parameter_types.h

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/*
    Copyright (C) 2014 Paul Davis
    Author: David Robillard

    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.

*/

#ifndef __ardour_parameter_types_h__
#define __ardour_parameter_types_h__

#include <stdint.h>

#include "ardour/types.h"
#include "evoral/Parameter.hpp"
#include "evoral/midi_events.h"

namespace ARDOUR {

inline uint8_t
parameter_midi_type(AutomationType type)
{
        switch (type) {
        case MidiCCAutomation:              return MIDI_CMD_CONTROL;          break;
        case MidiPgmChangeAutomation:       return MIDI_CMD_PGM_CHANGE;       break;
        case MidiChannelPressureAutomation: return MIDI_CMD_CHANNEL_PRESSURE; break;
        case MidiPitchBenderAutomation:     return MIDI_CMD_BENDER;           break;
        case MidiSystemExclusiveAutomation: return MIDI_CMD_COMMON_SYSEX;     break;
        default: return 0;
        }
}

inline AutomationType
midi_parameter_type(uint8_t status)
{
        switch (status & 0xF0) {
        case MIDI_CMD_CONTROL:          return MidiCCAutomation;              break;
        case MIDI_CMD_PGM_CHANGE:       return MidiPgmChangeAutomation;       break;
        case MIDI_CMD_CHANNEL_PRESSURE: return MidiChannelPressureAutomation; break;
        case MIDI_CMD_BENDER:           return MidiPitchBenderAutomation;     break;
        case MIDI_CMD_COMMON_SYSEX:     return MidiSystemExclusiveAutomation; break;
        default: return NullAutomation;
        }
}

inline Evoral::Parameter
midi_parameter(const uint8_t* buf, const uint32_t len)
{
        const uint8_t channel = buf[0] & 0x0F;
        switch (midi_parameter_type(buf[0])) {
        case MidiCCAutomation:
                return Evoral::Parameter(MidiCCAutomation, channel, buf[1]);
        case MidiPgmChangeAutomation:
                return Evoral::Parameter(MidiPgmChangeAutomation, channel);
        case MidiChannelPressureAutomation:
                return Evoral::Parameter(MidiChannelPressureAutomation, channel);
        case MidiPitchBenderAutomation:
                return Evoral::Parameter(MidiPitchBenderAutomation, channel);
        case MidiSystemExclusiveAutomation:
                return Evoral::Parameter(MidiSystemExclusiveAutomation, channel);
        default:
                return Evoral::Parameter(NullAutomation);
        }
}

inline bool
parameter_is_midi(AutomationType type)
{
        return (type >= MidiCCAutomation) && (type <= MidiChannelPressureAutomation);
}

}  // namespace ARDOUR

#endif /* __ardour_parameter_types_h__ */