[MEncoder-users] Tutorial?

[Guillaume POIRIER]

Hi,

On 9/26/06, Aaron Digulla <digulla at hepe.com> wrote:

[..]

> Some random thoughts:
>
> - Send mencoder over the input to cut it into "scenes" (ie. blocks which
> probably need the same encoding parameters for best results)
> - Run some test encodings on each scene to determine the best encoding
> parameters towards the goal (quality or size). Just encode 5 to 10
> images in each scene.

5 or 10 images isn't realistic.

> - For fixed bitrate, do another run (this is the old first pass)
> - Encode the video for real

Don't bother writing your own app to do this, mencgen already does the
genetic exploration of encoding options for you:

http://www.caps-entreprise.com/private/dolbeau/lavcGenetic/lavcGenetic.html

You do have to create a revelant sample (be it just one scene or a
bunch of them cat together).

Guillaume
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