[FFmpeg-devel] [PATCH] avcodec/hevcdsp: Offset ff_hevc_.pel_filters to simplify addressing

Nuo Mi nuomi2021 at gmail.com
Tue Feb 13 04:54:38 EET 2024


On Sun, Feb 11, 2024 at 4:21 PM Andreas Rheinhardt <
andreas.rheinhardt at outlook.com> wrote:

> Besides simplifying address computations (it saves 432B of .text
> in hevcdsp.o alone here) it also fixes undefined behaviour that
> occurs if mx or my are 0 (happens when the filters are unused)
> because they lead to an array index of -1 in the old code.
> This happens in the checkasm-hevc_pel FATE-test.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
>
> Thank you, Andreas,

Hi all,
If there are no objections, I'll merge it tomorrow.


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