https://wiki.yobi.be/index.php?action=history&feed=atom&title=Bttv 2026-04-03T20:19:08Z Revision history for this page on the wiki MediaWiki 1.35.13 https://wiki.yobi.be/index.php?title=Bttv&diff=1432&oldid=prev 2006-11-17T21:28:18Z

<p></p> <p><b>New page</b></p><div>Acquisition de l'entrée composite encodée en Divx4:<br /> <br /> Première passe avec capture du son en raw:<br /> mencoder -tv on:driver=v4l:input=1:norm=PAL:width=384:height=288:outfmt=rgb16 -o file1.avi -ovc lavc -lavcopts vcodec=mjpeg -oac copy<br /> Deuxième passe pour compresser le son:<br /> mencoder file1.avi -o file2.avi -ovc copy -oac mp3lame<br /> <br /> vcodec=&lt;value&gt; use the specified codec (there is no default, you must specify it):<br /> __mjpeg__: Motion JPEG<br /> __h263__: H263<br /> __h263p__: H263 Plus<br /> __mpeg4__: DivX 4/5<br /> __msmpeg4__: DivX 3<br /> __rv10__: an old !RealVideo codec<br /> __mpeg1video__: MPEG1 video :)<br /> <br /> vhq high quality mode, encode each macro<br /> block in all modes an choose the smallest<br /> (slow). (default: HQ disabled)<br /> <br /> vpass=&lt;1-2&gt; Activates internal 2pass mode (default: disabled):<br /> 1: first pass<br /> 2: second pass<br /> <br /> vbitrate=&lt;value&gt; specify bitrate (pass 1/2) in kBit &lt;4-16000&gt; or Bit &lt;16001-24000000&gt;<br /> (warning: 1kBit = 1000 Bits)<br /> (default: 800)<br /> Pour le convertir:<br /> [mencoder &lt;source&gt; -oac mp3lame -lameopts br=96:abr -ovc frameno -o frameno.avi]<br /> mencoder &lt;source&gt; -oac copy -ovc lavc -lavcopts vcodec=mpeg4:vhq:vbitrate=800:vpass=1 -o /dev/null<br /> mencoder &lt;source&gt; -oac copy -ovc lavc -lavcopts vcodec=mpeg4:vhq:vbitrate=800:vpass=2 -o &lt;dest&gt;<br /> <br /> * http://tuxpower.f2g.net/mencoder.php<br /> * http://www.mplayerhq.hu/DOCS/encoding.html</div>

PhilippeTeuwen