Re: CFD: eXIf 2017-05-31
Glenn Randers-Pehrson <[email protected]> Thu, 8 Jun 2017 23:37:50 -0400
| Newsgroups | gmane.comp.graphics.png.general |
|---|---|
| Message-ID | <CA+PdXcv+uznMzzt2+1WNYQadMkrL2N4Q9a73n0Zg2b2cN=9_TQ@mail.gmail.com> |
On Thu, Jun 8, 2017 at 11:25 PM, Cosmin Truta <[email protected]> wrote: > I realized that I don't really know the correct maximum size of JPEG > "Exif" chunk content. Is it 2^16 bytes? Or is it 2^16-1 bytes? Or is > it 2^16-N, where N is a small number that accounts for the presence of > the JPEG APP1 "Exif\0\0" marker (and the whole thing must fit in the > 64KB limit)? > > I suppose that Glenn (who has experience with ImageMagick) or Phil > (who has experience with ExifTool) would know. We should mention the > exact limit.CALL for DISCUSSION It's 2^16-2 (2-bytes for the length, plus the payload). ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot