[FFmpeg-devel] [PATCH] codec/aarch64/hevc: add transform_luma_neon

[Martin Storsjö]

On Thu, 13 Apr 2023, xufuji456 wrote:

> got 56% speed up (run_count=1000, CPU=Cortex A53)
> transform_4x4_luma_neon: 45 transform_4x4_luma_c: 103
>
> Signed-off-by: xufuji456 <839789740 at qq.com>
> ---
> libavcodec/aarch64/hevcdsp_idct_neon.S    | 50 ++++++++++++++++++++++-
> libavcodec/aarch64/hevcdsp_init_aarch64.c |  2 +
> 2 files changed, 51 insertions(+), 1 deletion(-)
>
> diff --git a/libavcodec/aarch64/hevcdsp_idct_neon.S b/libavcodec/aarch64/hevcdsp_idct_neon.S
> index 994f0a47b6..504258f7c7 100644
> --- a/libavcodec/aarch64/hevcdsp_idct_neon.S
> +++ b/libavcodec/aarch64/hevcdsp_idct_neon.S
> @@ -889,4 +889,52 @@ idct_dc 16, 8
> idct_dc 16, 10
>
> idct_dc 32, 8
> -idct_dc 32, 10
> \ No newline at end of file
> +idct_dc 32, 10

This patch does still not apply on git master.

// Martin