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/*
LPSynthesisFilterTest.c
Copyright (C) 2011 Belledonne Communications, Grenoble, France
Author : Johan Pascal
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*****************************************************************************/
/* */
/* Test Program for LPSynthesisFilter bloc */
/* Input: - */
/* */
/* Ouput: - */
/* */
/*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "typedef.h"
#include "codecParameters.h"
#include "testUtils.h"
#include "LPSynthesisFilter.h"
int main(int argc, char *argv[] )
{
/*** get calling argument ***/
char *filePrefix;
getArgument(argc, argv, &filePrefix); /* check argument and set filePrefix if needed */
/*** input and output file pointers ***/
FILE *fpInput;
FILE *fpOutput;
/*** input and output buffers ***/
/* input file: 10 LP Coefficients(Q12), 40 ExcitationVector(Q0), 10 past reconstructed speech(Q0) */
word16_t LP[NB_LSP_COEFF];
word16_t excitationVector[L_SUBFRAME]; /* this vector contains the subframe excitation vector in Q0 */
/* output is in the reconstruted speech: for the test purpose it's long just memory+subframe */
word16_t reconstructedSpeech[NB_LSP_COEFF+L_SUBFRAME]; /* in Q0, output of the LP synthesis filter, the first 10 words store the previous frame output */
/*** inits ***/
/* open the input file */
if ( (fpInput = fopen(argv[1], "r")) == NULL) {
printf("%s - Error: can't open file %s\n", argv[0], argv[1]);
exit(-1);
}
/* create the output file(filename is the same than input file with the .out extension) */
char *outputFile = malloc((strlen(filePrefix)+5)*sizeof(char));
sprintf(outputFile, "%s.out",filePrefix);
if ( (fpOutput = fopen(outputFile, "w")) == NULL) {
printf("%s - Error: can't create file %s\n", argv[0], outputFile);
exit(-1);
}
/*** init of the tested bloc ***/
/* initialise buffers */
/*** initialisation complete ***/
/*** loop over input file ***/
while(1) /* infinite loop, escape condition is in the reading of data */
{
int i;
/* read the input data until we have some */
if (fscanf(fpInput,"%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd",&LP[0],&LP[1],&LP[2],&LP[3],&LP[4],&LP[5],&LP[6],&LP[7],&LP[8],&LP[9]) != 10) break;
for (i=0; i<L_SUBFRAME; i++) {
if (fscanf(fpInput,",%hd",&(excitationVector[i])) != 1) break;
}
if (fscanf(fpInput,",%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd",&reconstructedSpeech[0],&reconstructedSpeech[1],&reconstructedSpeech[2],&reconstructedSpeech[3],&reconstructedSpeech[4],&reconstructedSpeech[5],&reconstructedSpeech[6],&reconstructedSpeech[7],&reconstructedSpeech[8],&reconstructedSpeech[9]) != 10) break;
/* call the tested funtion */
LPSynthesisFilter(excitationVector, LP, &(reconstructedSpeech[NB_LSP_COEFF]));
/* write the output to the output file */
fprintf(fpOutput,"%d",reconstructedSpeech[NB_LSP_COEFF]);
for (i=1; i<L_SUBFRAME; i++) {
fprintf(fpOutput,",%d", reconstructedSpeech[NB_LSP_COEFF+i]);
}
fprintf(fpOutput,"\n");
}
exit (0);
}