cst_wave *flite_text_to_wave(const char *text, cst_voice *voice)
{
cst_utterance *u;
cst_wave *w;
if ((u = flite_synth_text(text,voice)) == NULL)
return NULL;
w = copy_wave(utt_wave(u));
delete_utterance(u);
return w;
}
void test_copy(void)
{
cst_voice *v = NULL;
cst_wave *w1, *w2;
common_init();
v = mimic_voice_select(A_VOICE);
w1 = mimic_text_to_wave("Hello", v);
w2 = copy_wave(w1);
TEST_CHECK(w1 != w2);
TEST_CHECK(w1->num_samples == w2->num_samples);
TEST_CHECK(w1->sample_rate == w2->sample_rate);
TEST_CHECK(w1->num_channels == w2->num_channels);
TEST_CHECK(w1->samples != w2->samples);
TEST_CHECK(w1->samples[0] == w2->samples[0]);
TEST_CHECK(w1->samples[10] == w2->samples[10]);
TEST_CHECK(w1->samples[20] == w2->samples[20]);
delete_wave(w1);
delete_wave(w2);
}
int main(int argc, char **argv)
{
cst_wave *in, *out;
cst_val *files;
cst_features *args;
int i,j;
int w, a, t;
args = new_features();
files =
cst_args(argv,argc,
"usage: dcoffset_wave OPTIONS\n"
"Subtract window average from waveform\n"
"-i <string> Input waveform\n"
"-o <string> Output waveform\n"
"-w <int> Window size (in samples)\n",
args);
w = flite_get_param_int(args,"-w",20);
in = new_wave();
cst_wave_load_riff(in,flite_get_param_string(args,"-i","-"));
out = copy_wave(in);
for (i=0; i<=out->num_samples; i++)
{
for (t=a=0,j=i-w/2; j < i+w/2; j++)
{
if ((j > 0) && (j < out->num_samples))
{
t += 1;
a+=in->samples[j];
}
}
/* printf("%d %d %d %d %d\n",i,out->samples[i],a/t,t,out->samples[i]-a/t); */
out->samples[i] -= a/t;
}
cst_wave_save_riff(out,flite_get_param_string(args,"-o","-"));
return 0;
}
