No thumbnail in edited dvr-ms

Danr

Administrator
Interesting. It should have been copied, but wasn't. Don't know why, but its pretty easy to checkout.

Would be great if its this simple.
 

Mini-Man

New member
To the developers;

Having a look at both an original recorded DVR-MS file and an edited one, and using 'Edit Dvrms Metadata' program to read the metadata from both files I noticed 2 entries missing.
Please refer to the snapshot;


Why are the 2 highlighted metadata entries missing from the edited dvr-ms file?

Are these relevant to thumbnail generation?

Have you tried keeping that specific metadata when saving out to dvr-ms in any builds

Just wondering if this specific metadata is responsible for thumbnail generation any views?
Apparently those tags are used to identify it as either a Video, Movie, Music videos or TV shows. Might be why it's not adding the thumbnail. Here is a knowledge base article that refers to these tags.

I just bought VideoReDo a few days ago and thrilled with the product, but stop using it after noticing the thumbnail issue. If this is indeed the problem, would there be a way to manually add these tags to files that have already been edited? If so, I can get back to editing my files and will address this issue later.
 

Danr

Administrator
We have researched this issue for days, but no luck yet. Its not for lack of trying, but trying to figure out what MCE is looking for that we aren't providing. Lots of the DVR-MS components are not fully documented so you have to try things out until it works.

If anyone knows someone in the MS eHome (aka MCE) group that might be of assistance, that would certainly help.
 

pporzer

New member
Tool by Stephen Toub of Microsoft?

The famous Mr. Stephen Toub from Microsoft who wrote some amazing articles on MCE programming

(http://blogs.msdn.com/toub/archive/2007/09/22/fun-with-dvr-ms.aspx)

has once mentioned that he had a tool developed for exactly the purpose to transfer thumbnails into the metadata or streams of a dvr-ms file; unfortunately I didn't find any trace of it, I reckon that he never published it.
This is a small copy of his blog where he announced this tool:

(http://blogs.msdn.com/toub/archive/2005/05/12/416874.aspx)


Tuesday, December 12, 2006 2:00 AM by Troy
# re: Edit DVR-MS Metadata

What if you want the little picture icon that is associated with a DVR-MS file? I have a dvr-ms file that I edited then I saved it with what I thought was all the metadata but the icon is not there. Is there a tool that will copy the icon from one dvr-ms file to another?



Sunday, December 17, 2006 3:04 PM by toub
# re: Edit DVR-MS Metadata

I wrote a tool that will do it, but I haven't found the time yet to clean it up. As soon as I do, hopefully soon, I'll post it.


Maybe contacting Mr. Toub could help solve the riddle of the vanishing video thumbnails?

Peter
 

pporzer

New member
Found Mini DVR-MS Editor which keeps/creates thumbnail

I found a reference to a small program in the article I mentioned in my previous post.

http://blogs.msdn.com/toub/attachment/5061192.ashx

It is designated as old code (it does not follow the design of the recently published Media Center SDK from Feb of this year) but I could execute one of the programs under Windows Vista without problems.
The program is DvrmsEditor.exe.
I took a DVB-T recording from my Media Center folder, did some cut-editing (which is btw cruelsome to do in this program) and wrote the modified file back into my media folder.

The modified file has now a new thumbnail visible in WMC (time location about 5 minutes from start of movie) and all the metadata are left intact (Title, contents description etc.).

Unfortunately this means that the playtime is still the playtime from the unedited file.

Interesting is that now explorer doesn't show a thumbnail picture in the file list.

Looking through the source it appears that Mr. Toub just copies all the old file tags into the new file.

The source code is included in the aforementioned zip file - it should be fairly easy for the experts at VideoRedo to use this to solve the nasty missing thumbnail issue.
 

deucea729

New member
To me, this is the one last remaining issue to make VRD basically perfect for my needs. Here's hoping you guys are able to solve this one...
 
I too would really like to see a fix to this. It is somewhat embarrassing when friends come over and they ask why the shows that don't have commercials also don't have the thumbnail. I just kind of shrug my shoulders ;)
 
Unfortunately, I have no idea how to use this information in your link. He references the possiblity of creating an executable file, but I haven't been granted a username/password to the site yet to post to the forum....
 

deucea729

New member
This really seems like it is some sort of database association issue within VMC, as the binary thumbnail info appears to still be written into the metadata of the output file from VRD.

My setup and pattern of thumbnail failure seem to support this. I typically record directly to my local HDD, then copy the unedited file to a watched folder on my NAS. The moved file shows up perfectly with thumbnail and all metadata in VMC Recorded TV. Further, I can edit the file on the NAS, and as long as I swap the edited file into the unedited file's place (keeping the filename exactly as it was for the unedited file), VMC still then reads the edited file's thumbnail correctly.

The trouble starts if I ever have to restart Vista or VMC when the NAS is unavailable for any reason (I have it set up to sleep much of the day until I am home from work). If I do this and enter VMC Recorded TV while the NAS is off, it seems to reset all of the database associations within VMC, as whenever the NAS comes back online (and after yet another VMC restart), the thumbnails for edited files are then missing.

Just based on this behavior, I really think this has more to do with some sort of VMC database association than the actual information in the file. Just a hunch - I have no idea how the actual VMC database works. But if someone could find out how to just regenerate thumbnails within the VMC database - similar to deleting thumbs.db in previous Windows versions - that would seem to be the answer.
 

ErwinC

New member
thumbnail

Is see that this issue is still not resolved.
A work around is to use a jpg file (don't know the resolution have to test) that has the same name as the video file.
It will show this jpg in MCE and extenders.
 

HyperReality

New member
A change has been made to the latest TVSuite beta (build 558) that is reported to address this problem (though currently with some caveats for NTSC material).

See this thread for details.
 

ErwinC

New member
thumbnails

Gonna have to wait for the release I supose.
I'm testing the current version, but I will buy it cause I been searching and trying for week to convert my, to ISO ripped cd to a same quality file to use on my Vista MCE, XBOX 360, Linksys DMA 2200 Media extender, Creative Zen M Vision.
There was always something wrong wxith other solution, no fastforward, no extender support, to silent, ignoring PAL/widescreen ratio etc,

I'm very please with the fastness and quality result of Video Redo using DVR-MS files. The quality is identical to the original cd, the aspect ratio is correct. The sound is correct. Very fast. A standing ovation from me for your team.
There is even a commercial cutter for DVR-MS files .
Great, great, gonna get my Visa card now :)
 
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