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| # [QtAV](http://www.qtav.org) [](https://travis-ci.org/wang-bin/QtAV) | ||
| # [QtAV](http://www.qtav.org) [](https://travis-ci.org/wang-bin/QtAV) [](https://ci.appveyor.com/project/wang-bin/qtav) | ||
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| QtAV is a multimedia playback library based on Qt and FFmpeg. It can help you to write a player | ||
| QtAV is a multimedia playback library based on Qt and FFmpeg. It can help you to write a play | ||
| with less effort than ever before. | ||
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| QtAV has been added to FFmpeg projects page [http://ffmpeg.org/projects.html](http://ffmpeg.org/projects.html) | ||
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@@ -9,32 +9,28 @@ QtAV has been added to FFmpeg projects page [http://ffmpeg.org/projects.html](ht | |
| you must adhere to the terms of the license in question.** | ||
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| #### [Home page](http://www.qtav.org), [Download binaries from sourceforge](https://sourceforge.net/projects/qtav) , [Source code on github](https://github.com/wang-bin/QtAV) | ||
| #### [Home page](http://www.qtav.org), [Download binaries from sourceforge](https://sourceforge.net/projects/qtav/files/release), [Latest build](https://sourceforge.net/projects/qtav/files/ci), [Source code on github](https://github.com/wang-bin/QtAV) | ||
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| ### Features | ||
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| QtAV can meet your most demands | ||
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| - Hardware decoding suppprt: DXVA2, VAAPI, VDA, CedarX, CUDA(the 1st player support CUDA on linux?) | ||
| - OpenGL and ES2 support for Hi10P and other 16-bit YUV videos (The 1st player/library support in ES2? VLC, XBMC, mplayer does not support now) | ||
| - Hardware decoding suppprt: DXVA2, VAAPI, VDA(the most effecient VDA decoder), CedarX, CUDA(the 1st player support CUDA on linux?) | ||
| - OpenGL and ES2 support for almost all formats including Hi10P videos (The 1st player/library support 10bit in ES2? VLC, XBMC, mplayer does not support now) | ||
| - Real time preview | ||
| - Video capture in rgb and yuv format | ||
| - OSD and custom filters | ||
| - Filters in libavfilter, for example stero3d, blur | ||
| - Subtitle supports ass, srt etc. Dynamic change FFmpeg and libass engine | ||
| - Playing frame by frame (currently support forward playing) | ||
| - Playback speed control. At any speed. | ||
| - Variant streams: locale file, http, rtsp, etc. | ||
| - Choose audio channel | ||
| - Choose media stream, e.g. play a desired audio track | ||
| - Renderers: QPainter(QWidget, QGraphicsItem), GDI+, Direct2D, XV and OpenGL(and ES2). | ||
| - 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. | ||
| - Multiple video outputs for 1 player | ||
| - Region of interest(ROI), i.e. video cropping | ||
| - Video eq(software and OpenGL): brightness, contrast, saturation, hue | ||
| - QML support. Most playback APIs are compatible with QtMultimedia module | ||
| - Compatiblity: QtAV can be built with both Qt4 and Qt5. QtAV supports | ||
| both FFmpeg(>=1.0) and [Libav](http://libav.org) (>=9.0). Latest FFmpeg release is recommended. | ||
| - Compatiblity: QtAV can be built with both Qt4 and Qt5, FFmpeg(>=1.0) and [Libav](http://libav.org) (>=9.0). Latest FFmpeg release is recommended. | ||
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| ### Extensible Framework | ||
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| #### Requirements | ||
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| [](http://qt-project.org) | ||
| [](http://www.qt.io) | ||
| [](http://ffmpeg.org) | ||
|  | ||
| [](http://libav.org) | ||
| [](http://www.portaudio.com) | ||
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| Latest FFmpeg, Qt5 and OpenAL releases are preferred. | ||
|  | ||
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| **The required development files for MinGW can be found in sourceforge | ||
| **The required development files to build QtAV can be found in sourceforge | ||
| page: [depends](https://sourceforge.net/projects/qtav/files/depends)** | ||
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| #### Build | ||
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| #### How To Write a Player | ||
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| Wrtie a media player using QtAV is quite easy. | ||
| Wrtie a media player using QtAV quite easy. | ||
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| GLWidgetRenderer2 renderer; | ||
| renderer.show(); | ||
| renderer.s | ||
| AVPlayer player; | ||
| player.setRenderer(&renderer); | ||
| player.play("test.avi"); | ||
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| For End Users | ||
| ------------- | ||
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| #### Player Usage | ||
| #### Player Commandline Options | ||
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| An simple player can be found in examples. The command line options is | ||
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| player [-ao null] [-vo qt|gl|d2d|gdi|xv] [-vd "dxva[cuda[;vaapi[;vda[;ffmpeg]]]]"] [--no-ffmpeg-log] [url|path|pipe:] | ||
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| To disable audio output, add `-ao null` | ||
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| Choose a render engine with _-vo_ option(default is OpenGL). For example, in windows that support Direct2D, you can run | ||
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| player -vo d2d filename | ||
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| To select decoder, use `-vd` option. Value can be _dxva_, _vaapi_ and _ffmpeg_, or a list separated by `;` in priority order. For example: | ||
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| player -vd "dxva;ffmpeg" filename | ||
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| will use dxva if dxva can decode, otherwise ffmpeg will be used. | ||
| Run `player -h` | ||
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| #### Default Shortcuts | ||
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| *** | ||
| ### Donate 资助 | ||
| ### [Donate 捐赠](http://www.qtav.org/donate.html) | ||
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| [PayPal ](http://www.qtav.org#donate) | ||
| [](https://www.gittip.com/wang-bin) | ||
| [Gittip ](https://www.gittip.com/wang-bin) | ||
|  | ||
| - - - | ||
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| > Copyright © Wang Bin [email protected] | ||
| > Shanghai University->S3 Graphics->Deepin, Shanghai, China | ||
| > 2013-01-21 | ||
| > 2013-01-21 | ||
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