Re: AudioUnit FormatConverter
Re: AudioUnit FormatConverter
- Subject: Re: AudioUnit FormatConverter
- From: George Malayil-Philip <email@hidden>
- Date: Wed, 28 Dec 2005 15:24:39 -0500
- Thread-topic: AudioUnit FormatConverter
Thanks. But, by AUConverter, I am guessing you mean Audio Units of type
kAudioUnitType_FormatConverter and subtype kAudioUnitType_AUConverter. I am
trying to do the conversion on such a unit, and if the formats can be set on
these, why doesn't the conversion work? Thanks.
Regards
George M.P.
> The output scope format on AUHAL is not settable I think. It is
> always locked to the virtual format that the device is using through
> the HAL. This is not the case with AUConverter where both sides of
> the conversion can be changed.
>
> On Dec 28, 2005, at 2:09 AM, George Malayil-Philip wrote:
>
>> Hi,
>> With this audio unit hooked up as input to the outputUnit, I get
>> perfect
>> output. What's confusing me though is that if I replace
>> outputFormat with
>> inputFormat in the call to set converterUnit's output Stream
>> Format, I still
>> get perfect output?!? How is this? Does a AUConverter always output
>> BEF32
>> despite the settings on input and output formats? I am asking this
>> because
>> in another program I tried a similar thing, except in the reverse,
>> I set up
>> the converterUnit to convert BEF32 to BEI32, but it doesn't seem to
>> do that.
>> Is there any other call I need to set to make this work? Or can't
>> AUFormatConverter's be used this way?
>
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