# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild import kaitaistruct from kaitaistruct import KaitaiStream, KaitaiStruct from enum import Enum if getattr(kaitaistruct, 'API_VERSION', (0, 9)) < (0, 9): raise Exception("Incompatible Kaitai Struct Python API: 0.9 or later is required, but you have %s" % (kaitaistruct.__version__)) class Exif(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.endianness = self._io.read_u2le() self.body = Exif.ExifBody(self._io, self, self._root) class ExifBody(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): _on = self._root.endianness if _on == 18761: self._is_le = True elif _on == 19789: self._is_le = False if not hasattr(self, '_is_le'): raise kaitaistruct.UndecidedEndiannessError("/types/exif_body") elif self._is_le == True: self._read_le() elif self._is_le == False: self._read_be() def _read_le(self): self.version = self._io.read_u2le() self.ifd0_ofs = self._io.read_u4le() def _read_be(self): self.version = self._io.read_u2be() self.ifd0_ofs = self._io.read_u4be() class Ifd(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None, _is_le=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._is_le = _is_le self._read() def _read(self): if not hasattr(self, '_is_le'): raise kaitaistruct.UndecidedEndiannessError("/types/exif_body/types/ifd") elif self._is_le == True: self._read_le() elif self._is_le == False: self._read_be() def _read_le(self): self.num_fields = self._io.read_u2le() self.fields = [] for i in range(self.num_fields): self.fields.append(Exif.ExifBody.IfdField(self._io, self, self._root, self._is_le)) self.next_ifd_ofs = self._io.read_u4le() def _read_be(self): self.num_fields = self._io.read_u2be() self.fields = [] for i in range(self.num_fields): self.fields.append(Exif.ExifBody.IfdField(self._io, self, self._root, self._is_le)) self.next_ifd_ofs = self._io.read_u4be() @property def next_ifd(self): if hasattr(self, '_m_next_ifd'): return self._m_next_ifd if self.next_ifd_ofs != 0: _pos = self._io.pos() self._io.seek(self.next_ifd_ofs) if self._is_le: self._m_next_ifd = Exif.ExifBody.Ifd(self._io, self, self._root, self._is_le) else: self._m_next_ifd = Exif.ExifBody.Ifd(self._io, self, self._root, self._is_le) self._io.seek(_pos) return getattr(self, '_m_next_ifd', None) class IfdField(KaitaiStruct): class FieldTypeEnum(Enum): byte = 1 ascii_string = 2 word = 3 dword = 4 rational = 5 undefined = 7 slong = 9 srational = 10 class TagEnum(Enum): image_width = 256 image_height = 257 bits_per_sample = 258 compression = 259 photometric_interpretation = 262 thresholding = 263 cell_width = 264 cell_length = 265 fill_order = 266 document_name = 269 image_description = 270 make = 271 model = 272 strip_offsets = 273 orientation = 274 samples_per_pixel = 277 rows_per_strip = 278 strip_byte_counts = 279 min_sample_value = 280 max_sample_value = 281 x_resolution = 282 y_resolution = 283 planar_configuration = 284 page_name = 285 x_position = 286 y_position = 287 free_offsets = 288 free_byte_counts = 289 gray_response_unit = 290 gray_response_curve = 291 t4_options = 292 t6_options = 293 resolution_unit = 296 page_number = 297 color_response_unit = 300 transfer_function = 301 software = 305 modify_date = 306 artist = 315 host_computer = 316 predictor = 317 white_point = 318 primary_chromaticities = 319 color_map = 320 halftone_hints = 321 tile_width = 322 tile_length = 323 tile_offsets = 324 tile_byte_counts = 325 bad_fax_lines = 326 clean_fax_data = 327 consecutive_bad_fax_lines = 328 sub_ifd = 330 ink_set = 332 ink_names = 333 numberof_inks = 334 dot_range = 336 target_printer = 337 extra_samples = 338 sample_format = 339 s_min_sample_value = 340 s_max_sample_value = 341 transfer_range = 342 clip_path = 343 x_clip_path_units = 344 y_clip_path_units = 345 indexed = 346 jpeg_tables = 347 opi_proxy = 351 global_parameters_ifd = 400 profile_type = 401 fax_profile = 402 coding_methods = 403 version_year = 404 