| commit | author | age | ||
| 92c40d | 1 | ;********************************************************************* |
| AN | 2 | ; OM-SoX, (c) 2011-2013 Marlon Schumacher (CIRMMT/McGill University) * |
| 3 | ; http://sourceforge.net/projects/omsox/ * | |
| 4 | ; * | |
| 5 | ; Multichannel Audio Manipulation and Functional Batch Processing. * | |
| 6 | ; DSP based on SoX - (c) C.Bagwell and Contributors * | |
| 7 | ; http://sox.sourceforge.net/ * | |
| 8 | ;********************************************************************* | |
| 9 | ; | |
| 10 | ;This program is free software; you can redistribute it and/or | |
| 11 | ;modify it under the terms of the GNU General Public License | |
| 12 | ;as published by the Free Software Foundation; either version 2 | |
| 13 | ;of the License, or (at your option) any later version. | |
| 14 | ; | |
| 15 | ;See file LICENSE for further informations on licensing terms. | |
| 16 | ; | |
| 17 | ;This program is distributed in the hope that it will be useful, | |
| 18 | ;but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 | ;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 | ;GNU General Public License for more details. | |
| 21 | ; | |
| 22 | ;You should have received a copy of the GNU General Public License | |
| 23 | ;along with this program; if not, write to the Free Software | |
| 24 | ;Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,10 USA. | |
| 25 | ; | |
| 26 | ;Authors: M. Schumacher | |
| 27 | ||
| 28 | (in-package :om) | |
| 29 | ||
| 30 | ; ==== SOX-REMIX ======================== | |
| 31 | ||
| 32 | (defclass! sox-remix (sox-input) | |
| 33 | ( | |
| 34 | (gain-matrix :accessor gain-matrix :initarg :gain-matrix :initform nil :documentation *sox-gain-matrix-doc*) | |
| 35 | (channel-matrix :accessor channel-matrix :initarg :channel-matrix :initform nil :documentation *sox-channel-matrix-doc*) | |
| 36 | ) | |
| 37 | (:icon 19) | |
| 38 | (:documentation "Select and mix input audio channels into output audio channels. | |
| 39 | Each output channel is specified, in turn, by a given a list of contributing input channels and gain values. | |
| 40 | ||
| 41 | NB: this input class represents a mixing-matrix which allows for arbitrary combinations of input and output channels; it should not be confused with sox-mix (where multiple audio inputs are mixed together.") | |
| 42 | ) | |
| 43 | ||
| 44 | ; consider for the editor to have out-channels as rows, instead of columns (like in the description of mat-trans) | |
| 45 | ||
| 46 | (defmethod initialize-instance :after ((self sox-remix) &rest args) | |
| 47 | (when (sound self) | |
| 48 | (if (consp (sound self)) | |
| 49 | (om-beep-msg "sox-remix expects a single sound (not a list)") | |
| 50 | ||
| 51 | (let* ((thesound (sound self)) | |
| 52 | (thevolume (if (soundp thesound) (vol (sound self)) 100))) | |
| 53 | (unless (channel-matrix self) (setf (channel-matrix self) (list (arithm-ser 1 (sox-sound-channels thesound) 1)))) ;when there's no | |
| 54 | (setf (gain-matrix self) (sox-gain-matcher (or (gain-matrix self) (list (sox-vol-convert thevolume))) (channel-matrix self))) | |
| 55 | (sox-init-sound self 'atom) | |
| 56 | ) | |
| 57 | ) | |
| 58 | )) | |
| 59 | ||
