"David J. Topper" <topper@xxxxxxxxxxxx> writes: > vidtun.mode = VIDEO_MODE_NTSC; > if (-1== ioctl(cam, VIDIOCSTUNER,&vidtun)) { > perror ("ioctl VIDIOCSTUNER"); > exit (-1); > } use video_channel->norm + VIDIOCSCHAN instead. tv norm in struct video_tuner is a design bug (exactly because it makes sense to switch tv norms even on hardware which hasn't a tuner) and only there for historical reasons. Gerd -- sigfault