From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] Optimize H264 decoding for loongarch.
Date: Wed, 15 Dec 2021 18:39:19 +0100
Message-ID: <20211215173919.GW2829255@pb2> (raw)
In-Reply-To: <6A58484B-CF58-42BD-9A6D-C65595E78C45@loongson.cn>
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On Wed, Dec 15, 2021 at 02:06:46PM +0800, Shiyou Yin wrote:
>
>
> > 2021年12月15日 上午11:51，Hao Chen <chenhao@loongson.cn> 写道：
> >
> > ./ffmpeg -i 1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an
> > before: 170fps
> > after : 296fps
> >
> > V2: Update loongson_intrinsics.h to 1.0.3 in patch 2/7.
> > V3: Resubmit these patches due to the encoding problem of the last
> > email.
> >
> > [PATCH v3 1/7] avutil: [loongarch] Add support for loongarch SIMD.
> > [PATCH v3 2/7] avcodec: [loongarch] Optimize h264_chroma_mc with LASX.
> > [PATCH v3 3/7] avcodec: [loongarch] Optimize h264qpel with LASX.
> > [PATCH v3 4/7] avcodec: [loongarch] Optimize h264dsp with LASX.
> > [PATCH v3 5/7] avcodec: [loongarch] Optimize h264idct with LASX.
> > [PATCH v3 6/7] avcodec: [loongarch] Optimize h264_deblock with LASX.
> > [PATCH v3 7/7] avcodec: [loongarch] Optimize pred16x16_plane with LASX.
> >
>
> LGTM.
>
> These patches are extracted from loongson internal repository of ffmpeg which has
> been used and verified on loongarch platform for more than half year.
> I hope it can catch up with the release of 5.0.
will apply
thx
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The day soldiers stop bringing you their problems is the day you have stopped
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you do not care. Either case is a failure of leadership. - Colin Powell
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