MFPKEY_KEYDIST Property
Specifies the maximum time, in milliseconds, between key frames in the codec output.
Constant for IPropertyBag
g_wszWMVCKeyframeDistance
Data Type
VT_I4
Default Value
The default value depends on which version of Windows is running, as shown in the following table.
| Operating system | Default value |
|---|---|
| Windows XP | 8000 |
| Windows Vista | 8000 |
| Windows 7 | 2000 |
Remarks
The internal logic of the codec determines the actual location of each key frame. The distance between any two key frames may be less than the value of this property, however, it will never be greater.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows XP [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|
See also