Date: Tue, 16 Sep 1997 08:43:15 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: Petri Helenius <pete@sms.fi> Cc: freebsd-multimedia@FreeBSD.ORG Subject: Re: MPEG multicast receiver Message-ID: <199709161543.IAA03975@rah.star-gate.com> In-Reply-To: Your message of "Tue, 16 Sep 1997 14:33:55 %2B0300." <199709161133.OAA05631@silver.sms.fi>
next in thread | previous in thread | raw e-mail | index | archive | help
It looks great! Kind of hard to imagine the mbone at least in the intranet not to take off with quality as good as this mpeg stream . Cheers, Amancio >From The Desk Of Petri Helenius : > Amancio Hasty writes: > > Would you happen to know how may frames / sec is it trying to send and > > at what resolution? > > CIF resolution, 23.98 fps. > > > > > Also how does look compare to h.261? > > MPEG has not changed since we last checked this, if you want to see > what 600kbps looks like, pull over > ftp://ftp.sms.fi/pub/Cisco/outgoing/c36p1_6.mpg (it's truncated I know > :-) > > Pete > > > > > Tnks! > > Amancio > > > > >From The Desk Of Petri Helenius : > > > Amancio Hasty writes: > > > > Curious, which platform is generating the mpeg stream? > > > > > > > Precept's IP/TV. The only one I know of which does send RTP > > > encapsulated stuff and not some mumbo-jumbo invented by a someone not > > > having a clue about interoperability. > > > > > > Pete > > > > > > > Tnks, > > > > Amancio > > > > From The Desk Of Petri Helenius : > > > > > Petri Helenius writes: > > > > > > > > > > > > I'm glad to report that I've successfully received MPEG video > > > > > > directly live from a multicast MPV transmission using a little h acked > > > > > > rtpdump (to get rid of the MPEG payload header) and mpeg-tv. It runs > > > > > > nice around 10fps (without audio, I'm working on that :-) even o n my > > > > > > lowly P90. I'm just piping the data to mpeg-tv. MPEG-TV seems to be > > > > > > quite loss-friendly, just some artifacts pop when a packet is lo st > > > > > > every now and then. > > > > > > > > > > > Commenting on myself, I got the audio working (though no > > > > > synchronization) by piping the audio stream to mpg123 and now I've > > > > > 1.5 megabit MPEG audio/video live decoder directly off the network > > > > > (though it makes me fairly short on CPU :-) > > > > > > > > > > Pete > > > >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199709161543.IAA03975>