[mythtv-users] Video Scanning Problem

[Michael Watson]

On 29/01/2013 8:25 AM, Raymond Wagner wrote:
> On 1/28/2013 15:26, Michael Watson wrote:
>> On 29/01/2013 12:23 AM, Raymond Wagner wrote:
>>> On 1/13/2013 04:01, Michael Watson wrote:
>>>> Every time I do a scan for new videos, every video in the database is
>>>> modified, all that appears to change is the host column in the
>>>> videometadata table.
>>>> All my machines have access to the storage location via NFS (I
>>>> experience choppy playback on many files if I do not have the 
>>>> directory
>>>> mounted via NFS).
>>>
>>> All of these machines are running slave backends as well?
>> Yes
>
> The video library hashes everything it stores to prevent duplicate 
> entries, but currently only allows one stored location in the 
> database. If you have a file that appears to exist in multiple places, 
> the file will keep bouncing around from location to location each time 
> you scan for content. It shouldn't be wiping the metadata every time, 
> as that is the whole purpose of hash matching, but it will keep 
> changing the name in the host column.
>
> Any chance you're also running in File Browse mode?
> _______________________________________________

Running in Gallery Mode.
It is wiping any manually entered metdata.  If I change the 
Title/Subtitle of a move manually, it resets these changes.

Removing NFS access to the video locations, fixes the problem. 
Previously I have had problems of jerky playback on one frontend whilst 
using myth protocol, that were fixed by accessing file via NFS.

I had assumed (wrongly) that the hostname field in videometadata would 
simply provide a hint to which storage groups to look in for a 
particular file, as my video storage groups are all have the hostname of 
the MBE, the hostname entries in videometadata table would reflect the 
hostname of the storage group where they are located, not the hostname 
of the device that last scanned for videos.   (from memory, this 
hostname switching also happens when a scan is performed from a frontend 
only machine)