From: "Tomas Härdin" <git@haerdin.se>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] avutil/imgutils: optimize image copying
Date: Tue, 09 May 2023 11:59:56 +0200
Message-ID: <50666d9071786dc24113a06f2b4af3e18b1b1d2d.camel@haerdin.se> (raw)
In-Reply-To: <tencent_9CC187B353F352961985D8B31162C2189309@qq.com>
fre 2023-05-05 klockan 16:31 +0800 skrev xufuji456:
> It makes sense when copying 4K/8K video frame, got 2.7% speed up.
> When the condition is no padding and src_linesize equals to dst,
> we could copy plane instead of line by line.
> before after rate
> 4K video:
> 9145 8998 1.6%
> 9804 9465 3.4%
> 9645 9394 2.6%
> 8K video:
> 28411 27718 2.4%
> 31288 30056 3.9%
> 32336 31571 2.4%
>
> Signed-off-by: xufuji456 <839789740@qq.com>
> ---
> libavutil/imgutils.c | 16 ++++++++++++----
> 1 file changed, 12 insertions(+), 4 deletions(-)
Nice, looks OK to me
/Tomas
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prev parent reply other threads:[~2023-05-09 10:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-05 8:31 xufuji456
2023-05-09 9:59 ` Tomas Härdin [this message]
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