Dependencies

Most of these dependencies should be installed automatically when you install packages.

Project	Source Download Link	Purpose	Client or Server	Required	Notes
​gtk	​http://ftp.gnome.org/pub/gnome/sources/gtk+/	UI Toolkit	both		Version 2.x only for server, version 3.x not fully supported by the client (#640)
​numpy	​http://sourceforge.net/projects/numpy/files/NumPy/	Python Buffers	both
​pyopengl	​https://pypi.python.org/pypi/PyOpenGL and ​https://pypi.python.org/pypi/PyOpenGL-accelerate	OpenGL accelerated rendering	client
Network:
​python-lz4	​https://github.com/steeve/python-lz4	lz4 packet compression	both	recommended
​lzo	​http://www.oberhumer.com/opensource/lzo/download/	lzo packet compression	both
​http://pycrypto.org	​pycrypto	Encryption	both
​python-netifaces	​https://pypi.python.org/pypi/netifaces]	​Multicast DNS session publishing	server
Picture encoding dependencies:
​x264	​ftp://ftp.videolan.org/pub/x264/snapshots/	h264 encoding	server
​ffmpeg	​http://ffmpeg.org/releases/	h264, h265, vp8 and vp9 decoding	client
​vpx	​http://downloads.webmproject.org/releases/webm/index.html	vp8 and vp9 codec	both
​webp	​http://downloads.webmproject.org/releases/webp/index.html	webp codec	both
​python-pillow	​https://pypi.python.org/pypi/Pillow	png,jpeg,webp encoding and decoding, format conversion	both
Sound dependencies:
​Ogg	​http://downloads.xiph.org/releases/ogg/	ogg container format	both
​Flac	​http://downloads.xiph.org/releases/flac/	flac codec	both
​Speex	​http://downloads.xiph.org/releases/speex/	speex codec	both
​Vorbis	​http://downloads.xiph.org/releases/vorbis/	vorbis codec	both
​wavpack	​http://www.wavpack.com/downloads.html	wavpack codec	both
​lame	​http://sourceforge.net/projects/lame/files/lame/	MP3 codec	both
​TwoLame	​http://sourceforge.net/projects/twolame/files/twolame/	MP3 encoding	both
​Mad	​http://sourceforge.net/projects/mad/files/libmad/	MP3 decoding	both
​gstreamer	​http://gstreamer.freedesktop.org/src/	sound support	both
wiki/Building Build dependencies]:
​cython	​http://cython.org/release/	Cython compiler

MS Windows

The dependencies specific to MS Windows are only required when building from source. The original reference documentation comes from winswitch: ​http://winswitch.org/dev/win32.html.

Mac OS X

The dependencies specific to Mac OS X are only required when building from source. The original reference documentation comes from winswitch: ​http://winswitch.org/dev/macosx-manual.html. Most of these dependencies are build tools and libraries which are not available by default with Apple's the developer tools.

Project	Source Download Link	Current Version Used (Available)
​yasm	​http://www.tortall.net/projects/yasm/releases/	1.3.0
​http://www.nasm.us/	​http://www.nasm.us/pub/nasm/releasebuilds/	2.11.08
ORC	​http://gstreamer.freedesktop.org/src/orc/	0.4.22 (0.4.24)

Currently out of date in the moduleset:

• ffmpeg
• cython
• pillow