Re: [Vxl-users] compiling on MacOS

[Matt L. <mat...@gm...>]

Yogi,

  I'm a VXL developer and a recent switcher to the Mac.  I can confirm
that VXL does work fine on OS X 10.4.  I've fixed up a few things
myself that caused me problems when I switched a few months ago.
There are a few outstanding issues that need addressing, but almost
everything is usable.  It would
be nice to have some OS X builds on the dashboard, but I don't have a
desktop Mac that I can let run these builds overnight.  I believe
there are at least a handful of other VXL users and developers using
OS X.  I think that Apple's laptops are much more common than their
desktops and servers and this may partially explain the lack of OS X
dashboard builds.

  I also happen to be one of the main developers for a new video
library, vidl2, which is designed to ultimately replace vidl.  I've
worked with ffmpeg in VXL quite a bit.  The biggest problem with
ffmpeg is it's lack of stable releases.  However, the stability is not
the issue.  The problem is that the API is constantly evolving, and
there are no well defined API freezes for developers to agree on
using.  That said, VXL has tried to support several different
"versions" of ffmpeg.  I'm not currently using the version from
macports because it is quite old.  I built my own version of ffmpeg
from source.  The version I have is 51.12.1 from the subversion
repository in early August of this year.  I suggest that you try the
latest version from subversion.  If you have any problems with that
one let me know.  When I find some free time I'll update my ffmpeg
build and make sure VXL is updated to work with it.

Of course, the easiest solution (if you don't need video support) is
to disable ffmpeg in you VXL build.

Good Luck,
Matt Leotta

On Dec 2, 2007 12:30 PM, Yogesh Girdhar <yo...@ci...> wrote:
> Hi All
> I am a new user of VXL and am trying to get it get VXL to work on my
> macbook pro running OSX 10.4.
> I installed ffmpeg and other basic dependencies through macports.
> Now when i try to compile I get the following error:
>
> In file included from
> /Users/yogesh/local/src/vxl-1.9.0/core/vidl/vidl_ffmpeg_codec.h:15,
>                  from
> /Users/yogesh/local/src/vxl-1.9.0/core/vidl/vidl_codec.cxx:10:
> /opt/local/include/ffmpeg/avformat.h:62: error: integer constant is
> too large for 'long' type
>
> Looking at the dashboard i see no OSX machines and looking at the
> archives also its not clear if VXL is known to work on OSX or not.
> Could somebody please tell me what is the status of VXL on OSX?
>
> Thanks
> -Yogi
>
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