CocosDenshion - MPMusicPlayerController - simultaneous playback

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CocosDenshion - MPMusicPlayerController - simultaneous playback

(7 posts) (3 voices)

Started 2 years ago by pitteri
Latest reply from Steve Oldmeadow

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pitteri
Member

Hi,

Is it possible to use CDSoundEngine and MPMusicPlayerController playback simultaneously? I need to play some sound effects, but when i get the user library to play in MPMusicPlayer, the sound effect played by CocosDenshion gets interrupted. I'm using CDSoundEngine because i need to control pitch and gain.

thanks,
Pitteri

Posted 2 years ago #
Steve Oldmeadow
Administrator

I haven't tried it but theoretically it should be possible, it would depend on how the audio session is set up and whether you are using the iPod music player or your application's music player.

I'll make a wild guess and say you are using the iPod music player and haven't set up CDSoundEngine with an audio session category? If so that explains the behavior and the solution should be to initialize CDSoundEngine with the kAudioSessionCategory_SoloAmbientSound audio session category.

Posted 2 years ago #
pitteri
Member

Thanks Steve, it works.

Do you know how to control MPMusicPlayerController volume in a independent way? When i use setVolume it controls the whole device volume.

Thanks,

pitteri

Posted 2 years ago #
Steve Oldmeadow
Administrator

No sorry, I don't know about the volume issue. I've only had a chance to have a quick look at the MPMusicPlayer stuff so far. What device and OS are you using? I know on my first gen iPod with 2.2.1 there is no distinction between the volume control for the system and the volume control for the music as it is implemented in software.

Posted 2 years ago #
pitteri
Member

Im using iphone 3G OS 3.0. A lot of people are having the same problem, but I think its not possible to control the volume for the music player.

thanks

Posted 2 years ago #
tehsuck
Member

Hmmm - wondering what is going on in our app. We're using SimpleAudioEngine and I've added methods to pause / resume the CDAudioManager. Our app initializes, and then uses MPMoviePlayerController to play a short intro video. I can't get it so that if the user is playing audio with their iPod it will continue after the movie is finished. It does fade out when the movie is started.

I tried hard coding in AudioSessionCategory_SoloAmbientSound when the SoundEngine is initialized, but it doesn't seem to work either?

Any ideas?

Thanks!

Posted 2 years ago #
Steve Oldmeadow
Administrator

@tehsuck - this thread is about playing music with MPMusicPlayer. Check the following thread for info about playing movies & CocosDenshion:

http://www.cocos2d-iphone.org/forum/topic/808#post-4799

Posted 2 years ago #

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