AVISUPERINDEX
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AVISUPERINDEX structure

Contains an AVI 2.0 super index (index of indexes).

Syntax


typedef struct _avisuperindex {
  FOURCC                      fcc;
  UINT                        cb;
  WORD                        wLongsPerEntry;
  BYTE                        bIndexSubType;
  BYTE                        bIndexType;
  DWORD                       nEntriesInUse;
  DWORD                       dwChunkId;
  DWORD                       dwReserved[3];
  struct _avisuperindex_entry {
    DWORDLONG qwOffset;
    DWORD     dwSize;
    DWORD     dwDuration;
  } aIndex[];
} AVISUPERINDEX;

Members

fcc

A FOURCC code. The value must be 'indx'.

cb

The size of the structure, not including the initial 8 bytes.

wLongsPerEntry

The size of each index entry, in 4-byte units. The value must be 4.

bIndexSubType

The index subtype. The value must be zero or AVI_INDEX_SUB_2FIELD.

bIndexType

The index type. The value must be AVI_INDEX_OF_INDEXES.

nEntriesInUse

The number of valid entries in the adwIndex array.

dwChunkId

A FOURCC that identifies the object that is indexed.

dwReserved

Reserved. Set the array elements to zero.

aIndex

An array of structures that contain the following members. The number of elements in the array is calculated from the value of cb.

qwOffset

The offset, in bytes, from the start of the file to the sub-index that this entry points to.

dwSize

The size of the sub-index, in bytes.

dwDuration

The duration of the file that is covered by the sub-index, in stream ticks.

Remarks

For more information, see the OpenDML AVI File Format Extensions, published by the OpenDML AVI M-JPEG File Format Subcommittee. (This resource may not be available in some languages and countries.)

Requirements

Header

Aviriff.h

See also

AVI RIFF File Reference
DirectShow Structures
AVIMETAINDEX

 

 

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