I make one QT component project of one media codec.
How can set the XCode2.2 to debug it .
First, unless you are constrained to version 2.2, I'd strongly
recommend upgrading to 2.3.
Next, you need a "runner app" ... FiendishThings will do, as will
qt_tools, both of which are available in the QuickTime sample code.
Even the ElectricImageExampleCodec has a test runner.
Then, in XCode, in the "project menu" set the custom executable to
your "runner app" and then you can trace through your component via
Or, in gdb you can attach to the "runner app" which calls your
Or you can put printf commands (crude, I know) in your component and
they will appear in the XCode console.
So there are a number of approaches.
I'd also love to hear what other people to do debug components.
(the only Develop article on this is over 10 years old).
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Set a man on fire, he stays warm for the rest of his life
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