Reading ref/IMG_7702_small.heic
ref/IMG_7702_small.heic :  512 x  300, 3 channel, uint8 heif
    SHA-1: 337C2EC7F5C2316F2FD31F04067BDC59AB7027AE
    channel list: R, G, B
    DateTime: "2019:01:21 16:10:54"
    ExposureTime: 0.030303
    FNumber: 1.8
    Make: "Apple"
    Model: "iPhone 7"
    Orientation: 1 (normal)
    ResolutionUnit: 2 (inches)
    Software: "12.1.2"
    XResolution: 72
    YResolution: 72
    Exif:ApertureValue: 1.69599 (f/1.8)
    Exif:BrightnessValue: 3.99501
    Exif:ColorSpace: 65535
    Exif:DateTimeDigitized: "2019:01:21 16:10:54"
    Exif:DateTimeOriginal: "2019:01:21 16:10:54"
    Exif:ExifVersion: "0221"
    Exif:ExposureBiasValue: 0
    Exif:ExposureMode: 0 (auto)
    Exif:ExposureProgram: 2 (normal program)
    Exif:Flash: 24 (no flash, auto flash)
    Exif:FlashPixVersion: "0100"
    Exif:FocalLength: 3.99 (3.99 mm)
    Exif:FocalLengthIn35mmFilm: 28
    Exif:LensMake: "Apple"
    Exif:LensModel: "iPhone 7 back camera 3.99mm f/1.8"
    Exif:LensSpecification: 3.99, 3.99, 1.8, 1.8
    Exif:MeteringMode: 5 (pattern)
    Exif:PhotographicSensitivity: 20
    Exif:PixelXDimension: 4032
    Exif:PixelYDimension: 3024
    Exif:SceneCaptureType: 0 (standard)
    Exif:SensingMethod: 2 (1-chip color area)
    Exif:ShutterSpeedValue: 5.03599 (1/32 s)
    Exif:SubsecTimeDigitized: "006"
    Exif:SubsecTimeOriginal: "006"
    Exif:WhiteBalance: 0 (auto)
    oiio:ColorSpace: "sRGB"
Reading ../oiio-images/heif/greyhounds-looking-for-a-table.heic
../oiio-images/heif/greyhounds-looking-for-a-table.heic : 3024 x 4032, 3 channel, uint8 heif
    SHA-1: 8211F56BBABDC7615CCAF67CBF49741D1A292D2E
    channel list: R, G, B
    DateTime: "2023:09:28 09:44:03"
    ExposureTime: 0.0135135
    FNumber: 2.4
    Make: "Apple"
    Model: "iPhone 12 Pro"
    Orientation: 1 (normal)
    ResolutionUnit: 2 (inches)
    Software: "16.7"
    XResolution: 72
    YResolution: 72
    Exif:ApertureValue: 2.52607 (f/2.4)
    Exif:BrightnessValue: 2.7506
    Exif:ColorSpace: 65535
    Exif:DateTimeDigitized: "2023:09:28 09:44:03"
    Exif:DateTimeOriginal: "2023:09:28 09:44:03"
    Exif:DigitalZoomRatio: 1.3057
    Exif:ExifVersion: "0232"
    Exif:ExposureBiasValue: 0
    Exif:ExposureMode: 0 (auto)
    Exif:ExposureProgram: 2 (normal program)
    Exif:Flash: 16 (no flash, flash suppression)
    Exif:FocalLength: 1.54 (1.54 mm)
    Exif:FocalLengthIn35mmFilm: 17
    Exif:LensMake: "Apple"
    Exif:LensModel: "iPhone 12 Pro back triple camera 1.54mm f/2.4"
    Exif:LensSpecification: 1.54, 6, 1.6, 2.4
    Exif:MeteringMode: 5 (pattern)
    Exif:OffsetTime: "+02:00"
    Exif:OffsetTimeDigitized: "+02:00"
    Exif:OffsetTimeOriginal: "+02:00"
    Exif:PhotographicSensitivity: 320
    Exif:PixelXDimension: 4032
    Exif:PixelYDimension: 3024
    Exif:SensingMethod: 2 (1-chip color area)
    Exif:ShutterSpeedValue: 6.20983 (1/74 s)
    Exif:SubsecTimeDigitized: "886"
    Exif:SubsecTimeOriginal: "886"
    Exif:WhiteBalance: 0 (auto)
    GPS:Altitude: 3.24105 (3.24105 m)
    GPS:AltitudeRef: 0 (above sea level)
    GPS:DateStamp: "2023:09:28"
    GPS:DestBearing: 90.2729
    GPS:DestBearingRef: "T" (true north)
    GPS:HPositioningError: 5.1893
    GPS:ImgDirection: 90.2729
    GPS:ImgDirectionRef: "T" (true north)
    GPS:Latitude: 41, 50, 58.43
    GPS:LatitudeRef: "N"
    GPS:Longitude: 3, 7, 31.98
    GPS:LongitudeRef: "E"
    GPS:Speed: 0.171966
    GPS:SpeedRef: "K" (km/hour)
    oiio:ColorSpace: "sRGB"
    oiio:OriginalOrientation: 6
Reading ../oiio-images/heif/sewing-threads.heic
../oiio-images/heif/sewing-threads.heic : 4000 x 3000, 3 channel, uint8 heif
    SHA-1: 6A061BFE2F0BAC4CC94F5D9D5A6E674634149813
    channel list: R, G, B
    DateTime: "2023:12:12 18:39:16"
    ExposureTime: 0.04
    FNumber: 1.8
    Make: "samsung"
    Model: "SM-A326B"
    Orientation: 1 (normal)
    ResolutionUnit: 2 (inches)
    Software: "A326BXXS8CWK2"
    XResolution: 72
    YResolution: 72
    Exif:ApertureValue: 1.69 (f/1.8)
    Exif:BrightnessValue: 1.19
    Exif:ColorSpace: 1
    Exif:DateTimeDigitized: "2023:12:12 18:39:16"
    Exif:DateTimeOriginal: "2023:12:12 18:39:16"
    Exif:DigitalZoomRatio: 1
    Exif:ExifVersion: "0220"
    Exif:ExposureBiasValue: 0
    Exif:ExposureMode: 0 (auto)
    Exif:ExposureProgram: 2 (normal program)
    Exif:Flash: 0 (no flash)
    Exif:FocalLength: 4.6 (4.6 mm)
    Exif:FocalLengthIn35mmFilm: 25
    Exif:MaxApertureValue: 1.69 (f/1.8)
    Exif:MeteringMode: 2 (center-weighted average)
    Exif:OffsetTime: "+01:00"
    Exif:OffsetTimeOriginal: "+01:00"
    Exif:PhotographicSensitivity: 500
    Exif:PixelXDimension: 4000
    Exif:PixelYDimension: 3000
    Exif:SceneCaptureType: 0 (standard)
    Exif:ShutterSpeedValue: 0.04 (1/1 s)
    Exif:SubsecTime: "576"
    Exif:SubsecTimeDigitized: "576"
    Exif:SubsecTimeOriginal: "576"
    Exif:WhiteBalance: 0 (auto)
    Exif:YCbCrPositioning: 1
    GPS:Altitude: 292 (292 m)
    GPS:AltitudeRef: 0 (above sea level)
    GPS:Latitude: 41, 43, 33.821
    GPS:LatitudeRef: "N"
    GPS:Longitude: 1, 49, 34.0187
    GPS:LongitudeRef: "E"
    oiio:ColorSpace: "sRGB"
