Mercurial > pygar
view tools/audio_processor_test/gen_tone/gen_tone.cpp @ 25:220c14f5963c pygar svn.26
[svn r26] Not fully connected but passes audio successfully
author | punk |
---|---|
date | Wed, 28 Apr 2010 12:01:37 -0400 |
parents | 90197e3375e2 |
children |
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1 #include <stdio.h>2 #include <assert.h>3 #include <string.h>4 #include <sndfile.h>5 #include <stdlib.h>6 #include "SndfileWavUtil.h"8 // foreward declaration. This is defined in DFT.cpp9 int DFT(int dir,int m,double *x1,double *y1);11 const int Points = 8;13 int14 do_gen (int argc, char * argv [])15 {16 int frames;17 int targ_freqA;18 int targ_freqB;19 char* refWavFile;20 char* outWavFile;21 FILE* outPCM;22 const int short_sz = sizeof(short int);24 frames = atoi(argv[1]);25 targ_freqA = atoi(argv[2]);26 targ_freqB = atoi(argv[3]);27 refWavFile = argv[4];28 outWavFile = argv[5];30 outPCM = fopen("output.pcm", "w");32 printf("targ_freqA %d\ntarg_freqB %d\nframes %d\n", targ_freqA, targ_freqB, frames);34 while(frames-- > 0){36 double dreal[Points];37 double dimag[Points];39 for(int i = 0; i < Points; i++)40 dreal[i] = (i == targ_freqA) ? 1000 : (i == targ_freqB) ? 1000 : 0;41 for(int i = 0; i < Points; i++)42 dimag[i] = 0.0;44 DFT(-1,Points,dreal,dimag);46 for(int i = 0; i < Points; i++){47 short int rv = (int)dreal[i];48 assert(fwrite(&rv,short_sz,1,outPCM));49 }51 }53 fclose(outPCM);55 generate_wav("output.pcm", refWavFile, outWavFile);56 }58 int59 main(int argc, char* argv[])60 {61 do_gen(argc, argv);62 exit(1);63 }