[linux-dvb] Re: Video Disk Recorder version 0.90

[Andreas Schultz <aschultz@warp10.net>]

Stefan Huelswitt wrote:
> On 06 Aug 2001 Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de> wrote:
> 
> 
>>- Added support for replaying DVDs. See INSTALL for instructions on how to
>>  compile VDR with DVD support.
>>
> 
> Great work!
> Any way, I found a few things:
> - You can enable progessbar during dvd replay, but there is shown
>   nothing.

known limitation, i don't know yet how to calculate the current playtime.

> - After pause I don't get clear audio in dvd replay. I have to
>   enter fast forward to restore audio function. Anybody else?

AC3 or LPCM tracks? (i know that info is not (yet) displayed in vdr, try 
ifo_dump from libdvdread and look for the audio information.

> And a question:
> If a dvd has DD5.1, what is the sound output? DolbyPrologic or a
> 2-channel-downmix? My problem is that the different audiotracks

2-channel Dobly Surround Downmix, look at ac3dec/downmix.c. I don't now 
anything about ac3, any hint and help there is welcome. Newer versions 
of ac3dec do use a slightly different approach there, but there library 
interface is not suited for cdr needs.

> on a dvd are replayed at very different volumen. And it seems
> that DD5.1 tracks are much lower that real ProLogic tracks.
> 
> 
>>Haven't had time yet to adopt the other patches (like "jump-to" or "trickmode"),
>>but will do so later - please be patient...
>>
> 
> Yeah, trying my very best ;-)
> For the impatient: I hope to get some of the patches adapted to
> the new version tomorrow.

There is a patch that implemented your trickmode things for DVD in 
0.85pre4. have a look at <http://grail.warp10.net/dvd/vdr-0.85-as3.patch.gz>

> 
> 

Have fun

    Andreas



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