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Editorial Team
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Asked: 2026-05-26T11:53:06+00:00

As I previously found here . If you start running an AVAssetReader while using

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As I previously found here.

If you start running an AVAssetReader while using a Remote I/O callback to play audio, starting the AVAssetReader will block the Remote I/O callback unless you allow iPod mixing with…

UInt32 audioCategory = kAudioSessionCategory_MediaPlayback;
AudioSessionSetProperty(kAudioSessionProperty_AudioCategory,sizeof(audioCategory),&audioCategory);

AudioSessionSetProperty(kAudioSessionProperty_OverrideCategoryMixWithOthers, sizeof (UInt32), &(UInt32) {1});

However I am finding that this prevents the use of Audio Remote Control calls as setup here.

So…

  • I need “MixWithOthers” ON to use an AVAssetReader
  • I need “MixWithOthers” OFF to use Audio Remote Controls

Does anyone know of how I can setup my AudioSession so I can use both?

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1 Answer

  1. Editorial Team

    This works now in iOS 5. The correct handling is to leave MixWithOthers OFF. The AVAssetReader will no longer stop the callbacks of your audio playback.

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