QtAV is a multimedia playback framework based on Qt and FFmpeg.
The framework supports a wide range of operating systems. It comes with a media player.
QtAV is free and open source software.
Key Features
- Plays most media formats without installing other codecs.
- Hardware decoding support: DXVA2, VAAPI, VDA/VideoToolbox, CedarX, and CUDA.
- OpenGL and ES2 support for almost all formats including Hi10P videos.
- Real time preview
- Video capture in rgb and yuv format.
- OSD and custom filters.
- Filters in libavfilter, for example stero3d, blur.
- Subtitle track select. Dynamic change FFmpeg and libass engine.
- ASS subtitle
- Multiple subtitles.
- Play frame by frame.
- Playback speed control.
- Variant streams: locale file, http, rtsp etc. and your custom streams.
- Audio channel, tracks and external audio tracks.
- Dynamically change render engine when playing.
- Dynamically change video decoder.
- Multiple video outputs for 1 player.
- Video eq(software and OpenGL): brightness, contrast, saturation, hue.
- QML support. Most playback APIs are compatible with QtMultimedia module.
- Cross-platform support: runs under Linux, Mac OS X, Android, Windows, and more.
Website: www.qtav.org
Support: Wiki, GitHub Code Repository
Developer: Lucas Wang
License: The media player is published under GNU General Public License version 3. QtAV is licensed under the GNU Lesser General Public License, version 2.1

QtAV is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| Media Players | |
|---|---|
| VLC | Cross-platform multimedia player and framework |
| mpv | Media player for the command line. libmpv is used by many front-ends |
| QMPlay2 | Qt based video and audio player |
| MPlayer | Movie player which runs on many systems |
| SMPlayer | Qt based MPlayer front-end |
| GridPlayer | Play multiple videos simultaneously |
| Parole | Modern simple media player based on the GStreamer framework |
| MPC-QT | Clone of Media Player Classic |
| clapper | GNOME media player built using GJS with GTK4 toolkit |
| Totem | Movie player for the GNOME desktop based on GStreamer |
| Dragon Player | Multimedia player with a focus on simplicity rather than features |
| xine | Video player for playing CDs, DVDs, BluRays and VCDs. |
| Showtime | GNOME media player |
| Glide | Simple and minimalistic media player |
| Phantom Player | Simple video player |
| Daikhan | Media player for the modern desktop |
| QtAV | Cross-platform multimedia framework based on Qt and FFmpeg |
| Rage | Simple video and audio player |
| Kaffeine | Simple, easy to use, full featured media player |
Read our verdict in the software roundup.
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