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AudioFile problems with DVI ADPCM files

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AudioFile problems with DVI ADPCM files

Subject: AudioFile problems with DVI ADPCM files
From: "Isaac Wankerl" <email@hidden>
Date: Wed, 7 Jun 2006 12:11:21 -0500

Is it possible to convert DVI ADPCM wav files to kAudioFormatLinearPCM
using AudioFile and AudioConverter?  Whenever I try to get the data
format of the input file like so:

	CAStreamBasicDescription inputFormat;
	UInt32 size = sizeof(inputFormat);
	err = AudioFileGetProperty(infile, kAudioFilePropertyDataFormat,
		&size, &inputFormat);
	XThrowIfError (err, "AudioFileGetProperty kAudioFilePropertyDataFormat");

noErr is returned but inputFormat is not filled in at all.  Is this a
bug or am I (and the CoreAudio ConvertFile example) missing something
else in the setup?

Thanks,
Isaac
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