LJ/libs3/midi3.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-

"""
Midi3
v0.7.0

Midi Handler : 

- Hook to the MIDI host
- Enumerate connected midi devices and spawn a process/device to handle incoming events
- Provide sending functions to 
    - found midi devices with IN port
    - OSC targets /noteon /noteoff /cc (see midi2OSC).
- Launchpad mini led matrix from/to, see launchpad.py
- Bhoreal led matrix from/to, see bhoreal.py


todo :

Midi macros : plusieurs parametres evoluant les uns apres les autres ou en meme temps.
cadence

by Sam Neurohack 
from /team/laser

for python 2 & 3

Laser selection 
one universe / laser

Plugin selection 
bank change/scene/


"""


import time

import rtmidi
from rtmidi.midiutil import open_midiinput 
from threading import Thread
from rtmidi.midiconstants import (CHANNEL_PRESSURE, CONTROLLER_CHANGE, NOTE_ON, NOTE_OFF,
                                  PITCH_BEND, POLY_PRESSURE, PROGRAM_CHANGE)
import mido
from mido import MidiFile
import traceback
import weakref
import sys
from sys import platform

from libs3 import gstt 

from libs3 import bhoreal, launchpad, LPD8, beatstep
from queue import Queue
from OSC3 import OSCServer, OSCClient, OSCMessage


midiname = ["Name"] * 16
midiport = [rtmidi.MidiOut() for i in range(16) ]

OutDevice = [] 
InDevice = []

# max 16 midi port array 

midinputsname = ["Name"] * 16
midinputsqueue = [Queue() for i in range(16) ]
midinputs = []


BhorealMidiName = "Bhoreal"
LaunchMidiName = "Launch"

BhorealPort, Midi1Port, Midi2Port, VirtualPort, MPort = -1,-1,-1, -1, -1
VirtualName = "LaunchPad Mini"
Mser = False

# Myxolidian 3 notes chords list
Myxo = [(59,51,54),(49,52,56),(49,52,56),(51,54,57),(52,56,59),(52,56,59),(54,57,48),(57,49,52)]
MidInsNumber = 0


clock = mido.Message(type="clock")

start = mido.Message(type ="start")
stop = mido.Message(type ="stop")
ccontinue = mido.Message(type ="continue")
reset = mido.Message(type ="reset")
songpos = mido.Message(type ="songpos")

mode = "maxwell"

'''
print("clock",clock)
print("start",start)
print("continue", ccontinue)
print("reset",reset)
print("sonpos",songpos)
'''

try:
    input = raw_input
except NameError:
    # Python 3
    StandardError = Exception


STATUS_MAP = {
    'noteon': NOTE_ON,
    'noteoff': NOTE_OFF,
    'programchange': PROGRAM_CHANGE,
    'controllerchange': CONTROLLER_CHANGE,
    'pitchbend': PITCH_BEND,
    'polypressure': POLY_PRESSURE,
    'channelpressure': CHANNEL_PRESSURE
}

# OSC targets list
midi2OSC = {
      "lj": {"oscip": "127.0.0.1", "oscport": 8002, "notes": False, "msgs": False},
      "nozoid": {"oscip": "127.0.0.1", "oscport": 8003, "notes": False, "msgs": False},
      "dump": {"oscip": "127.0.0.1", "oscport": 8040, "notes": True, "msgs": True},
      "maxwell": {"oscip": "127.0.0.1", "oscport": 8012, "notes": True, "msgs": True}
      }

notes = ["C","C#","D","D#","E","F","F#","G","G#","A","A#","B"]
def midi2note(midinote):

    print("midinote",midinote, "note", notes[midinote%12]+str(round(midinote/12)))
    return notes[midinote%12]+str(round(midinote/12))


#mycontroller.midiport[LaunchHere].send_message([CONTROLLER_CHANGE, LaunchTop[number-1], color])

def send(msg,device):

