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// ------------------------------------------------------------------------
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// Copyright (C) 2011-2012 Fons Adriaensen <fons@linuxaudio.org>
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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; either version 3 of the License, or
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// (at your option) any later version.
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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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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// ------------------------------------------------------------------------
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// maxdel = maximum delay in samples.
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// period = number of samples guaranteed to be available for
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// linear reading or writing, i.e. without wraparound.
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// * Read or write up to 'period' samples.
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// * Commit number of samples used.
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Delayproc (int maxdel, int period);
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// Delay must be in the range 0...'maxdel'.
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void set_delay (int k)
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if (_rdind < 0) _rdind += _length;
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// Get write or read pointer. Either can be used as
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// the base of an array of size 'period' samples.
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float *wr_ptr (void) const { return _data + _wrind; }
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float *rd_ptr (void) const { return _data + _rdind; }
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// Commit writing of k samples.
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void wr_commit (int k)
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// This ensures that the first and last period sized
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// blocks remain identical, allowing linear access
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// for both reading and writing.
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memcpy (p, q, n * sizeof (float));
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memcpy (p, q, n * sizeof (float));
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// Commit reading of k samples.
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void rd_commit (int k)
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if (_rdind >= _length) _rdind -= _length;
added
removed
source/delayproc.h
