A silly thought, but is /dev/video a directory and /dev/video0 the device you want?
Ottavio Campana wrote:
On Thu, Mar 27, 2003 at 02:12:54PM -0700, Steve Miller wrote:
MAP_SHARED requires the file to be writeable, you've opened it as read only.
changing the source to:
fd=open("/dev/video",O_RDWR);
doesn't make it works. I always have got the same problem....
When I run it I get "mmap: Invalid argument" and then segfault. What is invalid for mmap?
Thank you.
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