IC Imaging Control C++

DriverFrameDropInformation Structure

DriverFrameDropInformation Structure

The DriverFrameDropInformation contains information over how many frames the driver delivered versus how many it dropped and where those drops occurred in the pipeline.
Syntax:
struct DriverFrameDropInformation
{
    uint64_t     FramesDelivered;
    uint64_t     FramesDroppedDueToPacketLoss;
    uint64_t     FramesDroppedDueToTransforms;
    uint64_t     FramesDroppedDueToApplicationQueue;
    uint64_t     FramesDroppedDueUnspecified;
};

Members Description
FramesDelivered

Frames delivered at the highest driver level before handing of to DirectShow/ICImagingControl

FramesDroppedDueToPacketLoss

Frames dropped due to incomplete data received, either because of bandwidth problems or problems with the transportation medium

FramesDroppedDueToTransforms

Frames dropped in the driver, most likely because the system is too slow to transform the images from the transport format into the actual exported format.

FramesDroppedDueToApplicationQueue

Frames dropped due to overrunning queue on the application side. Mostly due to Callbacks taking to much time to copy data from driver buffers into application buffers.

FramesDroppedDueUnspecified

Frames dropped due to unspecified circumstances (mostly a cop out when the driver does not provide the actual drop info).

Information:

Introduced in version 3.5

See also: Grabber::getDriverFrameDropInformation

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