CODECAPI_AVEncVideoMaxNumRefFrame property
Specifies the maximum reference frames supported by the encoder.
Data type
ULONG (VT_UI4)
Property GUID
CODECAPI_AVEncVideoMaxNumRefFrame
Remarks
For H.264, this maps to the Sequence Parameter Set variable max_num_ref_frames as defined in H.264 specification.
H.264/AVC encoders:
Encoders may use fewer reference frames in order to obey the level specified in the bitstream.
Encoders shall support GetValue, SetValue, and GetParameterRangee.
This is a static property meaning that it can only be set before the encoding session starts.
Recommended default value is 2.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 8.1 [desktop apps | UWP apps] |
| Minimum supported server |
Windows Server 2012 R2 [desktop apps | UWP apps] |
| Header |
|