[MPlayer-users] How to find "technical differences" in MPEG?

[info at danielerossi.net]

Loren Merritt wrote:
> On Mon, 19 Feb 2007, karl-heinz-1950 at web.de wrote:
>
> [snip]
>>
>> how can I verify this?
>
> Don't trust the bitrate value printed by MPlayer. It's just read from
> an informative header in the file, and there's no guarantee that the
> muxer put the correct bitrate value there.
> Since 9800 kbps is the highest rate allowed on dvd, a muxer that
> actually says 9800 probably didn't know the bitrate and just played it
> safe by writing that number.
> Any mpg I create with mencoder or ffmpeg has a nominal bitrate of 0 
> kbps, which is just as obviously wrong as 9800.
>
> --Loren Merritt
> _______________________________________________
>

a good codec information tools under windows is
Gspot
http://gspot.headbands.com/.

-DR