AUICH_STATE_STARTED
stream->state |= AUICH_STATE_STARTED;
stream->state &= ~AUICH_STATE_STARTED;
stream->state = !AUICH_STATE_STARTED;
if (!(card->pstream->state & AUICH_STATE_STARTED))
if (!(card->rstream->state & AUICH_STATE_STARTED))
(pstream->state & AUICH_STATE_STARTED) == 0)
(rstream->state & AUICH_STATE_STARTED) == 0)