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Implemented by applications to control video rotation and scaling parameters.
When to Implement
The IAMVideoTransform Interfaceshould be used by any application that needs to control rotation and scaling on the device's video renderer.
Methods in Vtable Order
The following table shows the methods that appear in the Vtable beneath the standard COM methods inherited from IUnknown.
Method | Description |
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Specifies the angle of rotation that should be applied to the target of the video renderer. |
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Retrieves the current angle of rotation. |
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Specifies the scaling mode that should be used by the video renderer. |
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Retrieves the scaling mode that is currently used. |
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Retrieves the rotation capabilities of the current filter graph. |
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Retrieves the scaling mode capabilities of the current filter graph. |
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Retrieves the scaling capabilities of the current filter graph. |