[streaming] Re: create 3gp compliant content with vlc

[Cavalera Claudio]

> but i doubt it will work, since the vlc encoded file format 
> doesn't even 
> play locally on my device.

I think that's because the file format output by VLC is either corrupted
or is not 3GPP compliant. Does it play on Real player on PC?

> plz correct me if i'm wrong, i'm not sure if the file format 
> (3gp, mp4) 
> does matter when it comes
> to rtp streaming...

In my view file format is just a sort of wrapper for the encoded tracks
within the file. Of course there must be a sort of coherency between
file format and codecs.
The format is important just for the server, because it must understands
how to handle data in the file and how to proper packetize them
according to RTP standards. For example darwin needs hinted files, but
other servers don't.
It is explained here http://www.rtsp.org/2001/faq.html#interop , I
remember when I first saw that Venn diagram did not understand anything.
But now It's clear. Formats are MP4/3GP, codecs Mpeg4 or H263, and
protocols SDP/RTSP/RTP :-)
So, for file based streaming, the file format is important because the
streaming server must understand it, but for live streams, the file
format does not exist, instead the server must know how to handle the
streams which arrive live from the encoder. I don't know what is worst.
:-)

Regards,
Claudio

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