Scenes are groups of sources like live and recorded video, text and audio. The main user interface is organized into five sections: scenes, sources, audio mixer, transitions, and controls. OBS Studio also supports plug-ins to extend its functionality. More experienced users can choose any codecs and containers available in libavcodec and libavformat, or output the stream to a custom FFmpeg URL. It can encode multiple tracks of audio in the AAC format. įor video encoding, OBS Studio can use the x264 transcoder, Intel Quick Sync Video, Nvidia NVENC and the AMD Video Coding Engine to encode video streams into the H.264/MPEG-4 AVC or H.265/HEVC formats. It can stream videos to any RTMP-supporting destination, including YouTube, Twitch, Instagram and Facebook. Written in C/ C++ and built with Qt, OBS Studio provides real-time capture, scene composition, recording, encoding, and broadcasting via Real Time Messaging Protocol (RTMP), HLS, SRT or RIST. OBS Studio is a free and open-source app for screencasting and live streaming. The OBS Project raises funds on the platforms Open Collective and Patreon. It is available for Windows, macOS, Linux distributions, and BSD. OBS Studio (also Open Broadcaster Software or OBS, for short) is a free and open-source, cross-platform screencasting and streaming app.