AVIStreamPrevSample macro
The AVIStreamPrevSample macro locates the nearest nonempty sample that precedes a specified position in a stream.
Syntax
LONG AVIStreamPrevSample( pavi, lPos );
Parameters
- pavi
-
Handle to an open stream.
- lPos
-
Starting position to search in the stream.
Return value
Returns the sample position if successful or –1 otherwise.
Remarks
The sample position returned does not include the sample specified by lPos.
The AVIStreamPrevSample macro is defined as follows:
#define AVIStreamPrevSample(pavi, lPos) \
AVIStreamFindSample(pavi, lPos - 1, FIND_PREV | FIND_ANY)
Requirements
|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
|---|---|
|
Minimum supported server | Windows 2000 Server [desktop apps only] |
|
Header |
|
See also
Build date: 10/27/2012
