# DXVA2_Frequency structure

Defines a video frequency.

## Syntax

```
typedef struct _DXVA2_Frequency {
UINT Numerator;
UINT Denominator;
} DXVA2_Frequency;
```

## Inheritance

The DXVA2_Frequency structure implements .

## Members

`Numerator`

Numerator of the frequency.

`Denominator`

Denominator of the frequency.

## Remarks

The value 0/0 indicates an unknown frequency. Values of the form *n*/0, where *n* is not zero, are invalid. Values of the form 0/*n*, where *n* is not zero, indicate a frequency of zero.

## Requirements

Minimum supported client |
Windows Vista [desktop apps only] |

Minimum supported server |
Windows Server 2008 [desktop apps only] |

Header |
dxva2api.h |