April 2024 - This site, and Kamaelia are being updated. There is significant work needed, and PRs are welcome.
For examples and more explanations, see the module level docs.
VideoOverlay() -> new VideoOverlay component
Displays a pygame video overlay using the Pygame Display service
component. The overlay is sized and configured by the first frame of
(uncompressed) video data is receives.
NB: Currently, the only supported pixel format is "YUV420_planar"
Inboxes
- control : Shutdown signalling
- inbox : Receives uncompressed video frames
Outboxes
- outbox : NOT USED
- signal : Shutdown signalling
- yuvdata : Sending yuv video data to overlay display
service
- displayctrl : Sending requests to the Pygame
Display service
Methods defined here
Warning!
You should be using the inbox/outbox interface, not these methods
(except construction). This documentation is designed as a roadmap as to
their functionalilty for maintainers and new component developers.
__init__(self, **argd)
x.__init__(...) initializes x; see x.__class__.__doc__ for
signature
Returns True if frame size or pixel format is new/different for this
frame.
main(self)
Main loop.
newOverlay(self, frame)
Request an overlay to suit the supplied frame of data
waitBox(self, boxname)
Generator. yields 1 until data ready on the named inbox.
Feedback
Got a problem with the documentation? Something unclear that could be
clearer? Want to help improve it? Constructive criticism is very welcome
- especially if you can suggest a better rewording!
Please leave you feedback here in reply to the documentation thread in the
Kamaelia blog.
-- Automatic documentation generator, 05 Jun 2009 at 03:01:38
UTC/GMT
