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DEXTERF_TRACK_SEARCH_FLAGS Enumeration

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Microsoft DirectShow 9.0

DEXTERF_TRACK_SEARCH_FLAGS Enumeration

The DEXTERF_TRACK_SEARCH_FLAGS enumeration specifies the boundary conditions on a search for an object in the timeline .

Syntax

typedef enum {
    DEXTERF_BOUNDING = -1,
    DEXTERF_EXACTLY_AT = 0,
    DEXTERF_FORWARDS = 1
} DEXTERF_TRACK_SEARCH_FLAGS;

Elements

DEXTERF_BOUNDING

Search for an object that spans the specified time.

DEXTERF_EXACTLY_AT

Search for an object that starts exactly at the specified time.

DEXTERF_FORWARDS

Search for an object that starts at the specified time or later.

Remarks

These boundary conditions are summarized in the following table.

Enumeration value Boundary condition
DEXTERF_BOUNDING Start <= Time
Stop > Time
DEXTERF_EXACTLY_AT Start == Time
DEXTERF_FORWARDS Start >= Time
  • Start: start time of the retrieved object.
  • Stop: stop time of the retrieved object.
  • Time: specified search time.

Requirements

Header: Qedit.h.

See Also