Hi,
I need your help, please.
When I use
exiftool -U -v2 image.cr2
I get
| | | 32) CustomFunctions2 (SubDirectory) -->
| | | - Tag 0x0099 (140 bytes, int32u[35] read as undef[140])
| | | + [CanonCustom2 directory with 2 entries, 140 bytes]
| | | + [CanonCustom2 group 1 directory with 2 entries, 32 bytes]
| | | | 0) ISOExpansion = 0
| | | | - Tag 0x0103 (4 bytes, int32u[1])
| | | | 1) SafetyShift = 0
| | | | - Tag 0x0108 (4 bytes, int32u[1])
| | | + [CanonCustom2 group 4 directory with 4 entries, 72 bytes]
| | | | 0) DialDirectionTvAv = 0
| | | | - Tag 0x0706 (4 bytes, int32u[1])
| | | | 1) CustomControls = 0 0 0 1 0 0 0 0 0 0
| | | | - Tag 0x070c (40 bytes, int32u[10])
| | | | Warning = [minor] Missing 2 entries in CanonCustom2 group 4 directory
| | | | Warning = Possibly corrupted CanonCustom2 data
What's missing? Is there a problem with my files or is the Tool wrong and there are no further entries when you take a picture with the G1X Mark III?
I simply copied a .cr2-file from my Canon PowerShot G1X Mark III with the Windows Explorer and put it in the command line to see what's going on.
I found this old thread that helped me to come up to this point:
https://exiftool.org/forum/index.php?topic=3015.0 (https://exiftool.org/forum/index.php?topic=3015.0)
I hope you can help me.
Best Regards
Chris
Hi Chris,
This warning indicates a bug in the Canon firmware. This bug exists in the firmware of 5 different models (G1XmkIII, G9XmkII, M5, M6, M100), so it is unlikely that Canon even knows about this bug, and even less likely that they would ever fix it.
- Phil
Hi Phil,
Thanks for the info.
It's amazing that you know everything about every manufacturer and camera model.
Is there a possibility to adjust the ExifTool in the way it doesn't show this warning anymore, because one cannot do anything with information or file.
If I would not had seen the warning I would have saved a lot of time of researching about it ;-)
- Chris
Hi Chris,
I have already patched ExifTool for far too many camera-manufacturer software bugs. Over time, patches like this turn the beautiful ExifTool source code into a real mess. :(
So I avoid adding patches unless necessary. In this case, the only effect of the Canon bug is a couple of extra warnings from ExifTool and you lose the ability to edit the makernote tags*, which isn't too serious, so I would only consider patching for this if enough people complained.
- Phil
* The makernotes can't be edited due to a bug that is different from the one mentioned here -- so Canon actually has 2 significant problems to fix in these maker notes.