vivid_input_is_connected_to
out_dev = vivid_input_is_connected_to(dev);
if (!vivid_input_is_connected_to(dev))
if (!vivid_input_is_connected_to(dev))
if (!vivid_input_is_connected_to(dev))
if (!vivid_input_is_connected_to(dev))
if (!vivid_input_is_connected_to(dev))
struct vivid_dev *output_inst = vivid_input_is_connected_to(dev);
struct vivid_dev *vivid_input_is_connected_to(struct vivid_dev *dev);