[vdr] VDR developer version 1.3.21 - Handling of DD buffer

Helmut Auer vdr at helmutauer.de
Sun Feb 13 17:59:10 CET 2005

Klaus Schmidinger schrieb:

> VDR developer version 1.3.21 is now available at
> ...
> - Now using twice the buffer reserve in cTransfer if the primary DVB 
> card is an
>   unmodified version with only 2MB of SDRAM, to avoid audio stuttering 
> when
>   playing Dolby Digital over the DVB card (thanks to Christian 
> Jacobsen and Chad
>   Flynt for suggestions and experiments in that area). 

As far as I see in transfer.c, you are using always twice the buffer:

> FW_NEEDS_BUFFER_RESERVE_FOR_AC3 //XXX This is a very ugly hack to 
> allow cDvbOsd to reduce the buffer //XXX requirements in cTransfer if 
> it detects a 4MB full featured DVB card. bool DvbCardWith4MBofSDRAM = 
> false; #endif 

So DvbCardWith4MBofSDRAM is always false.
Is there no way to detect if a 2 or 4 MB Card is used ? 
Also a define statement is a no-go for a distri.

Helmut Auer, helmut at helmutauer.de 

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