AVIStreamSampleSize

The AVIStreamRelease macro determines the size of the buffer needed to store one sample of information from a stream. The size corresponds to the sample at the position specified by lPos.

AVIStreamSampleSize(

pavi,
lPos,
plSize
);

Parameters

pavi

Handle of an open stream.

lPos

Position of a sample in the stream.

plSize

Address to contain the buffer size.

Return Values

Returns zero if successful or an error otherwise. Possible error values include the following:

AVIERR_BUFFERTOOSMALL	The buffer size was smaller than a single sample of data.
AVIERR_MEMORY	There was not enough memory to complete the read operation.
AVIERR_FILEREAD	A disk error occurred while reading the file.

Remarks

The AVIStreamSampleSize macro is defined as follows:

#define AVIStreamSampleSize(pavi, lPos, plSize) \

AVIStreamRead(pavi, lPos, 1, NULL, 0, plSize, NULL)

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