MusicPlayer Preroll questions
MusicPlayer Preroll questions
- Subject: MusicPlayer Preroll questions
- From: Edwin Vane <email@hidden>
- Date: Fri, 6 Jan 2006 03:03:09 -0500
- Mail-followup-to: CoreAudio/Midi List <email@hidden>
Hi,
I've seen somewhere that MusicPlayerPreroll() prepares playback by
silently setting up MIDI state so notes in the middle of sounding are
sounding when playback resumes. Is this correct?
I'm having a strange issue that may relate to this. I play a music
sequence and stop it in the middle of playing a long note (a string
instrument so there's no decay). I stop the player *and* the AUGraph.
Then, when it comes time to preroll, I use SetTime to set the new
playback location, start the augraph, and call MusicPlayerPreroll().
Then I just start the MusicSequence again. Without fail, if the new
playback location is after all events, the long note continues to play
forever. However, if I don't do the MusicPlayerPreroll then the sound
doesn't continue. Am I setting something incorrectly?
--
Edwin Vane
MMath Candidate
Computer Graphics Lab
School of Computer Science
University of Waterloo
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