Delay on first playsound (Real Studio network user group Mailinglist archive)
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| Delay on first playsound |
| Date: 13.12.02 22:47 (Fri, 13 Dec 2002 22:47:18 +0100) |
| From: Andrea Suraci |
|
Hello all,
I've noticed some delay with the first playsound in my application: everything in my application just stops, the cursor changes to the beachball and after a second or two finally the sound plays. Is it some kind of initialization routine (as it only happens once per session)? I guess it is not related to QT as those are sys7 sounds... I am using 4.5.2 on OS X 10.2. Andrea Suraci --- "Life is what happens to you while you're busy making other plans" - John Lennon --- A searchable archive of this list is available at: <http://dbserver.realsoftware.com/KBDB/search.php> Unsubscribe: <mailto:<email address removed>> Subscribe to the digest: <mailto:<email address removed>> |
| Re: Delay on first playsound |
| Date: 13.12.02 23:13 (Fri, 13 Dec 2002 23:13:41 +0100) |
| From: Frank Bitterlich |
|
Probably your app loads the sound from the resource fork; if your HD
went to sleep before, it has to spin up, that could cause a further delay. See the thread about the "Slow Tips Window", the RB IDE appears top have the same problem ;) Cheers, Frank+++ Andrea Suraci wrote: > > Hello all, > > I've noticed some delay with the first playsound in my application: > everything in my application just stops, the cursor changes to the > beachball and after a second or two finally the sound plays. Is it some > kind of initialization routine (as it only happens once per session)? I > guess it is not related to QT as those are sys7 sounds... |
| Re: Delay on first playsound |
| Date: 14.12.02 00:30 (Sat, 14 Dec 2002 00:30:39 +0100) |
| From: Andrea Suraci |
|
Thanks Frank, I've just read the thread about the tips window and I
guess this must be the same problem, and since it appears in the IDE itself it's probably a good subject for a bug report. Anyway, I'd be glad to be wrong on this. Cheers, -Andrea Suraci On Friday, December 13, 2002, at 11:13 pm, Frank Bitterlich wrote: > Probably your app loads the sound from the resource fork; if your HD > went to sleep before, it has to spin up, that could cause a further > delay. See the thread about the "Slow Tips Window", the RB IDE appears > top have the same problem ;) > > Cheers, > Frank+++ > > Andrea Suraci wrote: >> >> Hello all, >> >> I've noticed some delay with the first playsound in my application: >> everything in my application just stops, the cursor changes to the >> beachball and after a second or two finally the sound plays. Is it >> some >> kind of initialization routine (as it only happens once per session)? >> I >> guess it is not related to QT as those are sys7 sounds... > --- "Life is what happens to you while you're busy making other plans" - John Lennon --- A searchable archive of this list is available at: <http://dbserver.realsoftware.com/KBDB/search.php> Unsubscribe: <mailto:<email address removed>> Subscribe to the digest: <mailto:<email address removed>> |
| Re: Delay on first playsound |
| Date: 14.12.02 00:44 (Fri, 13 Dec 2002 15:44:42 -0800) |
| From: Joseph J. Strout |
|
At 12:30 AM +0100 12/14/02, Andrea Suraci wrote:
>Thanks Frank, I've just read the thread about the tips window and I >guess this must be the same problem, and since it appears in the IDE >itself it's probably a good subject for a bug report. I don't see what bug there is to report -- resources are loaded in a "lazy" fashion by the system, and unloaded (purged) too as the OS sees fit. It's just like virtual memory but on a smaller scale. Everything is working as it's intended to. Normally you don't see much hesitation when loading a sound, but of course if it has to spin up the hard drive then it will take longer. Not much we can do about that. But perhaps you could put in a feature request for some way to pre-load a sound (though I suspect you could already do this by setting the volume to 0 and playing it). Cheers, - Joe |
| Re: Delay on first playsound |
| Date: 14.12.02 01:24 (Sat, 14 Dec 2002 01:24:42 +0100) |
| From: Andrea Suraci |
|
On Saturday, December 14, 2002, at 12:44 am, Joseph J. Strout wrote: > I don't see what bug there is to report -- resources are loaded in a > "lazy" fashion by the system, and unloaded (purged) too as the OS sees > fit. It's just like virtual memory but on a smaller scale. Everything > is working as it's intended to. Normally you don't see much > hesitation when loading a sound, but of course if it has to spin up > the hard drive then it will take longer. Not much we can do about > that. > > But perhaps you could put in a feature request for some way to > pre-load a sound (though I suspect you could already do this by > setting the volume to 0 and playing it). Thank you Joe, really helpful. I'll find a way to pre-load a sound in my splash screen. Cheers, -Andrea Suraci --- A searchable archive of this list is available at: <http://dbserver.realsoftware.com/KBDB/search.php> Unsubscribe: <mailto:<email address removed>> Subscribe to the digest: <mailto:<email address removed>> |