[FFmpeg-devel] FATE & Regressions (and PPC is broken)

[Diego Biurrun]

On Wed, Mar 12, 2008 at 10:43:31PM +0000, M?ns Rullg?rd wrote:
> Mike Melanson <mike at multimedia.cx> writes:
> 
> > Diego Biurrun wrote:
> >> On Wed, Mar 12, 2008 at 02:40:04PM -0700, Mike Melanson wrote:
> >>> The following regression test is broken on PowerPC (gcc 4.1.2):
> >>>
> >>> diff -u -w
> >>> "/home/melanson/ffmpeg/ffmpeg-main"/tests/ffmpeg.regression.ref
> >>> tests/data/vsynth.regression
> >>> --- /home/melanson/ffmpeg/ffmpeg-main/tests/ffmpeg.regression.ref
> >>> 2008-03-08 19:10:07.000000000 -0800
> >>> +++ tests/data/vsynth.regression        2008-03-12 14:27:53.000000000 -0700
> >>> @@ -197,7 +197,7 @@
> >>>  353368 ./tests/data/a-flac.flac
> >>>  c4228df189aad9567a037727d0e763e4 *./tests/data/flac.vsynth.out.wav
> >>>  stddev: 33.31 PSNR:65.87 bytes:1040384
> >>> -a1e56bb034c2773438ba1c830c4cea07 *./tests/data/a-wmav1.asf
> >>> +59575b4756d674cd8c8d53d86c08e8cb *./tests/data/a-wmav1.asf
> >>>  106004 ./tests/data/a-wmav1.asf
> >>>  stddev:12251.50 PSNR:14.56 bytes:1056768
> >>>  stddev:2106.00 PSNR:29.85 bytes:1048576
> >>> make: *** [codectest] Error 1
> >>>
> >>> If anyone can suggest a revision where it might have last worked, I can
> >>> test it.
> >> 
> >> I think it has never worked, i.e. it was broken ever since Michael added
> >> WMA encoding.
> >
> > Thanks. I'm glad I didn't try to bisect the problem.
> >
> > This does make the spec a little less useful, though, in terms of FATE.
> > Proposal: Remove this particular spec from the formal regression suite
> > and move it to its own FATE test spec. It will still fail on PPC but at
> > least the baseline regression suite will pass on PPC and we will be
> > alerted to legitimate breakages.
> 
> Better yet, find out why it breaks on ppc.

Luca?

Diego