On Thu, May 09, 2019 at 10:59:12PM -0700, Philip Langdale wrote: > I don't think this is terribly useful, as the only thing out there that > can even handle NV24 content is VDPAU and the only time you have to > deal with it is when doing VDPAU OpenGL interop where swscale is > irrelevant. In the other cases you can use YV24 (YUV444P). > > But anyway, I was asked to do this for the sake of completeness. > > The implementation is pretty straight-forward. Most of the existing > NV12 codepaths work regardless of subsampling and are re-used as is. > Where necessary I wrote the slightly different NV24 versions. > > Finally, the one thing that confused me for a long time was the > asm specific x86 path that did an explicit exclusion check for NV12. > I replaced that with a semi-planar check and also updated the > equivalent PPC code, but which I cannot test. > > Signed-off-by: Philip Langdale <phil...@overt.org> > --- > libswscale/input.c | 2 + > libswscale/output.c | 6 ++- > libswscale/ppc/swscale_altivec.c | 3 +- > libswscale/ppc/swscale_vsx.c | 3 +- > libswscale/swscale_unscaled.c | 51 ++++++++++++++++++++++++ > libswscale/utils.c | 2 + > libswscale/version.h | 2 +- > libswscale/x86/swscale_template.c | 4 +- > tests/ref/fate/filter-pixfmts-copy | 2 + > tests/ref/fate/filter-pixfmts-crop | 2 + > tests/ref/fate/filter-pixfmts-field | 2 + > tests/ref/fate/filter-pixfmts-fieldorder | 2 + > tests/ref/fate/filter-pixfmts-hflip | 2 + > tests/ref/fate/filter-pixfmts-il | 2 + > tests/ref/fate/filter-pixfmts-null | 2 + > tests/ref/fate/filter-pixfmts-pad | 2 + > tests/ref/fate/filter-pixfmts-scale | 2 + > tests/ref/fate/filter-pixfmts-transpose | 2 + > tests/ref/fate/filter-pixfmts-vflip | 2 + > 19 files changed, 86 insertions(+), 9 deletions(-)
was this tested with up/down scaling ? thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB There will always be a question for which you do not know the correct answer.
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