FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

• libavcodec provides implementation of a wider range of codecs.
• libavformat implements streaming protocols, container formats and basic I/O access.
• libavutil includes hashers, decompressors and miscellaneous utility functions.
• libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
• libavdevice provides an abstraction to access capture and playback devices.
• libswresample implements audio mixing and resampling routines.
• libswscale implements color conversion and scaling routines.

• ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
• ffplay is a minimalistic multimedia player.
• ffprobe is a simple analysis tool to inspect multimedia content.
• Additional small tools such as aviocat, ismindex and qt-faststart.

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Coding examples are available in the doc/examples directory.

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.

$ cat $HOME/.Xresources
XTerm*decTerminalID: vt340
XTerm*sixelScrolling: true
XTerm*regisScreenSize: 1920x1080
XTerm*numColorRegisters: 256
$ xrdb $HOME/.Xresources  # reload

$ wget ftp://invisible-island.net/xterm/xterm.tar.gz
$ tar xvzf xterm.tar.gz
$ cd xterm-*
$ ./configure --enable-sixel-graphics
$ make
$ ./xterm  # launch

$ git clone https://github.com/saitoha/libsixel
$ cd libsixel
$ ./configure && make && make install
$ cd ..
$ git clone https://github.com/saitoha/FFmpeg-SIXEL
$ cd FFmpeg-SIXEL
$ ./configure --enable-libsixel
$ make
$ ./ffmpeg -i a.webm -f sixel -pix_fmt rgb24 -reqcolors 256 -s 600x360 -loglevel panic -