VMRFrequency Structure

This topic applies to Windows XP Service Pack 1 only.

The VMRFrequency structure describes the frequency of a video stream. Frequencies are described as ratios. For example, the NTSC frame rate of 29.97 fps is expressed as 30,000:1001.

Syntax

typedef struct _VMRFrequency {
    DWORD dwNumerator;
    DWORD dwDenominator;
} VMRFrequency;

Members

dwNumerator

Numerator of the frequency ratio.

dwDenominator

Denominator of the frequency ratio.

Requirements

Requires Microsoft® Windows® XP Service Pack 1.

See Also

• DirectShow Structures