mode_number = 405 decode = 433 default_image_color = 434 t82_options = 435 jpeg_tables2 = 437 jpeg_proc = 512 thumbnail_offset = 513 thumbnail_length = 514 jpeg_restart_interval = 515 jpeg_lossless_predictors = 517 jpeg_point_transforms = 518 jpegq_tables = 519 jpegdc_tables = 520 jpegac_tables = 521 y_cb_cr_coefficients = 529 y_cb_cr_sub_sampling = 530 y_cb_cr_positioning = 531 reference_black_white = 532 strip_row_counts = 559 application_notes = 700 uspto_miscellaneous = 999 related_image_file_format = 4096 related_image_width = 4097 related_image_height = 4098 rating = 18246 xp_dip_xml = 18247 stitch_info = 18248 rating_percent = 18249 sony_raw_file_type = 28672 light_falloff_params = 28722 chromatic_aberration_corr_params = 28725 distortion_corr_params = 28727 image_id = 32781 wang_tag1 = 32931 wang_annotation = 32932 wang_tag3 = 32933 wang_tag4 = 32934 image_reference_points = 32953 region_xform_tack_point = 32954 warp_quadrilateral = 32955 affine_transform_mat = 32956 matteing = 32995 data_type = 32996 image_depth = 32997 tile_depth = 32998 image_full_width = 33300 image_full_height = 33301 texture_format = 33302 wrap_modes = 33303 fov_cot = 33304 matrix_world_to_screen = 33305 matrix_world_to_camera = 33306 model2 = 33405 cfa_repeat_pattern_dim = 33421 cfa_pattern2 = 33422 battery_level = 33423 kodak_ifd = 33424 copyright = 33432 exposure_time = 33434 f_number = 33437 md_file_tag = 33445 md_scale_pixel = 33446 md_color_table = 33447 md_lab_name = 33448 md_sample_info = 33449 md_prep_date = 33450 md_prep_time = 33451 md_file_units = 33452 pixel_scale = 33550 advent_scale = 33589 advent_revision = 33590 uic1_tag = 33628 uic2_tag = 33629 uic3_tag = 33630 uic4_tag = 33631 iptc_naa = 33723 intergraph_packet_data = 33918 intergraph_flag_registers = 33919 intergraph_matrix = 33920 ingr_reserved = 33921 model_tie_point = 33922 site = 34016 color_sequence = 34017 it8_header = 34018 raster_padding = 34019 bits_per_run_length = 34020 bits_per_extended_run_length = 34021 color_table = 34022 image_color_indicator = 34023 background_color_indicator = 34024 image_color_value = 34025 background_color_value = 34026 pixel_intensity_range = 34027 transparency_indicator = 34028 color_characterization = 34029 hc_usage = 34030 trap_indicator = 34031 cmyk_equivalent = 34032 sem_info = 34118 afcp_iptc = 34152 pixel_magic_jbig_options = 34232 jpl_carto_ifd = 34263 model_transform = 34264 wb_grgb_levels = 34306 leaf_data = 34310 photoshop_settings = 34377 exif_offset = 34665 icc_profile = 34675 tiff_fx_extensions = 34687 multi_profiles = 34688 shared_data = 34689 t88_options = 34690 image_layer = 34732 geo_tiff_directory = 34735 geo_tiff_double_params = 34736 geo_tiff_ascii_params = 34737 jbig_options = 34750 exposure_program = 34850 spectral_sensitivity = 34852 gps_info = 34853 iso = 34855 opto_electric_conv_factor = 34856 interlace = 34857 time_zone_offset = 34858 self_timer_mode = 34859 sensitivity_type = 34864 standard_output_sensitivity = 34865 recommended_exposure_index = 34866 iso_speed = 34867 iso_speed_latitudeyyy = 34868 iso_speed_latitudezzz = 34869 fax_recv_params = 34908 fax_sub_address = 34909 fax_recv_time = 34910 fedex_edr = 34929 leaf_sub_ifd = 34954 exif_version = 36864 date_time_original = 36867 create_date = 36868 google_plus_upload_code = 36873 offset_time = 36880 offset_time_original = 36881 offset_time_digitized = 36882 components_configuration = 37121 compressed_bits_per_pixel = 37122 shutter_speed_value = 37377 aperture_value = 37378 brightness_value = 37379 exposure_compensation = 37380 max_aperture_value = 37381 subject_distance = 37382 metering_mode = 37383 light_source = 37384 flash = 37385 focal_length = 37386 flash_energy = 37387 spatial_frequency_response = 37388 noise = 37389 focal_plane_x_resolution = 37390 focal_plane_y_resolution = 37391 focal_plane_resolution_unit = 37392 image_number = 37393 security_classification = 37394 image_history = 37395 