AVIStreamPrevSample
The AVIStreamPrevSample macro locates the nearest nonempty sample that precedes a specified position in a stream.
AVIStreamPrevSample(
pavi,
lPos
);
Parameters
pavi
Handle to an open stream.
lPos
Starting position to search in the stream.
Return Values
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
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Vfw.h.
See Also