[XviD-devel] Buffering in the decoder or encoder.

[Yong, Chee Yeew]

Is it possible then, that the MPEG-4 algorithm (if you can call it that)
needs to buffer frames before decoding (or encoding) them? I am not familiar
with the MPEG-4 algorithm, and I hope that someone here can suggest if this
is true or not.

Thanks.
Chee

-----Original Message-----
From: Yong, Chee Yeew [mailto:Chee-Yeew.Yong at thalesgroup.com]
Sent: Monday, September 05, 2005 5:07 PM
To: 'Alexander Strange'
Cc: xvid-devel at xvid.org
Subject: RE: [XviD-devel] Buffering in the decoder or encoder.


Indeed, we are already using max_bframes=0.

-----Original Message-----
From: Alexander Strange [mailto:astrange at ithinksw.com]
Sent: Monday, September 05, 2005 4:57 PM
To: Yong, Chee Yeew
Cc: xvid-devel at xvid.org
Subject: Re: [XviD-devel] Buffering in the decoder or encoder.



On Sep 5, 2005, at 11:40 AM, Yong, Chee Yeew wrote:

> Hello all,
>
> We are using the Xvid library to do real-time interactive  
> communications.
> Therefore, we are very concerned with some delay that we are  
> finding. We
> have narrowed down the delay (in the 100-200ms region) to the Xvid  
> library,
> but the problem is we do not know whether it is the encoder or  
> decoder.
> We deduce that it is the decoder since the encoder should only ever  
> need to
> work with 1 frame (no buffering needed).

This of course depends on the settings being used. I assume you don't  
have B-frames enabled, but if you do, disable them (max_bframes = 0)  
in the encoder.


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