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

[Sybren A. Stüvel]

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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