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WIP: Dev openglaccelerated playback#282

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nolyn wants to merge 29 commits intodevelopIENT/YUView:developfrom dev_openGLacceleratedPlaybackIENT/YUView:dev_openGLacceleratedPlaybackCopy head branch name to clipboard

+983-21

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Commits on Oct 1, 2020

• using the qt cube opengl example as a basis. modified the separate

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Commits on Oct 2, 2020

• made openglwidget central widget. it now renders properly on the

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Commits on Oct 5, 2020

• basic openGl backend works. can read a frame from a hardcoded sequence

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• removed unused code

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• merged code for camera setup into other function

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• added a new separate window which is used for the openGL view.

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• returned separate windows to its original functionality

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Commits on Oct 6, 2020

• connected opengl view to the yuviews file handling. can now display

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• set swap interval to 0 -> disabling vsync. this allows faster playback

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• removed obsolete resource

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• removed debuggin code which loaded first frame of racehorses

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• fixed problem with shaders as qresources. added Q_INIT_RESOURCE call

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Commits on Oct 7, 2020

• fixed bug that made green lines appear at picture border

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• simplified and commented the code

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• shader locations don't need to be member variables, local suffices

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• added support for YUV 420 10 bit playback with openGL view

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• fixed bug. that OpenGL widget needs to be opened before seqeunce is

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• removed obsolete, unused files

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• removed unused code

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Commits on Oct 8, 2020

• implemented setting the apsect ratio of the opengl view correctly

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• fixed some misguiding variable names

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Commits on Oct 13, 2020

• for opengl widget, moved update format signalling into update

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Commits on Oct 14, 2020

• added support for playback of compressed video with opengl view

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• added opengl context swtiching, just in case, not sure it is required here

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• code cleanup

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Commits on Oct 19, 2020

• removed dependency on GLM

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• replaced std::shared_ptr with QScopedPointer

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• added some cleanup code for opengl objects

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Commits on Oct 25, 2020

• opengl playback: increased number of triangles used for the rectangle

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