[mythtv] Unable to see sgreen grab/flash streams in mythweb recordings

Raymond Wagner raymond at wagnerrp.com
Mon Dec 5 00:15:49 UTC 2011

On 12/4/2011 17:19, Marc Tousignant wrote:
> *From:*mythtv-dev-bounces at mythtv.org 
> [mailto:mythtv-dev-bounces at mythtv.org] *On Behalf Of *Raymond Wagner
> *Sent:* Sunday, December 04, 2011 2:32 PM
> *To:* Development of MythTV
> *Subject:* Re: [mythtv] Unable to see sgreen grab/flash streams in 
> mythweb recordings
> On 12/4/2011 08:14, Marc Tousignant wrote:
> I posted this to users a back in April when I went from an older 
> 0.24-fixes to a more recent one, and never got a reply and never found 
> out he fix on my own.
> Now I have gone from fixes on to the master branch and still see the 
> same behavior.
> When I goto the recordings page, all the images are blank. When I 
> access the individual recording page I get no preview and the flash 
> stream fails to load anything.
> Flash streaming runs a local copy of mythffmpeg against the 
> filesystem, meaning the files need to be accessible from the local 
> filesystem on the machine running apache, and the user running apache 
> needs read access to them.  Looking at the logs, it seems you've got 
> everything running on one machine, so I would check the file permissions.
> This is really a user support question, not suited for the development 
> channel.  If you're looking to make modifications to MythWeb to 
> support operations over storage groups, the existing code should be 
> completely abandoned, and rewritten around the new transcoding 
> capability in the Services API.  I know Chris Pinkham has plans 
> towards that goal, including potentially swapping flowplayer for 
> jwplayer, but I don't know how far along he is.
> I asked in user, but got no replies, either from April or my most 
> recent post.
> Flash is an issue but not my primary goal. Permissions for all mythweb 
> folders is set to the apache user, but there is no folder 
> corresponding to the location of the media.
> I want the preview images to show. However, are you saying that the 
> reason I can't see them is because of the storage groups? That would 
> make sense since you are saying that mythweb is not capable of using them.

I'm not sure why the preview images would not be shown, unless 
potentially those are being generated and stored by MythWeb, rather than 
the backend.  I do know that flash streaming pulls the files from the 
local filesystem, in the paths defined for that storage group.  If it 
cannot access those files locally, it will outright fail, as opposed to 
trying to stream them from the backend.  If your backend and web server 
are not both on the same machine, you're going to have to mount those 
paths using NFS.
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