Paul Davis
8a6762f189
This reverts commit f374ce69a6.
The code does not compile on OS X, and includes changes to ARDOUR::AudioEngine
that have not landed in git.
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
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Copyright (C) 2014 Waves Audio Ltd.
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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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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, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "waves_audioport.h"
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using namespace ARDOUR;
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WavesAudioPort::WavesAudioPort (const std::string& port_name, PortFlags flags)
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: WavesDataPort (port_name, flags)
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{
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memset (_buffer, 0, sizeof (_buffer));
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}
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void* WavesAudioPort::get_buffer (pframes_t nframes)
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{
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if (is_input ()) {
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std::vector<WavesDataPort*>::const_iterator it = get_connections ().begin ();
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if (it != get_connections ().end ()) {
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/* In fact, the static casting to (const WavesAudioPort*) is not that safe.
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* However, mixing the buffers is assumed in the time critical conditions.
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* Base class WavesDataPort takes is supposed to provide enough consistentcy
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* of the connections.
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*/
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for (memcpy (_buffer, ((const WavesAudioPort*)*it)->const_buffer (), nframes * sizeof (Sample)), ++it;
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it != get_connections ().end ();
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++it) {
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Sample* tgt = buffer ();
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const Sample* src = ((const WavesAudioPort*)*it)->const_buffer ();
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for (uint32_t frame = 0; frame < nframes; ++frame, ++tgt, ++src) {
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*tgt += *src;
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}
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}
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}
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}
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return _buffer;
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}
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void
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WavesAudioPort::_wipe_buffer()
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{
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memset (_buffer, 0, sizeof (_buffer));
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}
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