On 6/12/07, Bill Schottstaedt <[EMAIL PROTECTED]> wrote:
> the LADSPA plugin requires 4 channels. So when I read a 3 channel
> file, I need to create a fourth, empty (no signal) channel.
Doesn't apply-ladspa take a list of readers?
apparently, yes.
(apply-ladspa reader (plugin-library plugin-type [param1 [param2
...]]) samples origin)
Perhaps an easy fix would
be to allow #f (as a null-reader) in that list, then apply_ladspa (in C)
would send a stream of 0's in each channel that had no reader -- this
is a one line change, if it seems like the right thing.
That would seem to work for my case scenario (I have confirmed with
the plugin author).
Whether that is a correct LADSPA API interpretation, I dont know...
I've looked briefly through the LADSPA developers documentation, but
cant see anything of note:
http://gdam.ffem.org/ladspa-doc/ladspa.html......... need a LADSPA
guru.
Etienne
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