Getting the source code to PJProject.
To get the latest source to PJProject, run the command below.
git clone git://git.ffmpeg.org/ffmpeg.git ffmpeg

To get the tag that I am using in VoiceMac and VoiceMob, run the commands below.
git clone git://git.ffmpeg.org/ffmpeg.git ffmpeg
cd ffmpeg
git checkout v0.6.1

Building.
To build for VoiceMac, run the command below.
./install

To build for VoiceMob, run the command below.
./install ios