VBI Category

The following GUID corresponds to the vertical blanking interval (VBI) category:

• PINNAME_VIDEO_VBI

  VBI category output pins provide a stream of VBI waveform samples. This stream is passed to downstream codecs that extract closed captioning (CC), NABTS, WST, timecode, and other digital data streams.

When specifying PINNAME_VIDEO_VBI pins, use the information listed in the following table.

Attribute	Value
DataRange Structure	KS_DATARANGE_VIDEO_VBI
DataFormat Structure	KS_DATAFORMAT_VIDEO_VBI
MajorFormat GUID	KS_DATAFORMAT_TYPE_VBI
SubFormat GUID	KSDATAFORMAT_SUBTYPE_RAW8
Specifier GUID	KSDATAFORMAT_SPECIFIER_VBI
Extended Header Size	KS_VBI_FRAME_INFO
Required Property Sets	None
Required Event Sets	None
DirectShow majortype	MEDIATYPE_VBI
DirectShow formattype	FORMAT_VBI