1#import <CoreMedia/CoreMedia.h> 2 3int main(int argc, const char **argv) 4{ 5 @autoreleasepool 6 { 7 CMTime t1 = CMTimeMake(1, 2); 8 CMTime t2 = CMTimeMake(1, 3); 9 CMTime t3 = CMTimeMake(1, 10); 10 CMTime t4 = CMTimeMake(10, 1); 11 CMTime t5 = CMTimeMake(10, 1); 12 t5.flags = kCMTimeFlags_PositiveInfinity; 13 CMTime t6 = CMTimeMake(10, 1); 14 t6.flags = kCMTimeFlags_NegativeInfinity; 15 CMTime t7 = CMTimeMake(10, 1); 16 t7.flags = kCMTimeFlags_Indefinite; 17 18 CMTimeShow(t1); // break here 19 CMTimeShow(t2); 20 CMTimeShow(t3); 21 CMTimeShow(t4); 22 CMTimeShow(t5); 23 CMTimeShow(t6); 24 CMTimeShow(t7); 25 } 26 return 0; 27} 28