Re: Fixed_Quant first pass?
Mustafa Abbasi <[email protected]> Tue, 31 Jan 2006 16:24:09 +0500
| Newsgroups | gmane.comp.video.xvid.user |
|---|---|
| Message-ID | <[email protected]> |
--===============1057519473== Content-Type: multipart/alternative; boundary="----=_Part_17977_24237734.1138706649421" ------=_Part_17977_24237734.1138706649421 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On 1/31/06, Lee Morgan <[email protected]> wrote: > > Is it possible to make a fixed quant first pass? > I would like to use a fixed quant first pass possibly at quant=3D4 > (that generates a stats files) for a estimate of the required bitrate > which my program could then use as a bitrate input for the 2nd pass. so you want the same program (i use mencoder) to do 2 pass encoding while using fixed_quant. check out the programs mailing list. This would allow for ::cough:: constant quality between videos. fixed_quant does giove more or less constant quality and is great for noob= s (like me ) who don't understand the techniques. without it i usually end u= p with higher bitrates that look worse. Thanks, > Lee > _______________________________________________ > XviD-users mailing list > [email protected] > http://list.xvid.org/mailman/listinfo/xvid-users > ------=_Part_17977_24237734.1138706649421 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline <br><br><div><span class=3D"gmail_quote">On 1/31/06, <b class=3D"gmail_send= ername">Lee Morgan</b> <<a href=3D"mailto:[email protected]">leemorgan@m= ac.com</a>> wrote:</span><blockquote class=3D"gmail_quote" style=3D"bord= er-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-l= eft: 1ex;"> Is it possible to make a fixed quant first pass?<br>I would like to use a f= ixed quant first pass possibly at quant=3D4<br>(that generates a stats file= s) for a estimate of the required bitrate<br>which my program could then us= e as a bitrate input for the 2nd pass. </blockquote><div><br>so you want the same program (i use mencoder) t= o do 2 pass encoding while using fixed_quant. check out the programs mailin= g list.<br></div><br><blockquote class=3D"gmail_quote" style=3D"border-left= : 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1e= x;"> This would allow for ::cough:: constant quality between videos.</blockquote= ><div><br>fixed_quant does giove more or less constant quality and is= great for noobs (like me ) who don't understand the techniques. with= out it i usually end up with higher bitrates that look worse.=20 <br></div><br><blockquote class=3D"gmail_quote" style=3D"border-left: 1px s= olid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Tha= nks,<br>Lee<br>_______________________________________________<br>XviD-user= s mailing list <br><a href=3D"mailto:[email protected]">[email protected]</a><br><a hr= ef=3D"http://list.xvid.org/mailman/listinfo/xvid-users">http://list.xvid.or= g/mailman/listinfo/xvid-users</a><br></blockquote></div><br> ------=_Part_17977_24237734.1138706649421-- --===============1057519473== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ XviD-users mailing list [email protected] http://list.xvid.org/mailman/listinfo/xvid-users --===============1057519473==--