[Qt5-feedback] Displaying video in windows

[Tom Cooksey]

I think it's generally understood that there are two optimal paths for
displaying video: 1) Textured video: Reading video as a YUV texture using
OES_EGL_image_external or similar and 2) Using video overlay hardware.
Textured video is the most generic and flexible, however it requires the GPU
to be powered up for every frame. Option 2 is less flexible, typically only
allowing scaling and 90-degree rotations but uses significantly less power
(ideal for watching movies full-screen). Will both of these video
presentation techniques be part of the Qt 5 architecture? If so, how will it
work? What about support for VDPAU, VAAPI and similar such proprietary video
presentation technologies?


Cheers,

Tom
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