make HEIC exif extractor much more compatible #109
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ianare
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Jul 30, 2020
Co-authored-by: Tony Guo <[email protected]>
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According to "ISO/IEC 23008-12, 2017-12" the payload of "Exif" item may be start with either
b'\xFF\xE1\xSS\xSSExif\x00\x00'(with APP1 marker, e.g. Android Q) orb'Exif\x00\x00'(without APP1 marker, e.g. iOS), so we should take both of these two cases into account.