Doc: Fix missing element name in Video

Change-Id: I2237bf4a1da632f0528cfb9e6b32ea88f3930350
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
VideoOutput: Take the surface's viewport into account

Task-Number: QTBUG-30410

Change-Id: I480ce0bcd7ec136e54b5bfc5fec0e901141b72d8
Reviewed-by: Josh Faust <jfaust@suitabletech.com>
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
qmlvideo example, add missing #ifdef PERFORMANCEMONITOR_SUPPORT

This usage of PerformanceMonitor needs to be protected by the same
preprocessor check as the header include that makes it available.

Change-Id: Ie8a1b6e99a61c333ceedcf2e9751235fc2efb415
Reviewed-by: Martin Smith <martin.smith@digia.com>
Decouple qmediametadata.h from qmultimedia.h

qmultimedia.h is included in more places, but qmediametadata.h is
larger. This patch should reduce unnecessary #include-ing.

Change-Id: I4a3d174bafc555d794bb75087c1f6b79745ae903
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
Make directshow-plugin available.

No longer include <qedit.h> in directshow-plugin,
which no longer ships in newer SDKs.

Ensure it only provides the camera service if the
WMF-plugin is built by using a different .json-file.

Adapt qcamerabackend-test to use widgets.

Task-number: QTBUG-28047

Change-Id: I22ea441b9edb56ff55bc275dba37c01c77d8dd90
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
Merge branch 'stable' into st