C++ (Cpp) AFMT_BIT Examples

Example #1

File: bcm2835_audio.c Project: fengsi/freebsd

static void
bcm2835_audio_update_params(struct bcm2835_audio_info *sc, struct bcm2835_audio_chinfo *ch)
{
	VC_AUDIO_MSG_T m;
	int ret;

	VCHIQ_VCHI_LOCK(sc);
	if (sc->vchi_handle != VCHIQ_SERVICE_HANDLE_INVALID) {
		vchi_service_use(sc->vchi_handle);

		sc->msg_result = -1;

		m.type = VC_AUDIO_MSG_TYPE_CONFIG;
		m.u.config.channels = AFMT_CHANNEL(ch->fmt);
		m.u.config.samplerate = ch->spd;
		m.u.config.bps = AFMT_BIT(ch->fmt);

		ret = vchi_msg_queue(sc->vchi_handle,
		    &m, sizeof m, VCHI_FLAGS_BLOCK_UNTIL_QUEUED, NULL);

		if (ret != 0)
			printf("%s: vchi_msg_queue failed (err %d)\n", __func__, ret);

		mtx_lock(&sc->msg_avail_lock);
		cv_wait_sig(&sc->msg_avail_cv, &sc->msg_avail_lock);
		if (sc->msg_result)
			printf("%s failed: %d\n", __func__, sc->msg_result);
		mtx_unlock(&sc->msg_avail_lock);

		vchi_service_release(sc->vchi_handle);
	}
	VCHIQ_VCHI_UNLOCK(sc);
}

Example #2

File: bcm2835_audio.c Project: 2trill2spill/freebsd

static void
bcm2835_audio_update_params(struct bcm2835_audio_info *sc, uint32_t fmt, uint32_t speed)
{
	VC_AUDIO_MSG_T m;
	int ret;

	if (sc->vchi_handle != VCHIQ_SERVICE_HANDLE_INVALID) {
		m.type = VC_AUDIO_MSG_TYPE_CONFIG;
		m.u.config.channels = AFMT_CHANNEL(fmt);
		m.u.config.samplerate = speed;
		m.u.config.bps = AFMT_BIT(fmt);

		ret = vchi_msg_queue(sc->vchi_handle,
		    &m, sizeof m, VCHI_FLAGS_BLOCK_UNTIL_QUEUED, NULL);

		if (ret != 0)
			printf("%s: vchi_msg_queue failed (err %d)\n", __func__, ret);
	}
}