Apple

Hi,

I am trying to do a conversion using AudioConverterFillComplexBuffer but am getting ‘insz’ errors.

Integer -> Float

Stereo -> Mono

44100 -> 16000

The code worked with everything except for sample rate conversion, as soon as I added that I began getting the errors.

Below is my two format descriptions:

———————

/* Setup input format */

    size_t bytesPerSample = sizeof (AudioUnitSampleType);

    inputStreamFormat.mFormatID          = kAudioFormatLinearPCM;

    inputStreamFormat.mFormatFlags       = kAudioFormatFlagsAudioUnitCanonical;

    inputStreamFormat.mBytesPerPacket    = bytesPerSample;

    inputStreamFormat.mFramesPerPacket   = 1;

    inputStreamFormat.mBytesPerFrame     = bytesPerSample;

    inputStreamFormat.mChannelsPerFrame  = 2;

    inputStreamFormat.mBitsPerChannel    = 8 * bytesPerSample;

    inputStreamFormat.mSampleRate        = 44100;

    /* Setup float format */

    floatAudioDescription.mFormatID          = kAudioFormatLinearPCM;

    floatAudioDescription.mFormatFlags       = kAudioFormatFlagIsFloat | kAudioFormatFlagIsPacked | kAudioFormatFlagIsNonInterleaved;

    floatAudioDescription.mChannelsPerFrame  = stereo() ? 2 : 1;

    floatAudioDescription.mBytesPerPacket    = sizeof(float);

    floatAudioDescription.mFramesPerPacket   = 1;

    floatAudioDescription.mBytesPerFrame     = sizeof(float);

    floatAudioDescription.mBitsPerChannel    = 8 * sizeof(float);

    floatAudioDescription.mSampleRate        = samplerate();

———————

Can anyone see what I am doing wrong?

Regards,

Anthony

References:
	>SampleRate Conversion (From: Anthony Myatt <email@hidden>)
	>Re: SampleRate Conversion (From: Anthony Myatt <email@hidden>)