QTW 31 - Crashes with QTW 2.0

Technical Q&As


QTW 31 - Crashes with QTW 2.0 (1-July-95)


Q Our game in development on QuickTime 2.0 for Windows has been causing problems. When we used Microsoft C++, QuickTime crashed the system, so we switched to Visual Basic. Now this is what happens:

A white box the size of the movie flashes on the screen before it plays the movie, a black pixel line flows all the way around the edge of the movie area, and the performance when playing the movie is less than desirable.

A You need to get QuickTime for Windows 2.0.2 and go back to Microsoft Visual C++. QuickTime for Windows 2.0 caused major problems for some developers. QuickTime for Windows 2.0.1 fixed these problems, and QuickTime for Windows 2.0.2 is even better.

With regard to the symptoms you describe, these are the changes in the newer versions:

* The white flash has changed to transparent (QuickTime is initializing a window in the video buffer).

* No black pixel lines flow around the movie area any longer.

* In many cases, performance has improved, but this is very hardware-dependent. An application must now preroll a movie before playing it. QTW 2.0.x no longer does this automatically.

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