    '''
    # if device is the midi name
    if device in midiname:
        deviceport = midiname.index(device)
        midiport[deviceport].send_message(msg)
    '''
    if device == "Launchpad":
        #print LaunchHere
        midiport[launchpad.Here].send_message(msg)

    if device == "Bhoreal":
        midiport[bhoreal.Here].send_message(msg)

# mididest : all, launchpad, bhoreal, specificname
def NoteOn(note,color, mididest):
    global MidInsNumber
 
    gstt.note = note
    gstt.velocity = color
    
    for port in range(MidInsNumber):

        # To Launchpad, if present.
        if mididest == "launchpad" and midiname[port].find(LaunchMidiName) == 0:
            launchpad.PadNoteOn(note%64,color)

        # To Bhoreal, if present.
        elif mididest == "bhoreal" and midiname[port].find(BhorealMidiName) == 0:
            gstt.BhorLeds[note%64]=color
            midiport[port].send_message([NOTE_ON, note%64, color])
            #bhorosc.sendosc("/bhoreal", [note%64 , 0])

        # To mididest
        elif midiname[port].find(mididest) == 0:
            midiport[port].send_message([NOTE_ON, note, color])

        # To All 
        elif mididest == "all" and midiname[port].find(mididest) != 0 and  midiname[port].find(BhorealMidiName) != 0 and midiname[port].find(LaunchMidiName) != 0:
            midiport[port].send_message([NOTE_ON, note, color])

        #virtual.send_message([NOTE_ON, note, color])

    for OSCtarget in midi2OSC:
        if (OSCtarget == mididest or mididest == 'all') and midi2OSC[OSCtarget]["notes"]:
            OSCsend(OSCtarget, "/noteon", [note, color])

# mididest : all, launchpad, bhoreal, specificname 
def NoteOff(note, mididest):
    global MidInsNumber

    gstt.note = note
    gstt.velocity = 0

    for port in range(MidInsNumber):

        # To Launchpad, if present.
        if mididest == "launchpad" and midiname[port].find(LaunchMidiName) == 0:
            launchpad.PadNoteOff(note%64)

        # To Bhoreal, if present.
        elif mididest == "bhoreal" and midiname[port].find(BhorealMidiName) == 0:
            midiport[port].send_message([NOTE_OFF, note%64, 0])
            gstt.BhorLeds[note%64] = 0
            #bhorosc.sendosc("/bhoreal", [note%64 , 0])

        # To mididest
        elif midiname[port].find(mididest) != -1:
            midiport[port].send_message([NOTE_OFF, note, 0])

        # To All 
        elif mididest == "all" and midiname[port].find(mididest) == -1 and  midiname[port].find(BhorealMidiName) == -1 and midiname[port].find(LaunchMidiName) == -1:
                midiport[port].send_message([NOTE_OFF, note, 0])
        
        #virtual.send_message([NOTE_OFF, note, 0])

    for OSCtarget in midi2OSC:
        if (OSCtarget == mididest or mididest == 'all') and midi2OSC[OSCtarget]["notes"]:
            OSCsend(OSCtarget, "/noteoff", note)


# mididest : all or specifiname, won't be sent to launchpad or Bhoreal.
def MidiMsg(midimsg, mididest):
    #print("midi3 got MidiMsg", midimsg, "Dest", mididest)

    desterror = -1
    for port in range(MidInsNumber):
        #print("port",port,"midiname", midiname[port])
        
        # To mididest
        if midiname[port].find(mididest) != -1:
            #print("midi 3 sending to name", midiname[port], "port", port, ":", midimsg)
            midiport[port].send_message(midimsg)
            desterror = 0

