[MEncoder-users] aspect and audio problems
mencoder at lesshaste.plus.com
Fri Jan 20 12:07:59 CET 2006
Phil Payne wrote:
> Raphael wrote:
>> I am trying to reencode a dvd which I ripped using mencoder. My test
>> command line is
>> mencoder dvd.avi -endpos 120 -ovc xvid -xvidencopts
>> bitrate=600:vhq=4:qpel:autoaspect -oac mp3lame -af pan=1:0.5:0.5
>> -channels 1 -lameopts abr:br=64 -o test1.avi
>> (I want to mix the stereo down to mono so that I can get half decent
>> sound quality with 64kbps.)
>> However, when I play back test1.avi I get a number of problems. Here
>> are two of them.
>> 1) The sound still seems to be in two channels.
>> 2) The aspect ratio is wrong on play back (things are squashed
>> horizontally and stretched vertically)
>> Any idea what I am doing wrong?
> On the aspect... the video seems to be in the original DVD PAL format
> of 720 x 576, which will look odd when played if the correct aspect
> isn't applied.
> If you want the video to automatically play at the correct aspect
> (without using mencoder and setting aspect) then I would resize it to
> soemthing acceptable to you using -vf scale=xxx:yyy
> Can't help you on the audio front, sorry.
I can add -aspect 16:9 at playback but what I don't understand is why I
need to do that. I thought autoaspect was meant to store the right
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