//========================================================= // MusE // Linux Music Editor // $Id: mpevent.cpp,v 1.6.2.2 2009/11/25 09:09:43 terminator356 Exp $ // // (C) Copyright 2002-2004 Werner Schweer (ws@seh.de) //========================================================= #include "mpevent.h" #include "helper.h" #include "event.h" #include "midictrl.h" #include "midiport.h" #include "muse/midi.h" //--------------------------------------------------------- // MEvent //--------------------------------------------------------- MEvent::MEvent(unsigned t, int port, int tpe, const unsigned char* data, int len) { _time = t; _port = port; edata.setData(data, len); _type = tpe; _loopNum = 0; } MEvent::MEvent(unsigned tick, int port, int channel, const Event& e) { setChannel(channel); setTime(tick); setPort(port); setLoopNum(0); switch(e.type()) { case Note: setType(ME_NOTEON); setA(e.dataA()); setB(e.dataB()); break; case Controller: setType(ME_CONTROLLER); setA(e.dataA()); // controller number setB(e.dataB()); // controller value break; case PAfter: setType(ME_POLYAFTER); setA(e.dataA()); setB(e.dataB()); break; case CAfter: setType(ME_AFTERTOUCH); setA(e.dataA()); setB(0); break; case Sysex: setType(ME_SYSEX); setData(e.eventData()); break; default: printf("MEvent::MEvent(): event type %d not implemented\n", type()); break; } } //--------------------------------------------------------- // dump //--------------------------------------------------------- void MEvent::dump() const { printf("time:%d port:%d chan:%d ", _time, _port, _channel+1); if (_type == 0x90) { // NoteOn QString s = pitch2string(_a); printf("NoteOn %s(0x%x) %d\n", s.latin1(), _a, _b); } else if (_type == 0xf0) { printf("SysEx len %d 0x%0x ...\n", len(), data()[0]); } else printf("type:0x%02x a=%d b=%d\n", _type, _a, _b); } //--------------------------------------------------------- // operator < //--------------------------------------------------------- bool MEvent::operator<(const MEvent& e) const { if (time() != e.time()) return time() < e.time(); if (port() != e.port()) return port() < e.port(); // play note off events first to prevent overlapping // notes if (channel() == e.channel()) return type() == ME_NOTEOFF || (type() == ME_NOTEON && dataB() == 0); int map[16] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 10, 11, 12, 13, 14, 15 }; return map[channel()] < map[e.channel()]; } //--------------------------------------------------------- // put // return true on fifo overflow //--------------------------------------------------------- bool MidiFifo::put(const MidiPlayEvent& event) { if (size < MIDI_FIFO_SIZE) { fifo[wIndex] = event; wIndex = (wIndex + 1) % MIDI_FIFO_SIZE; // q_atomic_increment(&size); ++size; return false; } return true; } //--------------------------------------------------------- // get //--------------------------------------------------------- MidiPlayEvent MidiFifo::get() { MidiPlayEvent event(fifo[rIndex]); rIndex = (rIndex + 1) % MIDI_FIFO_SIZE; // q_atomic_decrement(&size); --size; return event; } //--------------------------------------------------------- // peek //--------------------------------------------------------- const MidiPlayEvent& MidiFifo::peek(int n) { int idx = (rIndex + n) % MIDI_FIFO_SIZE; return fifo[idx]; } //--------------------------------------------------------- // remove //--------------------------------------------------------- void MidiFifo::remove() { rIndex = (rIndex + 1) % MIDI_FIFO_SIZE; // q_atomic_decrement(&size); --size; }