More > JRiver Media Center 19 for Mac
Cover Art Changes Suddenly No Longer Work
Matt:
--- Quote from: MrC on November 06, 2013, 11:11:07 am ---Yes, it appears during Playing Now.
--- End quote ---
This is a good clue.
It means import works, the library has the correct data, and the program is able to get and decode the cover art for the file.
So the problem must be in the thumbnail database.
Some things to try:
1) Resize the thumbnails in the list to see if any size works
2) Do right-click > Cover Art > Rebuild thumbnail on a few to see if this makes them work
3) Force MC to rebuild thumbnails (Options > Tree & View > Thumbnails > Erase all thumbnails...)
It would be nice to figure out the root cause. Thumbnails are stored in a few big files in the app data folder. They should be built on demand by any list.
MrC:
1. No change.
2. No change.
3. Erased all thumbnails, and they stay erased.
I quit MC and restart, selected a small group of files, and then tried to Rebuild Thumbnails. There is a dialog indicating MC is about to make N changes, I approve. However, there is no change. All thumbnails are now missing.
Matt:
If you make a second library, and import that one file, does it still have no thumbnail (but will have cover art in Playing Now when playing)?
If so, I would expect us to be able to reproduce if we had the file (and I thought John did have the file).
MrC:
John does have an album full of files. But to be clear, it is 18,300 files or 1460 albums full of no thumbnails, so it isn't related to a file or two. I now don't have a single thumbnail (since the clear).
It seems the problem is that once the failure occurs, thumbnails will not rebuild for any file.
Shall I still try your requested test?
Update: If I resize the thumbnails to really large, they suddenly appear. So it is the smaller, scaled versions that are failing.
Matt:
--- Quote from: MrC on November 06, 2013, 12:39:23 pm ---It seems the problem is that once the failure occurs, thumbnails will not rebuild for any file.
--- End quote ---
I wonder if it could be a database issue? Anything suspicious in the [App Data]\Thumbnails folder? What if you rename that folder and launch?
--- Quote ---Shall I still try your requested test?
--- End quote ---
I'm just trying to figure out any way to reproduce.
--- Quote ---Update: If I resize the thumbnails to really large, they suddenly appear. So it is the smaller, scaled versions that are failing.
--- End quote ---
At a large enough size, it switches to full resolution images.
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