Rajen,

You can capture 720x240 (progressive 30 fps) on the Davinci by setting up
the V4L2 capture driver to throw away the even or odd frame interlaced
frame.

In the VIDIOC_S_FMT ioctl, change the v4l2_field struct member from
V4L2_FIELD_INTERLACED to either V4L2_FIELD_TOP or V4L2_FIELD_BOTTOM.

Here's the docs:

http://v4l2spec.bytesex.org/spec-single/v4l2.html#PIXFMT
http://v4l2spec.bytesex.org/spec-single/v4l2.html#VIDIOC-G-FMT
http://v4l2spec.bytesex.org/spec-single/v4l2.html#V4L2-FIELD

Hope that helps!
David

DAVID A. KONDRAD
Software Design Engineer
On-Q/Legrand
www.onqlegrand.com

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