Itseez/opencv — pull request #866 by MadEgg (2013-05-04 15:21:00+00:00)
Title:  add (optional) index argument to RetrieveFrame method

As requested in http://code.opencv.org/issues/1459, I hereby submit a pull request to expose the RetrieveFrame method to Python with the optional index argument to allow selection of different image sources from the same videosource.