[FFmpeg-user] multithreaded use of sws_scale

[Davood Falahati]

I think this question is out of scope of ffmpeg community. You should ask
it in libavuser instead.
By the way, if you want to scale an AVFrame in various dimensions in
different threads, you should instantiate various amounts of SwsContext.

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On Thu, Sep 14, 2017 at 10:44 PM, Martin Belleau <
mbelleau at capellasystems.net> wrote:

> I see that sws_scale has srcSliceY and srcSliceH, which should allow to
> perform scaling of different slices in parallel.
>
> Is there any sample code which demonstrates how to use it?
>
> Should the same SwsContext be used to scale all the slices?
>
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