C++ (Cpp) cras_iodev_set_active_node Examples

Example #1

File: cras_loopback_iodev.c Project: dgreid/adhd

struct cras_iodev *loopback_iodev_create(enum CRAS_LOOPBACK_TYPE type)
{
	struct cras_iodev *iodev;
	struct cras_ionode *node;
	enum CRAS_NODE_TYPE node_type;

	switch (type) {
	case LOOPBACK_POST_MIX_PRE_DSP:
		node_type = CRAS_NODE_TYPE_POST_MIX_PRE_DSP;
		break;
	case LOOPBACK_POST_DSP:
		node_type = CRAS_NODE_TYPE_POST_DSP;
		break;
	default:
		return NULL;
	}

	iodev = create_loopback_iodev(type);
	if (iodev == NULL)
		return NULL;

	/* Create a dummy ionode */
	node = (struct cras_ionode *)calloc(1, sizeof(*node));
	node->dev = iodev;
	node->type = node_type;
	node->plugged = 1;
	node->volume = 100;
	node->stable_id = iodev->info.stable_id;
	node->stable_id_new = iodev->info.stable_id_new;
	node->software_volume_needed = 0;
	node->max_software_gain = 0;
	strcpy(node->name, loopdev_names[type]);
	cras_iodev_add_node(iodev, node);
	cras_iodev_set_active_node(iodev, node);

	cras_iodev_list_add_input(iodev);

	return iodev;
}

Example #2

struct cras_iodev *hfp_iodev_create(
		enum CRAS_STREAM_DIRECTION dir,
		struct cras_bt_device *device,
		struct hfp_slc_handle *slc,
		enum cras_bt_device_profile profile,
		struct hfp_info *info)
{
	struct hfp_io *hfpio;
	struct cras_iodev *iodev;
	struct cras_ionode *node;
	const char *name;

	hfpio = (struct hfp_io *)calloc(1, sizeof(*hfpio));
	if (!hfpio)
		goto error;

	iodev = &hfpio->base;
	iodev->direction = dir;

	hfpio->device = device;
	hfpio->slc = slc;

	/* Set iodev's name to device readable name or the address. */
	name = cras_bt_device_name(device);
	if (!name)
		name = cras_bt_device_object_path(device);

	snprintf(iodev->info.name, sizeof(iodev->info.name), "%s", name);
	iodev->info.name[ARRAY_SIZE(iodev->info.name) - 1] = 0;
	iodev->info.stable_id = SuperFastHash(
			cras_bt_device_object_path(device),
			strlen(cras_bt_device_object_path(device)),
			strlen(cras_bt_device_object_path(device)));

	iodev->open_dev= open_dev;
	iodev->frames_queued = frames_queued;
	iodev->delay_frames = delay_frames;
	iodev->get_buffer = get_buffer;
	iodev->put_buffer = put_buffer;
	iodev->flush_buffer = flush_buffer;
	iodev->close_dev = close_dev;
	iodev->update_supported_formats = update_supported_formats;
	iodev->update_active_node = update_active_node;
	iodev->set_volume = set_hfp_volume;

	node = (struct cras_ionode *)calloc(1, sizeof(*node));
	node->dev = iodev;
	strcpy(node->name, iodev->info.name);

	node->plugged = 1;
	node->type = CRAS_NODE_TYPE_BLUETOOTH;
	node->volume = 100;
	gettimeofday(&node->plugged_time, NULL);

	cras_bt_device_append_iodev(device, iodev, profile);
	cras_iodev_add_node(iodev, node);
	cras_iodev_set_active_node(iodev, node);

	hfpio->info = info;
	hfp_register_packet_size_changed_callback(info,
						  hfp_packet_size_changed,
						  hfpio);

	return iodev;

error:
	if (hfpio) {
		hfp_free_resources(hfpio);
		free(hfpio);
	}
	return NULL;
}