2010/1/26 Веселин <m...@vpetkov.com>: > I want to display captured frames from a webcam. I am using > video4linux2, v4l2 bindings for python and ctypes. > > I am also using Tk. In the main loop of my v4l2 app, after Q_BUF, > STREAM_ON, DQ_BUF I call method that looks something like that: > > > window = Tkinter.Tk() > image = ImageTk.PhotoImage(pixelfmt, (320, 240)) > label = Tkinter.Label(window, image=image) > label.pack() > > im = Image.frombuffer(pixelfmt, (320, 240), > ctypes.string_at(buf.userptr, buf.length), 'raw', pixelfmt, 0, 1) > > image.paste(im) > window.update() > > Now, how is buf.userptr supposed to look like? A ctypes.c_void_p? > In my case buf.userptr is long. Something like 170692608. > > I don't know how addresses in python should look like.
Did you figure this out? I think this is more of a ctypes question than a PIL question, so you might want to repost this to a more general Python forum, such as python-list at python.org (but feel free to follow up here with the solution if you have it). Cheers /F _______________________________________________ Image-SIG maillist - Image-SIG@python.org http://mail.python.org/mailman/listinfo/image-sig