[FFmpeg-devel] [PATCH] fate: add tests for some video source filters

Michael Niedermayer michael at niedermayer.cc
Fri Jul 21 03:47:46 EEST 2017

On Fri, Jul 21, 2017 at 01:04:03AM +0200, Nicolas George wrote:
> Le duodi 2 thermidor, an CCXXV, Michael Niedermayer a écrit :
> > breaks on mips (probably big endian issue)
> Breaks on MIPS, or detects that something is already broken in MIPS and
> nobody noticed until now?

this patch breaks the selftests on mips or maybe more precissely
it adds a test which fails

> Could you perhaps re-run the test with V=1, then re-run the command line
> with -f png, to see how the output is broken?

Stream #0:0: Video: rawvideo ([12][0]3Y / 0x5933000C), yuv444p12be, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 13824 kb/s, 5 fps, 5 tbn, 5 tbc (default)

the format used seems the native one that has different endianness
and thus different checksums

md5sum out.png mips/out.png
012e1906fe84ee6f757ef3f1473cc26d  out.png
012e1906fe84ee6f757ef3f1473cc26d  mips/out.png

i tried forcing le but it alone didnt give the same result
ive to sleep now so i cant look further into this today
but iam happy to test patches tomorrow, also iam just testing with
mips qemu not real hw so if it wasnt for the one time work to set
build env up and qemu than it would be rather easy for anyone to test


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Elect your leaders based on what they did after the last election, not
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