[MPlayer-cvslog] CVS: main/DOCS/tech encoding-guide.txt,NONE,1.1

Rich Felker dalias at aerifal.cx
Wed Jun 22 17:12:59 CEST 2005

On Wed, Jun 22, 2005 at 11:39:30AM +0200, Guillaume Poirier CVS wrote:
> III.4. Notes on A/V sync
> MEncoder's audio/video synchronization algorithms were designed with
> the intention of recovering files with broken sync. However they seem
> to cause unnecessary skipping and duplication of frames, and possibly
> slight A/V desync, when used with proper input. It is therefore
> recommended that you switch to basic A/V sync with the -mc 0 option,
> or put this in your ~/.mplayer/mencoder config file, as long as you
> are only working with good sources (DVD, TV capture, high quality
> MPEG-4 rips, etc) and not broken ASF/RM/MOV files.

This section is highly questionable. Unfortunately broken DVDs are the
main time non-zero -mc values seem to be needed... so I'm not sure
what we should do with it. We really need to fix mencoder's handling
of audio so that -mc 0 always works.


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