Messages in this thread | | | From | (Alan Cox) | Subject | Re: malloc()? vmalloc()? kmalloc()? | Date | Tue, 4 Aug 1998 13:24:56 +0100 (BST) |
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> specific) and it would need a quite large frame buffer because after a > snapshot it should have the whole image at random access, if I read the > code for video4linux correctly...
If you support mmap(). You don't have to. If you support only read() then you may well copy the data off card to user space - for a DMA driven card mmap() is a very good idea
Alan
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