[mythtv-users] OT : Anyone know a utility to scan an MPEG-2 file for errors?
Nick
knowledgejunkie at gmail.com
Sun Mar 12 16:21:03 UTC 2006
On 12/03/06, Micah Wedemeyer <fanmail at micah-wedemeyer.net> wrote:
> I keep getting these "first frame is no keyframe" errors during
> playback. It has something to do with FF an REW. At first I thought
> moving to 0.19 had fixed it, but now it's popping up again.
>
> In the interest of tracking the true problem down, I'm trying to start
> at the very base. I did a raw video capture from /dev/video0 (I have a
> PVR-250) for about 2 hours. I'd like to run some sort of scanner on it
> to analyze if there are any problems. If so, I would guess that my
> PVR-250 is going bad and I should start looking for a replacement. This
> would not be too much of a surprise, since for about a year I had it
> running in a machine that was way out of spec heat-wise, and the PVR was
> routinely hot enough to burn me if I touched it.
>
> So, anyone know of any MPEG-2 scanning utilities? I tried playing it in
> mplayer, and it seemed like it was reporting some problems, but I
> couldn't really understand the output. Maybe I should post some of it here.
I routinely use ProjectX (a GUI Java app) to scan and repair MPEG2
video files (both DVB-T and PVR-x50 sourced, although the latter are
always OK). There's likely a command line app that does the same, but
I've not found one as comprehensive as ProjectX.
Nick
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