94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
// ------------------------------------------------------------------------
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// audiofx_mixing.cpp: Effects for channel mixing and routing
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// Copyright (C) 1999-2005,2008 Kai Vehmanen
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//
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// Attributes:
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// eca-style-version: 3 (see Ecasound Programmer's Guide)
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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; either version 2 of the License, or
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// (at your option) any later version.
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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 USA
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// ------------------------------------------------------------------------
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#include <vector>
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#include <kvu_dbc.h>
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#include "samplebuffer.h"
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#include "samplebuffer_iterators.h"
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// ---------------------------------------------------------------------
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void SAMPLE_ITERATOR::begin(void)
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{
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index = 0;
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channel_index = 0;
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if (target->buffersize_rep == 0)
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channel_index = target->channel_count_rep;
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}
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void SAMPLE_ITERATOR::next(void)
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{
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++index;
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if (index == target->buffersize_rep) {
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++channel_index;
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index = 0;
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}
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}
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// ---------------------------------------------------------------------
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void SAMPLE_ITERATOR_CHANNEL::init(SAMPLE_BUFFER* buf, int channel)
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{
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target = buf;
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index = 0;
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channel_index = channel;
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if (channel_index < 0 ||
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channel_index >= target->number_of_channels())
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index = target->buffersize_rep;
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DBC_CHECK(index == 0);
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}
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void SAMPLE_ITERATOR_CHANNEL::begin(int channel)
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{
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index = 0;
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channel_index = channel;
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if (channel_index < 0 ||
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channel_index >= target->number_of_channels())
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index = target->buffersize_rep;
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DBC_CHECK(index == 0);
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}
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// ---------------------------------------------------------------------
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void SAMPLE_ITERATOR_CHANNELS::begin(void)
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{
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index = 0;
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channel_index = 0;
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if (target->buffersize_rep == 0)
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channel_index = target->channel_count_rep;
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}
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void SAMPLE_ITERATOR_CHANNELS::next(void)
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{
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++index;
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if (index == target->buffersize_rep) {
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++channel_index;
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index = 0;
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}
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}
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// ---------------------------------------------------------------------
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