[Mesa-dev] [PATCH 2/2] st/vdapu: use lanczos filter for scaling
nayan26deshmukh at gmail.com
Mon Jul 18 10:33:15 UTC 2016
we could adjust the HQ options on either side i.e we could remove L2 as the
quality of the output
was really bad. I haven't tested the L8 and L9 personally as my hardware
for it. But we can adjust it in case we want to implement other scaling
On Mon, Jul 18, 2016 at 3:43 PM, Alan Swanson <reiver at improbability.net>
> On 2016-07-14 21:58, Nayan Deshmukh wrote:
>> HIGH_QUALITY_SCALING_L2 to HIGH_QUALTIY_SCALING_L9
>> uses lanczos filter with number representing the size
>> of the sinc window.
> Hi Nayan.
> While the number matching is nice, you are using up all the available
> vdpau HQ scaling slots.
> I personally prefer the Mitchell-Netravali bicubic filter with less
> ringing versus Lanczos filters and was going to look sometime into adding
> it based on your Hermite bicubic if no one else did. (I wonder if vdpau
> could be extended with a descriptive text field for HQ scalers.)
> Otherwise, I'd just like to say thanks for the work though.
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