[mythtv-users] HDHomerun and previews (crashes backend)

Mark Chang mark.chang at gmail.com
Thu Jan 25 22:33:17 UTC 2007

On 1/25/07, Michael Tiller <michael.tiller at gmail.com> wrote:
> My problem is with thumbnail generation.  The FFMPEG code is generally not
> very robust to garbage data structures.  As a result, it will divide by
> zero, dereference null pointers, etc.  Where does the garbage come from?
> Well it consistently comes from my HDHomerun.  This is a bit odd since I'm
> capturing from QAM and my signal strengths all seem quite reasonable.  So it
> is not a reception problem and I'm assuming its not a lock problem.  But
> nevertheless when FFMPEG tries to generate previous it crashes the backend
> (at this point it is always a segfault but sometimes it comes directly from
> the FFMPEG code and sometimes it comes from free/malloc due, presumably, to
> a corrupte malloc heap or something).

I'm using ubuntu edgy binaries w/OTA through my HDHR. Because of me
messing with my antenna, I have had lots of artifacts on recordings.
The thumbnail generation has never crashed my system, FWIW.


Mark L. Chang

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