Re: Multithread support
"M. Pabis" <[email protected]> Thu, 5 Feb 2015 12:18:58 +0100
| Newsgroups | gmane.comp.multimedia.ogg.theora.devel |
|---|---|
| Message-ID | <CAKaX370KxVLex6TF6w-xE3gygLJzkm2V09gQhyKp8-0XmVCEXQ@mail.gmail.com> |
--===============0104383142== Content-Type: multipart/alternative; boundary=001a1140eeea66aeca050e55786f --001a1140eeea66aeca050e55786f Content-Type: text/plain; charset=UTF-8 On Wed, Feb 4, 2015 at 1:16 PM, Timothy B. Terriberry <[email protected]> wrote: > Maik Merten wrote: > > Am 04.02.2015 um 12:31 schrieb Timothy B. Terriberry: > > Could this information be gathered by having one thread encode a > > downsampled version of the input video sequence, or would this be a bad > > predictor? > > Yes. x264 has a lookahead thread with exactly this purpose (among > others). But current libtheora has nothing like this. > > Great, thanks for comments and ideas. Is there anything obvious I'm missing why this improvement would be hard or a waste of time? Mateusz Pabis --001a1140eeea66aeca050e55786f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">= On Wed, Feb 4, 2015 at 1:16 PM, Timothy B. Terriberry <span dir=3D"ltr"><= ;<a href=3D"mailto:[email protected]" target=3D"_blank">[email protected]</= a>></span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0= 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=3D"">Mai= k Merten wrote:<br> > Am 04.02.2015 um 12:31 schrieb Timothy B. Terriberry:<br> </span><span class=3D"">> Could this information be gathered by having o= ne thread encode a<br> > downsampled version of the input video sequence, or would this be a ba= d<br> > predictor?<br> <br> </span>Yes. x264 has a lookahead thread with exactly this purpose (among<br= > others). But current libtheora has nothing like this.<br><div class=3D"HOEn= Zb"><div class=3D"h5"><br></div></div></blockquote><div>Great, thanks for c= omments and ideas.</div><div>Is there anything obvious I'm missing why = this improvement would be hard or a waste of time?<br></div><div><br></div>= <div>Mateusz Pabis</div></div> </div></div> --001a1140eeea66aeca050e55786f-- --===============0104383142== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ theora-dev mailing list [email protected] http://lists.xiph.org/mailman/listinfo/theora-dev --===============0104383142==--