[FFmpeg-devel] Need some pointers

Michael Niedermayer michaelni at gmx.at
Wed Feb 26 03:32:20 CET 2014

On Tue, Feb 25, 2014 at 11:56:14AM +0000, Eli Kara wrote:
> HI all,
> I have an issue with an mpegts file that I'm trying to debug. The file was created by ArgusTV when recording a DVB-T source.
> FFmpeg can probe it just fine and play it well. I'm working within XBMC but have an issue that annoys me.
> At some point in the first few seconds of play, the av_read_frame function returns with a packet that has a duration of 0 and weird but very
> large dts/pts values. I'm trying to figure out if it's just the file that is problematic or is this something in FFmpeg that maybe needs looking into.
> The end result for XBMC is that is causes the duration to jump from ~43 minutes to something like 18 hours and 20+ minutes.
> Is there a way to validate frames somehow over the entire stream? Maybe a validation run somehow..
> I'm guessing this is a parsing issue due to bad input but I'd really like to make sure. Any help is very much appreciated no matter how small
> (even: look at file X in the code).

maybe the output from "-fdebug +ts" might be usefull if you want to
investigate this


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I do not agree with what you have to say, but I'll defend to the death your
right to say it. -- Voltaire
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