42 lines
2.7 KiB
C
42 lines
2.7 KiB
C
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#pragma once
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#include "JACK/Client.H"
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#include <math.h>
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void buffer_apply_gain ( sample_t *buf, nframes_t nframes, float g );
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void buffer_apply_gain_buffer ( sample_t *buf, const sample_t *gainbuf, nframes_t nframes );
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void buffer_copy_and_apply_gain_buffer ( sample_t *dst, const sample_t *src, const sample_t *gainbuf, nframes_t nframes );
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void buffer_mix ( sample_t *dst, const sample_t *src, nframes_t nframes );
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void buffer_mix_with_gain ( sample_t *dst, const sample_t *src, nframes_t nframes, float g );
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void buffer_interleave_one_channel ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes );
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void buffer_interleave_one_channel_and_mix ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes );
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void buffer_deinterleave_one_channel ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes );
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void buffer_fill_with_silence ( sample_t *buf, nframes_t nframes );
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bool buffer_is_digital_black ( sample_t *buf, nframes_t nframes );
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void buffer_copy ( sample_t *dst, const sample_t *src, nframes_t nframes );
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void buffer_copy_and_apply_gain ( sample_t *dst, const sample_t *src, nframes_t nframes, float gain );
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// from SWH plugins.
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// Convert a value in dB's to a coefficent
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#define DB_CO(g) ((g) > -90.0f ? powf(10.0f, (g) * 0.05f) : 0.0f)
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#define CO_DB(v) (20.0f * log10f(v))
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