Re: [Vxl-users] compilation error of vidl

[Peter V. <Pet...@es...>]

> vidl_mpegcodec_helper.h:38: video_out.h: No such file or directory
> vidl_mpegcodec_helper.h:39: mpeg2.h: No such file or directory
> vidl_mpegcodec_helper.h:40: mm_accel.h: No such file or directory
> vidl_mpegcodec_helper.h:41: ../libvo/video_out_internal.h: No such file or directory
> 
> I know mpeg2.h should be the header file, which belongs to mpeg library.
> But ../libvo/video_out_internal.h seems to a local file. And I can't 
> find it.

The mpeg2 support is not fully stable yet.  First of all, make sure you
have the latest version of mpeg2dec, from http://libmpeg2.sourceforge.net

Then set the following entries in your CMakeCache.txt file:
(Or just run configure, in case you have extracted the mpeg2dec tar file
 into /usr/local/livid/mpeg2dec, which probably is not the case.)

NATIVE_MPEG_INCLUDE_PATH:PATH=/usr/local/livid
NATIVE_MPEG2_LIBRARY:FILEPATH=/usr/local/lib
NATIVE_MPEG_VO_LIBRARY:FILEPATH=/usr/local/lib

The above are of course examples; make sure that from
${NATIVE_MPEG_INCLUDE_PATH} down, you can see both
mpeg2dec/include/video_out.h and mpeg2dec/libvo/video_out_internal.h
This will be the case when you extract the tar file for mpeg2dec in that
directory ${NATIVE_MPEG_INCLUDE_PATH} and then rename (or symlink)
mpeg2dec-0.2.1 to mpeg2dec

Finally, cvs update $VXLROOT/config.cmake/Modules/FindNativeMPEG.cmake
(there was an error in there yesterday) and make.


CMake should then have created the following line in CMakeCache.txt:

vidl_LIB_DEPENDS:STATIC=vul;vil;vcl;/usr/local/lib;mpeg2;vo;

It may be that limpeg2.a and/or libvo.a need either libSDL or libXv;
you will notice this from eventual link errors.
In that case, just edit the above line from CMakeCache.txt by adding
Xv;
at the end of that line (or SDL; or whatever, if needed).


Hope this helps you out with mpeg2 support.
There will be soon a more stable interface ;-)


	Peter.