[FFmpeg-devel] [PATCH] avfilter: add v360_vulkan filter

[James Almer]

On 6/26/2020 1:58 PM, Paul B Mahol wrote:
> On 6/26/20, James Almer <jamrial at gmail.com> wrote:
>> On 6/26/2020 1:13 PM, Paul B Mahol wrote:
>>> On 6/26/20, Paul B Mahol <onemda at gmail.com> wrote:
>>>> On 6/24/20, Paul B Mahol <onemda at gmail.com> wrote:
>>>>> Signed-off-by: Paul B Mahol <onemda at gmail.com>
>>>>> ---
>>>>> Please test it and reports benchmark results on non toyish GPUs.
>>>>
>>>> Please, I really need it!
>>>>
>>>
>>>
>>> Why nobody wants to help?
>>>
>>> This makes me really really sad.
>>
>> I can try. Can you give an example command line with a publicly
>> available sample?
> 
> You can use any sample, samples are irrelevant. just report resolution used.
> Also compare with CPU solution with just v360 filter.
> 
> For yuv420p inputs:
> 
> ffmpeg -init_hw_device vulkan=vulkan -i INPUT -filter_hw_device vulkan
> -vf hwupload,v360_vulkan=fisheye:e:ih_fov=180:iv_fov=180:w=2048:h=1024,hwdownload,format=yuv420p
> -f null -
> 
> ffmpeg -i INPUT -vf v360=fisheye:e:ih_fov=180:iv_fov=180:w=2048:h=1024 -f null -
> 
> Just make sure that you get same output resolution in both cases. If
> not, adjust w/h accordingly.

I'm getting a segfault on vkGetInstanceProcAddr, and i don't know if
it's your filter or some issue in the driver. gdb is not being helpful.