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114 lines
4.3 KiB
114 lines
4.3 KiB
/*
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interpolateqLSPAndConvert2LPTest.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 interpolateqLSP and qLSP2LP Blocs */
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/* Input: 10 qLSP coefficients in word16_t format in Q0.15 */
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/* a text CSV file, 10 values on each row. */
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/* Ouput: the 10 LP coefficients for first and second subframe */
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/* 20 elements vectors in a text CSV file */
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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 "interpolateqLSP.h"
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#include "qLSP2LP.h"
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/* buffers allocation */
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static word16_t previousqLSP[NB_LSP_COEFF];
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static const word16_t previousqLSPInitialValues[NB_LSP_COEFF] = {30000, 26000, 21000, 15000, 8000, 0, -8000,-15000,-21000,-26000}; /* in Q0.15 the initials values for the previous qLSP buffer */
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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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word16_t inputBuffer[NB_LSP_COEFF]; /* input buffer: an array containing the 10 qLSP coefficients for the current frame */
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word16_t outputBuffer[2*NB_LSP_COEFF]; /* output buffer: the LP coefficients in Q2.13 for subframe 1 and 2 (20 LP coefficients)*/
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word16_t interpolatedqLSP[NB_LSP_COEFF]; /* the interpolated qLSP used to produce 1st subframe LP */
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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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/* initialise buffers */
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memcpy(previousqLSP, previousqLSPInitialValues, NB_LSP_COEFF*sizeof(word16_t)); /* initialise the previousqLSP buffer */
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/*** initialisation complete ***/
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/*** loop over input file ***/
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while(fscanf(fpInput, "%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd,%hd", &(inputBuffer[0]), &(inputBuffer[1]), &(inputBuffer[2]), &(inputBuffer[3]), &(inputBuffer[4]), &(inputBuffer[5]), &(inputBuffer[6]), &(inputBuffer[7]), &(inputBuffer[8]), &(inputBuffer[9]))==10)
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{ /* input buffer contains current qLSP */
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/* call the interpolate function, result will be stored in the interpolatedqLSP buffer */
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interpolateqLSP(previousqLSP, inputBuffer, interpolatedqLSP);
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int i;
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/* copy the currentqLSP to previousqLSP buffer */
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for (i=0; i<NB_LSP_COEFF; i++) {
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previousqLSP[i] = inputBuffer[i];
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}
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/* call the qLSP2LP function for first subframe */
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qLSP2LP(interpolatedqLSP, outputBuffer);
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/* call the qLSP2LP function for second subframe */
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qLSP2LP(inputBuffer, &(outputBuffer[NB_LSP_COEFF]));
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/* write the output to the output file */
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fprintf(fpOutput,"%d",outputBuffer[0]);
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for (i=1; i<2*NB_LSP_COEFF; i++) {
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fprintf(fpOutput,",%d",outputBuffer[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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