I've written a Movie Export Component. Is there a way to tell
QuickTime
NOT to use it as the Default Component returned by
OpenDefaultComponent?
You can influence the search order the Component Manager uses during an
OpenDefaultComponent call by using SetDefaultComponent. See if that
does the
trick for you.
Note that SetDefaultComponent changes the search order for all apps.
Does it for all apps? Then I didn't get something.
To explain a little more of the problem:
My Movie Export Component exports QuickTime Movies as does the Apple
QuickTime Movie Exporter.
The reason I wrote an own Movie Exporter for QuickTime Movies was
because I didn't find a way to handle B-Frames in a Codec Component.
So I extended the Interface of my Codec with some more routines which
obviously the Apple Movie Exporter doesn't know
=> I wrote a Movie Exporter which knew about the extended interface of
my Image Codec.
Now back to real problem. My Movie Exporter seems to be before the One
from Apple in search order. Now the Export/Share Command of iMovie does
no more work because iMovie seems to call OpenADefaultComponent which
returns my one instead of the one from Apple.
If I did understand the answer above correctly, executing a program as
follows would change the search order of the Component Manager.
i.e. iMovie should no more open my component? But this is not the case.
Did I something wrong?
// Suche die default komponente von Apple
desc.componentType = MovieExportType;
desc.componentSubType = kQTFileTypeMovie;
desc.componentManufacturer = 'appl';
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
appleMovieExporter = FindNextComponent(NULL, &desc);
if(appleMovieExporter) {
printf("Found Apple Movie Exporter\n");
status = SetDefaultComponent(appleMovieExporter,
defaultComponentAnyManufacturer | defaultComponentAnyFlags);
if(status != noErr)
fprintf(stderr, "Error setting default
Component\n");
}
return 0;
}
And assumed it would work, where should the code be executed: in the
component register function?
--
Thanks in Advance
Christoph
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