[mythtv-users] Mythtranscode issues in 0.26.0+fixes

Mike Perkins mikep at randomtraveller.org.uk
Thu Jan 24 17:40:31 UTC 2013


On 24/01/13 17:24, Raymond Boettcher wrote:
> Hey Mike,
>
> Why would mythtranscode come up as "process killed or stopped?"  The reasons
> I can think that it would stop doesn't exist.  I am using 340mb out of 2000mb
> of memory on the BE..  The CPU is virtually idle.  Is there a logging
> facility attached to mythtranscode?  Can I run it from the command line
> manually on the video file to see the respective log output for the video
> file in question?
>
> How do I disable metadata lookup?  Why would that process erroring out cause
> the video to not transcode?  Is the older version of MythTranscode (0.23.1)
> able to be dropped in as a replacement for the 0.26.0 mythtranscode daemon?
> Is there a way to assign a user job to offload transcoding on my own to my
> own transcoders whether that be ffmpeg or mencoder.  How does MythTV know the
> extension for said filename has changed from .mpg to .avi?  Will it rescan
> for the same basename after the userjob is over or do I need to update the
> row in the Recordings Database and perhaps send an API Call to mythbackend to
> "refresh data".
>
> This problem is really bothering me because some of the FE's are not powerful
> enough to play 1080p directly.  The one that I thought was powerful enough
> and even running a Geforce 8500 PCI-e with NVPAU on a "Intel(R) Pentium(R)
> Dual  CPU  E2160  @ 1.80GHz" for some reason still tops out the processor
> during playback???  It plays it but there is an apparent jerkiness to the
> video which is strange for a process that should be completely offloaded to
> the GPU since its ATSC MPEG2 from ION TV??  Not to mention the amount of disk
> space it consumes.  Some of the recordings are like 12GB for an hour of
> video.  Granted I have 1TB assigned for the Recordings Drive and 2TB assigned
> for MythVideo and MythMusic.
>
> The Video file does play normally without any artifacts or problems with the
> video reception from the OTA Antenna.  I can watch it on the FE mentioned
> above.  It plays *almost* smoothly and the audio doesn't chop out unless I
> bring up the guide, info box or change the volume causing an overlay to
> appear.
>
You'll need to check your logs. I suspect you weren't using VDPAU at all. With 
that specification you certainly shouldn't have to overclock it to get it to 
play properly.

-- 

Mike Perkins



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