[FFmpeg-devel] [PATCH] lavfi/hue: use lookup tables

Michael Niedermayer michaelni at gmx.at
Mon Aug 19 22:37:04 CEST 2013


On Mon, Aug 19, 2013 at 08:28:14PM +0000, Paul B Mahol wrote:
> On 8/19/13, Michael Niedermayer <michaelni at gmx.at> wrote:
> > On Mon, Aug 19, 2013 at 07:12:04PM +0000, Paul B Mahol wrote:
> >> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> >> ---
> >>  libavfilter/vf_hue.c | 76
> >> +++++++++++++++++++++++++++++++---------------------
> >>  1 file changed, 45 insertions(+), 31 deletions(-)
> >
> > breaks -vf hue=90
> >
> > also i dont see how this could work, rotation is not newu=f(oldu)
> 
> obviously, i need bigger luts, but do you consider lut approach worth it?

if its faster sure, but iam not sure SIMD without LUT wont beat it

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Freedom in capitalist society always remains about the same as it was in
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