Mercurial > pygar
view tools/audio_processor_test/compare_wavs/compare_wavs.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>9 int10 do_check (int drop, int argc, char * argv [])11 {12 int margin_of_error;13 SNDFILE* goldenWavFile;14 SNDFILE* outputWavFile;15 SF_INFO goldenInfo ;16 SF_INFO outputInfo ;17 short int buffA;18 short int buffB;20 memset (&goldenInfo, 0, sizeof (goldenInfo)) ;21 memset (&outputInfo, 0, sizeof (outputInfo)) ;23 margin_of_error = atoi(argv[1]);25 printf("Checking for Margin of Error %d\n", margin_of_error);27 goldenWavFile = sf_open(argv[2], SFM_READ, &goldenInfo);28 if (goldenWavFile == NULL){29 printf ("\nERROR : failed Not able to open wav file named '%s' : %s/\n", argv[2], sf_strerror (NULL)) ;30 exit (1) ;31 }33 outputWavFile = sf_open(argv[3], SFM_READ, &outputInfo);34 if (outputWavFile == NULL){35 printf ("\nERROR : failed Not able to open wav file named '%s' : %s/\n", argv[3], sf_strerror (NULL)) ;36 exit (1) ;37 }39 int max_diff = 0;41 // it is possible that the modified pipeline might introduce a few42 // dummy tokens at the beginning of the stream, we'll just drop them43 for(int i = 0; i < drop; i++){44 sf_read_short(outputWavFile, &buffB, 1);45 }47 int count=0;49 while(sf_read_short(goldenWavFile, &buffA, 1)==1){51 if(sf_read_short(outputWavFile, &buffB, 1) != 1){52 // the streams are of different length53 printf("failed (length)\n");54 exit(0);55 }57 int td = (buffA > buffB) ? (buffA - buffB) : (buffB - buffA);58 max_diff = (td > max_diff) ? td : max_diff;60 if(max_diff > margin_of_error){61 printf("max_diff %x on drop %d (count %d)\n", max_diff, drop,count);62 return 1;63 }65 count++;66 }68 printf("max_diff %x on drop %d\n", max_diff, drop);70 if(max_diff > margin_of_error)71 return 1;72 else73 return 0;74 }76 int77 main(int argc, char* argv[])78 {79 for(int drop = 0; drop < 10; drop++){80 if(do_check(drop, argc, argv)==0){81 printf("passed on drop %d\n", drop);82 exit(0);83 }84 }85 printf("failed\n");86 exit(1);87 }