int opt_help(char *arg, void *data)
{
assert(!arg);
printf(globals.usage, globals.prog);
putchar('\n');
printopts(stdout);
exit(0);
}
static void unknown(const char *arg)
{
fprintf(stderr, "%s: no such option: %s\n", globals.prog, arg);
if (globals.helpsf)
fprintf(stderr, "Try '%s -%c' for more information.\n",
globals.prog, globals.helpsf);
else if (globals.helplf)
fprintf(stderr, "Try '%s %s' for more information.\n",
globals.prog, globals.helplf);
else
printopts(stderr);
exit(EXIT_FAILURE);
}
int main(int argc, char **argv)
{
SNDFILE *sf;
SF_INFO info;
int num_channels;
int num, num_items;
int *buf;
int f,sr,c;
int i,j;
int idx;
FILE *out;
FILE *wo;
char fn[NLEN];
/* Set the program options */
opts * op;
op = godefaults();
mygo(argc,argv,op);
/* Open the WAV file. */
info.format = 0;
sf = sf_open(op->ifn,SFM_READ,&info);
if (sf == NULL){
printf("Failed to open the file \"file.wav\".\n");
exit(-1);
}
/* Print some of the info, and figure out how much data to read. */
f = info.frames;
sr = info.samplerate;
c = info.channels;
printf("frames=%d\n",f);
printf("samplerate=%d, outrate=%d\n",sr,op->out_rate);
printf("channels=%d\n",c);
num_items = f*c;
printf("num_items=%d\n",num_items);
/* Allocate space for the data to be read, then read it. */
buf = (int *) malloc(num_items*sizeof(int));
num = sf_read_int(sf,buf,num_items);
sf_close(sf);
printf("Read %d items\n",num);
/* Write the data to filedata.out. */
out = fopen("filedata.out","w");
if(op->pw){
for (i = 0; i < num; i += c)
{
for (j = 0; j < c; ++j)
fprintf(out,"%d ",buf[i+j]);
fprintf(out,"\n");
}
fclose(out);
}
/* 32 bit stereo to 8-bit mono */
//16384 samplerate needed
//4294967296
float step = (float) sr / (float) op->out_rate;
int outval;
sprintf(fn,"%s.h",op->wvn);
out = fopen(fn,"w");
/* Header info.... */
fprintf(out,"#ifndef %s_H_\n",op->wvn);
fprintf(out,"#define %s_H_\n",op->wvn);
fprintf(out,"\n");
fprintf(out,"#include \"Arduino.h\"\n");
fprintf(out,"#include <avr/pgmspace.h>\n");
fprintf(out,"\n");
fprintf(out,"#define %s_NUM_CELLS 1024\n",op->wvn);
fprintf(out,"#define %s_SAMPLERATE %d\n",op->wvn,NSAMP);
fprintf(out,"const int8_t __attribute__((progmem)) %s_DATA [] = {\n",op->wvn);
for(i=0; i < op->out_num; i++){
//let's print out 10 numbers per row:
for(j=0;j<10;j++){
//Get the index
idx = (float) (i*step*c); //truncates
outval = (float) buf[idx] * 64 / 2147483648;
printf("idx = %d\t inval = %d\t outidx = %d\t outval = %d\n",idx,buf[idx],i,outval);
fprintf(out,"%d",outval);
if(i<(op->out_num)){
fprintf(out,", /* %04d */\n",i);
}
else{
fprintf(out,"};\n\n#endif /* %s_H_ */",op->wvn);
}
if(i==op->out_num)
break;
i++;
}
}
fclose(out);
printopts(op);
if(argc == 1){
printf("\nYou ran moz_samp with no options\ndo: \"moz_samp -h\" for help\n\n");
}
return 0;
}
