Switching between normal and fullscreen video on 5800 causes video display to freeze

Device: 5800
Firmware version: 32.0.018 RND
Qt built from: qt-s60-public/4.6 da424a2e
Platform: ARMV5 UREL
Compiler used: ARM/Thumb C/C++ Compiler, RVCT2.2 [Build 686]
Application: Mediaplayer demo
Launched from: App launcher

Steps to reproduce:
1. Launch qmediaplayer
2. Open a video clip
[Video playback starts as expected]
3. Enable full-screen by double-tapping on the video
[Video goes to full-screen as expected]
4. Disable full-screen by double-tapping on the video
[Video goes to non-full-screen, but video remains frozen on one frame]

Video frame updates can be restored either by re-enabling full-screen video, or by switching orientation.

Note that this bug is not seen in the 4.6.3 release.