On Tue, Oct 20, 2015 at 9:23 AM, Hans Verkuil <hverkuil@xxxxxxxxx> wrote: > On 10/19/2015 10:26 PM, Ran Shalit wrote: >> Hello, >> >> When writing a device driver for capturing video coming from PCIe, >> does it need to be used as v4l device (video for linux) , ? > > Yes. If you don't then 1) you will never be able to upstream the driver, > 2) any application that wants to use your driver will need custom code to > talk to your driver, 3) it will be a lot more work to write the driver > since you can't use the V4L2 kernel frameworks it provides or ask for > help. > > Basically, by deciding to reinvent the wheel you're screwing over your > customers and yourself. > > Here is a nice PCI(e) template driver that you can use as your starting > point: Documentation/video4linux/v4l2-pci-skeleton.c > > Regards, > > Hans Hans, Many thanks for the detailed answer and the example ! Regards, Ran -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
