+++ /dev/null
-/*
- * Copyright © 2009 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include <stdio.h>
-#include <flite/flite.h>
-#include "aoview.h"
-#include <alsa/asoundlib.h>
-
-cst_voice *register_cmu_us_kal();
-static cst_voice *voice;
-
-static FILE *pipe_write;
-static GThread *aoview_flite_thread;
-
-static snd_pcm_t *alsa_handle;
-
-gpointer
-aoview_flite_task(gpointer data)
-{
- FILE *input = data;
- char line[1024];
- cst_wave *wave;
- int rate;
- int channels;
- int err;
- char *samples;
- int num_samples;
-
- err = snd_pcm_open(&alsa_handle, "default",
- SND_PCM_STREAM_PLAYBACK, 0);
- if (err >= 0)
- {
- if (err < 0) {
- snd_pcm_close(alsa_handle);
- alsa_handle = 0;
- }
- }
- rate = 0;
- channels = 0;
- while (fgets(line, sizeof (line) - 1, input) != NULL) {
- if (!alsa_handle)
- continue;
- wave = flite_text_to_wave(line, voice);
- if (wave->sample_rate != rate ||
- wave->num_channels != channels)
- {
- rate = wave->sample_rate;
- channels = wave->num_channels;
- err = snd_pcm_set_params(alsa_handle,
- SND_PCM_FORMAT_S16,
- SND_PCM_ACCESS_RW_INTERLEAVED,
- channels,
- rate,
- 1,
- 100000);
- if (err < 0)
- fprintf(stderr, "alsa set_params error %s\n",
- strerror(-err));
- }
- err = snd_pcm_prepare(alsa_handle);
- if (err < 0)
- fprintf(stderr, "alsa pcm_prepare error %s\n",
- strerror(-err));
- samples = (char *) wave->samples;
- num_samples = wave->num_samples;
- while (num_samples > 0) {
- err = snd_pcm_writei(alsa_handle,
- samples, num_samples);
- if (err <= 0) {
- fprintf(stderr, "alsa write error %s\n",
- strerror(-err));
- break;
- }
- num_samples -= err;
- samples += err * 2 * channels;
- }
- snd_pcm_drain(alsa_handle);
- delete_wave(wave);
- }
- snd_pcm_close(alsa_handle);
- alsa_handle = 0;
- return NULL;
-}
-
-void
-aoview_flite_stop(void)
-{
- int status;
- if (pipe_write) {
- fclose(pipe_write);
- pipe_write = NULL;
- }
- if (aoview_flite_thread) {
- g_thread_join(aoview_flite_thread);
- aoview_flite_thread = NULL;
- }
-}
-
-FILE *
-aoview_flite_start(void)
-{
- static once;
- int p[2];
- GError *error;
- FILE *pipe_read;
-
- if (!once) {
- flite_init();
- voice = register_cmu_us_kal();
- if (!voice) {
- perror("register voice");
- exit(1);
- }
- }
- aoview_flite_stop();
- pipe(p);
- pipe_read = fdopen(p[0], "r");
- pipe_write = fdopen(p[1], "w");
- g_thread_create(aoview_flite_task, pipe_read, TRUE, &error);
- return pipe_write;
-}