KSPROPERTY_VIDEOCOMPRESSION_QUALITY
The KSPROPERTY_VIDECOMPRESSION_QUALITY property controls the video compression quality setting. This property must be implemented.
Usage Summary Table
| Get | Set | Target | Property descriptor type | Property value type |
|---|---|---|---|---|
Yes |
Yes |
Filter |
LONG |
The property value (operation data) is a LONG that specifies a video compression quality value.
Remarks
The Value member of the KSPROPERTY_VIDEOCOMPRESSION_S structure specifies the quality metric.
Values for this property range from 0 to 10000. Zero indicates the lowest quality, 10000 the highest. The minidriver determines its own default value.
Minidrivers that support this property should set the KS_CompressionCaps_CanQuality flag in the Capabilities member of the KSPROPERTY_VIDEOCOMPRESSION_GETINFO_S structure that retrieves the minidriver's video compression capabilities. If a minidriver sets the KS_CompressionCaps_CanQuality, it should support both get and set requests for the property.
Values for this property range from 0 to 10000. Zero indicates the lowest quality, 10000 the highest. The minidriver determines its own default value.
Requirements
Header |
Ksmedia.h (include Ksmedia.h) |