[FFmpeg-devel] [PATCH 4/9] simple_idct10: improve precision

[Michael Niedermayer]

On Mon, Oct 12, 2015 at 07:37:45PM +0200, Christophe Gisquet wrote:
> omse goes from 0.03060703 (which fails for dct-test) to 0.01663750.
> This also actually improve the error of decoding the sample generated
> by fate-vsynth3-dnxhd1080i-10bit using simple_idct10 to FAANI, which
> goes (when resampled to yuv422p) from:
> stddev:    0.06 PSNR: 72.28 MAXDIFF:    1
> to identical.
> ---
>  libavcodec/simple_idct.c                      |  9 ++++--
>  libavcodec/simple_idct_template.c             | 45 ++++++++++++++++++---------
>  tests/ref/fate/dnxhr-444                      |  2 +-
>  tests/ref/vsynth/vsynth1-dnxhd-720p-10bit     |  2 +-
>  tests/ref/vsynth/vsynth2-dnxhd-720p-10bit     |  2 +-
>  tests/ref/vsynth/vsynth_lena-dnxhd-720p-10bit |  2 +-
>  6 files changed, 42 insertions(+), 20 deletions(-)

applied

thanks

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

It is what and why we do it that matters, not just one of them.
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