[FFmpeg-devel] [PATCH] Extract rotation in MOV metadata
dbadia at gmail.com
Thu Apr 7 14:36:21 CEST 2011
On Wed, Apr 6, 2011 at 3:12 AM, Tomas Härdin <tomas.hardin at codemill.se> wrote:
> James Zern skrev 2011-04-06 02:50:
>> Couldn't this be more generically extracted as the acos of  then
>> verified against ?
> Or even better, also verify  == - and use atan2() of  and
>  (or , depending on how the matrix is stored).
Sorry I'm afraid these suggestions are over my head as it's been too
many years since I've taken trigonometry. I can help by testing any
patches that are put out. Personally it doesn't matter to me how the
patch functions as long as there is a way to extra this data at the
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