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Inconsistency with number of inputs and outputs returned by and AU Plugin
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Inconsistency with number of inputs and outputs returned by and AU Plugin


  • Subject: Inconsistency with number of inputs and outputs returned by and AU Plugin
  • From: "jorge castellanos" <email@hidden>
  • Date: Mon, 26 Feb 2007 18:42:02 -0600


I'm trying to write an AU that supports the following configurations:

"{{ 1, 1 }, { 1, 2 }, { 2, 2 }}" // Mono to mono, Mono to stereo and Stereo to stereo.

The hosts do show the previous mentioned options, but the AU isn't reporting the chosen configuration.

For example, if I "Instantiate" the Mono to Stereo version, the NumberChannels() of the Output and Input elements return "2" (and not 1 as input). Also, the callback "ProcessBufferLists(...)" is passing both input and output bufferLists with One buffer (and the buffer with a single channel).

Shouldn't I get One buffer for input and two for Output?
Shouldn't I get the correct number of Inputs and Outputs requested by the host when I ask at "Initialize()"?


I would really appreciate any help.

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