TOC_ENTRY_DESCRIPTOR Structure

The TOC_ENTRY_DESCRIPTOR structure holds descriptive information for an entry in a table of contents. An entry in a table of contents describes a portion of a media file. For example, an entry might describe a ten-second chunk of video that starts 90 seconds after the beginning of a video file.

Syntax

typedef struct _TOC_ENTRY_DESCRIPTOR {
  QWORD qwStartTime;
  QWORD qwEndTime;
  QWORD qwStartPacketOffset;
  QWORD qwEndPacketOffset;
  QWORD qwRepresentativeFrameTime;
} TOC_ENTRY_DESCRIPTOR;

Members

• qwStartTime
  The start time, in 100-nanosecond units, of the portion of a media file represented by an entry in a table of contents.

• qwEndTime
  The end time, in 100-nanosecond units, of the portion of a media file represented by an entry in a table of contents.

• qwStartPacketOffset
  Not used.

• qwEndPacketOffset
  Not used.

• qwRepresentativeFrameTime
  The presentation time, in 100-nanosecond units, of a frame that is a good representation of the entry. This frame could be used for a thumbnail image that represents the entry.

Requirements

Minimum supported client	Windows Vista
Minimum supported server	Windows Server 2008
Header	Wmcodecdsp.h

See Also

Table of Contents Parser Structures

 

 

Send comments about this topic to Microsoft

Build date: 4/7/2010