[MEncoder-users] Mp4 to m4v options assistance

Andrew Berg bahamutzero8825 at gmail.com
Fri Dec 4 14:58:33 CET 2009


Simon wrote:
> The main error is:
>
> x264 [warning]: b-pyramid + mb-tree is not supported
>
> Is there anything that anyone can see that we can improve on? Also, does
> anyone have any good links to assist with understanding some of the other
> options?
>   
The new mbtree feature does not work with b-pyramid. The easiest thing
to do is to simply remove b_pyramid=normal from your command line.
Encodes done with mbtree are more efficient (bits/quality) than with
b-pyramid. If you really want to use b-pyramid and/or your decoder(s)
have trouble with mbtree (apparently CoreAVC can't handle such streams
at all), add the nombtree option and keep b_pyramid=normal.


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