Re: [Vxl-users] VXL Compilation problem

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Jose

>From: "Matt Leotta" <mat...@gm...>
>To: "Jose Alexandre de Franca" <jos...@ms...>
>CC: vxl...@li...
>Subject: Re: [Vxl-users] VXL Compilation problem
>Date: Mon, 17 Jul 2006 13:44:36 -0400
>
>Jose,
>
>  The vidl2 library is still under development.  You are likely to
>find several bugs in it.  These will be fixed in CVS as they are
>identified.  If you use the CVS version you can get the latest bug
>fixes.  Using a stable build of VXL is fine for the core libraries and
>many parts of contrib.  However, it is probably to your advantage to
>work from CVS if you are using vidl2.  Note that with this comes the
>risks of being on the bleeding edge of development.
>
>  If you don't plan to use IIDC firewire cameras I recommend that you
>disable libdc1394.  You can do this by setting the libdc1394 CMake
>variables to IGNORE.  If you do need to use this library you should
>get libdc1394 version 2.0.0-pre5 to work with vxl-1.5.1 or 2.0.0-pre7
>to work with the latest CVS code.
>
>  My guess is that your ffmpeg package from Ubuntu has libdc1394
>version 1 compiled in (I know that Debian package does).  This may
>conflict with libdc1394 version 2.  If you need to use both you will
>have to recompile ffmpeg with dc1394 disabled.  I have done this in
>Debian by building the source package with a few tweaks to the
>configuration files.
>
>Good Luck,
>Matt Leotta
>
>On 7/17/06, Jose Alexandre de Franca <jos...@ms...> wrote:
>>
>>
>>The VxL developers are creating a great library and You are very patients
>>with newbies like me. :-)
>>
>>Well... let me to explain my problems.
>>
>>I am sorry! I confused ffmpeg library with mpeg2 library. Now, I will
>>compile the ffmpeg library like you suggests.
>>
>>I am using the last stable version (vxl-1.5.1). Is it better I to use the
>>version CVS?
>>
>>My ffmpeg version is 0.cvs20050918.
>>
>>After their explanations, I will try to redo the "things" in a correct 
>>way.
>>
>>Thanks You, Matt Leotta!
>>
>>Jose
>>
>> >From: "Matt Leotta" <mat...@gm...>
>> >To: "Jose Alexandre de Franca" <jos...@ms...>
>> >CC: vxl...@li...
>> >Subject: Re: [Vxl-users] VXL Compilation problem
>> >Date: Mon, 17 Jul 2006 10:58:39 -0400
>> >
>> >Jose,
>> >
>> >  I'm still a bit confused.  VXL does not contain built-in ffmpeg.
>> >However, you can build the vidl2 library without ffmpeg.  In fact you
>> >can also build vidl2 without libdc1394 or without any of the 3rd party
>> >video libraries.  If CMake does not find a required ffmpeg file (or if
>> >you set that CMake field to IGNORE) then vidl2 will build without it.
>> >Without any 3rd party libraries vidl2 can only handle sequences of
>> >image files on disk.
>> >
>> >  The ffmpeg libraries add support for video encoding and decoding
>> >using a variety of formats.  The libdc1394 library adds support for
>> >direct capture from an IEEE 1394 (aka FireWire or i.Link) camera that
>> >uses the IIDC specification (this does not include DV camcorders).
>> >
>> >Building vidl2 with both libdc1394 and ffmpeg is currently rather
>> >tricky.  All three of these projects are under heavy development and
>> >have frequent API changes.  What version of VXL (latest CVS, or a
>> >stable release) are you using?  What version of ffmpeg are you using?
>> >ffmpeg rarely makes official releases so the version might just be a
>> >date from CVS.
>> >
>> >libdc1394_control.so should not be required if you have the latest VXL
>> >from CVS.  However, older prereleases of libdc1394 did use this
>> >library.  If you have an older copy of the vidl2 code you might need
>> >an older release of libdc1394 (probably version 2.0.0-pre5).
>> >
>> >Hopefully this will stabilize a bit when the official release of
>> >libdc1394 arrives.  Until then the easiest solution to simply disable
>> >to 3rd party libraries that you don't need.
>> >
>> >--Matt Leotta
>> >
>> >On 7/16/06, Jose Alexandre de Franca <jos...@ms...> wrote:
>> >>
>> >>Thank you for your reply! I am using the  built-in ffmpeg that comes 
>>with
>> >>VxL. (I had problems compiling with the ffmpeg that comes with Ubuntu.)
>> >>Then... The ffmpeg library is compiled and installed during the VxL
>> >>installation. In this case, how is possible to disable the dc1394 
>>support
>> >>of
>> >>this ffmpeg library?
>> >>
>> >>Another thing... In the configuration of the VxL installation, the 
>>system
>> >>asks the "libdc1394_control.so library location". This library doesn't
>> >>exist
>> >>in the 2pre7 version. What should I know?
>> >>
>> >>Thank you! You are help me a lot. :-)
>> >>Jose
>> >>
>> >>
>> >> >From: "Matt Leotta" <mat...@gm...>
>> >> >To: "Jose Alexandre de Franca" <jos...@ms...>
>> >> >CC: vxl...@li...
>> >> >Subject: Re: [Vxl-users] VXL Compilation problem
>> >> >Date: Sat, 15 Jul 2006 23:34:38 -0400
>> >> >
>> >> >vidl2 shouldn't depend on libdc1394_control.so.  However, if you are
>> >> >also compiling in support for FFMPEG you need to make sure FFMPEG is
>> >> >compiled with support for libdc1394 disabled.  Unfortunately, the
>> >> >FFMPEG libraries contain some code that uses libdc1394 version 1.
>> >> >This conflicts with support for libdc1394 version 2 in vidl2.  You 
>>can
>> >> >set a flag when compiling FFMPEG to disable dc1394.
>> >> >
>> >> >If this is not the problem then I need a more detailed error message
>> >> >to understand what is going on.
>> >> >
>> >> >Good Luck,
>> >> >Matt Leotta
>> >> >
>> >> >On 7/15/06, Jose Alexandre de Franca <jos...@ms...> wrote:
>> >> > > A big problem!
>> >> > >
>> >> > > I need vidl2. vidl2 needs libdc1394-2pre7. But... vidl2 needs
>> >> > > libdc1394_control.so. But... There is no libdc1394_control.so in
>> >> > > libdc1394-2pre7.  How do I leave this ambush? :-(
>> >> > >
>> >> > > Regards
>> >> > > Jose
>> >> > >
>> >> > >
>> >> > > >From: "Miguel A. Figueroa-Villanueva" <mi...@ie...>
>> >> > > >To: "Jose Alexandre de Franca" <jos...@ms...>
>> >> > > >CC: vxl...@li...
>> >> > > >Subject: Re: [Vxl-users] VXL Compilation problem
>> >> > > >Date: Sat, 15 Jul 2006 16:47:01 -0400
>> >> > > >
>> >> > > >Hello Jose,
>> >> > > >
>> >> > > >I'm not sure what's the problem... but do you need vidl2 in
>> >> > > >particular? or the DC1394 support? If not you can turn off it's
>> >> > > >compilation without affecting the rest of VXL, by setting
>> >> > > >BUILD_CONTRIB_VIDL2 to OFF in ccmake.
>> >> > > >
>> >> > > >Otherwise, Matt will be of more help than me... but maybe this 
>>(from
>> >> > > >the docs) can help you sort some things out:
>> >> > > >
>> >> > > >// WARNING this stream requires version 2 of the libdc1394 API.
>> >> > > >// if you are also using the ffmpeg streams make sure your
>> >>libavcodec
>> >> > > >// and libavformat library are compiled without dc1394 support.
>> >> > > >// ffmpeg supplies limited 1394 support through the libdc1394
>> >> > > >// version 1 API.  Linking to both version of libdc1394 will 
>>result
>> >> > > >// in linking errors.
>> >> > > >//
>> >> > > >// Currently this code works with libdc1394 version 2.0.0-pre7.
>> >> > > >// The authors note that the libdc1394 API is subject to change 
>>in
>> >> > > >// prerelease version.  As a result, the vidl2_dc1394_istream is
>> >> > > >// is subject to change with it.
>> >> > > >
>> >> > > >Hope this helps.
>> >> > > >
>> >> > > >--Miguel
>> >> > > >
>> >> > > >On 7/15/06, Jose Alexandre de Franca <jos...@ms...> 
>>wrote:
>> >> > > >>Hello!
