midi in and out

includes/BuildInfo.h

@@ -0,0 +1,29 @@
+//
+//  BuildInfo.h.in
+//  cmake/templates
+//
+//  Created by Stephen Birarda on 1/14/16.
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#define USE_STABLE_GLOBAL_SERVICES 0
+
+#include <QString>
+
+namespace BuildInfo {
+    // WARNING: This file has been auto-generated.
+    // Check cmake/templates/BuildInfo.h.in if you want to modify it.
+
+    const QString INTERFACE_NAME = "Interface";
+    const QString ASSIGNMENT_CLIENT_NAME = "assignment-client";
+    const QString DOMAIN_SERVER_NAME = "domain-server";
+    const QString AC_CLIENT_SERVER_NAME = "ac-client";
+    const QString MODIFIED_ORGANIZATION = "High Fidelity - dev";
+    const QString ORGANIZATION_DOMAIN = "highfidelity.io";
+    const QString VERSION = "dev";
+    const QString BUILD_BRANCH = "";
+    const QString BUILD_GLOBAL_SERVICES = "DEVELOPMENT";
+}

interface/CMakeLists.txt

@@ -193,7 +193,7 @@ link_hifi_libraries(
   shared octree ktx gpu gl gpu-gl procedural model render
   recording fbx networking model-networking entities avatars trackers
   audio audio-client animation script-engine physics
-  render-utils entities-renderer avatars-renderer ui auto-updater
+  render-utils entities-renderer avatars-renderer ui auto-updater midi
   controllers plugins image trackers
   ui-plugins display-plugins input-plugins
   ${NON_ANDROID_LIBRARIES}

interface/src/Application.cpp

@@ -61,6 +61,7 @@
 #include <AssetClient.h>
 #include <AssetUpload.h>
 #include <AutoUpdater.h>
+#include <Midi.h>
 #include <AudioInjectorManager.h>
 #include <AvatarBookmarks.h>
 #include <CursorManager.h>
@@ -395,7 +396,11 @@ public:
                     return true;
                 }
             }
-        }
+
+			if (message->message == WM_DEVICECHANGE) {
+				Midi::USBchanged();				// re-scan the MIDI bus
+			}
+		}
         return false;
     }
 };
@@ -518,8 +523,9 @@ bool setupEssentials(int& argc, char** argv, bool runningMarkerExisted) {
     DependencyManager::set<DiscoverabilityManager>();
     DependencyManager::set<SceneScriptingInterface>();
     DependencyManager::set<OffscreenUi>();
-    DependencyManager::set<AutoUpdater>();
+	DependencyManager::set<AutoUpdater>();
-    DependencyManager::set<PathUtils>();
+	DependencyManager::set<Midi>();
+	DependencyManager::set<PathUtils>();
     DependencyManager::set<InterfaceDynamicFactory>();
     DependencyManager::set<AudioInjectorManager>();
     DependencyManager::set<MessagesClient>();
@@ -640,7 +646,7 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
     _entityClipboard->createRootElement();
 
 #ifdef Q_OS_WIN
-    installNativeEventFilter(&MyNativeEventFilter::getInstance());
+	installNativeEventFilter(&MyNativeEventFilter::getInstance());
 #endif
 
     _logger = new FileLogger(this);  // After setting organization name in order to get correct directory

libraries/midi/CMakeLists.txt

@@ -0,0 +1,3 @@
+set(TARGET_NAME midi)
+setup_hifi_library(Network)
+link_hifi_libraries(shared networking)

