Requirements:

DirectShow SDK, included in ​Windows SDK, tested with Windows SDK for Windows 7 and .NET Framework 3.5 SP1

SDL 1.2 from ​http://www.libsdl.org/download-1.2.php (Development Libraries win32)

ffmpeg dev lib from ​http://www.pjsip.org/tmp/ffmpeg-dev-gcc4.zip

config_site.h:

#define PJMEDIA_HAS_FFMPEG 1
#define PJMEDIA_VIDEO_DEV_HAS_SDL 1
#define PJMEDIA_VIDEO_DEV_HAS_DSHOW 1