Most of these dependencies should be installed automatically when you install official packages.
Unless otherwise stated, the dependencies are all optional.
Those are required for almost every component. | Project | Source Download Link | Purpose | Client or Server | Notes | |———|———————-|———|——————|:——| |glib|https://ftp.gnome.org/pub/gnome/sources/glib/|low-level library|both|Required| |gtk|http://ftp.gnome.org/pub/gnome/sources/gtk+/|UI Toolkit|both|Required| |pyopengl|https://pypi.python.org/pypi/PyOpenGL and
https://pypi.python.org/pypi/PyOpenGL-accelerate|client OpenGL accelerated rendering|client| | |pycups|https://pypi.org/project/pycups/)|Printing|both| |
| Project | Source Download Link | Purpose | Client or Server | Notes |
|---|---|---|---|---|
| rencode | https://pypi.python.org/pypi/rencode/ | packet encoding | both | Recommended |
| pyyaml | https://pypi.python.org/pypi/PyYAML/ | alternative packet encoder | both | optional (usually unused) |
| lz4 | https://github.com/lz4/lz4/releases | packet compression | both | Recommended |
| python-lz4 | https://github.com/python-lz4/python-lz4 | python wrapper for lz4 | both | Recommended |
| lzo | http://www.oberhumer.com/opensource/lzo/#download | packet compression | both | optional - deprecated (usually unused as lz4 is better) - win32 build, see #1044 |
| python-lzo | https://pypi.org/project/python-lzo/ | python wrapper for lzo | both | optional |
| python-cryptography | https://pypi.python.org/pypi/cryptography | Encryption | both | |
| python-zeroconf | https://pypi.org/project/zeroconf/ | Multicast DNS session publishing | server | |
| python-netifaces | https://pypi.python.org/pypi/netifaces | Multicast DNS session publishing | server | |
| dbus-python | https://dbus.freedesktop.org/releases/dbus-python/ | desktop integration, server control interface | both | not applicable to MS Windows or Mac OSX |
| openssl | https://www.openssl.org/source/ | SSL | both | |
| paramiko | https://pypi.org/project/paramiko/ | ssh integration | both | |
| sshpass | https://sourceforge.net/projects/sshpass/files/sshpass/ | non-interactive SSH password authentication | usually client | |
| brotli | https://github.com/google/brotli/releases | HTML client compression | r15540 |
| Project | Source Download Link | Purpose | Client or Server | Notes |
|---|---|---|---|---|
| python-gssapi | https://pypi.org/project/python-gssapi | GSSAPI | server | #1691 |
| python-kerberos | https://pypi.org/project/kerberos/ | Kerberos | server | #1691 |
| python-ldap | https://pypi.org/project/python-ldap/ | LDAP | server | #1691 |
| python-ldap3 | https://pypi.org/project/ldap3/ | LDAP v3 | server | #1691 |
| pyu2f | https://pypi.org/project/pyu2f/ | U2F | server | #1789 |
| Project | Source Download Link | Notes |
|---|---|---|
| python-ipaddress | https://pypi.org/project/ipaddress/ | unspecified: r11859 |
| python-idna | https://pypi.org/project/idna/ | unspecified: r11860 |
| python-decorator | https://pypi.org/project/decorator/ | required by gssapi: r18781 |
| pytest-runner | https://pypi.org/project/pytest-runner/ | required by python-lz4: r17864 |
| python-deprecation | https://pypi.org/project/deprecation/ | required by python-lz4: r17749 |
| python-pkgconfig | https://pypi.org/project/pkgconfig/ | required by python-lz4: r17748 |
| python-setuptools-scm | https://pypi.org/project/setuptools-scm/ | required by python-lz4: r15282 |
| nose | https://pypi.org/project/nose/] | required by python-lz4: r8676 |
| pyasn1 | https://pypi.org/project/pyasn1/] | unspecified: r5829 |
| asn1crypto | https://pypi.org/project/asn1crypto/ | required by python-cryptography: r17856 |
| python-packaging | https://pypi.org/project/packaging/ | required by python-cryptography: r15310 |
| pyparsing | https://pypi.org/project/pyparsing/ | required by python-cryptography: r15310 |
| cffi | https://pypi.org/project/cffi/ | required by python-cryptography: r11633 |
| six | https://pypi.org/project/six/ | required by python-cryptography: r11640 |
| enum-compat | https://pypi.org/project/enum-compat/ | required by zeroconf: r20441 |
| enum34 | https://pypi.org/project/enum34/ | required by enum-compat: r15397 |
| setuptools | https://pypi.org/project/setuptools/ | unspecified: r5829 |
| pycparser | https://pypi.org/project/pycparser/ | required by cffi: r11634 |
| pynacl | https://pypi.org/project/PyNaCl/ | crypto library used by paramiko: r19967 |
| bcrypt | https://pypi.org/project/bcrypt/ | crypto library used by paramiko: r19965 |
| Project | Source Download Link | Purpose | Client or Server |
|---|---|---|---|
| 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 |
| libpng | ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng16/ | png encoding | both |
| libjpeg-turbo | https://sourceforge.net/projects/libjpeg-turbo/files/ | jpeg encoding | both |
| python-pillow | https://pypi.python.org/pypi/Pillow | png,jpeg,webp encoding and decoding, format conversion - Required | both |
| opencv | http://opencv.org/downloads.html | Webcam capture] | client |
| libyuv | https://chromium.googlesource.com/libyuv/libyuv/ | Colourspace Conversion | both |
| pycuda | https://pypi.python.org/pypi/pycuda | NVENC | server |
| cuda | https://developer.nvidia.com/cuda-toolkit | NVENC | server |
| pyNVML | https://pypi.python.org/pypi/nvidia-ml-py/ | NVENC | server |
| Project | Source Download Link | Purpose |
|---|---|---|
| gstreamer | http://gstreamer.freedesktop.org/src/ | audio framework |
| Ogg | http://downloads.xiph.org/releases/ogg/ | ogg container format |
| opus | http://downloads.xiph.org/releases/opus/ | opus codec |
| Flac | http://downloads.xiph.org/releases/flac/ | flac codec |
| Speex | http://downloads.xiph.org/releases/speex/ | speex codec |
| Vorbis | http://downloads.xiph.org/releases/vorbis/ | vorbis codec |
| wavpack | http://www.wavpack.com/downloads.html | wavpack codec |
| faac | http://faac.sourceforge.net/ | aac encoder |
| faad | http://faac.sourceforge.net/ | aac decoder |
| lame | http://sourceforge.net/projects/lame/files/lame/ | MP3 encoder |
| TwoLame | http://sourceforge.net/projects/twolame/files/twolame/ | MP3 encoder |
| Mad | http://sourceforge.net/projects/mad/files/libmad/ | MP3 decoder |