[FFmpeg-devel] [PATCH v3] avcodec/mips: [loongson] reoptimize simple idct with mmi.

[Michael Niedermayer]

On Fri, Aug 31, 2018 at 09:41:49PM +0800, Shiyou Yin wrote:
> Performance of mpeg4 decoding improved about 23%(from 128fps to 158fps, tested on loongson 3A3000).
> Reoptimized following functions with mmi.
> 1. ff_simple_idct_put_8_mmi
> 2. ff_simple_idct_add_8_mmi
> 3. ff_simple_idct_8_mmi
> ---
>  libavcodec/mips/idctdsp_init_mips.c |    7 +-
>  libavcodec/mips/idctdsp_mips.h      |    6 +-
>  libavcodec/mips/simple_idct_mmi.c   | 1167 ++++++++++++-----------------------
>  libavutil/mips/mmiutils.h           |   49 ++
>  4 files changed, 444 insertions(+), 785 deletions(-)

will apply

thx

[...]
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