[Bf-committers] Need to access more ffmpeg options for a big pipeline job.

Thomas Volkmann lists at thomasvolkmann.com
Wed Mar 15 09:03:03 CET 2017

Thanks Sybren!
I'm working on a different part of the pipeline right now, so I will come back
to it later.
My C/C++ skills are rather limited (as in close to not existent) but from taking
a quick look ffmpeg_set_expert_options() should be an easy place to hardcode
some options, right?
Being able to tweak some options in the UI is for later maybe...

> "Sybren A. Stüvel" <sybren at stuvel.eu> hat am 9. März 2017 um 10:30
> geschrieben:
> Hi Thomas,
> We have had similar requests in the past, and usually the answer was
> "Blender is not an encoder". The idea of that answer is that generally
> better results are obtained by having Blender render as images, and
> then compressing those into a video stream with a tool like ffmpeg.
> This also keeps the UI relatively simple, and bug reports more
> manageable.
> However, you're just asking for info on how to create a custom build
> for yourself, and I can help you with that. The video output code can
> be found in source/blender/blenkernel/intern/writeffmpeg.c, where
> you'll also see how we pass options to FFmpeg. It shouldn't be too
> hard for you to add some extra options there.
> Cheers,
> Sybren
> On Mon, Mar 06, 2017 at 11:59:04AM +0100, Thomas Volkmann wrote:
> > Hi,
> >
> > over the coming months (hopefully years) we need to create hundreds
> > of small movies, by just replacing logos, audio and edit orders, and
> > I would love Blender to be part of that automated pipeline.
> > Unfortunately the only thing missing at the moment is to be able add
> > a compressor-effect to the final audio during encoding. There is a
> > commandline option for that in ffmpeg, but unfortunately I can't
> > access it from Blender. Can someone give me an estimation on how
> > hard it would be (as in what needs to be done) to get this to work,
> > so we could use a custom build for that? Adding a inbetween
> > renderstep is not an option, and we probably would lookout for other
> > solutions before going that route.
> >
> > Any information on this is highly appreciated!
> >
> > Thanks,
> > Thomas
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> --
> Sybren A. Stüvel
> https://cloud.blender.org/
> https://stuvelfoto.nl/
> https://stuvel.eu/

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