/* 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;
}
Пример #2
0
/* 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);
    }
}