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/*
Copyright (C) 2006 Paul Davis
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.
$Id: insert.cc 712 2006-07-28 01:08:57Z drobilla $
*/
#ifndef __ardour_chan_count_h__
#define __ardour_chan_count_h__
#include <ardour/data_type.h>
namespace ARDOUR {
class ChanCount {
public:
ChanCount() { reset(); }
// Convenience constructor for making single-typed streams (stereo, mono, etc)
ChanCount(DataType type, size_t channels)
{
reset();
set(type, channels);
}
void reset()
{
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
_counts[(*t).to_index()] = 0;
}
}
// -1 is what to_index does. inlined for speed. this should maybe be changed..
inline size_t n_audio() const { return _counts[DataType::AUDIO-1]; }
inline size_t n_midi() const { return _counts[DataType::MIDI-1]; }
inline void set_audio(size_t a) { _counts[DataType::AUDIO-1] = a; }
inline void set_midi(size_t m) { _counts[DataType::MIDI-1] = m; }
size_t n_total() const
{
size_t ret = 0;
for (size_t i=0; i < DataType::num_types; ++i)
ret += _counts[i];
return ret;
}
void set(DataType type, size_t count) { _counts[type.to_index()] = count; }
size_t get(DataType type) const { return _counts[type.to_index()]; }
bool operator==(const ChanCount& other) const
{
for (size_t i=0; i < DataType::num_types; ++i)
if (_counts[i] != other._counts[i])
return false;
return true;
}
bool operator!=(const ChanCount& other) const
{
return ! (*this == other);
}
bool operator<(const ChanCount& other) const
{
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
if (_counts[(*t).to_index()] > other._counts[(*t).to_index()]) {
return false;
}
}
return (*this != other);
}
bool operator<=(const ChanCount& other) const
{
return ( (*this < other) || (*this == other) );
}
bool operator>(const ChanCount& other) const
{
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
if (_counts[(*t).to_index()] < other._counts[(*t).to_index()]) {
return false;
}
}
return (*this != other);
}
bool operator>=(const ChanCount& other) const
{
return ( (*this > other) || (*this == other) );
}
static const ChanCount INFINITE;
static const ChanCount ZERO;
private:
size_t _counts[DataType::num_types];
};
} // namespace ARDOUR
#endif // __ardour_chan_count_h__
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