        # To All 
        elif mididest == "all" and midiname[port].find(mididest) == -1 and  midiname[port].find(BhorealMidiName) == -1 and midiname[port].find(LaunchMidiName) == -1 and midiname[port].find(DJName) == -1:
            #print("all sending to port",port,"name", midiname[port])
            midiport[port].send_message(midimsg)
            desterror = 0

    for OSCtarget in midi2OSC:
        if (OSCtarget == mididest or mididest == 'all') and midi2OSC[OSCtarget]["msgs"]:
             OSCsend(OSCtarget, "/cc", [midimsg[1], midimsg[2]])
             desterror = 0

    if desterror == -1:
        print ("** This midi or OSC destination doesn't exists **")


def OSCsend(name, oscaddress, oscargs =''):


    ip = midi2OSC[name]["oscip"]
    port = midi2OSC[name]["oscport"]
    osclient = OSCClient()
    osclient.connect((ip, port)) 
    oscmsg = OSCMessage()
    oscmsg.setAddress(oscaddress)
    oscmsg.append(oscargs)

    try:
        if gstt.debug > 0:
            print("Midi OSCSend : sending", oscmsg,"to", name, "at", ip , ":", port)
        
        osclient.sendto(oscmsg, (ip, port))
        oscmsg.clearData()   
        return True

    except:
        if gstt.debug > 0:
            print('Midi OSCSend : Connection to IP', ip ,':', port,'refused : died ?')
        #sendWSall("/status No plugin.")
        #sendWSall("/status " + name + " is offline")
        #sendWSall("/" + name + "/start 0")
        #PluginStart(name)
        return False

def Webstatus(message):
    OSCsend("lj","/status", message)

#
# MIDI Startup and handling
#
      
mqueue  = Queue()
inqueue = Queue()

#
# Events from Generic MIDI Handling
#
'''
def midinProcess(midiqueue):

    midiqueue_get = midiqueue.get
    while True:
        msg = midiqueue_get()
        print("midin ", msg)
        time.sleep(0.001)
'''
# Event from Bhoreal or Launchpad
# Or it could be the midinprocess in launchpad.py or bhoreal.py
def MidinProcess(inqueue, portname):

    inqueue_get = inqueue.get
    mididest = "to Maxwell 1"
    while True:
        time.sleep(0.001)
        msg = inqueue_get()
        #print("Midinprocess", msg[0])
        
        # Note On
        if msg[0]==NOTE_ON:
            print ("from", portname, "noteon", msg[1])
            # NoteOn(msg[1],msg[2],mididest)
                
        # Note Off
        if msg[0]==NOTE_OFF:
            print("from", portname,"noteoff")
            # NoteOff(msg[1],msg[2], mididest)
                
        # Midi CC message          
        if msg[0] == CONTROLLER_CHANGE:
            print("from", portname,"CC :", msg[1], msg[2])


        # other midi message  
        if msg[0] != NOTE_OFF and  msg[0] != NOTE_ON and msg[0] != CONTROLLER_CHANGE:
            print("from", portname,"other midi message")
            MidiMsg(msg[0],msg[1],msg[2],mididest)
            # Webstatus(''.join(("msg : ",msg[0],"  ",msg[1],"  ",msg[2])))

       
# Generic call back : new msg forwarded to queue 
class AddQueue(object):
    def __init__(self, portname, port):
        self.portname = portname
        self.port = port
        #print("AddQueue", port)
        self._wallclock = time.time()

    def __call__(self, event, data=None):
        message, deltatime = event
        self._wallclock += deltatime
        #print("inqueue : [%s] @%0.6f %r" % ( self.portname, self._wallclock, message))
        midinputsqueue[self.port].put(message)


#    
# MIDI OUT Handling
#


class OutObject():

    _instances = set()
    counter = 0

    def __init__(self, name, kind, port):

        self.name = name
        self.kind = kind
        self.port = port
        
        self._instances.add(weakref.ref(self))
        OutObject.counter += 1

        print(self.name, "kind", self.kind, "port", self.port)

    @classmethod
    def getinstances(cls):
        dead = set()
        for ref in cls._instances:
            obj = ref()
            if obj is not None:
                yield obj
            else:
                dead.add(ref)
        cls._instances -= dead

    def __del__(self):
        OutObject.counter -= 1



def OutConfig():
    global midiout, MidInsNumber
    
    # 
    if len(OutDevice) == 0:
        #print("")
        print("MIDIout...")
        print("List and attach to available devices on host with IN port :")
    
