QtAV – cross-platform multimedia framework based on Qt and FFmpeg

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.

Features include:

  • 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.

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.

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