[FFmpeg-devel] [PATCH] add yuv444p support to mcdeint

Michael Niedermayer michael at niedermayer.cc
Sat Jun 14 23:52:22 EEST 2025


On Sun, Jun 08, 2025 at 01:07:37AM -0500, Ethan Halsall wrote:
> Hi Michael,
> 
> On 6/7/25 6:25 PM, Michael Niedermayer wrote:
> > Hi Ethan
> > 
> > On Sat, Jun 07, 2025 at 12:15:06PM -0500, Ethan Halsall wrote:
> >> Hi Michael,
> > [...]
> >> @@ -201,8 +203,14 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpic)
> >>  
> >>      for (i = 0; i < 3; i++) {
> >>          int is_chroma = !!i;
> >> -        int w = AV_CEIL_RSHIFT(inlink->w, is_chroma);
> >> -        int h = AV_CEIL_RSHIFT(inlink->h, is_chroma);
> >> +        int w, h;
> >> +        if (is_chroma) {
> >> +            w = inlink->w >> pix_fmt_desc->log2_chroma_w;
> >> +            h = inlink->h >> pix_fmt_desc->log2_chroma_h;
> > 
> > why is this not using AV_CEIL_RSHIFT() ?
> > 
> > thx
> > 
> > [...]
> > 
> > 
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> 
> I was just using a plain right shift as I was experimenting with this. Seems to work fine with the macro so I can put it back if that's more conventional.

will apply

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The day soldiers stop bringing you their problems is the day you have stopped 
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you do not care. Either case is a failure of leadership. - Colin Powell
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