ICDecompressExBegin
The ICDecompressExBegin
function prepares a decompressor for decompressing data.
DWORD ICDecompressExBegin(
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HIC hic, |
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DWORD dwFlags, |
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LPBITMAPINFOHEADER lpbiSrc, |
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LPVOID lpSrc, |
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int xSrc, |
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int ySrc, |
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int dxSrc, |
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int dySrc, |
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LPBITMAPINFOHEADER
lpbiDst, |
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LPVOID lpDst, |
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int xDst, |
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int yDst, |
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int dxDst, |
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int dyDst |
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); |
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Parameters
hic
Handle of the
decompressor to use.
dwFlags
Decompression
flags. The following values are defined:
ICDECOMPRESS_HURRYUP
Tries to
decompress at a faster rate. When an application uses this flag, the driver
should buffer the decompressed data but not draw the image.
ICDECOMPRESS_NOTKEYFRAME
Current frame
is not a key frame.
ICDECOMPRESS_NULLFRAME
Current frame
does not contain data and the decompressed image should be left the same.
ICDECOMPRESS_PREROLL
Current frame
precedes the point in the movie where playback starts and, therefore, will not
be drawn.
ICDECOMPRESS_UPDATE
Screen is
being updated or refreshed.
lpbiSrc
Address of a BITMAPINFOHEADER structure containing the
format of the compressed data.
lpSrc
Address of
the input data.
xSrc,
ySrc
The x- and
y-coordinates of the source rectangle for the DIB specified by lpbiSrc.
dxSrc,
dySrc
Width and
height of the source rectangle.
lpbiDst
Address of a BITMAPINFOHEADER
structure containing the output format.
lpDst
Address of a
buffer that is large enough to contain the decompressed data.
xDst,
yDst
The x- and
y-coordinates of the destination rectangle for the DIB specified by lpbiDst.
dxDst,
dyDst
Width and
height of the destination rectangle.
Return Values
Returns
ICERR_OK if successful or an error otherwise.
See Also