{"id":2811,"date":"2019-11-04T22:22:23","date_gmt":"2019-11-04T13:22:23","guid":{"rendered":"https:\/\/www.utsbox.com\/?p=2811"},"modified":"2020-02-09T17:07:49","modified_gmt":"2020-02-09T08:07:49","slug":"midi%e3%83%8e%e3%83%bc%e3%83%88%e3%82%aa%e3%83%b3%e3%83%bb%e3%82%aa%e3%83%95%e3%81%ae%e5%87%ba%e5%8a%9b","status":"publish","type":"post","link":"https:\/\/www.utsbox.com\/?p=2811","title":{"rendered":"MIDI\u30ce\u30fc\u30c8\u30aa\u30f3\u30fb\u30aa\u30d5\u306e\u51fa\u529b"},"content":{"rendered":"

MIDI\u30ce\u30fc\u30c8\u30aa\u30f3\u30fb\u30aa\u30d5\u306e\u51fa\u529b<\/h1>\n

VST\u3067\u306fMIDI\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u3053\u308c\u306b\u3088\u308a\u3001MIDI\u30a8\u30d5\u30a7\u30af\u30c8\u306e\u3088\u3046\u306a\u3082\u306e\u3084\u97f3\u58f0\u4fe1\u53f7\u304b\u3089MIDI\u3078\u306e\u5909\u63db\u306a\u3069\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u306f\u3001\u97f3\u58f0\u51e6\u7406\u30af\u30e9\u30b9\u304b\u3089MIDI\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n

\u306a\u304a\u3001MIDI\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5165\u529b\u306a\u3069\u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
MIDI\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53d7\u53d61<\/a><\/td>\nMIDI\u306eNote On\u3001Note Off\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u65b9\u6cd5\u306e\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u7c21\u5358\u306a\u30e2\u30ce\u30d5\u30a9\u30cb\u30c3\u30af\u30b7\u30f3\u30bb\u30b5\u30a4\u30b6\u30fc\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n
MIDI\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53d7\u53d62<\/a><\/td>\nMIDI\u306eControl Change\u3001Pitch Bend\u306a\u3069\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u65b9\u6cd5\u306e\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/table>\n

\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u5165\u529b\u3055\u308c\u305fMIDI\u30ce\u30fc\u30c8\u30aa\u30f3\u30fb\u30aa\u30d5\u30e1\u30c3\u30bb\u30fc\u30b8\u305d\u306e\u307e\u307e\u51fa\u529b\u3059\u308b\u3060\u3051\u306e\u3082\u306e\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002
\n\u307e\u305a\u306f\u97f3\u58f0\u51e6\u7406\u30af\u30e9\u30b9\u306einitialize\u95a2\u6570\u306b\u51fa\u529b\u7528\u306eEventBus\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002(\u300c\u5165\u529b\u30a4\u30d9\u30f3\u30c8\u30d0\u30b9\u306e\u8ffd\u52a0<\/a>\u300d\u3068\u307b\u307c\u540c\u3058\u3067\u3059\u3002)
\n<\/p>\n

\u3010processor.cpp\u3011
\n[crayon mark=”9″]
\ntresult PLUGIN_API MyVSTProcessor::initialize(FUnknown* context)
\n{
\n\t\/\/ \u307e\u305a\u7d99\u627f\u5143\u30af\u30e9\u30b9\u306e\u521d\u671f\u5316\u3092\u5b9f\u65bd
\n\ttresult result = AudioEffect::initialize(context);
\n\tif (result == kResultTrue)
\n\t{
\n\t\t\/\/ \u5165\u529b\u3068\u51fa\u529b\u3092\u8a2d\u5b9a
\n\t\taddEventInput(L”MIDI In”,1 );
\n\t\taddEventOutput(L”MIDI Out”,1);
\n\t}<\/p>\n

\t\/\/ \u521d\u671f\u5316\u304c\u6210\u529f\u3059\u308c\u3070kResultTrue\u3092\u8fd4\u3059\u3002
\n\treturn result;
\n}
\n[\/crayon]<\/p>\n

\u6b21\u306b\u97f3\u58f0\u51e6\u7406\u30af\u30e9\u30b9\u306eprocess\u95a2\u6570\u306bMIDI\u30ce\u30fc\u30c8\u30aa\u30f3\u30fb\u30aa\u30d5\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3059\u308b\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002
\nMIDI\u30ce\u30fc\u30c8\u30aa\u30f3\u30fb\u30aa\u30d5\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3059\u308b\u306b\u306f\u3001data\u5909\u6570\u304b\u3089outputEvents\u3092\u53d6\u5f97\u3057\u3001\u3053\u306eoutputEvents\u306b\u30a4\u30d9\u30f3\u30c8(MIDI\u30ce\u30fc\u30c8\u30aa\u30f3\u30fb\u30aa\u30d5\u30e1\u30c3\u30bb\u30fc\u30b8)\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n

\u3010processor.cpp \u8ffd\u52a0\u5206\u3011
\n[crayon mark=”8-11,21-22″]
\ntresult PLUGIN_API MyVSTProcessor::process(ProcessData& data)
\n{
\n\t\/\/ \u4e0e\u3048\u3089\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u304c\u3042\u308b\u3068\u304ddata\u306einputEvents\u306b
\n\t\/\/ IEventList\u30af\u30e9\u30b9\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u5165\u308b
\n\tIEventList* eventList = data.inputEvents;
\n\tif (eventList != NULL)
\n\t{
\n\t\t\/\/ MIDI\u30ce\u30fc\u30c8On\/Off\u3092\u51fa\u529b\u3059\u308b\u306b\u306f\u3001data.outputEvents\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3002
\n\t\t\/\/ nullptr\u306e\u5834\u5408(\u51fa\u529b\u7528\u306e\u30a4\u30d9\u30f3\u30c8\u30d0\u30b9\u304c\u7121\u3044\u5834\u5408)\u3001\u7d42\u4e86\u3059\u308b\u3002
\n\t\tIEventList* outEventList = data.outputEvents;
\n\t\tif (outEventList == nullptr) { return kResultTrue; }<\/p>\n

\t\t\/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u6570\u3092\u53d6\u5f97\u3059\u308b\u3002
\n\t\tint32 numEvent = eventList->getEventCount();
\n\t\tfor (int32 i = 0; i < numEvent; i++)\n\t\t{\n\t\t\t\/\/ i\u756a\u76ee\u306e\u30a4\u30d9\u30f3\u30c8\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\n\t\t\tEvent event;\n\t\t\tif (eventList->getEvent(i, event) == kResultOk)
\n\t\t\t{
\n\t\t\t\t\/\/ \u51fa\u529b\u7528\u306e\u30a4\u30d9\u30f3\u30c8\u30d0\u30b9\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b
\n\t\t\t\toutEventList->addEvent(event);
\n\t\t\t}
\n\t\t}
\n\t}<\/p>\n

\t\/\/ \u554f\u984c\u306a\u3051\u308c\u3070kResultTrue\u3092\u8fd4\u3059(\u304a\u305d\u3089\u304f\u5fc5\u305akResultTrue\u3092\u8fd4\u3059)
\n\treturn kResultTrue;
\n}
\n[\/crayon]<\/p>\n

\u4ee5\u4e0a\u3067\u97f3\u58f0\u51e6\u7406\u30af\u30e9\u30b9\u304b\u3089MIDI\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u4e0a\u8a18\u4ee5\u5916\u306b\u3082VST3.6\u306b\u3064\u3044\u3066\u306e\u60c5\u5831\u304c\u3042\u308a\u307e\u3059\u3002\u4e0b\u8a18\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n