[Bug 42372] Watchtower Library 2016, program crashes when trying to play a video from within the program

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=42372

--- Comment #27 from Zebediah Figura <z.figura12 at gmail.com> ---
(In reply to Gijs Vermeulen from comment #26)
> (In reply to Zebediah Figura from comment #25)
> Now that I look at my again, seems like my gstreamer install is broken. I
> fixed it (but not in a pretty way) and it complains about
> err:msvideo:ICLocate Required media codec 'vidc I420' not found! (which is
> something about Indeo).
> 
> I'll try to fix my gstreamer in a decent way and post a decent log.

That message alone doesn't indicate an error. The gstreamer filter by default
doesn't do YUV to RGB color conversion, so quartz has to look for a filter, and
generally this means trying the VFW wrapper before using our GStreamer colour
space converter.

(also, I420 is just planar 4:2:0 yuv; not really Indeo-specific in the way that
IV32 et al. are.)

One of the things on my todo list is to enhance the gstdemux filter to do this
conversion entirely within its pipeline, so we don't have this extra overhead.
But my todo list is long, especially when it comes to quartz...

In any case, while it's always good to fix gstreamer on the user's end, it'd
also be good to fix winegstreamer to be much more robust than it is.

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