libraries/midi/src/Midi.cpp

@@ -0,0 +1,223 @@
+//
+//  Midi.cpp
+//  libraries/midi/src
+//
+//  Created by Burt Sloane
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "Midi.h"
+
+
+#include <QtCore/QLoggingCategory>
+
+
+#if defined Q_OS_WIN32
+#include "Windows.h"
+#endif
+
+
+static Midi* instance = NULL;			// communicate this to non-class callbacks
+
+
+#if defined Q_OS_WIN32
+
+#pragma comment(lib, "Winmm.lib")
+
+//
+std::vector<HMIDIIN> midihin;
+std::vector<HMIDIOUT> midihout;
+
+std::vector<QString> Midi::midiinexclude;
+std::vector<QString> Midi::midioutexclude;
+
+
+void CALLBACK MidiInProc(
+	HMIDIIN   hMidiIn,
+	UINT      wMsg,
+	DWORD_PTR dwInstance,
+	DWORD_PTR dwParam1,
+	DWORD_PTR dwParam2
+) {
+	if (wMsg == MIM_OPEN) {
+	}
+	else if (wMsg == MIM_CLOSE) {
+		for (int i = 0; i < midihin.size(); i++) if (midihin[i] == hMidiIn) {
+			midihin[i] = NULL;
+			instance->sendNote(0xb0, 0x7b, 0);		// all notes off
+		}
+	}
+	else if (wMsg == MIM_DATA) {
+		int status = 0x0ff & dwParam1;
+		int note = 0x0ff & (dwParam1 >> 8);
+		int vel = 0x0ff & (dwParam1 >> 16);
+//sendNote(status, note, vel);		// NOTE: relay the note on to all other midi devices
+		instance->Midi::noteReceived(status, note, vel);
+	}
+}
+
+
+void CALLBACK MidiOutProc(
+	HMIDIOUT  hmo,
+	UINT      wMsg,
+	DWORD_PTR dwInstance,
+	DWORD_PTR dwParam1,
+	DWORD_PTR dwParam2
+	) {
+	if (wMsg == MOM_CLOSE) {
+		for (int i = 0; i < midihout.size(); i++) if (midihout[i] == hmo) {
+			midihout[i] = NULL;
+			instance->sendNote(0xb0, 0x7b, 0);		// all notes off
+		}
+	}
+}
+
+
+void Midi::sendNote(int status, int note, int vel) {
+	for (int i = 0; i < midihout.size(); i++) if (midihout[i] != NULL) {
+		midiOutShortMsg(midihout[i], status + (note << 8) + (vel << 16));
+	}
+}
+
+void Midi::noteReceived(int status, int note, int velocity) {
+	if (status >= 0x0a0) return;			// NOTE: only sending note-on and note-off to Javascript
+
+	QVariantMap eventData;
+	eventData["status"] = status;
+	eventData["note"] = note;
+	eventData["velocity"] = velocity;
+	emit midiNote(eventData);
+}
+
+
+void Midi::MidiSetup() {
+	midihin.clear();
+	midihout.clear();
+
+	MIDIINCAPS incaps;
+	for (unsigned int i = 0; i < midiInGetNumDevs(); i++) {
+		midiInGetDevCaps(i, &incaps, sizeof(MIDIINCAPS));
+
+		bool found = false;
+		for (int j = 0; j < midiinexclude.size(); j++) {
+			if (lstrcmp(midiinexclude[j].toStdString().c_str(), incaps.szPname) == 0) found = true;
+		}
+		if (!found)			// EXCLUDE AN INPUT BY NAME
+		{
+			HMIDIIN tmphin;
+			midiInOpen(&tmphin, i, (DWORD_PTR)MidiInProc, NULL, CALLBACK_FUNCTION);
+			midiInStart(tmphin);
+			midihin.push_back(tmphin);
+		}
+
+	}
+
+	MIDIOUTCAPS outcaps;
+	for (unsigned int i = 0; i < midiOutGetNumDevs(); i++) {
+		midiOutGetDevCaps(i, &outcaps, sizeof(MIDIINCAPS));
+
+		bool found = false;
+		for (int j = 0; j < midioutexclude.size(); j++) {
+			if (lstrcmp(midioutexclude[j].toStdString().c_str(), outcaps.szPname) == 0) found = true;
+		}
+		if (!found)			// EXCLUDE AN OUTPUT BY NAME
+		{
+			HMIDIOUT tmphout;
+			midiOutOpen(&tmphout, i, (DWORD_PTR)MidiOutProc, NULL, CALLBACK_FUNCTION);
+			midihout.push_back(tmphout);
+		}
+	}
+
+	sendNote(0xb0, 0x7b, 0);		// all notes off
+}
+
+void Midi::MidiCleanup() {
+	sendNote(0xb0, 0x7b, 0);		// all notes off
+
+	for (int i = 0; i < midihin.size(); i++) if (midihin[i] != NULL) {
+		midiInStop(midihin[i]);
+		midiInClose(midihin[i]);
+	}
+	for (int i = 0; i < midihout.size(); i++) if (midihout[i] != NULL) {
+		midiOutClose(midihout[i]);
+	}
+	midihin.clear();
+	midihout.clear();
+}
+#endif
+
+//
+
+Midi::Midi() {
+	instance = this;
+	midioutexclude.push_back("Microsoft GS Wavetable Synth");		// we don't want to hear this thing
+	MidiSetup();
+}
+
+void Midi::playMidiNote(int status, int note, int velocity) {
+	sendNote(status, note, velocity);
+}
+
+void Midi::allNotesOff() {
+	sendNote(0xb0, 0x7b, 0);		// all notes off
+}
+
+void Midi::resetDevices() {
+	MidiCleanup();
+	MidiSetup();
+}
+
+void Midi::USBchanged() {
+	instance->MidiCleanup();
+	instance->MidiSetup();
+}
+
+//
+
+QStringList Midi::listMidiDevices(bool output) {
+	QStringList rv;
+	if (output) {
+		MIDIOUTCAPS outcaps;
+		for (unsigned int i = 0; i < midiOutGetNumDevs(); i++) {
+			midiOutGetDevCaps(i, &outcaps, sizeof(MIDIINCAPS));
+			rv.append(outcaps.szPname);
+		}
+	}
+	else {
+		MIDIINCAPS incaps;
+		for (unsigned int i = 0; i < midiInGetNumDevs(); i++) {
+			midiInGetDevCaps(i, &incaps, sizeof(MIDIINCAPS));
+			rv.append(incaps.szPname);
+		}
+	}
+	return rv;
+}
+
+void Midi::unblockMidiDevice(QString name, bool output) {
+	if (output) {
+		for (int i = 0; i < midioutexclude.size(); i++) if (midioutexclude[i].toStdString().compare(name.toStdString()) == 0) {
+			midioutexclude.erase(midioutexclude.begin() + i);
+			break;
+		}
+	}
+	else {
+		for (int i = 0; i < midiinexclude.size(); i++) if (midiinexclude[i].toStdString().compare(name.toStdString()) == 0) {
+			midiinexclude.erase(midiinexclude.begin() + i);
+			break;
+		}
+	}
+}
+
+void Midi::blockMidiDevice(QString name, bool output) {
+	unblockMidiDevice(name, output);		// make sure it's only in there once
+	if (output) {
+		midioutexclude.push_back(name);
+	}
+	else {
+		midiinexclude.push_back(name);
+	}
+}
+

