[Mesa-dev] [PATCH 1/2] vl: add a lanczos interpolation filter v3

[Nayan Deshmukh]

Hi Andy,

Thanks for testing my patches.

On Thu, Aug 4, 2016 at 5:23 AM, Andy Furniss <adf.lists at gmail.com> wrote:

> Nayan Deshmukh wrote:
>
>> Hi Christian
>>
>> On Wed, Aug 3, 2016 at 6:16 PM, Christian König
>> <christian.koenig at amd.com> wrote:
>>
>> Sorry for the delay I've been on vacation for a week.
>>>
>>> Good to hear back from you !!
>>>
>>
>>
>> Where you able to fix the problem Andy reported? I was able to
>>> rather easily reproduce that.
>>>
>>> I have tested it on my system and my friend's system and it seems
>>> to be
>>>
>> working fine. It would be great if Andy can confirm the same.
>>
>
> I am still seeing some artifacts though not the same as last patches and
> un-scaled on first look appears OK but it isn't.
>
> Does the scaling happen before CSC? I ask as on  unscaled which doesn't
> show any line/block type artifacts, there are sometimes what look like
> gamma shifts. There is also a slight shift in image position vs default
> or bicubic.
>
> The scaling happens after CSC.

Just to really confuse me I also managed to get mpv to produce a
> different result from mplayer on one particular test, they usually look
> the same. I did already correct for their differing behaviors WRT using
> 601 and 709 CSC.
>
> That 's really wierd I haven't tested them on mpv, I was just using mplayer
for testing purposes. I will test it with mpv and see how it goes.


> Pendulum again just fullscreen this time as you can't really see
> anything wrong windowed.
>

I believe there is some misunderstanding here, I was able to see the
artifacts
in the video that you sent me previously. But I was not able to replicate
them
with the pendulum video on my system. Same case this time the pendulum video
plays fine this time too. I am attacing a video of it here

https://drive.google.com/file/d/0B1s62k5GtdBwOVAtOUVaU0V5c1E/view?usp=sharing


Regards,
Nayan.

>
> https://drive.google.com/file/d/0BxP5-S1t9VEEcW02VkVYWDdZd1E
> /view?usp=sharing
>
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