[MEncoder-users] Mp4 to m4v options assistance

Grozdan neutrino8 at gmail.com
Fri Dec 4 15:04:01 CET 2009


On Fri, Dec 4, 2009 at 2:58 PM, Andrew Berg <bahamutzero8825 at gmail.com> wrote:
> 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.

I haven't heard CoreAVC having problems with mbtree. Who said that?
CoreAVC has problems with the new weightp

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