[FFmpeg-devel] Correctly fill the SSRC field in RTP packets

[Luca Barbato]

Luca Abeni wrote:
> Hi all,
> 
> I've just realized that the RTP muxer currently fills the
> SSRC field in RTP packets with 0, generating multiple RTP
> streams with the same SSRC. Unless I misread RFC3550, this
> is not ok, since different streams in the same session
> should have different SSRCs.

Right

> The attached patch fills the SSRC field using the address
> of the AVFormatContext, so that different streams in the
> same session will have different SSRCs.

Would be better using the mersenne twister for the first and then 
increment it. In feng we use a strong random for most of the random 
filled fields to make even the most paranoid happy ^^;

lu

-- 

Luca Barbato
Gentoo Council Member
Gentoo/linux Gentoo/PPC
http://dev.gentoo.org/~lu_zero