[FFmpeg-devel] [PATCH v3 2/2] avfilter: add a bflip_vulkan filter

[Wu, Jianhua]

Lynne:
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> Lynne
> Sent: Thursday, November 25, 2021 5:33 PM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH v3 2/2] avfilter: add a bflip_vulkan filter
> 
> 25 Nov 2021, 10:22 by ffmpeg at gyani.pro:
> 
> >
> >
> > On 2021-11-25 02:38 pm, Wu Jianhua wrote:
> >
> >> This filter flips the input video both horizontally and vertically in
> >> one compute pipeline, and it's no need to use two pipelines for
> >> hflip_vulkan,vflip_vulkan anymore.
> >>
> >
> > bflip is not an intuitive name.
> >
> > Either hvflip, or since h+v flip  == 180 deg rotation, maybe rotate180
> > or rot180
> >
> > Regards,
> > Gyan
> >
> 
> I think I'd prefer if it was called 'transpose_vulkan', with the same options as
> the regular transpose filter, but with only a single direction currently
> supported.
> That way, we'd have a template to which we could implement more modes
> later on.
> 

Does transpose only indicate switches the row and column indices? Ummm..I'm not sure.
Maybe rotate 180 is more better.

Thanks,
Jianhua