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winrt: Fix camera auto rotation

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There is no Windows Runtime API to find the camera sensor rotation, so
assume that phones always have a camera mounting of 270 degrees. Tablet
and webcams remain mounted at the default (0 degrees). As the frame is not
flipped automatically by the system, the scan line direction is set to
BottomToTop for front-facing cameras to achieve compatibility with
other platforms.

Task-number: QTBUG-41066
Change-Id: Icf17ecd4aca9fa9d5b24d94e5b21b63ee6f21f28
Reviewed-by: Oliver Wolff <oliver.wolff@theqtcompany.com>
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
This commit is contained in:
Andrew Knight
2014-12-11 09:48:52 +02:00
committed by Yoann Lopes
parent 2b181d5469
commit 791febc1d3
4 changed files with 26 additions and 0 deletions
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10
src/plugins/winrt/qwinrtabstractvideorenderercontrol.cpp
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@@ -310,6 +310,16 @@ void QWinRTAbstractVideoRendererControl::setSize(const QSize &size)
d->dirtyState = TextureDirty;
}
void QWinRTAbstractVideoRendererControl::setScanLineDirection(QVideoSurfaceFormat::Direction scanLineDirection)
{
Q_D(QWinRTAbstractVideoRendererControl);
if (d->format.scanLineDirection() == scanLineDirection)
return;
d->format.setScanLineDirection(scanLineDirection);
}
void QWinRTAbstractVideoRendererControl::setActive(bool active)
{
Q_D(QWinRTAbstractVideoRendererControl);