[mythtv-users] How to put MythVideo storage groups back in?

[Steven Adeff]

On Mon, May 23, 2011 at 11:39 AM, Robert McNamara
<robert.mcnamara at gmail.com> wrote:
> On Mon, May 23, 2011 at 8:29 AM, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
>> On Mon, May 23, 2011 at 11:26 AM, Raymond Wagner <raymond at wagnerrp.com> wrote:
>>> On 5/23/2011 11:15, Neil Bird wrote:
>>>>     So a while back, as I still needed to use external apps. to play some
>>>> videos, I disabled the use of video storage groups.  I'd now like to
>>>> re-enable them, as I think Myth is successfully playing everything I can
>>>> throw at it, and I'd like to see if I can get MythWeb videos working
>>>> (“MythWeb now requires use of the Videos Storage Group”).
>>>
>>> MythWeb Videos is really broken.  Switching to storage groups will not
>>> fix it.  It simply needs to be rewritten to use the proper backend
>>> protocol calls.
>>>
>>>>     And the biggest question, I suppose:  will a rescan afterwards keep all
>>>> my metadata (presuming I get the directories correct)?
>>>
>>> Since 0.23, all content in MythVideo is hashed.  If you rename it, or
>>> change directories, or migrate from local folders to storage groups, it
>>> doesn't matter.  So long as that video exists somewhere in the paths
>>> defined for scanning, MythVideo will find it and update the location.
>>
>> I recently did what your asking about and can verify Raymond's
>> comment. As far as I can tell, in the database the filename is stored
>> separately from the location of the file. I created storage group
>> locations for my videos then removed the location in the frontend
>> settings so that Myth was using the storage groups (or at least to
>> make sure?). upon restarting the frontend all my videos were visible,
>> playable, and contained all the metadata they did before.
>
> Note that unless you rescanned, you are still playing the files
> locally.  The local/SG settings only pertain to the video scan, and
> determine where to look for files and what information to insert into
> the database.  What Raymond is saying is that once you do everything
> you did above, and then rescan, the database records will be updated
> to reflect their locations in storage groups.  Here's the basic logic
> flow:
>
> You scan for videos.  Is the video storage group defined?  If so, get
> a list of the contents of all those directories.  If not, get a list
> of all the files in the local video storage dirs.  Now look at each
> file.  Does the host + path + filename appear in the database?  If
> yes, ignore and move on.  If no, hash the file to get its unique
> identifier.  Does the hash exist in the database?  If yes, then update
> the host and filename values with the new ones, leaving the other
> metadata intact.
>
> Basically, even with the settings changed, Myth will go on playing
> your files for as long as it can get at them-- but to actually update
> the database, you need to rescan.

sorry, yes, I did do a rescan, my video locations no longer mount to
my remote frontends so it is strictly streaming them now.

-- 
Steve
http://www.mythtv.org/wiki/User:Steveadeff
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