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Grabs a frame from camera or video file, decompresses and returns it. This function is just a combination of cvGrabFrame and cvRetrieveFrame in one call.

Namespace: Emgu.CV
Assembly: Emgu.CV (in Emgu.CV.dll) Version: 2.3.0.1416 (2.3.0.1416)

Syntax

C#
public static IntPtr cvQueryFrame(
	IntPtr capture
)
Visual Basic
Public Shared Function cvQueryFrame ( _
	capture As IntPtr _
) As IntPtr
Visual C++
public:
static IntPtr cvQueryFrame(
	IntPtr capture
)

Parameters

capture
Type: System..::..IntPtr
Video capturing structure

Return Value

Pointer to the queryed frame

Remarks

The returned image should not be released or modified by user.

See Also