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The AVIStreamPrevSampleTime macro determines the time of the nearest nonempty sample that precedes a specified time in a stream.
Syntax
LONG AVIStreamPrevSampleTime(
pavi,
t
);
Parameters
pavi
Handle to an open stream.
t
Position information of the sample in the stream.
Return value
Type: LONG
Returns the time if successful or –1 otherwise.
Remarks
The AVIStreamPrevSampleTime macro is defined as follows:
#define AVIStreamPrevSampleTime(pavi, t) \
AVIStreamSampleToTime(pavi, \
AVIStreamPrevSample(pavi, \
AVIStreamTimeToSample(pavi, t)))
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | vfw.h |