60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*****************************************************************************
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*
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* This file is part of jack_mixer
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*
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* Copyright (C) 2006 Nedko Arnaudov <nedko@arnaudov.name>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*****************************************************************************/
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#ifndef _SCALE_H
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#define _SCALE_H
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typedef void * jack_mixer_scale_t;
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jack_mixer_scale_t
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scale_create();
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bool
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scale_add_threshold(
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jack_mixer_scale_t scale,
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float db,
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float scale_value);
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void
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scale_remove_thresholds(
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jack_mixer_scale_t scale);
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void
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scale_calculate_coefficients(
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jack_mixer_scale_t scale);
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double
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scale_db_to_scale(
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jack_mixer_scale_t scale,
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double db);
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double
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scale_scale_to_db(
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jack_mixer_scale_t scale,
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double scale_value);
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void
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scale_destroy(
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jack_mixer_scale_t scale);
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#endif /* #ifndef _SCALE_H */
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