TOC_ENTRY_DESCRIPTOR structure (wmcodecdsp.h)
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
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps only] |
Minimum supported server | Windows Server 2008 [desktop apps only] |
Header | wmcodecdsp.h |