subject_area = 37396 exposure_index = 37397 tiff_ep_standard_id = 37398 sensing_method = 37399 cip3_data_file = 37434 cip3_sheet = 37435 cip3_side = 37436 sto_nits = 37439 maker_note = 37500 user_comment = 37510 sub_sec_time = 37520 sub_sec_time_original = 37521 sub_sec_time_digitized = 37522 ms_document_text = 37679 ms_property_set_storage = 37680 ms_document_text_position = 37681 image_source_data = 37724 ambient_temperature = 37888 humidity = 37889 pressure = 37890 water_depth = 37891 acceleration = 37892 camera_elevation_angle = 37893 xp_title = 40091 xp_comment = 40092 xp_author = 40093 xp_keywords = 40094 xp_subject = 40095 flashpix_version = 40960 color_space = 40961 exif_image_width = 40962 exif_image_height = 40963 related_sound_file = 40964 interop_offset = 40965 samsung_raw_pointers_offset = 40976 samsung_raw_pointers_length = 40977 samsung_raw_byte_order = 41217 samsung_raw_unknown = 41218 flash_energy2 = 41483 spatial_frequency_response2 = 41484 noise2 = 41485 focal_plane_x_resolution2 = 41486 focal_plane_y_resolution2 = 41487 focal_plane_resolution_unit2 = 41488 image_number2 = 41489 security_classification2 = 41490 image_history2 = 41491 subject_location = 41492 exposure_index2 = 41493 tiff_ep_standard_id2 = 41494 sensing_method2 = 41495 file_source = 41728 scene_type = 41729 cfa_pattern = 41730 custom_rendered = 41985 exposure_mode = 41986 white_balance = 41987 digital_zoom_ratio = 41988 focal_length_in35mm_format = 41989 scene_capture_type = 41990 gain_control = 41991 contrast = 41992 saturation = 41993 sharpness = 41994 device_setting_description = 41995 subject_distance_range = 41996 image_unique_id = 42016 owner_name = 42032 serial_number = 42033 lens_info = 42034 lens_make = 42035 lens_model = 42036 lens_serial_number = 42037 gdal_metadata = 42112 gdal_no_data = 42113 gamma = 42240 expand_software = 44992 expand_lens = 44993 expand_film = 44994 expand_filter_lens = 44995 expand_scanner = 44996 expand_flash_lamp = 44997 pixel_format = 48129 transformation = 48130 uncompressed = 48131 image_type = 48132 image_width2 = 48256 image_height2 = 48257 width_resolution = 48258 height_resolution = 48259 image_offset = 48320 image_byte_count = 48321 alpha_offset = 48322 alpha_byte_count = 48323 image_data_discard = 48324 alpha_data_discard = 48325 oce_scanjob_desc = 50215 oce_application_selector = 50216 oce_id_number = 50217 oce_image_logic = 50218 annotations = 50255 print_im = 50341 original_file_name = 50547 uspto_original_content_type = 50560 dng_version = 50706 dng_backward_version = 50707 unique_camera_model = 50708 localized_camera_model = 50709 cfa_plane_color = 50710 cfa_layout = 50711 linearization_table = 50712 black_level_repeat_dim = 50713 black_level = 50714 black_level_delta_h = 50715 black_level_delta_v = 50716 white_level = 50717 default_scale = 50718 default_crop_origin = 50719 default_crop_size = 50720 color_matrix1 = 50721 color_matrix2 = 50722 camera_calibration1 = 50723 camera_calibration2 = 50724 reduction_matrix1 = 50725 reduction_matrix2 = 50726 analog_balance = 50727 as_shot_neutral = 50728 as_shot_white_xy = 50729 baseline_exposure = 50730 baseline_noise = 50731 baseline_sharpness = 50732 bayer_green_split = 50733 linear_response_limit = 50734 camera_serial_number = 50735 dng_lens_info = 50736 chroma_blur_radius = 50737 anti_alias_strength = 50738 shadow_scale = 50739 sr2_private = 50740 maker_note_safety = 50741 raw_image_segmentation = 50752 calibration_illuminant1 = 50778 calibration_illuminant2 = 50779 best_quality_scale = 50780 raw_data_unique_id = 50781 alias_layer_metadata = 50784 original_raw_file_name = 50827 original_raw_file_data = 50828 active_area = 50829 masked_areas = 50830 as_shot_icc_profile = 50831 as_shot_pre_profile_matrix = 50832 current_icc_profile = 50833 current_pre_profile_matrix = 50834 colorimetric_reference = 50879 s_raw_type = 50885 panasonic_title = 50898 panasonic_title2 = 50899 camera_calibration_sig = 50931 profile_calibration_sig = 50932 profile_ifd = 50933 as_shot_profile_name = 50934 noise_reduction_applied = 50935 profile_name = 50936 profile_hue_sat_map_dims = 50937 profile_hue_sat_map_data1 = 50938 profile_hue_sat_map_data2 = 50939 profile_tone_curve = 50940 profile_embed_policy = 50941 profile_copyright = 50942 forward_matrix1 = 50964 forward_matrix2 = 50965 preview_application_name = 50966 preview_application_version = 50967 preview_settings_name = 50968 preview_settings_digest = 50969 preview_color_space = 50970 preview_date_time = 50971 raw_image_digest = 50972 original_raw_file_digest = 50973 sub_tile_block_size = 50974 row_interleave_factor = 50975 profile_look_table_dims = 50981 profile_look_table_data = 50982 opcode_list1 = 51008 opcode_list2 = 51009 opcode_list3 = 51022 noise_profile = 51041 time_codes = 51043 frame_rate = 51044 t_stop = 51058 reel_name = 51081 original_default_final_size = 51089 original_best_quality_size = 51090 original_default_crop_size = 51091 camera_label = 51105 profile_hue_sat_map_encoding = 51107 profile_look_table_encoding = 51108 baseline_exposure_offset = 51109 default_black_render = 51110 new_raw_image_digest = 51111 raw_to_preview_gain = 51112 default_user_crop = 51125 padding = 59932 offset_schema = 59933 owner_name2 = 65000 serial_number2 = 65001 lens = 65002 kdc_ifd = 65024 raw_file = 65100 converter = 65101 white_balance2 = 65102 exposure = 65105 shadows = 65106 brightness = 65107 contrast2 = 65108 saturation2 = 65109 sharpness2 = 65110 smoothness = 65111 moire_filter = 65112 def __init__(self, _io, _parent=None, _root=None, _is_le=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._is_le = _is_le self._read() def _read(self): if not hasattr(self, '_is_le'): raise kaitaistruct.UndecidedEndiannessError("/types/exif_body/types/ifd_field") elif self._is_le == True: self._read_le() elif self._is_le == False: self._read_be() def _read_le(self): self.tag = KaitaiStream.resolve_enum(Exif.ExifBody.IfdField.TagEnum, self._io.read_u2le()) self.field_type = KaitaiStream.resolve_enum(Exif.ExifBody.IfdField.FieldTypeEnum, self._io.read_u2le()) self.length = self._io.read_u4le() self.ofs_or_data = self._io.read_u4le() def _read_be(self): self.tag = KaitaiStream.resolve_enum(Exif.ExifBody.IfdField.TagEnum, self._io.read_u2be()) self.field_type = KaitaiStream.resolve_enum(Exif.ExifBody.IfdField.FieldTypeEnum, self._io.read_u2be()) self.length = self._io.read_u4be() self.ofs_or_data = self._io.read_u4be() @property def type_byte_length(self): if hasattr(self, '_m_type_byte_length'): return self._m_type_byte_length self._m_type_byte_length = (2 if self.field_type == Exif.ExifBody.IfdField.FieldTypeEnum.word else (4 if self.field_type == Exif.ExifBody.IfdField.FieldTypeEnum.dword else 1)) return getattr(self, '_m_type_byte_length', None) @property def byte_length(self): if hasattr(self, '_m_byte_length'): return self._m_byte_length self._m_byte_length = (self.length * self.type_byte_length) return getattr(self, '_m_byte_length', None) @property def is_immediate_data(self): if hasattr(self, '_m_is_immediate_data'): return self._m_is_immediate_data self._m_is_immediate_data = self.byte_length <= 4 return getattr(self, '_m_is_immediate_data', None) @property def data(self): if hasattr(self, '_m_data'): return self._m_data if not (self.is_immediate_data): io = self._root._io _pos = io.pos() io.seek(self.ofs_or_data) if self._is_le: self._m_data = io.read_bytes(self.byte_length) else: self._m_data = io.read_bytes(self.byte_length) io.seek(_pos) return getattr(self, '_m_data', None) @property def ifd0(self): if hasattr(self, '_m_ifd0'): return self._m_ifd0 _pos = self._io.pos() self._io.seek(self.ifd0_ofs) if self._is_le: self._m_ifd0 = Exif.ExifBody.Ifd(self._io, self, self._root, self._is_le) else: self._m_ifd0 = Exif.ExifBody.Ifd(self._io, self, self._root, self._is_le) self._io.seek(_pos) return getattr(self, '_m_ifd0', None)