AVIStreamPrevKeyFrameTime
The AVIStreamPrevKeyFrameTime
macro returns the time of the previous key frame in the stream, starting at a
given time.
AVIStreamPrevKeyFrameTime(
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pavi, |
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time |
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); |
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Parameters
pavi
Handle of 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)))