Function cellCameraReadEx

ps3fw/cellCamera.cpp:1354–1438

}

error_code cellCameraReadEx(s32 dev_num, vm::ptr<CellCameraReadEx> read)
{
	cellCamera.trace("cellCameraReadEx(dev_num=%d, read=0x%x)", dev_num, read);

	auto& g_camera = g_fxo->get<camera_thread>();

	if (!g_camera.init)
	{
		return CELL_CAMERA_ERROR_NOT_INIT;
	}

	if (g_cfg.io.camera == camera_handler::null)
	{
		return not_an_error(CELL_CAMERA_ERROR_NOT_OPEN);
	}

	if (!check_dev_num(dev_num))
	{
		return CELL_CAMERA_ERROR_PARAM;
	}

	std::lock_guard lock(g_camera.mutex);

	if (!g_camera.is_open)
	{
		return CELL_CAMERA_ERROR_NOT_OPEN;
	}

	if (!g_camera.is_attached)
	{
		return CELL_CAMERA_ERROR_DEVICE_NOT_FOUND;
	}

	if (!g_camera.is_streaming)
	{
		return CELL_CAMERA_ERROR_NOT_STARTED;
	}

	// can call cellCameraReset() and cellCameraStop() in some cases

	const bool has_new_frame = g_camera.has_new_frame.exchange(false);

	if (g_camera.handler)
	{
		if (has_new_frame)
		{
			u32 width{};
			u32 height{};
			u64 frame_number{};
			u64 bytes_read{};

			if (!g_camera.get_camera_frame(g_camera.info.buffer.get_ptr(), width, height, frame_number, bytes_read))
			{
				return CELL_CAMERA_ERROR_DEVICE_NOT_FOUND;
			}

			g_camera.bytes_read = ::narrow<u32>(bytes_read);