On Wed, Dec 17, 2014 at 6:26 PM, Christophe Thommeret <hf...@free.fr> wrote:
>
> Hi all,
>
> I use Shotcut to edit some things (MachinTruc doesn't support interlace
> yet)
> and i notice that there is no gpu based rotation filter.
> The soft one is damn slow and too much aliased to my taste.
>
> I have one in MachinTruc that could be ported to MLT.
> It's implemented in a 'Size Position Rotation" filter for efficiency,
> so i guess it should go in MLT's movit.rect.
>
> Question: should the fragment shader be harcoded in movit.rect or is there
> any way for MLT to install a shader file system wide ?
>
Every MLT module has a directory in /usr/share/mlt/opengl that you can put
it into. See the module's Makefile to see how it installs the .yml files.
You can put it into the same directory. Then, to load it use do something
like:
string(mlt_environment("MLT_DATA")) + string("/opengl/rotate.frag")
--
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