[FFmpeg-devel] [PATCH 10/11] avcodec/x86: add an 8-bit simple IDCT function based on the x86-64 high depth functions

Michael Niedermayer michael at niedermayer.cc
Wed Jun 21 02:13:45 EEST 2017


On Mon, Jun 19, 2017 at 05:11:03PM +0200, James Darnley wrote:
> Includes add/put functions
> 
> Rounding contributed by Ronald S. Bultje
> ---
>  libavcodec/tests/x86/dct.c                |  2 +
>  libavcodec/x86/idctdsp_init.c             | 23 ++++++++
>  libavcodec/x86/simple_idct.h              |  9 +++
>  libavcodec/x86/simple_idct10.asm          | 92 +++++++++++++++++++++++++++++++
>  libavcodec/x86/simple_idct10_template.asm |  6 +-
>  5 files changed, 130 insertions(+), 2 deletions(-)

breaks:

./ffmpeg -i matrixbench_mpeg2.mpg -an -vframes 1  -vf format=gbrp,spp=1:63,format=gbrp -qscale 1 file.avi



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

Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety -- Benjamin Franklin
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