hi Georg,
did you make libavutil.{so,a} available to your environment before
calling gcc like that? the ffmpeg example directory contains a makefile
that helps you build the examples alright.
further: what compiler, what OS are you using?
Best,
P
On 08/14/2015 02:38 PM, Georg wrote:
Hello,
i am a beginner with libav and I try to get used to it with the example
programs in the doc/ folder.
My problem is now that I can´t compile this programs without an 'undefined
reference to..' error.
Here is what I did:
I installed:
fdk-aac-0.1.4 with ./configure --prefix=/usr --disable-static
libav-11.4 with ./configure --enable-nonfree --enable-gpl
--disable-shared --enable-static --enable-version3 --enable-libfdk-aac
Then i try to compile the avcodec.c example from the doc/examples/ folder:
gcc avcodec.c -o example -lavutil -lm -lavcodec
This gives me the Errors:
.. undefined reference to av_frame_alloc
.. undefined reference to av_frame_free
Did I forgot to install a needed lib? Or do i need to link to another lib ?
Thank you for your help
Georg
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