2 * Copyright © 2009 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 #include <flite/flite.h>
21 #include <alsa/asoundlib.h>
23 cst_voice *register_cmu_us_kal16();
24 cst_voice *register_cmu_us_kal();
26 static cst_voice *voice;
28 static FILE *pipe_write;
29 static GThread *aoview_flite_thread;
31 static snd_pcm_t *alsa_handle;
34 aoview_flite_task(gpointer data)
45 err = snd_pcm_open(&alsa_handle, "default",
46 SND_PCM_STREAM_PLAYBACK, 0);
48 fprintf(stderr, "alsa open failed %s\n",
54 while (fgets(line, sizeof (line) - 1, input) != NULL) {
57 wave = flite_text_to_wave(line, voice);
58 if (wave->sample_rate != rate ||
59 wave->num_channels != channels)
61 rate = wave->sample_rate;
62 channels = wave->num_channels;
63 err = snd_pcm_set_params(alsa_handle,
65 SND_PCM_ACCESS_RW_INTERLEAVED,
71 fprintf(stderr, "alsa set_params error %s\n",
74 err = snd_pcm_prepare(alsa_handle);
76 fprintf(stderr, "alsa pcm_prepare error %s\n",
78 samples = (char *) wave->samples;
79 num_samples = wave->num_samples;
80 while (num_samples > 0) {
81 err = snd_pcm_writei(alsa_handle,
82 samples, num_samples);
84 fprintf(stderr, "alsa write error %s\n",
89 samples += err * 2 * channels;
91 snd_pcm_drain(alsa_handle);
94 snd_pcm_close(alsa_handle);
100 aoview_flite_stop(void)
107 if (aoview_flite_thread) {
108 g_thread_join(aoview_flite_thread);
109 aoview_flite_thread = NULL;
114 aoview_flite_start(void)
123 #if HAVE_REGISTER_CMU_US_KAL16
124 voice = register_cmu_us_kal16();
126 #if HAVE_REGISTER_CMU_US_KAL
127 voice = register_cmu_us_kal();
131 perror("register voice");
137 pipe_read = fdopen(p[0], "r");
138 pipe_write = fdopen(p[1], "w");
139 g_thread_create(aoview_flite_task, pipe_read, TRUE, &error);