[directmusic] Re: Ciaran - you mentioned...

  • From: "Paul Stroud" <paul@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
  • To: <directmusic@xxxxxxxxxxxxx>
  • Date: Thu, 27 Feb 2003 13:40:07 -0000

Thanks Ciaran,

I'm just taking some precautionary measures and wanted to make sure I was on
the ball...


...I was (for once)

Cheers

Paul

> -----Original Message-----
> From: directmusic-bounce@xxxxxxxxxxxxx
> [mailto:directmusic-bounce@xxxxxxxxxxxxx]On Behalf Of Ciaran Walsh
> Sent: 27 February 2003 13:32
> To: directmusic@xxxxxxxxxxxxx
> Subject: [directmusic] Re: Ciaran - you mentioned...
>
>
>
> The problem we were having was never pinned down 100% to one particular
> thing, but band events certainly seemed to be contributing significantly.
> Our performance tests showed big CPU spikes each time a segment was
> triggered with a new band event, and somehow there was a cumulative effect
> which had a big impact on the overall frame rate.
>
> When we removed band events from the segments the spikes disappeared.
>
> We defined the band globally by having a segment play right at the start
> containing just a band event and triggering the first Primary Segment. As
> long as you don't recreate the audiopath or change any band settings you
> don't need to create the band again after that. I guess it's only
> a problem
> if you are re-assigning pchannels as you go along, but I've never
> needed to
> do that.
>
> Hope that helps,
> Ciaran
>
> -----Original Message-----
> From: directmusic-bounce@xxxxxxxxxxxxx
> [mailto:directmusic-bounce@xxxxxxxxxxxxx]On Behalf Of Paul Stroud
> Sent: 27 February 2003 10:59
> To: directmusic@xxxxxxxxxxxxx
> Subject: [directmusic] Ciaran - you mentioned...
>
>
>
> ..that band tracks were giving you and your dev team a few problems -
> causing some glitch?
>
> If you don't mind going over the same subject again; what was the problem?
> And how did you sort it?
>
> I seem to remember that you globally declared a band instead of use band
> tracks on each segment.  Is this right?  Did you need to play a Band track
> at least once?  Is this how you globally declare a band?
>
> Anyone else had problems with this sort of thing?
>
>
>
>


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