libraries/midi/src/Midi.h

@@ -0,0 +1,68 @@
+//
+//  Midi.h
+//  libraries/midi/src
+//
+//  Created by Burt Sloane
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_Midi_h
+#define hifi_Midi_h
+
+#include <QtCore/QObject>
+#include <QAbstractNativeEventFilter>
+#include <DependencyManager.h>
+
+#include <vector>
+#include <string>
+
+class Midi : public QObject, public Dependency {
+    Q_OBJECT
+    SINGLETON_DEPENDENCY
+    
+public:
+	Midi();
+
+public:
+	void noteReceived(int status, int note, int velocity);	// relay a note to Javascript
+	void sendNote(int status, int note, int vel);			// relay a note to MIDI outputs
+	static void USBchanged();
+
+private:
+	static std::vector<QString> midiinexclude;
+	static std::vector<QString> midioutexclude;
+
+private:
+	void MidiSetup();
+	void MidiCleanup();
+
+signals:
+	void midiNote(QVariantMap eventData);
+
+public slots:
+/// play a note on all connected devices
+/// @param {int} status: 0x80 is noteoff, 0x90 is noteon (if velocity=0, noteoff), etc
+/// @param {int} note: midi note number
+/// @param {int} velocity: note velocity (0 means noteoff)
+Q_INVOKABLE void playMidiNote(int status, int note, int velocity);
+
+/// turn off all notes on all connected devices
+Q_INVOKABLE void allNotesOff();
+
+/// clean up and re-discover attached devices
+Q_INVOKABLE void resetDevices();
+
+/// ask for a list of inputs/outputs
+Q_INVOKABLE QStringList listMidiDevices(bool output);
+
+/// block an input/output by name
+Q_INVOKABLE void blockMidiDevice(QString name, bool output);
+
+/// unblock an input/output by name
+Q_INVOKABLE void unblockMidiDevice(QString name, bool output);
+};
+
+#endif // hifi_Midi_h

libraries/script-engine/src/ScriptEngine.cpp

@@ -76,6 +76,7 @@
 
 #include <Profile.h>
 
+#include "../../midi/src/Midi.h"		// FIXME why won't a simpler include work?
 #include "MIDIEvent.h"
 
 const QString ScriptEngine::_SETTINGS_ENABLE_EXTENDED_EXCEPTIONS {
@@ -662,6 +663,8 @@ void ScriptEngine::init() {
 
     registerGlobalObject("Audio", DependencyManager::get<AudioScriptingInterface>().data());
 
