[MPlayer-dev-eng] Re: Another ATSC "a52: CRC check failed" problem

[Nico Sabbi]

mplayer wrote:

>
> I applied this patch and this has reduced the number of failures
> dramatically.
> There are still a few a52 error and occasionally they cause the player 
> to abort
> (usually the player has trouble synchonzing sound and video and then 
> gives up).
>
> I have a number of questions:
>
> 1) Can I make mplayer a little bit more tolerant to a52 errors, so 
> that it does
>   give up so easily or goes into some weird synchronization mode where
>   either video or audio stops.


I'm planning a fix

> 2) As Trent pointed out below, not all crc errors are related to the
>    demux_ts code. Is there a place in the a52 code where I could add a 
> print statement
>    to  see whether a crc  error is worth reporting to Nico or not. 
> E.g. apparently I not should
>    not report short AC3 frame
> 3) If I find "report worthy" crc errors, how do a capture a ts stream 
> that will allow you to look at
>    the problem. (sorry I am a bit new to the atsc stuff)
>
>

-dumpstream -dumpfile dump.ts