Constants in camera_api.hConstants for working with the Camera Library.Related linkscamera_api.hFunctions, enumerated types, structures, types, and defines for the Camera library. CAMERA_API_VERSION The version of the Camera Library. CAMERA_HANDLE_INVALID A safe-initializer value for camera_handle_t values. CAMERA_MAX_FILENAME_LEN The maximum length of a filename for an image or video. CAMERA_MAX_FRAMEDESC_SIZE The maximum size, in bytes, of the frame descriptor. CAMERA_ROLL_NAMELEN The maximum length of a filename returned by camera-roll functions.