[MPlayer-dev-eng] [PATCH] Fix for fix for mpeg2 A/V sync bug.

Erik Auerswald auerswal at unix-ag.uni-kl.de
Sun Oct 23 22:30:48 CEST 2011


Hi,

On 10/23/2011 08:16 PM, Dan Oscarsson wrote:
> sön 2011-10-23 klockan 15:38 +0200 skrev Erik Auerswald:
>
>> Without your patch, the status line quickly converges to
>>
>> A:  50.4 V:  50.4 A-V:  0.000 ct: -0.495 1232/1232 16%  2%  1.8% 1 0 48%
>>                     ^^^^^^^^^^^^^^^^^^^^^^
>>
>> which stays (nearly) constant. Audio is played at the correct time (e.g.
>> pistol shot). Some minutes into the movie A-V: and ct: start to have
>> small changes, ct: always staying in the interval [-0.495,-0.499].
>>
>> With your patch, the A-V: and ct: fields of the status line are
>> constantly changing. They both mostly display small values (±0.0xx),
>> never as big as -0.495. Audio is noticably late.
>
> Not having a DVD to test on I am not sure why the difference. Though I
> have done some tests on some of my files and I suspect what the problem
> is.
>
> Attached is a slightly changed version of my previous patch. Does it
> work better?

Yes, it does indeed work better. Playback of the DVD mentioned above 
works fine, I see no difference with or without your second patch. I 
have tested another DVD as well, no problems with that either.

Thanks,
Erik


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