[FFmpeg-devel] [PATCH] avcodec/mips: [loongson] optimize theora decoding with mmi.

Michael Niedermayer michaelni at gmx.at
Fri Feb 15 01:13:43 EET 2019


On Wed, Feb 13, 2019 at 05:56:50PM +0800, Shiyou Yin wrote:
> >-----Original Message-----
> >From: ffmpeg-devel-bounces at ffmpeg.org [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf Of gxw
> >Sent: Tuesday, February 12, 2019 6:56 PM
> >To: ffmpeg-devel at ffmpeg.org
> >Cc: gxw
> >Subject: [FFmpeg-devel] [PATCH] avcodec/mips: [loongson] optimize theora decoding with mmi.
> >
> >Optimize theora decoding with mmi in functions:
> >1. ff_vp3_idct_add_mmi
> >2. ff_vp3_idct_put_mmi
> >3. ff_vp3_idct_dc_add_mmi
> >4. ff_put_no_rnd_pixels_l2_mmi
> >
> >Theora decoding speed improved about 32%(from 88fps to 116fps, Tested on loongson 3A3000).
> >---
> > libavcodec/mips/Makefile           |   1 +
> > libavcodec/mips/vp3dsp_idct_mmi.c  | 769 +++++++++++++++++++++++++++++++++++++
> > libavcodec/mips/vp3dsp_init_mips.c |  14 +
> > libavcodec/mips/vp3dsp_mips.h      |   6 +
> > 4 files changed, 790 insertions(+)
> > create mode 100644 libavcodec/mips/vp3dsp_idct_mmi.c
> >
> 
> Verified + 1, LGTM.

will apply

thx

[...]

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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If you fake or manipulate statistics in a paper in physics you will never
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