Mercurial > pygar
view modules/bluespec/Pygar/core/SndfileWavUtil.cpp @ 57:b5be746a0d74 pygar svn.58
[svn r58] removed throttle in main
author | punk |
---|---|
date | Mon, 10 May 2010 12:17:52 -0400 |
parents | 6d461680c6d9 |
children |
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1 #include <stdlib.h>2 #include <string.h>3 #include <errno.h>4 #include <math.h>5 #include <sndfile.h>6 #include "SndfileWavUtil.h"8 void9 generate_wav(const char * pcmfilename, const char * samplewavfilename, const char * outputwavfilename)10 {11 char outfilename[2048];12 SNDFILE * outfile ;13 SNDFILE * wavfile ;14 SNDFILE * pcmfile ;15 SF_INFO wavinfo ;16 SF_INFO pcminfo ;17 int buff;18 SF_INSTRUMENT inst ;20 memset (&wavinfo, 0, sizeof (wavinfo)) ;23 wavfile = sf_open(samplewavfilename, SFM_READ, &wavinfo);25 if (wavfile == NULL){26 printf ("\nERROR : Not able to open wav file named '%s' : %s/\n", samplewavfilename, sf_strerror (NULL)) ;27 exit (1) ;28 } ;30 printf("WAV format: %x\n", wavinfo.format);32 if (!((wavinfo.format & SF_FORMAT_PCM_16) && (wavinfo.channels == 1) &&33 (wavinfo.format & SF_FORMAT_WAV))){34 printf("\nERROR : .wav file must be SF_FORMAT_PCM_16 in mono\n");35 }37 pcminfo.format = SF_FORMAT_RAW | SF_FORMAT_PCM_16;38 pcminfo.samplerate = wavinfo.samplerate;39 pcminfo.channels = wavinfo.channels;41 pcmfile = sf_open(pcmfilename, SFM_READ, &pcminfo);43 if (pcmfile == NULL){44 printf ("\nERROR : Not able to open pcm file named '%s' : %s/\n", pcmfilename, sf_strerror (NULL)) ;45 exit (1) ;46 } ;50 outfile = sf_open(outputwavfilename, SFM_WRITE, &wavinfo);52 memset (&inst, 0, sizeof (inst)) ;54 for(int i = SF_STR_FIRST; i <= SF_STR_LAST; i = i + 1) {55 const char * str = sf_get_string(wavfile,i);56 if(str != NULL) {57 sf_set_string(outfile,i,str);58 }59 }61 if (outfile == NULL){62 printf ("\nERROR : Not able to create wav file named '%s' : %s/\n", outfilename, sf_strerror (NULL)) ;63 exit (1) ;64 } ;66 while(sf_read_int(pcmfile, &buff, 1) == 1){67 if(sf_write_int(outfile, &buff, 1) != 1){68 printf("\nERROR : unable to write to '%s' : %s/\n", outfilename, sf_strerror(NULL));69 }70 }72 sf_close (wavfile) ;73 sf_close (outfile) ;74 sf_close (pcmfile) ;76 }79 void80 generate_pcm (const char * wavfilename, const char * pcmfilename)81 {82 SNDFILE * wavfile ;83 SNDFILE * pcmfile ;84 SF_INFO wavinfo ;85 SF_INFO pcminfo ;86 int buff;88 memset (&wavinfo, 0, sizeof (wavinfo)) ;89 memset (&pcminfo, 0, sizeof (pcminfo)) ;91 wavfile = sf_open (wavfilename, SFM_READ, &wavinfo) ;93 if (wavfile == NULL){94 printf ("\nERROR : Not able to open wav file named '%s' : %s/\n", wavfilename, sf_strerror (NULL)) ;95 exit (1) ;96 } ;98 pcminfo.format = SF_FORMAT_RAW | SF_FORMAT_PCM_16;99 pcminfo.samplerate = wavinfo.samplerate;100 pcminfo.channels = wavinfo.channels;102 if ((!wavinfo.format & SF_FORMAT_PCM_16) || (!wavinfo.channels == 1)){103 printf("\nERROR : .wav file must be SF_FORMAT_PCM_16 and mono\n");104 }106 pcmfile = sf_open (pcmfilename, SFM_WRITE, &pcminfo) ;108 if (pcmfile == NULL){109 printf ("\nERROR : Not able to create pcm file named '%s' : %s/\n", pcmfilename, sf_strerror (NULL)) ;110 exit (1) ;111 } ;113 while(sf_read_int(wavfile, &buff, 1) == 1){114 if(sf_write_int(pcmfile, &buff, 1) != 1){115 printf("\nERROR : unable to write to '%s' : %s/\n", pcmfilename, sf_strerror(NULL));116 }117 }119 sf_close (wavfile) ;120 sf_close (pcmfile) ;121 }