Changelog:
- No audio thread if audio stream < 0. null AudioOutput now still create
audio thread.
- VideoOutput: fix lock error
- Filter: add X11 text rendering for X11Renderer/XVRenderer.
- LibAVFilter supports HW frames(not recommended)
- VideoFrame copy and init issue, bpp compute error
- Avoid using some stl APIs that breaks ABI
- Add x11 renderer
- XV: support NV12 and packed yuv formats
- Fix factory initialization for static build(iOS for example)
- Fix ffmpeg log level
- Remove AVPicture which is deprecated
- SWS 16 alignment, output to user defined buffer
- Always define the registered id so we can use everywhere
- Better iOS support: build, run, deploy(prl)
- use libuchardet now, use system one if possible
- Fix android build on windows
- XAudio2: fix crash. `double` sample format is not supported
- Fix clock value if speed changed
- VideoRenderer.updateUi
- VideoCapture: fix HW frame save
- New logo ![](http://qtav.org/blog/images/QtAV1.9.0-logo.png "Logo")
- Android: support protocol 'content'. Now can play from Gallery.
- MediaIO is not writable by default
- WinRT (Windows Store) support:
 * Link to XAudio2
 * File open and protocol
- VA-API:
 * Add hevc, vp9. Not tested
 * Support more profiles
 * Improve nvidia support
 * Interop with egl support(dma, tfp). libva 0.38 and Qt>=5.5 are
required.
 * Check resolution support before open
 * Add thread count option (new ffmpeg >2.8 does not support)
 * Prefer /dev/dri/renderD128 for drm
 * Correctly release X11/drm resource
- OpenGL:
 * OpenGL ES3 optimization
 * use new OpenGL and GLSL APIs if possible
- CI:
 * Add windows. Build with latest Qt release. Using msbuild, nmake and
mingw32-make
- API:
 * AVPlayer.stepForward(), stepBackword(). playNextFrame() is deprecated
 * AVPlayer.state
 * AVPlayer.videoDecoderPriority with name list
 * VideoRenderer.frameSize (C++), VideoOutput.frameSize
 * XXXDecoder/Encoder::supportedCodecs, AV(De)Muxer.supportedFormats/
Extensions
 * QML: more metaData keys: startTime, sampleFormat, channelLayout,
pixelFormat, videoFrames
- QMLPlayer/Player:
 * fix OpenGLWidgetRenderer crash
 * Handle Home/Back button for mobile
 * Preview item is movable
 * ppa: rename /usr/bin/player to /usr/bin/Player