QtAV 1.4.0

An advanced library software for creating feature rich media playing application on Linux
QtAV is an open source library software written in Qt and designed to be used for creating full featured media playback applications for Linux, Microsoft Windows and BSD operating systems.

It features support for seek, resume, pause, video capture, music playback, volume control, fullscreen, stay on top, frame by frame playback (only forward), support for both local and network files, as well as support for the Libav and FFmpeg projects.

Support for hardware decoding is implemented for the CedarX, VAAPI and DXVA2 APIs. It can save video files in the YUV and RGB formats, and implements support for OSD (On-screen display), custom filters, aspect ratio, music playback, volume control, and playing speed control.

It can also be used to rotate or shear any video file using GraphicsItemRenderer, allows for playing a specific audio track by choosing audio channels and media streams, and support multiple rendering engines, including Direct2D, OpenGL, QPainter, XV, and GDI+.

As mentioned, the library allows for playback of local files, as well as remote ones via well known protocols, such as HTTP and RTSP. In addition, it supports multiple video outputs for a single player, and can dynamically change a render engine when playing a video file.

QtAV also supports ROI (Region of Interest), such as video cropping, video equalizers for modifying contrast, brightness, hue and saturation, as well as QML (Qt Modeling Language) through a plugin.

The project can be easily built against the Qt4 or Qt5 frameworks, allowing developers to create video playback application with either toolkit. It is one of the most appreciated library software for creating feature-rich multimedia playback apps.

As mentioned, the software is platform-independent, supporting a plethora of GNU/Linux and UNIX-like operating systems, including BSD and Microsoft Windows. It was written in the C++ programming language and supports multiple keyboard shortcuts.

Reviewed by on March 17th, 2014


last updated on:
September 10th, 2014, 19:39 GMT
price:
FREE!
developed by:
Wang Bin
license type:
LGPL v2 (GNU Lesser General Public Lic... 
category:
ROOT \ Multimedia \ Video

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softpedia rating

4.5/5

user rating 3

UNRATED
5.0/5
 

0/5

2 Screenshots
QtAV - IP camera using QtAV on Fedora 18QtAV - QtAV on Windows 8
What's New in This Release:
  • Improve OpenGL: more pixel formats, supports QML(not stable), dynamic gl support etc.
  • VAAPI: GLX direct rendering support. check 4k.
  • DXVA: more decoding surfaces to improve performance
  • VDA (OSX hardware decoding) support
read full changelog
 

Application description

QtAV is an open source video library that can be used by application developers in their video playback software. It p...

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