[mythtv] MPEG4 and seektables

Michael T. Dean mtdean at thirdcontact.com
Sat Mar 18 07:48:01 UTC 2006


On 03/17/2006 11:57 AM, David Asher wrote:
> I started using Steve Adeff's tv.com script (thanks Steve!) to load some 
> videos into the MythTV database.
>
> The are MPEG4 .avi's.  They play fine, but seeking is terrible.  I kinda 
> expected that since there was no seek table.
>
> So, I thought: "lets create a seek table for them".  I tried:
>
> $ mythcommflag --rebuild -f <avifile>
>
> This acted like it was working, but the resulting seek table is horribly 
> broken.
>   
...
> So, I'm thinking the key frames weren't correctly found.
>
> I've got 2 questions:
>
> 1. should i expect seek table generation to work for an MPEG4 ?
>
> 2. what is the difference between the --video and --rebuild -f options 
> for creating the seek table?
>   

mythcommflag --help
2006-03-18 02:46:31.809 Valid Options are:
-c OR --chanid chanid        Flag recording with given channel ID
-s OR --starttime starttime  Flag recording with given starttime
-f OR --file filename        Flag recording with specific filename
--video filename             Rebuild the seektable for a video 
(non-recording) file

Use "--video" for non-recordings.

Mike



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