[Live-devel] Data Trimmed problem

Salick salick at videocells.com
Sun Apr 2 03:17:39 PDT 2006


Thank you very much!

-----Original Message-----
From: live-devel-bounces at ns.live555.com
[mailto:live-devel-bounces at ns.live555.com] On Behalf Of Ross Finlayson
Sent: Sunday, April 02, 2006 10:28 AM
To: LIVE555 Streaming Media - development & use
Subject: Re: [Live-devel] Data Trimmed problem

At 12:19 AM 4/2/2006, you wrote:
>Hello, I've written to subclasses for AMR and H263 sources.
>The AMR class works fine, and by using ethereal I see the complete 
>data I'm sending.
>But for the H263Source the first two bytes of the data always get 
>trimmed for some reason. Why is that?

See RFC 2426, which defines the RTP payload format for H.263+ (which 
is implemented by "H263plusVideoRTPSink".  The first two bytes of 
each H.263 frame (which would be zero) are replaced - in the outgoing 
RTP packet - by a 2-byte special header.


	Ross Finlayson
	Live Networks, Inc. (LIVE555.COM)
	<http://www.live555.com/>

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