[linux-dvb] Re: AW: Re: VDR and DVD with pause -> noise corrupt

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Ralph Metzler wrote:
> 
> Klaus Schmidinger writes:
>  > If the audio frames don't contain a PTS, it's no wonder they get out of sync
>  > (even in normal replay video and audio gets out of sync after some time).
> 
> They should not any longer after my last firmware syncing patch
> about 10 days ago. This patch no longer was a workaround for the
> "jerking picture bug", which would just sync audio/video at the start
> of playback, but a complete fix. Syncing is always on now.

I just replayed a DVD with the latest versions of both driver and VDR,
but after a while video and audio ran out of sync (audio was about half
a second early). I'm not talking about external AC3 replay, but "internal"
replay of both audio and video via the DVB card (converted by the 'ac3dec'
that comes with VDR).

Do others also experience this, or is it just me?

Klaus

>  > Is there a way to have ac3dec generate the necessary PTS for the audio frames?
>  > The original Dolby Digital frames that ac3dec uses to generate the "normal"
>  > audio frames must, I believe, contain a PTS, don't they?
> 
> Of course they contain the correct PTS but reinserting it would not
> help because the decoder hardware does not support syncing for PCM sound.
> 
> Ralph

-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


-- 
Info:
To unsubscribe send a mail to listar@linuxtv.org with "unsubscribe linux-dvb" as subject.