[mythtv-users] Playing back old recordings

Piers Kittel mythtv at biased.org
Wed Apr 11 15:42:46 UTC 2007


Hello all,

Thanks to those who helped with my udev problem!

I've got another small problem relating with transferring videos from  
old hardware to new one.  Essentially, I just dumped everything from  
the old database, and put everything back in the new database.   
Everything works, I can see a list of previous recordings, I can see  
image previews, everything.  But when I try to start a recording, I  
just get a black screen and the frontend crashes.  It strongly looks  
like the backend can't access the recording - but it's strange as I  
can view static images from the video.  Here's a snippet of the  
output from the backend:

2007-04-11 16:38:17.630 MainServer::HandleAnnounce Monitor
2007-04-11 16:38:17.630 adding: Stella.local as a client (events: 0)
2007-04-11 16:38:17.632 Preview Error: Previewer file '/video/ 
1953_20070411095300.mpg' is not valid.
2007-04-11 16:38:17.632 MainServer: Failed to make preview image.
2007-04-11 16:38:17.732 MainServer::HandleAnnounce Playback
2007-04-11 16:38:17.732 adding: Stella.local as a client (events: 0)
2007-04-11 16:38:17.734 MainServer::HandleAnnounce FileTransfer
2007-04-11 16:38:17.734 adding: Stella.local as a remote file transfer
2007-04-11 16:38:18.236 RingBuf(/video/1953_20070411095300.mpg.png):  
Could not open /video/1953_20070411095300.mpg.png.
2007-04-11 16:38:18.254 MainServer::HandleAnnounce Monitor
2007-04-11 16:38:18.254 adding: Stella.local as a client (events: 0)
2007-04-11 16:38:18.256 Preview Error: Previewer file '/video/ 
1953_20070411095300.mpg' is not valid.
2007-04-11 16:38:18.256 MainServer: Failed to make preview image.
2007-04-11 16:38:18.664 MainServer::HandlePixmapLastModified() -  
Couldn't find backend for: Bowling for Columbine : ""
2007-04-11 16:38:18.669 MainServer::HandleAnnounce Playback
2007-04-11 16:38:18.669 adding: Stella.local as a client (events: 0)
2007-04-11 16:38:18.671 MainServer::HandleAnnounce FileTransfer
2007-04-11 16:38:18.671 adding: Stella.local as a remote file transfer
2007-04-11 16:38:19.032 MainServer::HandlePixmapLastModified() -  
Couldn't find backend for: Bowling for Columbine : ""
2007-04-11 16:38:19.476 MainServer::HandlePixmapLastModified() -  
Couldn't find backend for: Bowling for Columbine : ""

Permissions seems OK to me unless I'm mistaken?  I'm sure it's OK as  
the old recordings and the new ones both has exactly the same  
permissions.

-rw-r--r-- 1 root root 2039667084 2007-04-01 01:20  
1010_20070401000300.mpg
-rw-rw-rw- 1 root root      20053 2007-04-04 21:13  
1010_20070401000300.mpg.png
-rw-r--r-- 1 root root 2064752300 2007-04-01 02:20  
1010_20070401010300.mpg
-rw-rw-rw- 1 root root      21702 2007-04-01 03:13  
1010_20070401010300.mpg.png
-rw-r--r-- 1 root root 2026678540 2007-03-25 14:05  
1013_20070325125800.mpg
-rw-rw-rw- 1 root root      34532 2007-03-25 14:56  
1013_20070325125800.mpg.png
-rw-r--r-- 1 root root      17844 2006-04-28 18:57  
1014_20060428180300.mpg.png
-rw-r--r-- 1 root root      17962 2006-05-07 01:11  
1032_20060507000500.mpg.png
-rw-r--r-- 1 root root      39008 2005-06-15 12:17  
2000_20050615121700_20050615122100.nuv.png
-rw-r--r-- 1 root root      27367 2005-07-07 13:41  
2000_20050707133800_20050707142000.nuv.png

I've also tried myth.rebuilddatabase.pl but to no avail.

Thanks for your help in advance.

Regards - Piers


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