[FFmpeg-devel] [PATCH] avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for VP9 bilinear functions

[Ronald S. Bultje]

Hi,

On Mon, Jul 27, 2015 at 7:59 AM, <shivraj.patil at imgtec.com> wrote:

> From: Shivraj Patil <shivraj.patil at imgtec.com>
>
> Signed-off-by: Shivraj Patil <shivraj.patil at imgtec.com>
> ---
>  libavcodec/mips/vp9_mc_msa.c       | 2123
> ++++++++++++++++++++++++++++++++++++
>  libavcodec/mips/vp9dsp_init_mips.c |    2 +
>  libavcodec/mips/vp9dsp_mips.h      |   32 +
>  3 files changed, 2157 insertions(+)
>
[..]

> +void ff_avg_bilin_4h_msa(uint8_t *dst, ptrdiff_t dst_stride,
> +                         const uint8_t *src, ptrdiff_t src_stride,
> +                         int height, int mx, int my)
> +{
> +    const int8_t *filter = vp9_bilinear_filters_msa[mx - 1];
> +
> +    if (4 == height) {
> +        common_hz_2t_and_aver_dst_4x4_msa(src, src_stride, dst,
> dst_stride,
> +                                          filter);
> +    } else if (8 == height) {
> +        common_hz_2t_and_aver_dst_4x8_msa(src, src_stride, dst,
> dst_stride,
> +                                          filter);
> +    }
> +}


You're using this construct in various places, how much does it help?

(Otherwise no comments, basically lgtm % the above.)

Ronald