[Live-devel] Possible bug in liveMedia + info request about H263 / H263plus compatibility

Ross Finlayson finlayson at live555.com
Thu Jan 10 05:55:58 PST 2008


>Cristiano Belloni skrev:
>
>>I realize H263plusVideoFileServerMediaSubsession is meant to send H263+
>>streams, which it does, but I thought H263+ was backwards compatible
>>with H263.
>>
>>
>I'm sorry i cannot answer your full mail, but the H263 and H263+ 
>uses different
>format when it is sent over RTP

No, not necessarily.  Note that H.263 *can* (and, in fact, now 
*should*) be sent using the H.263+ RTP payload format (which is what 
we implement in our code).

Note the introduction to RFC 2429, which explains this.
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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