On 31-Dec-06, at 10:45 PM, Giovanni wrote:
That brings me to the next question, does rb multi threading
capability useful for multimedia project?
I am evaluating rb for a few multimedia projects.
The best way to handle multimedia in RB is to avoid using the system
UI as much as possible. User interaction with native widgets can
block the rest of the application - even threads. RB threads are
cooperative so you never actually get two things running at the same
time, every thread just gets its time slice until the scheduler calls
the next thread. They're still useful for background tasks or running
animations however, but timers will usually be good enough (and
easier to manage) for typical 2D multimedia.
I've done several CD-ROM projects in RB and have always drawn
everything in canvases (or directly to the Window) using my own
button/slider/listbox (etc.) classes. User interaction with a canvas
doesn't block threads or timers so any animations that might be
running simply keep running. You usually want your own custom UI for
multimedia projects so this approach works out nicely.
HTH!
Frank.
<http://developer.chaoticbox.com/>
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