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/*
Copyright (C) 2013 Waves Audio Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "waves_midiport.h"
#include "waves_midi_event.h"
using namespace ARDOUR;
WavesMidiPort::WavesMidiPort (const std::string& port_name, PortFlags flags)
: WavesDataPort (port_name, flags)
, _midi_device (NULL)
, _waves_midi_buffer (port_name)
{
}
struct MidiEventSorter {
bool operator() (const WavesMidiEvent* a, const WavesMidiEvent* b) {
return *a < *b;
}
};
void*
WavesMidiPort::get_buffer (pframes_t nframes)
{
if (is_input ()) {
std::vector<WavesDataPort*>::const_iterator cit = get_connections ().begin ();
if (cit != get_connections ().end ()) {
_waves_midi_buffer.clear ();
WavesMidiBuffer& target = _waves_midi_buffer;
do {
/* In fact, the static casting to (const WavesMidiPort*) is not that safe.
* However, mixing the buffers is assumed in the time critical conditions.
* Base class WavesDataPort is supposed to provide enough consistentcy
* of the connections.
*/
target += ((const WavesMidiPort*)*cit)->const_buffer ();
}while((++cit) != get_connections ().end ());
std::sort (target.begin (), target.end (), MidiEventSorter());
}
}
return &_waves_midi_buffer;
}
void
WavesMidiPort::_wipe_buffer()
{
_waves_midi_buffer.clear ();
}
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