;*********************************************************************
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; OM-SoX, (c) 2011-2013 Marlon Schumacher (CIRMMT/McGill University) *
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; http://sourceforge.net/projects/omsox/ *
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; *
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; Multichannel Audio Manipulation and Functional Batch Processing. *
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; DSP based on SoX - (c) C.Bagwell and Contributors *
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; http://sox.sourceforge.net/ *
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;*********************************************************************
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;
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;This program is free software; you can redistribute it and/or
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;modify it under the terms of the GNU General Public License
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;as published by the Free Software Foundation; either version 2
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;of the License, or (at your option) any later version.
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;
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;See file LICENSE for further informations on licensing terms.
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;
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;This program is distributed in the hope that it will be useful,
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;but WITHOUT ANY WARRANTY; without even the implied warranty of
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;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;GNU General Public License for more details.
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;
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;You should have received a copy of the GNU General Public License
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;along with this program; if not, write to the Free Software
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;Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,10 USA.
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;
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;Authors: M. Schumacher
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(in-package :om)
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; ==== SOX-SPLIT ========================
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; might become a subclass of sox-remix
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(defclass! sox-split (sox-input)
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(
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(gains :accessor gains :initarg :gains :initform nil :documentation *sox-gain-doc*)
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(channels :accessor channels :initarg :channels :initform nil :documentation *sox-channel-matrix-doc*)
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)
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(:icon 17)
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(:documentation "Split multichannel audio into individual channels.
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<channels> optionally allows to specify combinations and order of input-channels (default: all channels in ascending order).")
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)
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; redundancy between sox-remix and sox-split here?
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(defmethod initialize-instance :after ((self sox-split) &rest args)
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(declare (ignore args))
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(sox-init-gains self)
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(when (sound self)
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(let* ((thechannels (or (channels self) (arithm-ser 1 (sox-sound-channels (sound self)) 1)))
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;check whether the gains are taken care of in sox-input
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(newgains (if (equal (length (gains self)) (length thechannels))
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(gains self)
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(repeat-n (gains self) (length thechannels))))
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)
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(setf (channels self) thechannels)
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(setf (gains self) (flat newgains))
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))
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(sox-init-sound self 'atom)
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)
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; (when (> (list-max channels) (sox-sound-channels (sound self)))
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; (om-msg-beep "Channels not existent in input source."))
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