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

[Paul B Mahol]

On 8/19/13, Michael Niedermayer <michaelni at gmx.at> wrote:
> 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

shouldn't lut with SIMD be fastest?