[Libav-user] [FFmpeg-devel] ffpreset

Michael Niedermayer michaelni at gmx.at
Tue Mar 31 20:16:29 CEST 2015

On Tue, Mar 31, 2015 at 04:24:07PM +0200, Clément Champetier wrote:
> Hello,
> I work on an opensource project, AvTranscoder (
> https://github.com/mikrosimage/avTranscoder), which is basically a project
> to give a high level API of ffmpeg in C++, Java and python.
> To easily launch some encodes, we created preset files, with the same idea
> of ffpreset: text files with a list of key/value to set several options of
> the encoder before the process.
> I saw some useful commands in the ffmpeg project, to manage preset files:
> https://github.com/FFmpeg/FFmpeg/blob/master/cmdutils.c#L1921
> We would like to manipulate this type of command to get presets, like these
> ones:
> https://github.com/FFmpeg/FFmpeg/tree/master/presets
> https://github.com/joeyblake/FFmpeg-Presets
> Unfortunately, no functions are exposed in your library to manage the
> presets.
> What is your position about it? Is it in your road map to give the
> developers the ability to manipulate ffpreset from outside?

there are no plans to support that which iam aware of
but you can submit a patch(set) that implements this



Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Concerning the gods, I have no means of knowing whether they exist or not
or of what sort they may be, because of the obscurity of the subject, and
the brevity of human life -- Protagoras
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