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catsound.c
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catsound.c
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#ifdef __STDC__
#include <stdlib.h>
#endif
#include <stdio.h>
#include <math.h>
#include <ctype.h>
#define PI 3.141592653589792434
#define MAXSOUND 1000000 /* 1M should be enough */
int CurrentSoundStart = 0, Length;
int MaxSamples = -1;
float InputGain = 1.0;
float SamplingRate = 22254.5454545454;
float Output[MAXSOUND];
main(argc, argv)
int argc;
char **argv;
{
register int i, j;
float *Buffer;
for (i=1;i<argc;i++){
if (strncmp(argv[i],"-bee",4) == 0){
fprintf(stderr,"Adding a 0.25 second beep.\n");
for (j=0;j<SamplingRate/4.0;j++)
Output[CurrentSoundStart++] =
0.25*sin(j/SamplingRate*400*2*PI);
}
else if (strncmp(argv[i],"-sil",4) == 0){
float Length = 1.0;
if (isdigit(argv[i+1][0])){
Length = atof(argv[++i]);
}
fprintf(stderr, "Adding %g seconds of silence.\n",
Length);
CurrentSoundStart += Length*SamplingRate;
}
else {
extern float *ReadInputFile();
fprintf(stderr,"Reading %s ", argv[i]);
fflush(stderr);
Buffer = ReadInputFile(argv[i], &SamplingRate, &Length);
fprintf(stderr, "(%g seconds at %g samples/sec.)\n",
Length/SamplingRate, SamplingRate);
for (j=0;j<Length;j++)
Output[CurrentSoundStart++] = Buffer[j];
free(Buffer);
}
}
WriteAiffFile("-",SamplingRate, CurrentSoundStart, Output, 1);
/*
WriteADCFile("-", SamplingRate, CurrentSoundStart, Output);
WriteByteFile("-", CurrentSoundStart, Output);
*/
}
float *
NewFloatArray(size,usage)
int size;
char *usage;
{
float *p;
p = (float *)calloc(sizeof(*p),size);
if (!p){
fprintf(stderr,"%s: Can't allocate %ld floats.\n", size);
exit(1);
}
return p;
}