i --- ",blockcount);
len=WebRtcIlbcfix_Encode(Enc_Inst, data, (WebRtc_Word16)frameLen, encoded_data);
fprintf(stderr, "\r");
/* write byte file */
fwrite(encoded_data, sizeof(WebRtc_Word16), ((len+1)/sizeof(WebRtc_Word16)), efileid);
/* get channel data if provided */
if (argc==6) {
if (fread(&pli, sizeof(WebRtc_Word16), 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(WebRtc_Word16)*ILBCNOOFWORDS_MAX);
packetlosscount++;
}
} else {
fprintf(stderr, "Error. Channel file too short\n");
exit(0);
}
} else {
pli=1;
}
/* decoding */
fprintf(stderr, "--- Decoding block %i --- ",blockcount);
if (pli==1) {
len=WebRtcIlbcfix_Decode(Dec_Inst, encoded_data,
(WebRtc_Word16)len, decoded_data,&speechType);
} else {
len=WebRtcIlbcfix_DecodePlc(Dec_Inst, decoded_data, 1);
}
fprintf(stderr, "\r");
/* write output file */
fwrite(decoded_data,sizeof(WebRtc_Word16),len,ofileid);
}
/* close files */
fclose(ifileid); fclose(efileid); fclose(ofileid);
if (argc==6) {
fclose(cfileid);
}
/* Free structs */
WebRtcIlbcfix_EncoderFree(Enc_Inst);
WebRtcIlbcfix_DecoderFree(Dec_Inst);
printf("\nDone with simulation\n\n");
return(0);
}