Method activate_feed

modules/camera/camera_android.cpp:152–265

}

bool CameraFeedAndroid::activate_feed() {
	ERR_FAIL_COND_V_MSG(selected_format == -1, false, "CameraFeed format needs to be set before activating.");
	if (is_active()) {
		deactivate_feed();
	};

	// Request permission
	if (!OS::get_singleton()->request_permission("CAMERA")) {
		return false;
	}

	// Open device
	static ACameraDevice_stateCallbacks deviceCallbacks = {
		.context = this,
		.onDisconnected = onDisconnected,
		.onError = onError,
	};
	camera_status_t c_status = ACameraManager_openCamera(manager, camera_id.utf8().get_data(), &deviceCallbacks, &device);
	if (c_status != ACAMERA_OK) {
		onError(this, device, c_status);
		return false;
	}

	// Create image reader
	const FeedFormat &feed_format = formats[selected_format];
	media_status_t m_status = AImageReader_new(feed_format.width, feed_format.height, feed_format.pixel_format, 1, &reader);
	if (m_status != AMEDIA_OK) {
		onError(this, device, m_status);
		return false;
	}

	// Get image listener
	static AImageReader_ImageListener listener{
		.context = this,
		.onImageAvailable = onImage,
	};
	m_status = AImageReader_setImageListener(reader, &listener);
	if (m_status != AMEDIA_OK) {
		onError(this, device, m_status);
		return false;
	}

	// Get image surface
	ANativeWindow *surface;
	m_status = AImageReader_getWindow(reader, &surface);
	if (m_status != AMEDIA_OK) {
		onError(this, device, m_status);
		return false;
	}

	// Prepare session outputs
	ACaptureSessionOutput *output = nullptr;
	c_status = ACaptureSessionOutput_create(surface, &output);
	if (c_status != ACAMERA_OK) {
		onError(this, device, c_status);
		return false;
	}