Does QT Phonon support video playback at different speeds? Can I play back at half speed or double speed? If not, is it known to be coming in a future version or will I have to hack it in myself?
Or, are there any alternative cross platform video playback libraries I should check out instead?
I seem to recall that last time I looked into this, Phonon supported being able to play back at different speeds, however it was unable to change the speed of the audio. So, it could still be useful to you, depending on your requirements.