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119 lines
4.6 KiB
119 lines
4.6 KiB
/*
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postFilterTest.c
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Copyright (C) 2011 Belledonne Communications, Grenoble, France
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Author : Johan Pascal
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*****************************************************************************/
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/* */
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/* Test Program for postFilter */
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/* Input: - LPCoefficients: 10 LP coeff for current subframe(in Q12) */
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/* - reconstructedSpeech: output of LP Synthesis */
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/* 50 values in Q0: need 10 values of previous subframe */
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/* buffer is accessed in range [-10, 39] */
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/* - intPitchDelay: the integer part of Pitch Delay(in Q0) */
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/* - subframeIndex: 0 or L_SUBFRAME for subframe 0 or 1 */
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/* - residualSignal: 143+40 values of previous frames computation */
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/* */
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/* Ouput: - long term postfilered signal (40 values in Q0) */
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/* */
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/*****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "typedef.h"
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#include "codecParameters.h"
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#include "testUtils.h"
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#include "postFilter.h"
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int main(int argc, char *argv[] )
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{
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/*** get calling argument ***/
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char *filePrefix;
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getArgument(argc, argv, &filePrefix); /* check argument and set filePrefix if needed */
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/*** input and output file pointers ***/
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FILE *fpInput;
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FILE *fpOutput;
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/*** input and output buffers ***/
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/* input file: 10 LP Coefficients(Q12), 50 reconstructedSpeech, intPitchDelay (Q0), subframeIndex(0/40) */
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word16_t LP[NB_LSP_COEFF];
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word16_t reconstructedSpeech[NB_LSP_COEFF+L_SUBFRAME]; /* in Q0, output of the LP synthesis filter, the first 10 words store the previous subframe output */
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int16_t intPitchDelay;
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int16_t subframeIndex;
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/* output postFiltered signal(40 values in Q0) */
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word16_t postFilteredSignal[L_SUBFRAME];
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/*** inits ***/
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/* open the input file */
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if ( (fpInput = fopen(argv[1], "r")) == NULL) {
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printf("%s - Error: can't open file %s\n", argv[0], argv[1]);
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exit(-1);
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}
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/* create the output file(filename is the same than input file with the .out extension) */
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char *outputFile = malloc((strlen(filePrefix)+5)*sizeof(char));
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sprintf(outputFile, "%s.out",filePrefix);
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if ( (fpOutput = fopen(outputFile, "w")) == NULL) {
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printf("%s - Error: can't create file %s\n", argv[0], outputFile);
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exit(-1);
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}
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/*** init of the tested bloc ***/
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/* create the context structure */
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bcg729DecoderChannelContextStruct *decoderChannelContext = malloc(sizeof(bcg729DecoderChannelContextStruct));
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initPostFilter(decoderChannelContext);
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/* initialise buffers */
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/* past reconstructedSpeech values shall be initialised, but we read them directly from input file */
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/*** initialisation complete ***/
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/*** loop over input file ***/
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while(1) /* infinite loop, escape condition is in the reading of data */
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{
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int i;
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/* read the input data as long as we find some */
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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;
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for (i=0; i<L_SUBFRAME+NB_LSP_COEFF; i++) {
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if (fscanf(fpInput,",%hd",&(reconstructedSpeech[i])) != 1) break;
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}
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if (fscanf(fpInput,",%hd",&intPitchDelay) != 1) break;
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if (fscanf(fpInput,",%hd",&subframeIndex) != 1) break;
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/* call the tested funtion */
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postFilter(decoderChannelContext, LP, &(reconstructedSpeech[NB_LSP_COEFF]), intPitchDelay, subframeIndex, postFilteredSignal);
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/* write the output to the output file */
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fprintf(fpOutput,"%d", postFilteredSignal[0]);
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for (i=1; i<L_SUBFRAME; i++) {
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fprintf(fpOutput,",%d", postFilteredSignal[i]);
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}
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fprintf(fpOutput,"\n");
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}
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exit (0);
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}
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