Re: EXIF support in PNG

Willem van Schaik <[email protected]>
Newsgroups gmane.comp.graphics.png.general
Message-ID <[email protected]>
oops, copied from the wrong line, should be 000072b0

the SOI is two bytes, so then the last bytes become "d4 cb 71 a3"

which makes sense because after that comes "ff d9" which is the EOI 
marker (I'm assuming not part of APP1) and ffdb is the DQT marker



On 2017-01-05 14:22, Willem van Schaik wrote:
>
> then on row 000072a0 -- because the APP1 length is 72b5, then we need to
> add one byte for the SOI, therefore I think the last bytes of the EXIF
> APP1 are "ca b7 ad 24"
>
> am I doing this correct ?
>
> Willem
>
>
> 00000000  ff d8 ff e1 72 b5 45 78  69 66 00 00 4d 4d 00 2a
> |....r.Exif..MM.*|
> 00000010  00 00 00 08 00 08 01 0f  00 02 00 00 00 04 4c 47
> |..............LG|
> ********
> 000072a0  a8 3f ca b7 ad 24 69 ad  a3 69 06 d9 31 87 50 7a
> |.?...$i..i..1.Pz|
> 000072b0  37 71 f9 d4 cb 71 a3 ff  d9 ff db 00 84 00 02 01
> |7q...q..........|
> ********
>
>
>

-- 
Willem van Schaik
[email protected]

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