On Tue, Oct 29, 2024 at 04:50:47PM -0300, James Almer wrote:
> On 10/29/2024 4:29 PM, Michael Niedermayer wrote:
> > On Tue, Oct 29, 2024 at 01:03:21PM +0100, Michael Niedermayer wrote:
> > > On Fri, Oct 25, 2024 at 07:56:29PM -0300, James Almer wrote:
> > > > On 10/25/2024 7:18 PM, Michael Niedermayer wrote:
> > > > > On Wed, Oct 23, 2024 at 04:36:44PM -0300, James Almer wrote:
> > > > > > Signed-off-by: James Almer <jamr...@gmail.com>
> > > > > > ---
> > > > > >    libswscale/output.c                      | 37 
> > > > > > +++++++++++++++---------
> > > > > >    libswscale/utils.c                       |  4 +--
> > > > > >    tests/ref/fate/filter-pixdesc-xv48be     |  1 +
> > > > > >    tests/ref/fate/filter-pixdesc-xv48le     |  1 +
> > > > > >    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-scale      |  2 ++
> > > > > >    tests/ref/fate/filter-pixfmts-transpose  |  2 ++
> > > > > >    tests/ref/fate/filter-pixfmts-vflip      |  2 ++
> > > > > >    14 files changed, 48 insertions(+), 15 deletions(-)
> > > > > >    create mode 100644 tests/ref/fate/filter-pixdesc-xv48be
> > > > > >    create mode 100644 tests/ref/fate/filter-pixdesc-xv48le
> > > > > 
> > > > > didnt apply cleanly so no test but LGTM
> > > > > 
> > > > > thx
> > > > 
> > > > It was Niklas recent renaming patch. You can try a rebased version in
> > > 
> > > > https://github.com/jamrial/FFmpeg/commits/pixdesc/
> > > 
> > > thanks, that helped, swscale patches seem turning stale within the 500ms
> > > transit time to the ML
> > > 
> > > the swscale changes in that branch look good
> > > tests seems passing on mingw32/64 linux x86-32/64 and mips
> > 
> > i had to leave before qemu arm tests finished and of course arm faild :)
> > 
> > make fate-pixfmt-x2bgr10le fate-pixfmt-x2rgb10le -k
> > TEST    pixfmt-x2bgr10le
> > --- src/tests/ref/fate/pixfmt-x2bgr10le     2024-10-29 20:26:42.011219228 
> > +0100
> > +++ tests/data/fate/pixfmt-x2bgr10le        2024-10-29 20:28:11.519912980 
> > +0100
> > @@ -1,2 +1,2 @@
> > -028652e885aef68639341bbc8415be57 *tests/data/pixfmt/x2bgr10le.yuv
> > +040ceb964e1401b964d72f97c44ca596 *tests/data/pixfmt/x2bgr10le.yuv
> >   15206400 tests/data/pixfmt/x2bgr10le.yuv
> > Test pixfmt-x2bgr10le failed. Look at tests/data/fate/pixfmt-x2bgr10le.err 
> > for details.
> > make: *** [src/tests/Makefile:311: fate-pixfmt-x2bgr10le] Error 1
> > TEST    pixfmt-x2rgb10le
> > --- src/tests/ref/fate/pixfmt-x2rgb10le     2024-10-29 20:26:42.011219228 
> > +0100
> > +++ tests/data/fate/pixfmt-x2rgb10le        2024-10-29 20:28:12.371919593 
> > +0100
> > @@ -1,2 +1,2 @@
> > -028652e885aef68639341bbc8415be57 *tests/data/pixfmt/x2rgb10le.yuv
> > +040ceb964e1401b964d72f97c44ca596 *tests/data/pixfmt/x2rgb10le.yuv
> >   15206400 tests/data/pixfmt/x2rgb10le.yuv
> > Test pixfmt-x2rgb10le failed. Look at tests/data/fate/pixfmt-x2rgb10le.err 
> > for details.
> > make: *** [src/tests/Makefile:311: fate-pixfmt-x2rgb10le] Error 1
> > 
> > thx
> 
> That is a test from a patch i didn't push, so not a problem in git head at
> least.
> 
> Is that a BE arm machine?

no


> The only thing i can think about is the check in
> swscale/output.c for AV_PIX_FMT_X2RGB10, which for that target would become
> AV_PIX_FMT_X2RGB10BE, and thus not trigger with this test.
> This is IMO wrong because the yuv2packed* pointers are in turn set for both
> LE and BE.

arm has some funny behavior with misaligned 32bit access
that is IIRC, if you cast a uint8_t * to int *  and it was not an address thats
a multiple of 4 and derefernce you can get results that you dont expect IIRC.

if that makes no sense then i dont know, but tell me and ill just
retest

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The smallest minority on earth is the individual. Those who deny 
individual rights cannot claim to be defenders of minorities. - Ayn Rand

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