[MEncoder-users] mp4 audio slipping when played back in Quicktime

[Erik Slagter]

Bram wrote:
> The thing I'm worried about there, is that perhaps ffmpeg/mplayer/faac
> do not accept the same input video formats. Or parse them differently.
> In my case, I don't have control over the input video, and therefore I
> may (and do!) receive the weirdest formats. So far, it seems mencoder
> 'wins' in understanding most formats, though it does need more hinting
> (e.g. supplying specific demuxers on the cmdline for specific video
> formats, etc). So it would be nice if just 1 tool demuxes and/or decodes
> all the video files.
> 
> I actually hope I'm wrong in thinking that mencoder understands more
> video formats than, say, ffmpeg. Since in my experience, ffmpeg
> auto-analyzes the input videos better. But as I understand mencoder
> should be able to handle input videos that *require* a windows dll for
> decoding, whereas ffmpeg does not have that option. So mencoder by
> definition is better suited. Or am I wrong here, and can all codecs that
> mencoder understands be decoded by ffmpeg as well?

If transcoding "weird" codecs is a requirement for you, then mencoder 
probably is your best bet.

I only transcode DVD (mpeg2video+ac3 in ps) and DVB (mpeg2video+mp2 in 
ts), that's all. All of mplayer, mencoder and ffmpeg handle these well.

It's only the subtitling that is a problem :-/