Add orientation to VideoFrame #840
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It's a Big Mess, see #351 (comment): source and destination can decide to take the orientation into account, or disregard it. Sometimes the orientation is from the image, sometimes from style. Open the test case in Chromium/Gecko/WebKit browsers for extra fun. |
padenot
approved these changes
Oct 15, 2024
|
I'd mention orientation and flip in "9.4.8. Rendering" |
Djuffin
approved these changes
Oct 18, 2024
Done. |
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Adds
rotationandfliptoVideoFrameandVideoFrameconstructorinitdictionaries, as described in #351 (comment).Does not include any changes to
VideoDecoder,VideoEncoder, orImageDecoder.I do not allow buffer-initialized
VideoFrames to end up with orientations other than requested, which differs from the proposal slightly, but is probably more obvious for developers.I assume that
CanvasandImageBitmapsources do not have natural orientations. I do not know if this is reasonable.There is handwaving around the natural orientation of
ImageElementsources, as I did not find any spec text that describes how EXIF orientation is actually handled.Preview | Diff