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// Copyright(c) 2016 YamaArashi
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifndef MIDI_H
#define MIDI_H
#include <cstdint>
enum class MidiFormat { SingleTrack, MultiTrack };
enum class EventType {
EndOfTie = 0x01,
Label = 0x11,
LoopEnd = 0x38, // To place it last if at the same time as other meta events, but before notes on the same frame
LoopEndBegin = 0x13,
LoopBegin = 0x24, // To place it last if at the same time as other meta events, but before notes on the same frame
OriginalTimeSignature = 0x15,
WholeNoteMark = 0x16,
Pattern = 0x17,
TimeSignature = 0x18,
Tempo = 0x19,
InstrumentChange = 0x21,
Controller = 0x22,
PitchBend = 0x23,
KeyShift = 0x31,
Note = 0x40,
TimeSplit = 0xFE,
EndOfTrack = 0xFF,
};
struct Event {
std::int32_t time;
EventType type;
std::uint8_t note;
std::uint8_t param1;
std::int32_t param2;
bool operator==(const Event& other) {
return (time == other.time && type == other.type && note == other.note && param1 == other.param1 &&
param2 == other.param2);
}
bool operator!=(const Event& other) {
return !(*this == other);
}
};
void ReadMidiFileHeader();
void ReadMidiTracks();
extern int g_midiChan;
extern std::int32_t g_initialWait;
inline bool IsPatternBoundary(EventType type) {
return type == EventType::EndOfTrack || (int)type <= 0x17;
}
#endif // MIDI_H
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