initial commit
This commit is contained in:
Dan Bastone committed
commit
636959b37b
2474 files changed
+1343178
No files matched your search
+310
@@ -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);
|
||||
}
|
||||
|
||||
Reference in new issue
Block a user