Check out:
http://techweb.rfa.org/staff/bill/channelchanger.c vFrq should be an unsigned long, not a struct, from what I see. Brian W Grasby wrote: > Hello, > I'm running kernel 2.4.7-10 with bttv2 (20020219) and trying to write a > capture routine for a project. My problem is that the following ioctls > fail: > VIDIOC_G_FREQUENCY > VIDIOC_S_FREQUENCY > > When i try to change the frequency of the tuner. They both return "Invalid > Argument". I am coding like this: > > ioctl(*fd, VIDIOC_G_FREQUENCY, &vFrq) > > where vFrq is a struct v4l2_frequency and i am using vFrq.input = 0 (i > checked that it has a tuner attached) and *fd is my /dev/video0 - opened > fine. The error code specifies that the problem is with the request or > third argument - does anyone have an idea as to which/why the argument is > invalid? > > Thanks > -Brian > > > > _______________________________________________ > Video4linux-list mailing list > [EMAIL PROTECTED] > https://listman.redhat.com/mailman/listinfo/video4linux-list -- Bill Eldridge Radio Free Asia [EMAIL PROTECTED] _______________________________________________ Video4linux-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/video4linux-list
