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https://github.com/OpenShot/libopenshot

OpenShot Video Library (libopenshot) is a free, open-source project dedicated to delivering high quality video editing, animation, and playback solutions to the world. API currently supports C++, Python, and Ruby.
https://github.com/OpenShot/libopenshot

audio c-plus-plus lgplv3 openshot qt5 video video-editing video-effects video-library video-processing videoediting videoeditor-sdk

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OpenShot Video Library (libopenshot) is a free, open-source project dedicated to delivering high quality video editing, animation, and playback solutions to the world. API currently supports C++, Python, and Ruby.

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README 

        



OpenShot Video Library (libopenshot) is a free, open-source C++ library

dedicated to delivering high quality video editing, animation, and playback

solutions to the world.



## Build Status



[![libopenshot CI Build](https://github.com/OpenShot/libopenshot/actions/workflows/ci.yml/badge.svg)](https://github.com/OpenShot/libopenshot/actions/workflows/ci.yml) [![libopenshot-audio CI Build](https://github.com/OpenShot/libopenshot-audio/actions/workflows/ci.yml/badge.svg)](https://github.com/OpenShot/libopenshot-audio/actions/workflows/ci.yml)



## Features



* Cross-Platform (Linux, Mac, and Windows)

* Multi-Layer Compositing

* Video and Audio Effects (Chroma Key, Color Adjustment, Grayscale, etc…)

* Animation Curves (Bézier, Linear, Constant)

* Time Mapping (Curve-based Slow Down, Speed Up, Reverse)

* Audio Mixing & Resampling (Curve-based)

* Audio Plug-ins (VST & AU)

* Audio Drivers (ASIO, WASAPI, DirectSound, CoreAudio, iPhone Audio,

  ALSA, JACK, and Android)

* Telecine and Inverse Telecine (Film to TV, TV to Film)

* Frame Rate Conversions

* Multi-Processor Support (Performance)

* Python and Ruby Bindings (All Features Supported)

* Qt Video Player Included (Ability to display video on any QWidget)

* Unit Tests (Stability)

* All FFmpeg Formats and Codecs Supported (Images, Videos, and Audio files)

* Full Documentation with Examples (Doxygen Generated)



## Install



Detailed instructions for building libopenshot and libopenshot-audio for

each OS. These instructions are also available in the `/docs/` source folder.



   * [Linux](https://github.com/OpenShot/libopenshot/wiki/Linux-Build-Instructions)

   * [Mac](https://github.com/OpenShot/libopenshot/wiki/Mac-Build-Instructions)

   * [Windows](https://github.com/OpenShot/libopenshot/wiki/Windows-Build-Instructions)



## Hardware Acceleration



OpenShot now supports experimental hardware acceleration, both for encoding

and decoding videos. When enabled, this can either speed up those operations

or slow them down, depending on the power and features supported by your

graphics card.



Please see [`doc/HW-ACCEL.md`](doc/HW-ACCEL.md) for more information.



## Documentation



Beautiful HTML documentation can be generated using Doxygen.

```

make doc

```

(Also available online: http://openshot.org/files/libopenshot/)



## Developers



Are you interested in becoming more involved in the development of OpenShot?

Build exciting new features, fix bugs, make friends, and become a hero!

Please read the [step-by-step](https://github.com/OpenShot/openshot-qt/wiki/Become-a-Developer)

instructions for getting source code, configuring dependencies, and building

OpenShot.



## Report a bug



You can report a new libopenshot issue directly on GitHub:



https://github.com/OpenShot/libopenshot/issues



## Websites



- https://www.openshot.org/  (Official website and blog)

- https://github.com/OpenShot/libopenshot/ (source code and issue tracker)

- https://github.com/OpenShot/libopenshot-audio/ (source code for audio library)

- https://github.com/OpenShot/openshot-qt/ (source code for Qt client)

- https://launchpad.net/openshot/



### Copyright & License



Copyright (c) 2008-2022 OpenShot Studios, LLC. This file is part of

OpenShot Video Editor (https://www.openshot.org), an open-source project

dedicated to delivering high quality video editing and animation solutions

to the world.



OpenShot Library (libopenshot) is free software: you can redistribute it

and/or modify it under the terms of the GNU Lesser General Public License

as published by the Free Software Foundation, either version 3 of the

License, or (at your option) any later version.



OpenShot Library (libopenshot) is distributed in the hope that it will be

useful, but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU Lesser General Public License for more details.



You should have received a copy of the GNU Lesser General Public License

along with OpenShot Library. If not, see http://www.gnu.org/licenses/.



To release a commercial product which uses libopenshot (i.e. video

editing and playback), commercial licenses are also available: contact

[email protected] for more information.