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convert ExtAudioFileRef type to AudioFileID type in iOS

I've been using ExtAudioFile Services and I want to use an AudioFile Service which requires开发者_C百科 an AudioFileID parameter. This parameter corresponds to ExtAudioFileRef used in ExtAudioFile Services. How do I convert from ExtAudioFileRef type to AudioFileID type?


I know this one is old and answered, but I just noticed it and thought I'll leave a correct answer here for future reference

AudioFileID audioFile;
UInt32 dataSize = sizeof(AudioFileID);
ExtAudioFileGetProperty(extAudioFile, kExtAudioFileProperty_AudioFile, &dataSize, &audioFile);


Just typecast it, it works fine! AudioFileID audiofile = (AudioFileID)AudioExt where AudioExt is of type ExtAudioFileRef

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