Hi: In your code, there is an import: import com.sun.j3d.audioengines.headspace.HeadspaceMixer;
Please tell me where to find headspace.HeadspaceMixer? Thank you! G.B. ----- Original Message ----- From: "Guy Carpenter" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, July 22, 2003 11:21 AM Subject: Re: [JAVA3D] Adding sound to a Java3d application > I have some sample code that works with point sounds, > but I think it should be fairly trivial to convert it to use > background sounds. > > Here's the smallest standalone sound sample I've > been able to create: > http://clearwater.com.au/java/J3DSound6.java > Maybe that will help get you going. > > Cheers, > Guy. > > > P.S. There are several problems with the sound implementation. Below > are a couple issues I have explored. I'm including them also because they > include links to more audio sample code. > > Bug 4787253 - Sound setEnable(false) not work > OS VERSION > Windows 2000 > > OVERVIEW > when using the Sound.setEnable(boolean) method to stop and restart an > audio clip, if the audio clip is enabled immediately after it is > disabled (or > completes), it continues playing after it is subsequently disabled. > > 1) sound.setEnable(true) // sound starts playing > (time passes) > 2) sound.setEnable(false) // sound stops playing > 3) sound.setEnable(true) // sound starts playing again > (time passes) > 4) sound.setEnable(false) // sound SHOULD stop but continues > > At (4) sound node enters some sort of invalid state where it > continues > to play the original sound, but can be re-enabled and it will play > a mix > of the continuing stream and a new stream, with both played out at > an accelerated rate. > > WORKAROUND > > Adding a sleep of >100ms between (2) and (3) above seems to > prevent the problem. > > REPRO > The sample code at > http://clearwater.com.au/java/J3DSound8.java > reproduces the problem. > > Note that there is an > if (false) { > wait() > } > block at the end of the program that enables the workaround. > > > > Bug 4787026 - Sound.setRelease(true) is not yet implement > OS VERSION > Windows 2000 > > TITLE > Sound.setRelease(true) doesn't work correctly with setLoop(>0) > > SUMMARY > Calling setRelease(true) followed by setEnable(false) should allow > the > audio to continue to the end of the current cycle. When the sound > in question > is set to loop, the sound continues to the end of the number of loops > specified in the most recent call to setLoop(), including calls > made after > the sound was enabled. The loop count should not affect the > behavior at all. > > For example if the sound was started with > sound.setLoop(INFINITE_LOOPS); > sound.setEnable(true); > and is currently in the middle of the second loop, the following > effects are observed: > > CASE 1) > sound.setRelease(true); > sound.setEnable(false); > > The sound continues looping infinitely insetad of stopping at the > end of the 2nd loop. > > CASE 2) > sound.setLoop(0); > sound.setRelease(true); > sound.setEnable(false); > > The sound stops immediately instead of stopping at the end of the > 2nd loop. > > CASE 3) > sound.setLoop(3); > sound.setRelease(true); > sound.setEnable(false); > > The sound continues to the end of the 4th pass instead of stopping > at the end of the 2nd pass. > > REPRO > > The code at http://www.clearwater.com.au/java/J3DSound10.java > exhibits cases 2 and 3. > > > > > > > At 05:45 PM 21/07/2003 -0700, Dr. Thomas wrote: > >I am trying to add background sound to a Java3d > >application. I have a *.wav file in my Java directory. > >My program creates a "BackgroundSound" object. It also > >creates a "MediaContainer" object and references to > >MediaContainer object to the sound. It sets the > >appropriate 'loop' values, 'initialgains', etc. I > >have found virtually nothing on this topic in Sun's > >online tutorial. I have examined the SIGGRAPH 98 Java > >3D technology course notes, available on line. > >However, using their example has been unavailing. I > >also consulted the book, "Java 3D API Jump-Start". It > >provides a brief sample of code. Using their example, > >my code compiles. However, it produces no sound. Does > >anyone have a relatively simple example of code that > >works? Conversely, can anyone refer me to literature > >that explains this topic. Thank you in advance. > > > >JT. > > > >=========================================================================== > >To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > >of the message "signoff JAVA3D-INTEREST". For general help, send email to > >[EMAIL PROTECTED] and include in the body of the message "help". > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff JAVA3D-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". > =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
