Re: [linux-audio-dev] libsndfile and WAVEX

From: Erik de Castro Lopo <mle+la@email-addr-hidden-nerd.com>
Date: Fri Apr 14 2006 - 15:14:27 EEST

Alfons Adriaensen wrote:

> You obviously need access to the channelmask when reading or creating
> multichannel files.
>
> As to the GUID, there are e.g. special GUIDs for Ambisonics files,
> see <http://dream.cs.bath.ac.uk/researchdev/wave-ex/bformat.html>.
>
> BTW I don't understand the relation between the definition of
> the GUIDs on that page
>
> SUBTYPE_AMBISONIC_B_FORMAT_PCM {00000001-0721-11d3-8644-C8C1CA000000}
> SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT {00000003-0721-11d3-8644-C8C1CA000000}
>
> and the example representation of the first one further down:
>
> {0x00000001,0x0000,0x0010, {0x80,0x00, 0x00,0xaa,0x00,0x38, 0x9b, 0x71}}
>
> Does it make sense to you ?

Sorry, no it doesn't. Thats why I suggested joining the libsndfile-devel
list.

I didn't implement the WAVEX stuff. The guy who did is on the libsndfile-devel
list but not on this one.

Erik

-- 
+-----------------------------------------------------------+
  Erik de Castro Lopo
+-----------------------------------------------------------+
"I invented the term Object-Oriented, and I can tell you I
did not have C++ in mind." -- Alan Kay
Received on Fri Apr 14 20:15:03 2006

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