Exexif (nextexif v0.1.2)
Read TIFF and EXIF information from a JPEG-format image.
iex> {:ok, info} = Exexif.exif_from_jpeg_buffer(buffer)
iex> info.x_resolution
72
iex> info.model
"DSC-RX100M2"
...> Exexif.Data.Gps.inspect info
"41°23´16˝N,2°11´50˝E"Link to this section Summary
Functions
Extracts EXIF from binary buffer
Extracts EXIF from binary buffer, raises on any error
Extracts EXIF from jpeg file
Extracts EXIF from jpeg file, raises on any error
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context()
@type context() :: {value(), non_neg_integer(), (any() -> non_neg_integer())}
@type t() :: %{ brightness_value: float(), color_space: binary(), component_configuration: binary(), compressed_bits_per_pixel: non_neg_integer(), contrast: binary(), custom_rendered: binary(), datetime_digitized: binary(), datetime_original: binary(), digital_zoom_ratio: non_neg_integer(), exif_image_height: non_neg_integer(), exif_image_width: non_neg_integer(), exif_version: binary(), exposure_mode: binary(), exposure_bias_value: non_neg_integer(), exposure_program: binary(), exposure_time: binary(), f_number: non_neg_integer(), file_source: binary(), flash: binary(), flash_pix_version: binary(), focal_length_in_35mm_film: non_neg_integer(), focal_length: float(), iso_speed_ratings: non_neg_integer(), lens_info: [float()], light_source: non_neg_integer(), max_aperture_value: float(), metering_mode: binary(), recommended_exposure: non_neg_integer(), saturation: binary(), scene_capture_type: binary(), scene_type: binary(), sensitivity_type: binary(), sharpness: binary(), white_balance: binary() }
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value()
@type value() :: binary()
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exif_from_jpeg_buffer(arg1)
@spec exif_from_jpeg_buffer(binary()) :: {:error, :no_exif_data_in_jpeg | :not_a_jpeg_file} | {:ok, %{exif: t()}}
Extracts EXIF from binary buffer
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exif_from_jpeg_buffer!(buffer)
Extracts EXIF from binary buffer, raises on any error
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exif_from_jpeg_file(name)
@spec exif_from_jpeg_file(binary()) :: {:error, :no_exif_data_in_jpeg | :not_a_jpeg_file | :file.posix()} | {:ok, %{exif: t()}}
Extracts EXIF from jpeg file
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exif_from_jpeg_file!(name)
Extracts EXIF from jpeg file, raises on any error
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read_exif(arg1)
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