Changing date change Exif.Photo.MakerNote COUNT field
Added by Anonymous Poster over 7 years ago
Dear All,
I am using exiv2 ver 0.22 in Ubuntu 12.04 to fix some date/time in Exif.
I've noticed something weird which I cannot explain myself so you maybe have an answer to that.
This is the command I used to modify the Exif date
exiv2 -a -00:15:00 adjust original.jpg
I make a diff between the original and the modified image (exiv2.jpg) and noticed that exiv2 modified also the count value for the Exif.Photo.MakerNote tag (see below)
Could you please explain me why this happen? Is it a bug?
diff ‘exiv2.txt' 'original.txt' 9c9 < Exif.Image.DateTime Ascii 20 2014:02:22 16:56:04 --- > Exif.Image.DateTime Ascii 20 2014:02:22 17:11:04 18,19c18,19 < Exif.Photo.DateTimeOriginal Ascii 20 2014:02:22 16:56:04 < Exif.Photo.DateTimeDigitized Ascii 20 2014:02:22 16:56:04 --- > Exif.Photo.DateTimeOriginal Ascii 20 2014:02:22 17:11:04 > Exif.Photo.DateTimeDigitized Ascii 20 2014:02:22 17:11:04 27c27 < Exif.Photo.MakerNote Undefined 980 (Binary value suppressed) --- > Exif.Photo.MakerNote Undefined 4446 (Binarlessandroalue suppressed)
Regards
AxeL
axel_1_7 AT yahoo.com
Replies (1)
RE: Changing date change Exif.Photo.MakerNote COUNT field - Added by Anonymous Poster over 7 years ago
To add some details to the problem
The camera is an Olympus D750 and I attached here after the MakerNote output for both the original and the modified images.
It seems the modified has the MakerNote truncated.
I am attaching the pictures as well.
Regards
AxeL
axel_1_7 AT yahoo.com
| original_MakerNote.txt (20.2 KB) original_MakerNote.txt | output of exiv2 -ph -ub -g Exif.Photo.MakerNote original.jpg | ||
| exiv2_MakerNote.txt (4.53 KB) exiv2_MakerNote.txt | output of exiv2 -ph -ub -g Exif.Photo.MakerNote exiv2.jpg | ||
| original.jpg (1.81 MB) original.jpg | |||
| exiv2.jpg (1.81 MB) exiv2.jpg |