>> >> > > >>
>> >> > > >>I am trying to compile the VxL library. But I am "bumping" into 
>>the
>> >> >error
>> >> > > >>message that follows. The problem seems to be in the DC1394
>> >>library.
>> >> > > >>But...
>> >> > > >>I think this library is installed correctly in my system (a 
>>Ubuntu
>> >> >linux
>> >> > > >>box, GCC 4.0).  Can anybody tell me which the correct version of
>> >>the
>> >> > > >>dc1394
>> >> > > >>library I should install to compile the  VxL library correctly?
>> >> >Thanks!
>> >> > > >>
>> >> > > >>Jose Franca
>> >> > > >>Universidade Estadual de Londrina
>> >> > > >>Brazil
>> >> > > >>
>> >> > > >>The error message:
>> >> > >
>> >> >
>> >> 
>> >>/usr/local/vxl/vxl-1.5.1/contrib/brl/bbas/vidl2/vidl2_dc1394_istream.cxx:45:
>> >> > > >>error: ISO C++ forbids declaration of 'dc1394camera_t' with no 
>>type
>> >> > >
>> >> >
>> >> 
>> >>/usr/local/vxl/vxl-1.5.1/contrib/brl/bbas/vidl2/vidl2_dc1394_istream.cxx:45:
>> >> > > >>error: expected ';' before '*' token
>> >> > >
>> >> >
>> >> 
>> >>/usr/local/vxl/vxl-1.5.1/contrib/brl/bbas/vidl2/vidl2_dc1394_istream.cxx:
>> >> > > >>In
>> >> > > >>constructor 'vidl2_dc1394_istream::pimpl::pimpl()':
>> >> > >
>> >> >
>> >> 
>> >>/usr/local/vxl/vxl-1.5.1/contrib/brl/bbas/vidl2/vidl2_dc1394_istream.cxx:35:
>> >> > > >>error: class 'vidl2_dc1394_istream::pimpl' does not have any 
>>field
>> >> >named
>> >> > > >>'camera_info_'
>> >> > >
>> >> >
>> >> 
>> >>/usr/local/vxl/vxl-1.5.1/contrib/brl/bbas/vidl2/vidl2_dc1394_istream.cxx:36:
>> >> > > >>error: 'DC1394_SPEED_400' was not declared in this scope
>> >> > >
>> >> >
>> >> 
>> >>/usr/local/vxl/vxl-1.5.1/contrib/brl/bbas/vidl2/vidl2_dc1394_istream.cxx:
>> >> > > >>In
>> >> > > >>member function 'virtual bool vidl2_dc1394_istream::open(const
>> >> > > >>std::string&,
>> >> > > >>unsigned int, bool, const vidl2_iidc1394_params&)':
>> >> > > >>
>> >> > > >>
>> >> > > >>
>> >> > > >>
>> >> > >
>> >> >
>> >> 
>> >>-------------------------------------------------------------------------
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>> >> > >
>> >> >
>> >> 
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>> >> > > >>_______________________________________________
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>> >> > > >>Vxl...@li...
>> >> > > >>https://lists.sourceforge.net/lists/listinfo/vxl-users
>> >> > > >>
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> 
>> >-------------------------------------------------------------------------
>> >> > > Using Tomcat but need to do more? Need to support web services,
>> >> >security?
>> >> > > Get stuff done quickly with pre-integrated technology to make your
>> >>job
>> >> >easier
>> >> > > Download IBM WebSphere Application Server v.1.0.1 based on Apache
>> >> >Geronimo
>> >> > >
>> >>http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
>> >> > > _______________________________________________
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>> >> > > Vxl...@li...
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>> >> > >
>> >> >
>> >> >
>> >> 
>> >-------------------------------------------------------------------------
>> >> >Using Tomcat but need to do more? Need to support web services,
>> >>security?
>> >> >Get stuff done quickly with pre-integrated technology to make your 
>>job
>> >> >easier
>> >> >Download IBM WebSphere Application Server v.1.0.1 based on Apache
>> >>Geronimo
>> >> 
>> >http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
>> >> >_______________________________________________
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>> >>
>> >>
>> >>
>>
>>
>>