QtAV
QtAV is a multimedia framework for Qt that provides an easy API to play and manipulate video and audio. It supports hardware decoding and has a plugin system for codecs. Useful if you need multimedia capabilities for a Qt-based app.
multimedia
video
audio
playback
qt
QtAV: Multimedia Framework for Qt
A multimedia framework for Qt providing an easy API to play and manipulate video and audio, with hardware decoding support and a plugin system for codecs.
What is QtAV?
QtAV is an open source multimedia framework built for the Qt framework. It provides a simple API and abstraction layer for developers to easily integrate audio and video playback along with basic editing and manipulation capabilities into Qt applications.
Key features of QtAV include:
- Hardware accelerated video decoding through FFmpeg and platform specific APIs like DirectX, CUDA etc.
- Audio playback and volume control
- Subtitle support with automatic loading from media files
- Video widget with customization options for aspect ratio, deinterlacing etc.
- Support for common formats like AVI, MKV, MP4, FLV etc.
- Frame-by-frame stepping and screenshot capturing
- Desktop capturing capabilities
- Effect filters for video like blur, color adjustment etc.
- Plugin system for adding new codecs without recompilation
QtAV makes it easy to build cross-platform media features into Qt-based C++ applications for desktops, mobile devices etc. It encapsulates low-level multimedia processing into an easy to use API. Useful for developers looking to add video/audio playback or basic editing features without delving into backend codec details.
QtAV Features
Features
- Cross-platform multimedia framework
- Hardware accelerated video and audio playback
- Support for multiple media formats and codecs
- Audio and video capturing capabilities
- Media streaming
- Effects and filters
- Subtitle support
- Plugin system for extending functionality
Pricing
- Open Source
Pros
Easy to use API
Good performance and low resource usage
Active development and maintenance
Good documentation
Integration with Qt makes it easy to use in Qt applications
Open source with permissive licensing
Cons
Limited community and ecosystem compared to alternatives
Less flexible compared to more low-level multimedia libraries
May not have support for some niche codecs and formats
Official Links
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