Re: [Kaffeine-devel] Re: DVB performance issue
Brought to you by:
hftom,
lasselindqvist
From: Matthias L. <mat...@gm...> - 2005-10-19 07:39:07
|
Hi Martin and Christophe, The upcoming HDTV on Astra (ProSieben and Sat1, Premiere) will be based on H.264 (MPEG4 AVC) and that is going to be a problem. Xine (>= 1.10) should support H.264 but the question is if it will support high profile and if it is efficient enough to support bitrates up to 20 Mbit/s on any CPU. MPEG2 HDTV is no problem on my A64 X2 4800+ it takes 60 % on one core. Btw. xine is not very multicore capable. All decoding and deinterlacing happens on one core! Does anybody know if xine can detect an H.264 stream inside an MPEG2 transport stream? Christophe, do we need to modify the PAT/PMT generation? I'll also have a look at this. I guess we'll see when it starts in the next weeks. Matthias > --- Ursprüngliche Nachricht --- > Von: Christophe Thommeret <hf...@fr...> > An: kaf...@li... > Kopie: Martin Honermeyer <ma...@st...> > Betreff: Re: [Kaffeine-devel] Re: DVB performance issue > Datum: Wed, 19 Oct 2005 02:17:42 +0200 > > Hi Martin, > > Le Mercredi 19 Octobre 2005 01:04, Martin Honermeyer a écrit : > > Wow. It's down from 100% to 10% CPU usage now.. Not as fast as mplayer > > (1-5%), but perfectly usable! > > xine is as fast as mplayer. The difference may be deinterler > configuration. > > > Thanks for your work! Looking forward to watching German HDTV coming up > in > > the next week ;-) > > HDTV is a real cpu eater. 90% with no deinterlacer on my athlonxp2600+xv. > And > of course, without deinterlacing the image is horrible on a 1024x768 > screen. > One solution would be to use the xvmc output plugin (if your video card > support that), but you loose the wonderfull greedy2frame deinterlacer. > I'm curious what an athlon 64 can give there. > > btw, on hdtv, there is no osd. i disabled it because it crashes on some > video > cards. But you can try to enable it in KXineWidget::dvbShowOSD() : remove > the > if(w<800) condition. (osd also eats a lot of cpu). > > -- > Christophe Thommeret > > > > ------------------------------------------------------- > This SF.Net email is sponsored by: > Power Architecture Resource Center: Free content, downloads, discussions, > and more. http://solutions.newsforge.com/ibmarch.tmpl > _______________________________________________ > Kaffeine-devel mailing list > Kaf...@li... > https://lists.sourceforge.net/lists/listinfo/kaffeine-devel > -- Highspeed-Freiheit. Bei GMX supergünstig, z.B. GMX DSL_Cityflat, DSL-Flatrate für nur 4,99 Euro/Monat* http://www.gmx.net/de/go/dsl |