I'm playing with v4l using a hauppauge card (WinTV).
I'm bring up a TV display using the mmap interface. How do I know that
the tv window size that I requested is wrong? --By the tv window size,
I mean the size of the image written by video4linux to the mmaped buffer
when the:
ioctl(vf, VIDIOCMCAPTURE, &video_mmap); call is made.
Although the image is written, ioctl returns a -1 error, and the "errno"
value reports an error of (int) 16.
Jamie
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