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

[Michael Niedermayer]

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(-)

this changes the output of:
./ffmpeg -an -i ~/tickets/4400/cartest_supers.mov -flags +bitexact out-ref.avi

ls -alF out-ref.avi out.avi
-rw-r----- 1 michael michael 761042 Jun 19 22:29 out.avi
-rw-r----- 1 michael michael 761044 Jun 19 22:29 out-ref.avi

file should be this: http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket4400/cartest_supers.mov
or here:
http://electronrotoscope.com/ffmpeg/cartest_supers.mov

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

When you are offended at any man's fault, turn to yourself and study your
own failings. Then you will forget your anger. -- Epictetus
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