[h323plus] H264 PLUGIN In H323Plus

Simon Horne s.horne at packetizer.com
Wed Jul 21 20:51:42 EDT 2010


Kc ooi


If you use the current CVS you can use the existing CIF definition  and add



to <yourEndpoint>::OpenVideoChannel()  

on the encoder side there is a call back to the codec to limit the sending
bitrate to 256k (which will limit the CIF frame rate in this case) 

on the decoder side there is a flow control request sent after the OLC to
limit the remote sending to 256k





From: h323plus-bounces at lists.packetizer.com
[mailto:h323plus-bounces at lists.packetizer.com] On Behalf Of kc ooi
Sent: Wednesday, July 21, 2010 6:24 PM
To: h323plus at lists.packetizer.com
Subject: Re: [h323plus] H264 PLUGIN In H323Plus


Hi All,

Currently, I am working on H.264 codec to limit it's maximum video rate
always less than 256kbps.

I use the settings as below:
Profile: baseline profile
Level: 1.2 
resolution: CIF resolution
frame rate: 10fps. 

However, In the H.264 Recommendation, the level 1.2 has default value
maximum bit rate with 384kbps.
So, anyway to customize my H.264 codec (or do setting on my x264 encoder) to
produce the video size 
always less than 256kbit / sec.


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