> I am a bit confused about the different options that I have for getting the > data from the driver: select() read() and mmap() (combined with > VIDIOCMCAPTURE and VIDIOSYNC). select is waiting for data, not fetching it. mmap lets you directly share the DMA ring buffer the card is using (so its faster). read() tends to be a lot easier to work with and when you have to copy the frame anyway no difference performance wise
