void synth_one_frame(kiss_fft_cfg fft_inv_cfg, short buf[], MODEL *model, float Sn_[], float Pn[], int prede, float *de_mem, float gain)
{
int i;
synthesise(fft_inv_cfg, Sn_, model, Pn, 1);
if (prede)
de_emp(Sn_, Sn_, de_mem, N);
for(i=0; i<N; i++) {
Sn_[i] *= gain;
if (Sn_[i] > 32767.0)
buf[i] = 32767;
else if (Sn_[i] < -32767.0)
buf[i] = -32767;
else
buf[i] = Sn_[i];
}
}
int main(int argc, char *argv[]) {
FILE *fin, *fout;
short buf[N];
float Sn[N], Sn_de[N];
float de_mem = 0.0;
int i;
if (argc != 3) {
printf("usage: de InputRawSpeechFile OutputRawSpeechFile\n");
printf("e.g de input.raw output.raw");
exit(1);
}
if (strcmp(argv[1], "-") == 0) fin = stdin;
else if ( (fin = fopen(argv[1],"rb")) == NULL ) {
fprintf(stderr, "Error opening input speech file: %s: %s.\n",
argv[1], strerror(errno));
exit(1);
}
if (strcmp(argv[2], "-") == 0) fout = stdout;
else if ( (fout = fopen(argv[2],"wb")) == NULL ) {
fprintf(stderr, "Error opening output speech file: %s: %s.\n",
argv[2], strerror(errno));
exit(1);
}
while(fread(buf, sizeof(short), N, fin) == N) {
for(i=0; i<N; i++)
Sn[i] = buf[i];
de_emp(Sn_de, Sn, &de_mem, N);
for(i=0; i<N; i++)
buf[i] = Sn_de[i];
fwrite(buf, sizeof(short), N, fout);
}
fclose(fin);
fclose(fout);
return 0;
}