v4l2 autodetect

[Leo.Fernando]

Hai,

thanks for the help

the card's user manual has the sudocode to detect width and height and
framerate. i wanted to uses this values and set the caps

s_ctl_struct.id = V4L2_CID_X_RES_DETECTED; 
ioctl(fd, VIDIOC_G_CTRL, &s_ctl_struct); 
printf("(vidWidth = %d)\n", s_ctl_struct.value); 

s_ctl_struct.id = V4L2_CID_Y_RES_DETECTED; 
ioctl(fd, VIDIOC_G_CTRL, &s_ctl_struct); 
printf("(vidHeight = %d)\n", s_ctl_struct.value); 

s_ctl_struct.id = V4L2_CID_FPS_DETECTED; 
ioctl(fd, VIDIOC_G_CTRL, &s_ctl_struct); 
printf("(vidFPS = %d)\n", s_ctl_struct.value);

thanks,
Leo



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