Re: Re(2): Quickcam device driver for Linux
On Fri, 13 Jun 1997, Mike Sharkey wrote:
> In fact, it would generally be a bad idea to do image conversion within the
> kernel. Kernel drivers should generally be short and sweet, just do the
> I/O and get out. Let the user space appsl do the high level stuff, in user
> space, you have way more resource to play with, and you don't have to worry
> about corrupting the kernel and destabalizing the entire system with buggy
> code, etc...
> Why not just write a user space app with all the features you mention that
> just polls the existing QuickCam driver and spews out the appropriately
> converted images?
IMHO kernel driver is unnecessary -- quickcam is a polling-only device
with no IRQ or DMA support, and access to it requires rather large buffers
that should be filled fast by doing long polling loop.