[FFmpeg-devel] patch2 Add-multithreading-for-swscale-filter.patch

[Nicolas George]

Pawlowski, Slawomir (12019-07-19):
> From 3ce39207e95eb4697abb0fbaccd37cc451559e49 Mon Sep 17 00:00:00 2001
> From: Slawomir Pawlowski <slawomir.pawlowski at intel.com>
> Date: Fri, 19 Jul 2019 13:16:16 +0200
> Subject: [PATCH] Add multithreading for swscale filter.
> 
> Use with option "-filter_scale_threads <num_threads>"
> Split slice in scaler in to parts.
> 
> Signed-off-by: Slawomir Pawlowski <slawomir.pawlowski at intel.com>
> Signed-off-by: Tomasz Szumski <tomasz.szumski at intel.com>
> ---
>  fftools/ffmpeg.h              |   1 +
>  fftools/ffmpeg_filter.c       |   3 +
>  fftools/ffmpeg_opt.c          |   7 +
>  libavfilter/avfilter.h        |  18 ++
>  libavfilter/avfiltergraph.c   |   4 +
>  libavfilter/vf_scale.c        |   4 +
>  libswscale/options.c          |   3 +
>  libswscale/slice.c            |  32 +++-
>  libswscale/swscale.c          | 414 +++++++++++++++++++++++++++++-------------
>  libswscale/swscale_internal.h |  46 +++++
>  libswscale/utils.c            | 152 +++++++++++++++-
>  11 files changed, 547 insertions(+), 137 deletions(-)

See this review:

https://ffmpeg.org/pipermail/ffmpeg-devel/2019-July/246770.html

When sending a second version of a patch, it is nice to tell what
changed.

Regards,

-- 
  Nicolas George
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