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AVIStreamNextKeyFrame macro (vfw.h)

The AVIStreamNextKeyFrame macro locates the next key frame following a specified position in a stream.

Syntax

LONG AVIStreamNextKeyFrame(
     pavi,
     l
);

Parameters

pavi

Handle to an open stream.

l

Starting position to search in the stream.

Return value

Type: LONG

Returns the position of the key frame if successful or –1 otherwise.

Remarks

The search performed by this macro does not include the frame at the specified position.

The AVIStreamNextKeyFrame macro is defined as follows:


#define AVIStreamNextKeyFrame(pavi, l) \ 
    AVIStreamFindSample(pavi, l + 1, FIND_NEXT | FIND_KEY) 

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

See also

AVIFile Functions and Macros

AVIFile Macros