+	registerGlobalObject("Midi", DependencyManager::get<Midi>().data());
+
     registerGlobalObject("Entities", entityScriptingInterface.data());
     registerGlobalObject("Quat", &_quatLibrary);
     registerGlobalObject("Vec3", &_vec3Library);

libraries/shared/src/USBEventListener.cpp

@@ -0,0 +1,48 @@
+//
+//  USBEventListener.cpp
+//  libraries/shared/src
+//
+//  Created by Ryan Huffman on 09/03/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "USBEventListener.h"
+
+#ifdef Q_OS_WIN
+#include <Windows.h>
+#else
+#include <csignal>
+#endif
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+
+USBEventListener& USBEventListener::getInstance() {
+	static USBEventListener staticInstance;
+    return staticInstance;
+}
+
+void signalHandler(int param) {
+    // tell the qApp it should quit
+    QMetaObject::invokeMethod(qApp, "quit");
+}
+
+USBEventListener::USBEventListener(QObject* parent) : QObject(parent) {
+#ifndef Q_OS_WIN
+#endif
+}
+
+
+bool USBEventListener::nativeEventFilter(const QByteArray &eventType, void* msg, long* result) {
+#ifdef Q_OS_WIN
+    if (eventType == "windows_generic_MSG") {
+        MSG* message = (MSG*)msg;
+        if (message->message == WM_DEVICECHANGE) {
+        }
+    }
+#endif
+    return false;
+}

libraries/shared/src/USBEventListener.h

@@ -0,0 +1,28 @@
+//
+//  USBEventListener.h
+//  libraries/midi
+//
+//  Created by Burt Sloane
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_USBEventListener_h
+#define hifi_USBEventListener_h
+
+#include <QObject>
+#include <QAbstractNativeEventFilter>
+
+class USBEventListener : public QObject, public QAbstractNativeEventFilter {
+    Q_OBJECT
+public:
+	static USBEventListener& getInstance();
+
+    virtual bool nativeEventFilter(const QByteArray& eventType, void* message, long* result) override;
+private:
+	USBEventListener(QObject* parent = 0);
+};
+
+#endif // hifi_USBEventListener_h

scripts/tutorials/createMidiSphere.js

@@ -0,0 +1,49 @@
+//
+//  Created by James B. Pollack @imgntn on April 18, 2016.
+//  Adapted by Burt
+//  Copyright 2016 High Fidelity, Inc.
+//
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var SCRIPT_URL =  "file:///e:/hifi/scripts/tutorials/entity_scripts/midiSphere.js";
+var center = Vec3.sum(MyAvatar.position, Vec3.multiply(0.5, Quat.getForward(Camera.getOrientation())));
+
+var BALL_GRAVITY = {
+    x: 0,
+    y: 0,
+    z: 0
+};
+
+var BALL_DIMENSIONS = {
+    x: 0.4,
+    y: 0.4,
+    z: 0.4
+};
+
+
+var BALL_COLOR = {
+    red: 255,
+    green: 0,
+    blue: 0
+};
+
+var midiSphereProperties = {
+    name: 'MIDI Sphere',
+    shapeType: 'sphere',
+    type: 'Sphere',
+	script: SCRIPT_URL,
+    color: BALL_COLOR,
+    dimensions: BALL_DIMENSIONS,
+    gravity: BALL_GRAVITY,
+    dynamic: false,
+    position: center,
+	collisionless: false,
+	ignoreForCollisions: true
+};
+
+var midiSphere = Entities.addEntity(midiSphereProperties);
+
+Script.stop();

scripts/tutorials/entity_scripts/midiSphere.js

@@ -0,0 +1,52 @@
+//  midiSphere.js
+//
+//  Script Type: Entity
+//  Created by James B. Pollack @imgntn on 9/21/2015
+//  Adapted by Burt
+//  Copyright 2015 High Fidelity, Inc.
+//  
+//  This script listens to MIDI and makes the ball change color.
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+(function() {
+    var _this;
+
+    function MidiSphere() {
+        _this = this;
+		this.clicked = false;
+		return;
+    }
+	
+    MidiSphere.prototype = {
+        preload: function(entityID) {
+            this.entityID = entityID;
+			Midi.midiNote.connect(function(eventData) {
+				print("MidiSphere.noteReceived: "+JSON.stringify(eventData));
+	            Entities.editEntity(entityID, { color: { red: 2*eventData.note, green: 2*eventData.note, blue: 2*eventData.note} });
+			});
+			print("MidiSphere.preload");
+        },
+        unload: function(entityID) {
+			print("MidiSphere.unload");
+        },
+
+	    clickDownOnEntity: function(entityID, mouseEvent) { 
+			print("MidiSphere.clickDownOnEntity");
+	        if (this.clicked) {
+	            Entities.editEntity(entityID, { color: { red: 0, green: 255, blue: 255} });
+	            this.clicked = false;
+				Midi.playMidiNote(144, 64, 0);
+	        } else {
+	            Entities.editEntity(entityID, { color: { red: 255, green: 255, blue: 0} });
+	            this.clicked = true;
+				Midi.playMidiNote(144, 64, 100);
+	        }
+	    }
+
+    };
+
+    // entity scripts should return a newly constructed object of our type
+    return new MidiSphere();
+});