ref: 6bc1cdd62c79c27c771421dbbf7b8fe19d733a42
dir: /testsuite/by_word_main.c/
/*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 2010 */
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/*************************************************************************/
/* Author: Alan W Black (awb@cs.cmu.edu) */
/* Date: May 2010 */
/*************************************************************************/
/* */
/* Streaming and events */
/* Outputs the token as it is spoken */
/* If the token doesn't give rise to speech -- it wont be outputed */
/*************************************************************************/
#include <stdio.h>
#include <string.h>
#include "flite.h"
cst_voice *register_cmu_us_kal();
int audio_stream_chunk_by_word(const cst_wave *w, int start, int size,
int last, cst_audio_streaming_info *asi)
{
/* Called with new samples from start for size samples */
/* last is true if this is the last segment. */
/* This is really just an example that you can copy for your streaming */
/* function */
/* This particular example is *not* thread safe */
int n;
static cst_audiodev *ad = 0;
float start_time;
int start_sample;
const char *ws, *prepunc, *token, *postpunc;
/* printf("in by word streaming\n"); */
if (start == 0)
ad = audio_open(w->sample_rate,w->num_channels,CST_AUDIO_LINEAR16);
if (asi->item == NULL)
asi->item = relation_head(utt_relation(asi->utt,"Token"));
if (asi->item)
{
start_time = flite_ffeature_float(asi->item,"R:Token.daughter1.R:SylStructure.daughter1.daughter1.R:Segment.p.end");
start_sample = (int)(start_time * (float)w->sample_rate);
/* printf("start_time %f start_sample %d start %d\n",
start_time,start_sample,start); */
if ((start_sample >= start) &&
(start_sample < start+size))
{
ws = flite_ffeature_string(asi->item,"whitespace");
prepunc = flite_ffeature_string(asi->item,"prepunctuation");
if (cst_streq("0",prepunc))
prepunc = "";
token = flite_ffeature_string(asi->item,"name");
postpunc = flite_ffeature_string(asi->item,"punc");
if (cst_streq("0",postpunc))
postpunc = "";
printf("%s%s%s%s",ws,prepunc,token,postpunc);
fflush(stdout);
asi->item = item_next(asi->item);
}
}
n = audio_write(ad,&w->samples[start],size*sizeof(short));
if (last == 1)
{
audio_close(ad);
asi->item = NULL;
ad = NULL;
}
/* if you want to stop return CST_AUDIO_STREAM_STOP */
return CST_AUDIO_STREAM_CONT;
}
int main(int argc, char **argv)
{
cst_voice *v;
cst_audio_streaming_info *asi;
if (argc != 2)
{
fprintf(stderr,"usage: TEXTFILE\n");
return 1;
}
flite_init();
v = register_cmu_us_kal();
asi = new_audio_streaming_info();
asi->asc = audio_stream_chunk_by_word;
feat_set(v->features,"streaming_info",audio_streaming_info_val(asi));
flite_file_to_speech(argv[1],v,"none"); /* streaming will play */
return 0;
}