[MPlayer-users] mplayer -dumpstream vs mencoder -oac copy -oac copy

[RC]

On Fri, 12 Sep 2008 00:30:43 +0200
"ap2003\@libero\.it" <ap2003 at libero.it> wrote:

> So, what is the difference between the two commands? Does the second
> one have a better quality, or a worse compression, or what?

Using mencoder, you've remuxing the video and audio streams into an AVI.
 
You could be losing additional  audio streams, video streams, subtitles,
etc.  

To maintain A/V sync, mencoder may also be dropping frames in the video,
which is likely cause visual artifacts, possibly severe.