[FFmpeg-devel] [PATCH] miscelleneous NUT fixes

Michael Niedermayer michaelni
Sun Feb 3 12:55:39 CET 2008

On Sun, Feb 03, 2008 at 01:11:33AM -0500, Rich Felker wrote:
> On Sun, Feb 03, 2008 at 12:34:46AM +0100, Michael Niedermayer wrote:
> > On Sat, Feb 02, 2008 at 02:19:25PM -0500, Rich Felker wrote:
> > > On Sat, Feb 02, 2008 at 06:41:20PM +0100, Michael Niedermayer wrote:
> > > > > 1. "Bleh, libnut muxed this ;)\n" please, I fixed this bug over a year ago :)
> > > > 
> > > > rejected, we do not remove workarounds needed for demuxing/decoding
> > > 
> > > While I agree with this principle, I don't think it applies to
> > > under-development formats. The snow decoder does not support every
> > > random historical version of snow, and likewise the nut demuxer should
> > 
> > I would support them if it is easy to do and would not cause a slowdown.
> I reviewed the code in question and it's actually a bug. Samplerate
> num=2 den=3 means 2 samples every 3 seconds, but with the bogus code
> in place, it will be interpreted as 3 samples per second. Apparently
> lavf does not support non-integer values for samples-per-second so it
> should drop an "unsupported format" error in any case rather than
> misinterpreting the data.

Maybe we should have disallowed non integer samplerates in nut ...

> I stand by Oded's patch to remove the incorrect interpretation and

We have files which need this interpretation, we do not have ones which
break due to it. Feel free to add a big comment to the code saying its
not spec compliant if you like.

> hope lavf will eventually support non-integer samplerates.

Right after we add mpeg4 scalability, multiple object and most important so
called face and body animation objects support. That also would make all
the profile counters happy.


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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