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 to 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)
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