[FFmpeg-devel] [PATCH] avfilter: add skipblend filter
matthias.troffaes at gmail.com
Thu Nov 1 10:38:17 EET 2018
Dear FFmpeg developers,
... is there a possibility for this patch to get applied? Obviously
I'm happy to work further on the code where need be to get this
On Wed, Oct 24, 2018 at 11:14 AM Matthias Troffaes
<matthias.troffaes at gmail.com> wrote:
> Attached a patch which adds a "skipblend" filter, which I've been
> using for a while. My hope is that an ffmpeg developer here can merge
> it. The filter is similar to the framestep filter, but additionally
> blends frames together at each step, for a motion blur effect. The
> number of frames that are blended (i.e. the exposure time, in frames)
> can be set, allowing control over the strength of the motion blur. The
> filter has timeline support, and supports both 8-bit and 16-bit pixel
> formats. Tests and documentation included.
> The main use so far that I (and others) have for this filter is to
> blend down high framerate footage, generated through computer
> rendering, to produce a high quality motion blur effect.
> Note that a similar effect is already possible by repeatedly chaining
> the tblend and framestep=step=2 filters; see for example:
> But this is limited to steps that are powers of two, and this does not
> allow an intermediate exposure time. It's also slower.
> In the documentation, I've also added links between framestep, tblend,
> and the new skipblend filter, to help users to find the right filter
> they are looking for.
> Kind regards,
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