The next step is to compile and install the necessary libraries. (NOTE: These instructions may not be perfect. I couldn't get everything to work, so I had Jon come in to fix things. This is my best recollection of what he did to get things to work.)

1. Open a Terminal window. Enter the following commands, shown in bold.
   
   
2. cd /home/davidwoods/Transana/transana_ffmpeg
   
   
3. Install LAME:
   
   cd lame-3.96.1
   
   ./configure --prefix=/home/davidwoods/Transana/transana_libs --disable-shared --enable-static
   
   make
   
   make install
   
   cd ..
   
   
4. Install zlib:
   
   cd zlib-1.2.3/
   
   ./configure --prefix=/home/davidwoods/Transana/transana_libs
   
   make
   
   make install
   
   cd ..
   
   
5. Install nasm:
   
   cd nasm-0.98.39/
   
   ./configure --prefix=/home/davidwoods/Transana/transana_libs
   
   make
   
   make install
   
   cd ..
   
   On my computer, there was a problem finding nasm later when it was needed. The following command took care of that:
   
   export PATH=$PATH:/home/davidwoods/Transana/transana_libs/bin
   
   
6. Install faad:
   
   cd faad2-20050513
   
   ./configure --prefix=/home/davidwoods/Transana/transana_libs
   
   cd libfaad
   
   make
   
   make install
   
   cd ../..
   
   If you run into problems compiling faad due to problems with the version of the automake file. If this problem arises, try running:
   
   aclocal
   
   followed by:
   
   automake
   
   before the "configure" step above. If you ran a make that failed, it is a good idea to run make clean before running make again.
   
   
7. Install x264:
   
   cd x264-snapshot-20060822-2245
   
   ./configure --prefix=/home/davidwoods/Transana/transana_libs --disable-pthread
   
   make
   
   make install
   
   cd ..
   
   
8. I needed to update a system variable to get ffmpeg to compile:
   
   export LD_LIBRARY_PATH=$LD_LIBRARY_PATH: home/davidwoods/Transana/transana_libs/lib
   
   
9. Install ffmpeg:
   
   cd ffmpeg
   
   ./configure --prefix=/home/davidwoods/Transana/transana_libs --enable-faad --enable-mp3lame --enable-x264 --enable-gpl --extra-cflags=-I/home/davidwoods/Transana/transana_libs/include --extra-ldflags=-L/home/davidwoods/Transana/transana_libs/lib --extra-libs=/home/davidwoods/Transana/transana_libs/lib/libfaad.so.0
   
   make
   
   Edit makeaudioextract, adding "-L/home/davidwoods/Transana/transana_libs/lib" in front of the "-lmp3lame" parameter. (This might not be necessary because of the LD_LIBRARY_PATH set above. I don't know.)
   
   ./makeaudioextract
   
   cd ..

There should now be an executable file named "audioextract" in the /home/davidwoods/Transana/ffmpeg directory.   Copy that file to your Transana source directory.