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The AVIStreamPrevKeyFrameTime macro returns the time of the previous key frame in the stream, starting at a given time.
AVIStreamPrevKeyFrameTime(
pavi,
time
);
Parameters
pavi
Handle to an open stream.
time
Position in the stream to begin searching.
Return Values
Returns the time if successful or - 1 otherwise.
Remarks
The search performed by this macro includes the frame that corresponds to the specified time.
The AVIStreamPrevKeyFrameTime macro is defined as follows:
#define AVIStreamPrevKeyFrameTime(pavi, time) \
AVIStreamSampleToTime(pavi, AVIStreamPrevKeyFrame(pavi,
AVIStreamTimeToSample(pavi, time)))
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