/* Voice thread message processing */
static enum voice_state voice_message(struct voice_thread_data *td)
{
if (quiet_counter > 0)
queue_wait_w_tmo(&voice_queue, &td->ev, HZ/10);
else
queue_wait(&voice_queue, &td->ev);
switch (td->ev.id)
{
case Q_VOICE_PLAY:
LOGFQUEUE("voice < Q_VOICE_PLAY");
if (quiet_counter == 0)
{
/* Boost CPU now */
trigger_cpu_boost();
}
else
{
/* Stop any clip still playing */
voice_stop_playback();
}
quiet_counter = QUIET_COUNT;
/* Copy the clip info */
td->vi = *(struct voice_info *)td->ev.data;
/* Be sure audio buffer is initialized */
audio_restore_playback(AUDIO_WANT_VOICE);
/* We need nothing more from the sending thread - let it run */
queue_reply(&voice_queue, 1);
/* Make audio play more softly and set delay to return to normal
playback level */
pcmbuf_soft_mode(true);
/* Clean-start the decoder */
td->st = speex_decoder_init(&speex_wb_mode);
/* Make bit buffer use our own buffer */
speex_bits_set_bit_buffer(&td->bits, td->vi.start, td->vi.size);
speex_decoder_ctl(td->st, SPEEX_GET_LOOKAHEAD, &td->lookahead);
return VOICE_STATE_DECODE;
case SYS_TIMEOUT:
if (voice_unplayed_frames())
{
/* Waiting for PCM to finish */
break;
}
/* Drop through and stop the first time after clip runs out */
if (quiet_counter-- != QUIET_COUNT)
{
if (quiet_counter <= 0)
pcmbuf_soft_mode(false);
break;
}
/* Fall-through */
case Q_VOICE_STOP:
LOGFQUEUE("voice < Q_VOICE_STOP");
cancel_cpu_boost();
voice_stop_playback();
break;
/* No default: no other message ids are sent */
}
return VOICE_STATE_MESSAGE;
}
/* Voice thread message processing */
static void voice_message(struct voice_thread_data *td)
{
while (1)
{
switch (td->ev.id)
{
case Q_VOICE_PLAY:
LOGFQUEUE("voice < Q_VOICE_PLAY");
/* Put up a block for completion signal */
voice_done = false;
/* Copy the clip info */
td->vi = *(struct voice_info *)td->ev.data;
/* Be sure audio buffer is initialized */
audio_restore_playback(AUDIO_WANT_VOICE);
/* We need nothing more from the sending thread - let it run */
queue_reply(&voice_queue, 1);
if (td->state == TSTATE_STOPPED)
{
/* Boost CPU now */
trigger_cpu_boost();
}
else if (!playback_is_playing())
{
/* Just voice, stop any clip still playing */
pcmbuf_play_stop();
}
/* Clean-start the decoder */
td->st = speex_decoder_init(&speex_wb_mode);
/* Make bit buffer use our own buffer */
speex_bits_set_bit_buffer(&td->bits, td->vi.start, td->vi.size);
speex_decoder_ctl(td->st, SPEEX_GET_LOOKAHEAD, &td->lookahead);
td->state = TSTATE_DECODE;
return;
case Q_VOICE_STOP:
LOGFQUEUE("voice < Q_VOICE_STOP: %ld", td->ev.data);
if (td->ev.data != 0 && !playback_is_playing())
{
/* If not playing, it's just voice so stop pcm playback */
pcmbuf_play_stop();
}
/* Cancel boost */
cancel_cpu_boost();
td->state = TSTATE_STOPPED;
voice_done = true;
break;
case Q_VOICE_STATE:
LOGFQUEUE("voice < Q_VOICE_STATE");
queue_reply(&voice_queue, td->state);
if (td->state == TSTATE_STOPPED)
break; /* Not in a playback state */
return;
default:
/* Default messages get a reply and thread continues with no
* state transition */
LOGFQUEUE("voice < default");
if (td->state == TSTATE_STOPPED)
break; /* Not in playback state */
queue_reply(&voice_queue, 0);
return;
}
queue_wait(&voice_queue, &td->ev);
}
}