On Mon, Feb 22, 2010 at 10:06 PM, Ken Bass <daytooner at gmail.com> wrote: > On Mon, Feb 22, 2010 at 5:29 PM, Rolf Ernst > <rolf.ernst at silverlightning.org>wrote: > > > On Mon, Feb 22, 2010 at 7:16 PM, Ken Bass <daytooner at gmail.com> wrote: > > > > > On Mon, Feb 22, 2010 at 4:01 PM, Rolf Ernst > > > <rolf.ernst at silverlightning.org>wrote: > > > > > > > On Mon, Feb 22, 2010 at 4:36 PM, Ken Bass <daytooner at gmail.com> > wrote: > > > > > > > > > On Mon, Feb 22, 2010 at 12:09 PM, Oliver Seitz <info at vtnd.de> > wrote: > > > > > > > > > > > Am 22.02.2010, 19:51 Uhr, schrieb Ken Bass <daytooner at gmail.com > >: > > > > > > > > > > > > Another question would be, why would you want to rescale a video > > > > without > > > > > > recoding? > > > > > > > > > > > > > > > > The reason is that I have several videos that won't play on my home > > > > theatre > > > > > system because it is limited to a resolution of 800x600. And, no, > I'd > > > > > rather > > > > > not have to buy a new system at the moment. I just wondered if > there > > > > might > > > > > be a way to quickly and easily rescale without fully recoding. > > > > > > > > > > And I wasn't sure recoding would give me any significantly better > > > > quality, > > > > > given the time it would take to do it (even with a 4 core 3Ghz > system > > > it > > > > > might take longer to recode then the length of the video). But as > you > > > > > surmised, and I found out, the quality was much worse, so it's > > probably > > > > > best > > > > > to just fully recode. > > > > > > > > > > So I'll just sit back, make some popcorn, have some coffee, and > wait. > > > > > > > > > > Thanks for the explanation, though. > > > > > > > > > > FWIW: Necessity is the mother of invention. So we'll have to wait > > till > > > > some > > > > > scientist needs it :-). > > > > > > > > > > ken > > > > > _______________________________________________ > > > > > MPlayer-users mailing list > > > > > MPlayer-users at mplayerhq.hu > > > > > https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users > > > > > > > > > > > > > The resolution is part of the container information > (AVI/MP4/MATROSKA). > > > > Whatever this info says, that'll play. There is no recording > involved. > > > > Sometimes you can just edit this header information but most likely > you > > > > will > > > > wind up remultiplexing which is still very fast and there is no > quality > > > > loss/encoding. > > > > > > > > /re > > > > _______________________________________________ > > > > MPlayer-users mailing list > > > > MPlayer-users at mplayerhq.hu > > > > https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users > > > > > > > > > > Okay, that makes sense. Now (warning: stupid question) how would I do > > that > > > - > > > edit/remux? > > > > > > ken > > > > > What container format do you have (what extension generally)? What > > operating > > system are you running? > > _______________________________________________ > > MPlayer-users mailing list > > MPlayer-users at mplayerhq.hu > > https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users > > > > Most of the videos are AVIs. Some are WMVs and MPGs. > > I am running on linux - Fedora 12. I also have an XP box that I use for > windows only apps. (FWIW, look at "MediaCoder" - www.mediacoderhq.com. The > guy did a great job at building a gui front end to most of the general a/v > transcoders). > > AVIs really do not know any aspect ratios, everything is square there. > Don't know off hand WMV but MPG (is it MP4?) you can use mp4box. Matroska is > the most versatile (which I use) and you use mkvtoolnix for that. Both > mkvtoolnix and mp4box are available under Linux and Windows. Since AVI is > such a pain in the neck and lacks this info I would suggest to simply > multiplex that with mkvtoolnix (there is also a GUI). You can also inject an > aspect ratio into the AVI file with the -aspect option but most players > besides mplayer would ignore this.But you worry about resolution anyhow. > If mplayer does not properly detect your screen size you can also override this with a parm, not sure off the top oxx my head but something like -screenx or at least along those lines. Now a really dumb question from me - why don-'t you just use mplayer -x XXX -y YYY?
