[Live-devel] VLC mpeg4

Baudouin, Charles Charles.Baudouin at cobham.com
Fri Oct 21 01:51:30 PDT 2011


That is my understanding. The reason we want to create on is that there is no other way of conveying the PTS-PCR (TS stream) to the decoder, and hence how much receive buffer the
decoder needs. It's actually for milestone which does support the RFC I believe. We am happy to use TS streams for VLC.

From: live-devel-bounces at ns.live555.com [mailto:live-devel-bounces at ns.live555.com] On Behalf Of Ross Finlayson
Sent: 21 October 2011 09:38
To: LIVE555 Streaming Media - development & use
Subject: Re: [Live-devel] VLC mpeg4

I am correct in saying the VLC supports MP4V-ES but not mpeg4-generic (RFC3640) for m=video.

I assume here that you are talking about VLC *receiving* RTP video.  (When *sending* RTP, VLC does not use our software.)

In principle, the "LIVE555 Streaming Media" library (used by VLC) can receive either payload format: "MP4V-ES" or "MPEG4-GENERIC" - depending on what's specified in the stream's SDP description.  However, the code that VLC uses to interface with LIVE555 assumes that a "MPEG4-GENERIC" stream is audio only.

(I have never seen a stream that uses "MPEG4-GENERIC" for video.)

So, if you want to send MPEG-4 video over RTP, you should use the MP4V-ES payload format.

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


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