rename movies to video and include capture

Author: monkstone

samples/processing_app/library/movie/README renamed to samples/processing_app/library/video/README

@@ -0,0 +1,34 @@
+load_library :video
+
+include_package 'processing.video'
+
+attr_reader :cam
+
+def setup
+  size(960, 544) 
+  cameras = Capture.list 
+  fail 'There are no cameras available for capture.' if (cameras.length == 0)
+  p 'Matching cameras available:'
+  size_pattern = Regexp.new(format('%dx%d', width, height))
+  select = cameras.grep size_pattern # filter available cameras
+  select.map { |cam| p cam }
+  fail 'There are no matching cameras.' if (select.length == 0)
+  start_capture(select[0])
+end
+
+def start_capture(cam_string)
+  # The camera can be initialized directly using an
+  # element from the array returned by list:
+  @cam = Capture.new(self, cam_string)
+  p format('Using camera %s', cam_string)
+  cam.start
+end
+
+def draw
+  return unless (cam.available == true)
+  cam.read
+  image(cam, 0, 0)
+  # The following does the same, and is faster when just drawing the image
+  # without any additional resizing, transformations, or tint.
+  # set(0, 0, cam)
+end