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EnterMoviesOnThread(), MoviesTask(), and MP Task...

Hi there,

I want to gain some understandings on EnterMoviesOnThread() so I decided to write a test application.

I do the usual OpenMovieFile() and NewMovieFromFile() to get to a Movie.

Then I do the SetMoiveGWorld(), GetMovieBox(), OffsetRect(), SetMovieBox(), SizeWindow() etc.

All the code above is done from the main thread.

Here's the code right after SizeWindow() and that the part I am not sure:

1. StartMovie(gMovie);
2. MPCreateTask(moviesTaskMP, NULL, 0, NULL, NULL, NULL, 0, &gTaskID);

And the code in the moviesTaskMP() looks like this:

OSStatus moviesTaskProcMP(void *inParameter)
{
OSStatus error = EnterMoviesOnThread(0);

if (error == noErr) {
AttachMovieToCurrentThread(gMovie);

// StartMovie(gMovie);

while (true) {
MoviesTask(gMovie, 0);
}
ExitMoviesOnThread();
}
return error;
}

Everything works fine until I tried to move StartMovie(gMovie) from the main thread to the beginning of the MPTask, then I don't get any sound. Must I always need to start the movie from the main thread before I attach to a different MP task?

Thanks.

pete
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