296 lines
7.1 KiB
C++
296 lines
7.1 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "rtmidi.h"
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#include "../ta-log.h"
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#include "taAudio.h"
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String sanitizePortName(const String& name) {
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#if defined(_WIN32)
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// remove port number
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size_t namePos=name.rfind(' ');
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if (namePos!=String::npos) {
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return name.substr(0,namePos);
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}
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return name;
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#elif defined(__linux__)
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// remove port location
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size_t namePos=name.rfind(' ');
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if (namePos!=String::npos) {
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return name.substr(0,namePos);
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}
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return name;
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#else
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return name;
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#endif
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}
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// --- IN ---
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bool TAMidiInRtMidi::gather() {
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std::vector<unsigned char> msg;
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if (port==NULL) return false;
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try {
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while (true) {
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TAMidiMessage m;
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double t=port->getMessage(&msg);
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if (msg.empty()) break;
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// parse message
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m.time=t;
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m.type=msg[0];
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if (m.type!=TA_MIDI_SYSEX && msg.size()>1) {
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memcpy(m.data,msg.data()+1,MIN(msg.size()-1,7));
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} else if (m.type==TA_MIDI_SYSEX) {
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m.sysExData=std::shared_ptr<unsigned char>(new unsigned char[msg.size()],std::default_delete<unsigned char[]>());
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m.sysExLen=msg.size();
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logD("got a SysEx of length %ld!",msg.size());
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memcpy(m.sysExData.get(),msg.data(),msg.size());
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}
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queue.push(m);
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}
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} catch (RtMidiError& e) {
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logE("MIDI input error! %s",e.what());
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closeDevice();
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return false;
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}
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return true;
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}
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std::vector<String> TAMidiInRtMidi::listDevices() {
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std::vector<String> ret;
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logD("listing devices.");
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if (port==NULL) return ret;
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try {
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unsigned int count=port->getPortCount();
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logD("got port count.");
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for (unsigned int i=0; i<count; i++) {
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String name=sanitizePortName(port->getPortName(i));
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if (name!="") ret.push_back(name);
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}
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} catch (RtMidiError& e) {
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logW("could not get MIDI inputs! %s",e.what());
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}
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return ret;
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}
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bool TAMidiInRtMidi::isDeviceOpen() {
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return isOpen;
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}
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bool TAMidiInRtMidi::openDevice(String name) {
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if (port==NULL) return false;
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if (isOpen) return false;
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try {
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bool portOpen=false;
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unsigned int count=port->getPortCount();
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logD("finding port %s...",name);
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for (unsigned int i=0; i<count; i++) {
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String portName=sanitizePortName(port->getPortName(i));
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logV("- %d: %s",i,portName);
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if (portName==name) {
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logD("opening port %d...",i);
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port->openPort(i);
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portOpen=true;
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break;
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}
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}
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isOpen=portOpen;
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if (!portOpen) logW("could not find MIDI in device...");
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return portOpen;
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} catch (RtMidiError& e) {
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logW("could not open MIDI in device! %s",e.what());
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return false;
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}
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return true;
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}
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bool TAMidiInRtMidi::closeDevice() {
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if (port==NULL) return false;
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if (!isOpen) return false;
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try {
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port->closePort();
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} catch (RtMidiError& e) {
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logW("could not close MIDI in device! %s",e.what());
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isOpen=false; // still
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return false;
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}
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isOpen=false;
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return true;
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}
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bool TAMidiInRtMidi::init() {
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if (port!=NULL) return true;
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try {
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port=new RtMidiIn;
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port->ignoreTypes(false,true,true);
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} catch (RtMidiError& e) {
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logW("could not initialize RtMidi in! %s",e.what());
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return false;
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}
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return true;
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}
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bool TAMidiInRtMidi::quit() {
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if (port!=NULL) {
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delete port;
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port=NULL;
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}
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return true;
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}
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// --- OUT ---
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bool TAMidiOutRtMidi::send(const TAMidiMessage& what) {
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if (!isOpen) return false;
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if (what.type<0x80) return false;
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size_t len=0;
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switch (what.type&0xf0) {
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case TA_MIDI_NOTE_OFF:
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case TA_MIDI_NOTE_ON:
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case TA_MIDI_AFTERTOUCH:
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case TA_MIDI_CONTROL:
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case TA_MIDI_PITCH_BEND:
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len=3;
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break;
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case TA_MIDI_PROGRAM:
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case TA_MIDI_CHANNEL_AFTERTOUCH:
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len=2;
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break;
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}
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if (len==0) switch (what.type) {
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case TA_MIDI_SYSEX:
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if (what.sysExLen<1) {
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logE("sysExLen is NULL!");
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return false;
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}
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if (what.sysExData.get()==NULL) {
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logE("sysExData is NULL!");
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return false;
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}
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len=what.sysExLen;
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try {
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port->sendMessage(what.sysExData.get(),len);
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} catch (RtMidiError& e) {
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logE("MIDI output error! %s",e.what());
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return false;
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}
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return true;
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break;
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case TA_MIDI_MTC_FRAME:
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case TA_MIDI_SONG_SELECT:
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len=2;
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break;
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case TA_MIDI_POSITION:
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len=3;
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break;
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default:
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len=1;
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break;
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}
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try {
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port->sendMessage((const unsigned char*)&what.type,len);
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} catch (RtMidiError& e) {
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logE("MIDI output error! %s",e.what());
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return false;
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}
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return true;
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}
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bool TAMidiOutRtMidi::isDeviceOpen() {
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return isOpen;
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}
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bool TAMidiOutRtMidi::openDevice(String name) {
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if (port==NULL) return false;
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if (isOpen) return false;
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try {
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bool portOpen=false;
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unsigned int count=port->getPortCount();
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logD("finding port %s...",name);
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for (unsigned int i=0; i<count; i++) {
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String portName=sanitizePortName(port->getPortName(i));
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logV("- %d: %s",i,portName);
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if (portName==name) {
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logD("opening port %d...",i);
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port->openPort(i);
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portOpen=true;
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break;
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}
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}
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isOpen=portOpen;
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if (!portOpen) logW("could not find MIDI out device...");
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return portOpen;
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} catch (RtMidiError& e) {
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logW("could not open MIDI out device! %s",e.what());
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return false;
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}
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return true;
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}
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bool TAMidiOutRtMidi::closeDevice() {
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if (port==NULL) return false;
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if (!isOpen) return false;
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try {
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port->closePort();
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} catch (RtMidiError& e) {
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logW("could not close MIDI out device! %s",e.what());
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isOpen=false; // still
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return false;
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}
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isOpen=false;
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return true;
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}
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std::vector<String> TAMidiOutRtMidi::listDevices() {
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std::vector<String> ret;
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if (port==NULL) return ret;
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try {
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unsigned int count=port->getPortCount();
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for (unsigned int i=0; i<count; i++) {
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String name=sanitizePortName(port->getPortName(i));
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if (name!="") ret.push_back(name);
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}
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} catch (RtMidiError& e) {
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logW("could not get MIDI outputs! %s",e.what());
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}
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return ret;
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}
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bool TAMidiOutRtMidi::init() {
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if (port!=NULL) return true;
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try {
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port=new RtMidiOut;
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} catch (RtMidiError& e) {
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logW("could not initialize RtMidi out! %s",e.what());
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return false;
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}
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return true;
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}
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bool TAMidiOutRtMidi::quit() {
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if (port!=NULL) {
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delete port;
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port=NULL;
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}
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return true;
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}
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