QtAV Versions Save

Changelog

• CMake support
• Fix iOS build
• Fix AVPacket memory leak
• Geometry & GeometryRenderer class is public
• PAL8, XYZ color format support
• Fix OpenGL background color
• Fix external clock error after pause
• VA-API encoder support (ffmpeg>=3)
• Other improvements, fixes, and untested features

Windows download

• XAudio2 support
• VideoToolbox hardware decoder(OSX) support. It can decode h264, h263, mpeg1, mpeg2, mpeg4. Better than VDA
• CUDA 0-copy support
• Dynamic video decoder switch when playing (try it in QMLPlayer)
• Embedded ass subtitles support
• ass subtitle font setup
• No OpenGL build fix for linux
• Fix qpainter rendering if vbo is used
• Fix OpenGL rendering for some rgb formats
• DXVA 0-copy improvement, intel clearvideo workaround etc.
• AO: add null backend
• HW: fix profile check
• Ref counted frames from ff decoders. This fix opengl crash when uploading textures
• Fix audio resampler parameters not set correctly
• VS2015 support

Install: http://www.qtav.org/install.html

Changelog

• Add QtAVWidgets module contains widget based renderers, video preview widget
• QtAV module only depends on QtCore and QtGui
• Improve audio output API
• Simplify deployment on OSX. Deploy sdk from release packages without build.
• Improve seekable detection
• Fix noise audio if volume increased
• Fix noise and wrong playback speed for wmv videos
• Preview is more accurate
• Do not copy AVPacket but use reference count.
• Faster audio track switch
• Reopen audio output only if audio format changed
• VideoFrame: new API for converting to another format or QImage
• OpenGL VAO, VBO support.
• QML
  • Fix some crashes in QQuickItemRenderer
  • Add FBO item renderer and use the same code path as other opengl renderers
  • timeout property
• player and QMLPlayer example
  • player: real time preview on progress bar
  • Fast seek and display if seek shortcut is pressed and hold

Changelog

• Async load
• Faster seek and preview. Thanks wm4(mpv developer)
• Better a/v sync solution. Now can play high fps video better than ANY other players.
• DXVA: enable HEVC decoder if libavcodec runtime supports. LAVFilters ffmpeg supports it.
• Cedarv improvements, nv12 output support, neon code from libvdpau-sunxi
• Multiple OpenAL instances support
• AVInput class to extend media sources. Support play multimedia files from qrc resouces.
• Display the first frame after seek
• Better clock error correction
• Fix play frame by frame issues
• Fix QML video shake
• More details for error signals
• Apply user options in the next playback
• Dynamic load libass (submodule 'capi' is required, https://github.com/wang-bin/capi)
• VA-API: fix blurred bottom line issue. works on libav >= 9 now.
• Progress is start at 0 by default even if 1st pts is not 0.
• Fix capture issues: capture current displayed frame, easier api
• RGB48 support. OpenGL only supports RGB48LE.
• Link to static ffmpeg support
• Fix open error if input url/path contains special charactors

version 1.4.1 2014-11-06

Changelog:

• More QtMultimedia compatible QML playback API
• Debian package support. Now you can build on ubuntu>=14.04 using debuild
• Subtitle: libass renderering support. Dynamically change FFmpeg parser and libass
• Log level control support without changing any Qt logging functions (qDebug, qWarning etc.)
• Video orientation support in renderers
• Bug fix: video frame with alpha value. video stream start time >0. OpenAL can not close correctly...
• QML only: video preview.
• players: config UI in QMLPlayer. Video preview on progress bar.

[](http://sourceforge.net/projects/qtav/files/release/1.4.1/QtAV1.4.1-linux64-installer.run/download"><img src="../images/DL_Linux.png)