-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Camaleón <noela...@gmail.com> writes:
> On Sat, 15 May 2010 20:18:03 +0200, Merciadri Luca wrote: > >> Camaleón writes: >> >>> Does this happen if you play the videos with another media player >>> (Totem, Xine, MPlayer, etc...)? > >> Yes. Both take some time to go further in the video. I sometimes have to >> wait ~5 secs. to get the video start at the asked time, whatever the >> player: Totem, MPlayer. > > Strange. If you haved tested with several video file containers (video > formats), different audio/video codecs and also using different video > players and all of them behaves in the same manner... I would suspect > about the performance of video card. > >>> No, but I guess it would depend on many factors, i.e., good hardware >>> (graphic card chipset) is required to avoid video jumps, lags or >>> pauses. > >> It should not be the hardware, as my graphic card works perfectly under >> other circumstances. The CPU is also ~0% when testing, so not this too. >> Same for HDDs. > > Yes, but not all video cards perform good when playing HD (or HD ready) > videos. For instance, Intel cards (the ones you can find embedded into > the majority of netbooks) are not the most suitable for high quality > video streaming/playing :-) Sure, but I am not here on a laptop, and I use an Nvidia GeForce FX5700. Okay, this is pretty bad for a video card, but it should cope with such videos. >>> Also, the transmission method is important. Playing HD video files over >>> the network (remotely by Internet or locally by means of samba or NFS) >>> it could also affect. Moreover, playing the video files "wirelessly", >>> can harden the situation. > >> Unfortunately, these are ~50 M videos, sometimes even without any sound, >> and their quality is not HD, sure. They are read _locally_ so from my >> local hdd to my screen: no network. > > O.k. > >>>> What would it be due to? >>> >>> Many causes. But if the file plays fine with another player, you can >>> blame VLC :-) > >> I suspect the codecs are problematic. But why would they be so? > > Which codecs do you find to be problematic? :-? > One more question, though... how about a DVD video? It renders the > same? :-? > Try with several video files using different video codecs and make some > performance tests. DVDs play nicely. It works better with MPEG-1 videos, 30 fps. That is, there is a lag of ~1 sec. if I go to some specified time in the video. It works best (i.e. no perceptible lag) with XVID MPEG-4. FLV works nicely too. Quicktime (.mov) is nice too. It works pretty bad with Microsoft Windows Media 9 and .mkv. > Note that every video player uses its own set of codecs (VLC and MPlayer > at least, Totem maybe uses system-wide a/v installed codecs) so > performance may vary between them. Ok. Thanks. - -- Merciadri Luca See http://www.student.montefiore.ulg.ac.be/~merciadri/ - -- Courage is not the absence of fear, but rather the judgement that something else is more important than fear. (Ambrose Redmoon) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Processed by Mailcrypt 3.5.8 <http://mailcrypt.sourceforge.net/> iEYEARECAAYFAkvvw+IACgkQM0LLzLt8MhxYOgCdEI07W6r57euASJh9ITi1yDPf 69cAn1oxTv0SqQvJqYnYirOxoR5BDpmb =9wZx -----END PGP SIGNATURE----- -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/87r5lcma71....@merciadriluca-station.merciadriluca
