[vdr] Re: [PATCH] AC3overDVB 0.1.1

[s.huelswitt@gmx.de (Stefan Huelswitt)]

On 02 Feb 2003 "Reinhard Walter Buchner" <rw.buchner@freenet.de> wrote:

> - a few messages about linux kernel buffer empty

In transfer mode the data received from the card is send back
immediately. As both streams are real-time, any small delay
causes the buffer to run out. I have enabled the buffer reserve
code in transfer.c, too.

> - small audio "cut outs" while moving around in the OSD

This is "normal". Any OSD activity has probability to cause
audio/video distortions. I cannot say if this ever can be fixed
in the driver.

> I'm still having the problem of short white noise (as reported
> on the beta test), when starting a DVD. Could you point me
> to the code, where you do the 320ms mute?

It's in multichannelaudio.c cAudioEncapsulator::SendIECPause().
This function creates a 32ms pause frame. The number of calls on
every first burst is determined in
cAudioEncapsulatorAC3::StartIECFrame() variable firstBurst.

> Last question: MP3 no longer works ;o(( This is a virgin
> mp3 0.7.9. You can start playing a mp3 (VDR does start
> playing), but I can't hear anything. Of course, I also tried
> to switch off LiveAC3 & DD/DTS in the DVB setup, but
> it didn't help.

This have been a problem back in 0.1.0. With 0.1.1 I have no
problems playing MP3.

-- 
Stefan Huelswitt
huels@iname.com  | http://home.pages.de/~nathan


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