Revert "Merge remote-tracking branch 'upstream/master'"

This reverts commit bb81ee167ac82b3bd8136ffae11ea8edbe2da2a5, reversing
changes made to 01c1fd27f876140aaee74661b1ae6e9afe9f62eb.

	modified:   examples/QMLPlayer/qml/QMLPlayer/main.qml
	modified:   examples/player/main.cpp
	modified:   examples/player/player.pro
	modified:   qml/QQuickItemRenderer.cpp
	modified:   qml/QmlAV/QQuickItemRenderer.h
	modified:   qml/QmlAV/QuickSubtitle.h
	deleted:    qml/QmlAV/QuickSubtitleItem.h
	modified:   qml/Video.qml
	modified:   qml/plugins.qmltypes
	modified:   src/AVClock.cpp
	modified:   src/AVCompat.cpp
	modified:   src/AVDemuxThread.cpp
	modified:   src/AVDemuxer.cpp
	modified:   src/AVPlayer.cpp
	modified:   src/AVThread.cpp
	modified:   src/AudioFormat.cpp
	modified:   src/AudioResamplerFF.cpp
	modified:   src/AudioResamplerLibav.cpp
	modified:   src/AudioThread.cpp
	modified:   src/Frame.cpp
	modified:   src/ImageConverterFF.cpp
	modified:   src/ImageConverterIPP.cpp
	modified:   src/OpenGLVideo.cpp
	modified:   src/Packet.cpp
	modified:   src/QAVIOContext.cpp
	modified:   src/QtAV/AVClock.h
	modified:   src/QtAV/QtAV_Global.h
	modified:   src/QtAV/Statistics.h
	modified:   src/QtAV/VideoOutput.h
	modified:   src/QtAV/VideoRenderer.h
	modified:   src/QtAV/private/VideoRenderer_p.h
	modified:   src/QtAV_Global.cpp
	modified:   src/VideoCapture.cpp
	modified:   src/VideoFormat.cpp
	modified:   src/VideoShader.cpp
	modified:   src/VideoThread.cpp
	modified:   src/codec/AVDecoder.cpp
	modified:   src/codec/audio/AudioDecoder.cpp
	modified:   src/codec/video/VideoDecoder.cpp
	modified:   src/codec/video/VideoDecoderCUDA.cpp
	modified:   src/codec/video/VideoDecoderCedarv.cpp
	modified:   src/codec/video/VideoDecoderDXVA.cpp
	modified:   src/codec/video/VideoDecoderFFmpeg.cpp
	modified:   src/codec/video/VideoDecoderFFmpegHW.cpp
	modified:   src/codec/video/VideoDecoderVAAPI.cpp
	modified:   src/codec/video/VideoDecoderVDA.cpp
	modified:   src/filter/Filter.cpp
	modified:   src/filter/FilterContext.cpp
	modified:   src/filter/LibAVFilter.cpp
	modified:   src/filter/SubtitleFilter.cpp
	modified:   src/output/AVOutput.cpp
	modified:   src/output/audio/AudioOutput.cpp
	modified:   src/output/audio/AudioOutputDSound.cpp
	modified:   src/output/audio/AudioOutputOpenAL.cpp
	modified:   src/output/audio/AudioOutputOpenSL.cpp
	modified:   src/output/audio/AudioOutputPortAudio.cpp
	modified:   src/output/video/Direct2DRenderer.cpp
	modified:   src/output/video/GDIRenderer.cpp
	modified:   src/output/video/GLWidgetRenderer.cpp
	modified:   src/output/video/GraphicsItemRenderer.cpp
	modified:   src/output/video/OpenGLRendererBase.cpp
	modified:   src/output/video/OpenGLWidgetRenderer.cpp
	modified:   src/output/video/OpenGLWindowRenderer.cpp
	modified:   src/output/video/VideoOutput.cpp
	modified:   src/output/video/VideoOutputEventFilter.cpp
	modified:   src/output/video/VideoRenderer.cpp
	modified:   src/output/video/WidgetRenderer.cpp
	modified:   src/output/video/XVRenderer.cpp
	modified:   src/subtitle/CharsetDetector.cpp
	modified:   src/subtitle/Subtitle.cpp
	modified:   src/subtitle/SubtitleProcessor.cpp
	modified:   src/subtitle/SubtitleProcessorFFmpeg.cpp
	modified:   src/subtitle/SubtitleProcessorLibASS.cpp
	modified:   src/utils/BlockingQueue.h
	modified:   src/utils/Logger.cpp
	modified:   src/utils/Logger.h
	modified:   src/utils/OpenGLHelper.cpp
	modified:   src/vaapi/vaapi_helper.cpp
	modified:   src/vaapi/vaapi_helper.h