[streaming] Re: Decoding MPEG4 video via UDP

Christian Gan christian.gan at librestream.com
Wed Oct 19 20:42:56 CEST 2005


Yeah, if I create an RTSP server using LIVE libraries and stream using
that, things are just peachy.  What I'm trying to do is separate out the
RTSP side of things and just stream the video/audio out myself.  Problem
is, I initially used RTP but the vlc module reports that it only
supports type 32 and 31 (which is MPEG1/2, MPEG-TS).  So for simplicity
sake I switched to using UDP in hopes that I can force VLC to understand
that it is a MPEG4 video stream.

-----Original Message-----
From: streaming-bounce at videolan.org
[mailto:streaming-bounce at videolan.org] On Behalf Of Derk-Jan Hartman
Sent: Wednesday, October 19, 2005 1:34 PM
To: streaming at videolan.org
Subject: [streaming] Re: Decoding MPEG4 video via UDP


On 19 okt 2005, at 19:54, Christian Gan wrote:
> Hello folks,
> Currently I'm using live555.com libraries to create an MPEG4 video  
> stream via UDP.  When I try to use VLC to accept this stream using  
> udp://, it defaults to using the libmpeg2 codec and fails to decode  
> the stream.  I attempted to force VLC to use ffmpeg using the - 
> codec ffmpeg option and it seems to accept the command but it still  
> uses the MPEG-2 decoder of ffmpeg.  Is there a way to tell VLC to  
> open the ffmpeg decoder using MPEG4?

UDP? are you sure you don't mean rtp???
Anyways. If you wanna stream anything other then MPEG-TS, you should  
create an RTSP Server session, and feed VLC a SDP file or a rtsp://  
link.

DJ
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