[FFmpeg-devel] [PATCH 3/6] avcodec/x86: add x86-64 8-bit simple_idct function

Michael Niedermayer michael at niedermayer.cc
Mon Jun 12 19:57:44 EEST 2017


On Mon, Jun 12, 2017 at 03:36:06PM +0200, James Darnley wrote:
> Rounding contributed by Ronald S. Bultje
> ---
>  libavcodec/tests/x86/dct.c       |  2 ++
>  libavcodec/x86/idctdsp_init.c    | 19 +++++++++++++++++++
>  libavcodec/x86/simple_idct.h     |  3 +++
>  libavcodec/x86/simple_idct10.asm |  8 ++++++++
>  4 files changed, 32 insertions(+)

this (3) and the patches 1 and 2 break te idct

./ffplay ~/videos/matrixbench_mpeg2.mpg
looks pretty bad

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

When the tyrant has disposed of foreign enemies by conquest or treaty, and
there is nothing more to fear from them, then he is always stirring up
some war or other, in order that the people may require a leader. -- Plato
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