[mythtv] [PATCH] Missing keyframes on mpeg4 transcode

Cory Papenfuss papenfuss at juneau.me.vt.edu
Sun Feb 27 23:27:40 UTC 2005


On Sun, 27 Feb 2005, Jay Merrifield wrote:

> Ya, it sounds like your problem and mine are very similar, cause
> whenever I had transcoded a file without an index, it was always
> incredibly hard to get the file back into a working state. rebuilding
> the index didn't always work, and if I was able to get seeking to work
> again, teh video would break up all over the place, and myth would
> yell at me saying that when I tried to seek I wasn't seeking to a
> keyframe. I haven't tried exporting a corrupt file though, so this is
> all just a theory.
>
>
 	So, am I correct in saying that MythTV can play/seek the 
transcoded file because it's got keyframes in the database?  Since mplayer 
announces, "duplicate frames," do you suppose it's possible to repair the 
broken transcoded file?

-Cory

*************************************************************************
* Cory Papenfuss                                                        *
* Electrical Engineering candidate Ph.D. graduate student               *
* Virginia Polytechnic Institute and State University                   *
*************************************************************************



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