On 7 January 2018 at 04:22, James Almer <jamr...@gmail.com> wrote:
> AVX-512 support has been introduced, and even if no functions currently
> use zmm registers (able to load as much as 64 bytes of consecutive data
> per instruction), they will be added eventually.
>
> Signed-off-by: James Almer <jamr...@gmail.com>
> ---
> Same rationale as when it was increased to 32 back in commit
> 67d29da4bd23057a1f646568442a77b844cb2d1b.
>
> libavcodec/avcodec.h | 2 +-
> libavcodec/x86/hevc_sao.asm | 2 +-
> libavcodec/x86/hevc_sao_10bit.asm | 2 +-
> 3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
> index c13deb599f..8fbbc798a2 100644
> --- a/libavcodec/avcodec.h
> +++ b/libavcodec/avcodec.h
> @@ -767,7 +767,7 @@ typedef struct AVCodecDescriptor {
> * Note: If the first 23 bits of the additional bytes are not 0, then
> damaged
> * MPEG bitstreams could cause overread and segfault.
> */
> -#define AV_INPUT_BUFFER_PADDING_SIZE 32
> +#define AV_INPUT_BUFFER_PADDING_SIZE 64
>
> /**
> * @ingroup lavc_encoding
> diff --git a/libavcodec/x86/hevc_sao.asm b/libavcodec/x86/hevc_sao.asm
> index 888a28afa7..756adfee57 100644
> --- a/libavcodec/x86/hevc_sao.asm
> +++ b/libavcodec/x86/hevc_sao.asm
> @@ -198,7 +198,7 @@ HEVC_SAO_BAND_FILTER 64, 2
> ;***********************************************************
> *******************
>
> %define MAX_PB_SIZE 64
> -%define PADDING_SIZE 32 ; AV_INPUT_BUFFER_PADDING_SIZE
> +%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
> %define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
>
> %macro HEVC_SAO_EDGE_FILTER_INIT 0
> diff --git a/libavcodec/x86/hevc_sao_10bit.asm b/libavcodec/x86/hevc_sao_
> 10bit.asm
> index f81e2d5033..b30583dd2f 100644
> --- a/libavcodec/x86/hevc_sao_10bit.asm
> +++ b/libavcodec/x86/hevc_sao_10bit.asm
> @@ -190,7 +190,7 @@ HEVC_SAO_BAND_FILTER 12, 64, 4
> ;***********************************************************
> *******************
>
> %define MAX_PB_SIZE 64
> -%define PADDING_SIZE 32 ; AV_INPUT_BUFFER_PADDING_SIZE
> +%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
> %define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
>
> %macro PMINUW 4
> --
> 2.15.0
>
> _______________________________________________
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> ffmpeg-devel@ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
Looks good to me
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