AVIStreamPrevSample

The AVIStreamPrevSample macro locates the nearest nonempty sample that precedes a specified position in a stream.

AVIStreamPrevSample(

Parameters
pavi
Handle of 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)

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