-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On Sat, 11 May 2019 17:40:41 +0200 Michael Niedermayer <mich...@niedermayer.cc> wrote:
> 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 > Yes. - --phil -----BEGIN PGP SIGNATURE----- iHUEARYIAB0WIQRokRbWmcX6x+Nv+3hgE8jODULZ6QUCXNb+yQAKCRBgE8jODULZ 6eHxAP9gGwsOidh6k77QyWcRLMk8zr2Uh6qizKPT21h9PYzQEwD8CvYOiRAem/qS UrTfd6pFClXNO27PQEL8aeioZqOH7g8= =pTPw -----END PGP SIGNATURE----- _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
