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NF:vfw.capFileAlloc |
capFileAlloc macro (vfw.h) |
The capFileAlloc macro creates (preallocates) a capture file of a specified size. You can use this macro or explicitly send the WM_CAP_FILE_ALLOCATE message. |
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multimedia\capfilealloc.htm |
Multimedia |
579c5406-f44a-4ea2-9822-f09a890489fb |
12/05/2018 |
_win32_capFileAlloc, capFileAlloc, capFileAlloc macro [Windows Multimedia], multimedia.capfilealloc, vfw/capFileAlloc |
vfw.h |
Windows |
Windows 2000 Professional [desktop apps only] |
Windows 2000 Server [desktop apps only] |
Windows |
19H1 |
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The capFileAlloc macro creates (preallocates) a capture file of a specified size. You can use this macro or explicitly send the WM_CAP_FILE_ALLOCATE message.
Handle to a capture window.
Size, in bytes, to create the capture file.
You can improve streaming capture performance significantly by preallocating a capture file large enough to store an entire video clip and by defragmenting the capture file before capturing the clip.