On Tue, Sep 6, 2016, at 01:38 PM, Andreas Falkenhahn wrote:
> On 06.09.2016 at 18:51 Ken Thomases wrote:
> 
> > On Sep 6, 2016, at 11:41 AM, Andreas Falkenhahn <andr...@falkenhahn.com> 
> > wrote:
> 
> >> My NSWindow contains an NSView which I use to draw custom graphics to. It 
> >> doesn't
> >> contain any widgets like buttons at all, just custom graphics drawn in 
> >> drawRect().
> 
> >> Now I'd like to have an AVPlayerView NSView on top of this view. Thus, I 
> >> tried to
> >> add this AVPlayerView on top of the NSView by doing the following:
> 
> >>    [view addSubview:playerview];
> 
> >> However, this didn't work and generated lots of debug output to stderr.
> 
> > What, specifically, does "this didn't work" mean?  What debug output was 
> > logged?
> 
> Well, this list has a limit of 25kb per mail, so here is just the first
> 20% of what
> was logged:
> 
> (
> "<NSLayoutConstraint:0x1086476e0 H:|-(0)-[NSView:0x108633860]   (Names:
> '|':MyAVPlayerView:0x1004f5b70 )>",
> 
> [:snip:]
> 
> 
> Let me know if you need more :)
> 

It looks like the constraints that AVPlayerView uses to manage its own
internal layout are in conflict with its frame. Did you give the
AVPlayerView a non-zero frame before inserting it as a subview? If
you’re trying to position it using Auto Layout, did you remember to turn
.translatesAutoresizingMaskIntoConstraints off?

--Kyle Sluder

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