[FFmpeg-devel] [PATCH 2/3] dnxhddec: use dequantization formula from specs

[Michael Niedermayer]

On Thu, Oct 01, 2015 at 10:01:26PM +0200, Christophe Gisquet wrote:
> The current one, while correct, does not yield the best possible
> results. The specificiations suggest another formula, which results
> in quality gains in the decoded output from fate tests. This
> justifies changing said formula.
> ---
>  libavcodec/dnxhddec.c                         | 3 ++-
>  tests/ref/vsynth/vsynth1-dnxhd-1080i          | 4 ++--
>  tests/ref/vsynth/vsynth1-dnxhd-1080i-colr     | 4 ++--
>  tests/ref/vsynth/vsynth1-dnxhd-720p           | 4 ++--
>  tests/ref/vsynth/vsynth1-dnxhd-720p-10bit     | 4 ++--
>  tests/ref/vsynth/vsynth1-dnxhd-720p-rd        | 4 ++--
>  tests/ref/vsynth/vsynth2-dnxhd-1080i          | 4 ++--
>  tests/ref/vsynth/vsynth2-dnxhd-1080i-colr     | 4 ++--
>  tests/ref/vsynth/vsynth2-dnxhd-720p           | 4 ++--
>  tests/ref/vsynth/vsynth2-dnxhd-720p-10bit     | 4 ++--
>  tests/ref/vsynth/vsynth2-dnxhd-720p-rd        | 4 ++--
>  tests/ref/vsynth/vsynth3-dnxhd-1080i-colr     | 2 +-
>  tests/ref/vsynth/vsynth_lena-dnxhd-1080i      | 4 ++--
>  tests/ref/vsynth/vsynth_lena-dnxhd-1080i-colr | 4 ++--
>  tests/ref/vsynth/vsynth_lena-dnxhd-720p       | 4 ++--
>  tests/ref/vsynth/vsynth_lena-dnxhd-720p-10bit | 4 ++--
>  tests/ref/vsynth/vsynth_lena-dnxhd-720p-rd    | 4 ++--
>  17 files changed, 33 insertions(+), 32 deletions(-)

applied

thanks

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

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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