From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH v7 2/2] avcodec/mjpegdec: add support for frame threading
Date: Wed, 21 Dec 2022 22:35:16 +0100
Message-ID: <20221221213516.GC3806951@pb2> (raw)
In-Reply-To: <20221221142256.7955-2-timo@rothenpieler.org>
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On Wed, Dec 21, 2022 at 03:22:56PM +0100, Timo Rothenpieler wrote:
> In my tests, this lead to a notable speed increase with the amount
> of threads used. Decoding a 720p sample gave the following results:
>
> 1 Thread: 1428 FPS
> 2 Threads: 2501 FPS
> 8 Threads: 7575 FPS
> Automatic: 11326 FPS (On a 16 Core/32 Threads system)
> ---
> libavcodec/jpeglsdec.c | 2 +-
> libavcodec/mjpegdec.c | 11 ++++++-----
> libavcodec/sp5xdec.c | 4 ++--
> 3 files changed, 9 insertions(+), 8 deletions(-)
Changes output for:
./ffmpeg -an -i ~/tickets/1915/m_noint.avi -an -bitexact -f framecrc -
will mail you the file as it seems its not on trac
thx
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The smallest minority on earth is the individual. Those who deny
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prev parent reply other threads:[~2022-12-21 21:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-07 11:43 [FFmpeg-devel] [PATCH 1/2] lavc: convert frame threading to the receive_frame() pattern Timo Rothenpieler
2022-12-07 11:43 ` [FFmpeg-devel] [PATCH 2/2] avcodec/mjpegdec: add support for frame threading Timo Rothenpieler
2022-12-07 13:14 ` [FFmpeg-devel] [PATCH v2] lavc: convert frame threading to the receive_frame() pattern Timo Rothenpieler
2022-12-07 13:20 ` [FFmpeg-devel] [PATCH v3] " Timo Rothenpieler
2022-12-07 22:22 ` Michael Niedermayer
2022-12-09 13:09 ` Timo Rothenpieler
2022-12-09 13:11 ` James Almer
2022-12-09 16:17 ` Michael Niedermayer
2022-12-09 13:37 ` [FFmpeg-devel] [PATCH v4] " Timo Rothenpieler
2022-12-09 23:46 ` Michael Niedermayer
2022-12-10 20:10 ` Timo Rothenpieler
2022-12-11 16:29 ` Michael Niedermayer
2022-12-12 21:42 ` [FFmpeg-devel] [PATCH v5 1/2] " Timo Rothenpieler
2022-12-12 21:42 ` [FFmpeg-devel] [PATCH v5 2/2] avcodec/mjpegdec: add support for frame threading Timo Rothenpieler
2022-12-13 18:17 ` [FFmpeg-devel] [PATCH v5 1/2] lavc: convert frame threading to the receive_frame() pattern Michael Niedermayer
2022-12-14 1:50 ` [FFmpeg-devel] [PATCH v6] " Timo Rothenpieler
2022-12-15 22:10 ` Michael Niedermayer
2022-12-19 11:37 ` Timo Rothenpieler
2022-12-20 11:45 ` Andreas Rheinhardt
2022-12-20 16:06 ` Timo Rothenpieler
2022-12-20 16:15 ` James Almer
2022-12-21 14:22 ` [FFmpeg-devel] [PATCH v7 1/2] " Timo Rothenpieler
2022-12-21 14:22 ` [FFmpeg-devel] [PATCH v7 2/2] avcodec/mjpegdec: add support for frame threading Timo Rothenpieler
2022-12-21 21:35 ` Michael Niedermayer [this message]
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