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

[Timo Rothenpieler]

On 04.07.2025 01:02, Jorge Estrada wrote:
> Changes look good to me. I appreciate the fixes. Thanks!

applied, thanks!

> On Thu, Jul 3, 2025 at 3:49 PM Timo Rothenpieler <timo at rothenpieler.org>
> wrote:
> 
>> On 03.07.2025 23:05, Jorge Estrada wrote:
>>> ping
>>
>> Completely forgot about this, sorry.
>>
>> Patch does not compile, cause vector_types.h does not exist.
>> If I remove it, it can't find uchar2, which is purely a CUDA side type.
>>
>> Isn't that whole construct around there entirely unneeded?
>> You can always just pass &s->parsed_color[plane] in place of p_fill_val,
>> and it'll always be correct.
>>
>>
>> That re-invented RGB to YUV conversion is also entirely unneccesary.
>> There's macros for that in colorspace.h
>>
>>
>> Also, there's A LOT of use of mixed declarations and code, though I
>> think that is fine nowadays, and the warnings about it have since been
>> disabled.
>> So it's probably fine to leave it as-is.
>>
>>
>> There's also a bit of potential to further generalize and micro-optimize
>> the CUDA kernel and calling it.
>> Primarily moving the one extra division out of the kernel, and doing it
>> in advance for it.
>> (There's also a tiny superfluous section that sets hsub/vsub to the same
>> value again if it's NV12, which I removed).
>> See the second commit for what I mean.
>>
>> I've pushed the necessary fixes and further optimization and
>> generalization to GitHub:
>> https://github.com/BtbN/FFmpeg
>>
>> https://github.com/BtbN/FFmpeg/commit/45e4baa3d82c6e6fffbd6c1ac8389e305a3f9137
>>
>> https://github.com/BtbN/FFmpeg/commit/14cf522b51e66e65ca60e0447348f2bfbcf631ea
>>
>>
>> Works fine for me like that, if you're fine with those as well, I'll
>> squash them into the main commit and merge it.
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
>> To unsubscribe, visit link above, or email
>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> 
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".