EC_VMR_RENDERDEVICE_SET

 
Microsoft DirectShow 9.0

EC_VMR_RENDERDEVICE_SET

Sent when the VMR has selected its rendering mechanism.

lParam1

May be one of the following values:

Value Meaning
VMR_RENDER_DEVICE_OVERLAY The VMR will render to the overlay surface (VMR-7 only).
VMR_RENDER_DEVICE_VIDMEM The VMR will render to video memory.
VMR_RENDER_DEVICE_SYSMEM The VMR will render to system memory (VMR-7 only).

lParam2

Not used.

Remarks

This event is sent by both the VMR-7 and the VMR-9 and it is forwarded to applications. Note that the VMR-9 only supports video memory render targets.

Requirements

  Header: Dshow.h.

See Also