[FFmpeg-devel] [PATCH] avcodec: increase AV_INPUT_BUFFER_PADDING_SIZE to 64

[Michael Niedermayer]

On Sun, Jan 07, 2018 at 01:22:38AM -0300, James Almer 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 <jamrial at 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(-)

causes assertion failure:
./ffmpeg -i bgc.sub.dub.ogm x.webm

Assertion 64 <= 52 failed at libavformat/oggparseogm.c:109
Aborted (core dumped)

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No great genius has ever existed without some touch of madness. -- Aristotle
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