IAMVideoCompression::put_KeyFrameRate method (strmif.h)
The put_KeyFrameRate method sets the key-frame rate.
Syntax
HRESULT put_KeyFrameRate(
[in] long KeyFrameRate
);
Parameters
[in] KeyFrameRate
Desired key-frame rate. If the value is negative, the filter will use the default key-frame rate. If the value is zero, only the first frame will be a key frame.
Return value
Returns an HRESULT value.
Remarks
To determine if the filter supports this method, call the IAMVideoCompression::GetInfo method and check for the CompressionCaps_CanKeyFrame flag in the pCapabilities parameter. The GetInfo method also returns the default key-frame rate.
Requirements
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | strmif.h (include Dshow.h) |
| Library | Strmiids.lib |