68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/*
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Copyright (C) 2013 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_midiport.h"
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#include "waves_midi_event.h"
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using namespace ARDOUR;
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WavesMidiPort::WavesMidiPort (const std::string& port_name, PortFlags flags)
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: WavesDataPort (port_name, flags)
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, _midi_device (NULL)
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, _waves_midi_buffer (port_name)
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{
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}
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struct MidiEventSorter {
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bool operator() (const WavesMidiEvent* a, const WavesMidiEvent* b) {
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return *a < *b;
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}
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};
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void*
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WavesMidiPort::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 cit = get_connections ().begin ();
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if (cit != get_connections ().end ()) {
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_waves_midi_buffer.clear ();
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WavesMidiBuffer& target = _waves_midi_buffer;
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do {
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/* In fact, the static casting to (const WavesMidiPort*) 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 is supposed to provide enough consistentcy
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* of the connections.
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*/
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target += ((const WavesMidiPort*)*cit)->const_buffer ();
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}while((++cit) != get_connections ().end ());
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std::sort (target.begin (), target.end (), MidiEventSorter());
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}
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}
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return &_waves_midi_buffer;
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}
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void
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WavesMidiPort::_wipe_buffer()
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{
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_waves_midi_buffer.clear ();
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}
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