Method onImage

modules/camera/camera_android.cpp:292–379

}

void CameraFeedAndroid::onImage(void *context, AImageReader *p_reader) {
	CameraFeedAndroid *feed = static_cast<CameraFeedAndroid *>(context);
	Vector<uint8_t> data_y = feed->data_y;
	Vector<uint8_t> data_uv = feed->data_uv;
	Ref<Image> image_y = feed->image_y;
	Ref<Image> image_uv = feed->image_uv;

	// Get image
	AImage *image = nullptr;
	media_status_t status = AImageReader_acquireNextImage(p_reader, &image);
	ERR_FAIL_COND(status != AMEDIA_OK);

	// Get image data
	uint8_t *data = nullptr;
	int len = 0;
	int32_t pixel_stride, row_stride;
	FeedFormat format = feed->get_format();
	int width = format.width;
	int height = format.height;
	switch (format.pixel_format) {
		case AIMAGE_FORMAT_YUV_420_888:
			AImage_getPlaneData(image, 0, &data, &len);
			if (len <= 0) {
				return;
			}
			if (len != data_y.size()) {
				int64_t size = Image::get_image_data_size(width, height, Image::FORMAT_R8, false);
				data_y.resize(len > size ? len : size);
			}
			memcpy(data_y.ptrw(), data, len);

			AImage_getPlanePixelStride(image, 1, &pixel_stride);
			AImage_getPlaneRowStride(image, 1, &row_stride);
			AImage_getPlaneData(image, 1, &data, &len);
			if (len <= 0) {
				return;
			}
			if (len != data_uv.size()) {
				int64_t size = Image::get_image_data_size(width / 2, height / 2, Image::FORMAT_RG8, false);
				data_uv.resize(len > size ? len : size);
			}
			memcpy(data_uv.ptrw(), data, len);

			image_y->initialize_data(width, height, false, Image::FORMAT_R8, data_y);
			image_uv->initialize_data(width / 2, height / 2, false, Image::FORMAT_RG8, data_uv);

			feed->set_ycbcr_images(image_y, image_uv);
			break;
		case AIMAGE_FORMAT_RGBA_8888:
			AImage_getPlaneData(image, 0, &data, &len);
			if (len <= 0) {
				return;
			}
			if (len != data_y.size()) {
				int64_t size = Image::get_image_data_size(width, height, Image::FORMAT_RGBA8, false);
				data_y.resize(len > size ? len : size);
			}
			memcpy(data_y.ptrw(), data, len);