[vtk-developers] build errors with recent changes on FindFFMPEG.cmake
Arnaud GELAS
arnaud_gelas at hms.harvard.edu
Thu Mar 25 10:48:59 EDT 2010
Hi Dave,
I have just updated and tried again, same errors:
[ 75%] Building CXX object IO/CMakeFiles/vtkIO.dir/vtkFFMPEGWriter.cxx.o
/home/ajg23/CVSROOT/VTK/IO/vtkFFMPEGWriter.cxx:25:30: error:
ffmpeg/avformat.h: No such file or directory
/home/ajg23/CVSROOT/VTK/IO/vtkFFMPEGWriter.cxx:32:30: error:
ffmpeg/swscale.h: No such file or directory
/home/ajg23/CVSROOT/VTK/IO/vtkFFMPEGWriter.cxx:57: error: ISO C++
forbids declaration of 'AVFormatContext' with no type
ffmpeg headers are installed as follows:
/usr/include/ffmpeg/libavcodec/avcodec.h
/usr/include/ffmpeg/libavformat/avformat.h
/usr/include/ffmpeg/libavutil/avutil.h
/usr/include/ffmpeg/libswscale/swscale.h
They seem seem to be found during the cmake configuration time, which is
supposed to be for recent version of ffmpeg (It may be a wrong
assumption here).
The error sounds like it assume my system has an older version of ffmpeg...
Arnaud
On 03/25/2010 10:35 AM, Dave Partyka wrote:
> Hi Arnaud,
>
> The intention of my change was to get it working with where apt-get
> installs the headers/libraries on Debian. :-/ Can you share where the
> ffmpeg headers and libraries are installed on your machine,
> particularly avcodec,h avformat.h avutil.h swscale.h (this one may not
> exist at all) and the equivalent libs (libavcodec, libavformat,
> libavutil, libswscale? Also if you try updating and doing a build
> right now does the error go away? I checked in a few more changes this
> morning.
>
> On Thu, Mar 25, 2010 at 10:24 AM, Arnaud GELAS
> <arnaud_gelas at hms.harvard.edu <mailto:arnaud_gelas at hms.harvard.edu>>
> wrote:
>
> Hi,
>
> With the recent changes in FindFFMPEG.cmake, vtk is not compiling
> anymore with FFMPEG on my machine. It was perfectly working until
> last night...
>
> http://www.cdash.org/CDash/viewBuildError.php?buildid=570714
>
> I can set up a nightly build to track/solve this error if needed.
>
> My machine is a Linux Fedora Core 12 (64 bits) with ffmpeg
> installed using yum.
>
> The commit message on FindFFMPEG.cmake states "COMP: further fixes
> to get FFMPEG to be found properly on Linux."
> Is there any distribution dependency on how ffmpeg is installed?
>
> Arnaud
>
>
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