diff options
Diffstat (limited to 'aoview/aoview_flite.c')
| -rw-r--r-- | aoview/aoview_flite.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/aoview/aoview_flite.c b/aoview/aoview_flite.c index bca19043..2673824d 100644 --- a/aoview/aoview_flite.c +++ b/aoview/aoview_flite.c @@ -18,6 +18,7 @@ #include <stdio.h> #include <flite/flite.h> #include "aoview.h" +#include <alsa/asoundlib.h> cst_voice *register_cmu_us_kal(); static cst_voice *voice; @@ -25,14 +26,58 @@ 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; - while (fgets(line, sizeof (line) - 1, input) != NULL) - flite_text_to_speech(line, voice, "play"); + 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; + snd_pcm_set_params(alsa_handle, + SND_PCM_FORMAT_S16, + SND_PCM_ACCESS_RW_INTERLEAVED, + channels, + rate, + 1, + 100000); + } + snd_pcm_prepare(alsa_handle); + err = snd_pcm_writei(alsa_handle, + wave->samples, + wave->num_samples); + if (err < 0) + fprintf(stderr, "alsa write error %s\n", + strerror(-err)); + snd_pcm_drain(alsa_handle); + delete_wave(wave); + } + snd_pcm_close(alsa_handle); + alsa_handle = 0; return NULL; } |