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optic
Member
Heya,
Quite a simple question. Is there a way I can pause a sound effect while using CDAudioManager and it's internal CDSoundEngine.
The issue I have is that I have a 3 second sound file which is a countdown "beeps" sound. It plays at the remaining 3 seconds of a level's time. The problem I have is if the player pauses I need to pause it while the pause layer is up then continue once it goes.
Any ideas ?
Cheers
Steve Oldmeadow
Administrator
You can use a CDSoundSource for sounds that you want to pause. There has been a bit of discussion on this in the past.
optic
Member
I've spent a while now since my first post attempting to work out a way to do this. I've got my head much better around CocosDension and have got most bits working, except my pausing still :/
When I want to pause all sound effects when the Pause menu is displayed I do this:
-(void) pauseAllSounds {
for (int i = 0; i < [[[CDAudioManager sharedManager] soundEngine] sourceTotal]; i++) {
if ( [[[[CDAudioManager sharedManager] soundEngine] soundSourceForSound:i sourceGroupId:0] isPlaying] ) {
[[[[CDAudioManager sharedManager] soundEngine] soundSourceForSound:i sourceGroupId:0] pause];
}
}
}The main problem I have with this specifically is that the isPlaying method seems to always only return false retrieving either AL_INITIAL or AL_STOPPED with alGetSourcei despite when a sound effect is clearly playing :/
My resume sound effects method should then do this:
-(void) resumeAllSounds {
for (int i = 0; i < [[[CDAudioManager sharedManager] soundEngine] sourceTotal]; i++) {
if ([[[CDAudioManager sharedManager] soundEngine] soundSourceForSound:i sourceGroupId:0].isPaused) {
[[[[CDAudioManager sharedManager] soundEngine] soundSourceForSound:i sourceGroupId:0] play];
}
}
}(the isPaused method is one I added to CDSoundSource, it is identical to isPlaying except it checks for AL_PAUSED)
This obviously doesn't work as none of the sounds become paused in the first place :/.
All helps is really! appreciated.
Cheers
optic
Member
I've now created an entirely new project just to solve this issue and created a bare-bones example and it Still doesn't work:
[[[CDAudioManager sharedManager] soundEngine] loadBuffer:0 filePath:@"ParTimeCountdown.aif"];
[[[CDAudioManager sharedManager] soundEngine] playSound:0 sourceGroupId:0 pitch:1.0 pan:0.0 gain:1.0 loop:TRUE];
[self runAction:[CCSequence actions:[CCDelayTime actionWithDuration:1.5], [CCCallBlock actionWithBlock:^{
for (int i = 0; i < [[[CDAudioManager sharedManager] soundEngine] sourceTotal]; i++) {
//if ([[[[CDAudioManager sharedManager] soundEngine] soundSourceForSound:i sourceGroupId:0]isPlaying]) {
[[[[CDAudioManager sharedManager] soundEngine] soundSourceForSound:i sourceGroupId:0] pause];
//}
}
}], [CCDelayTime actionWithDuration:2], [CCCallBlock actionWithBlock:^{
for (int i = 0; i < [[[CDAudioManager sharedManager] soundEngine] sourceTotal]; i++) {
//if ([[[[CDAudioManager sharedManager] soundEngine] soundSourceForSound:i sourceGroupId:0] isPaused]) {
[[[[CDAudioManager sharedManager] soundEngine] soundSourceForSound:i sourceGroupId:0] play];
//}
}
}], nil]];This is just in the onEnter of a brand new Cocos2D project within XCode.
Leaving the 2 If statements commented should just pause everything and then resume everything again but it doesn't.
And uncommenting the if statements should make it only pause playing sounds then unpause ones which are paused but this doesn't work either.
As in my post above the isPaused method is one identical to isPlaying that I've added that checks for AL_PAUSED as opposed to AL_PLAYING.
Steve Oldmeadow
Administrator
CDSoundSource doesn't work the way you are assuming. Look at the FadeToGrey example. For example, you do not call playSound to play the sound attached to a CDSoundSource, you must call the play method of the CDSoundSource.
If you still can't work it out try ObjectAL http://kstenerud.github.com/ObjectAL-for-iPhone/
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