        # Display list of available midi IN devices on the host, create and start an OUT instance to talk to each of these Midi IN devices 
        midiout = rtmidi.MidiOut()
        available_ports = midiout.get_ports()
    
        for port, name in enumerate(available_ports):
    
            midiname[port]=name
            midiport[port].open_port(port)
            #print("Will send to [%i] %s" % (port, name))
            #MidIns[port][1].open_port(port)
                
            # Search for a Bhoreal
            if name.find(BhorealMidiName) == 0:
                
                OutDevice.append(OutObject(name, "bhoreal", port))
                print("Bhoreal start animation")
                bhoreal.Here = port
                bhoreal.StartBhoreal(port)
                time.sleep(0.2)
    
            # Search for a LaunchPad
            elif name.find(LaunchMidiName) == 0:
                
                OutDevice.append(OutObject(name, "launchpad", port))
                print("Launchpad mini start animation")
                launchpad.Here = port
                launchpad.Start(port)
                time.sleep(0.2)

            # Search for a LPD8
            elif name.find('LPD8') == 0:
                
                OutDevice.append(OutObject(name, "LPD8", port))
                #print("LPD8 mini start animation")
                LPD8.Here = port
                #LPD8.StartLPD8(port)
                time.sleep(0.2)

            # Search for a Guitar Wing
            elif name.find("Livid") == 0:
                OutDevice.append(OutObject(name, "livid", port))
                print("Livid Guitar Wing start animation")
                gstt.WingHere = port
                print(gstt.WingHere)
                
                #guitarwing.StartWing(port)
                time.sleep(0.2)    
            else:
                
                OutDevice.append(OutObject(name, "generic", port))
    
        #print("")      
        print(len(OutDevice), "Out devices")
        #ListOutDevice()
        MidInsNumber = len(OutDevice)+1

def ListOutDevice():

    for item in OutObject.getinstances():

        print(item.name)

def FindOutDevice(name):

    port = -1
    for item in OutObject.getinstances():
        #print("searching", name, "in", item.name)
        if name == item.name:
            #print('found port',item.port)
            port = item.port
    return port


def DelOutDevice(name):

    Outnumber = Findest(name)
    print('deleting OutDevice', name)

    if Outnumber != -1:
        print('found OutDevice', Outnumber)
        delattr(OutObject, str(name))
        print("OutDevice", Outnumber,"was removed")
    else:
        print("OutDevice was not found")



#    
# MIDI IN Handling 
# Create processing thread and queue for each device
#

class InObject():

    _instances = set()
    counter = 0

    def __init__(self, name, kind, port, rtmidi):

        self.name = name
        self.kind = kind
        self.port = port
        self.rtmidi = rtmidi
        self.queue = Queue()
        
        self._instances.add(weakref.ref(self))
        InObject.counter += 1

        #print("Adding InDevice name", self.name, "kind", self.kind, "port", self.port,"rtmidi", self.rtmidi, "Queue", self.queue)

    @classmethod
    def getinstances(cls):
        dead = set()
        for ref in cls._instances:
            obj = ref()
            if obj is not None:
                yield obj
            else:
                dead.add(ref)
        cls._instances -= dead

    def __del__(self):
        InObject.counter -= 1


def InConfig():

    print("")
    print("MIDIin...")
    print("List and attach to available devices on host with OUT port :")

    if platform == 'darwin':
        mido.set_backend('mido.backends.rtmidi/MACOSX_CORE')

    genericnumber = 0

    for port, name in enumerate(mido.get_input_names()):

        #print()
        # Maxwell midi IN & OUT port names are different 
        
        if name.find("from ") == 0:
            #print ("name",name)
            name = "to "+name[5:]
            #print ("corrected to",name)

        outport = FindOutDevice(name)
        midinputsname[port]=name
        
        #print("name",name, "Port",port, "Outport", outport)
        
        '''
        # New Bhoreal found ?
        if name.find(BhorealMidiName) == 0:

            try:
                bhorealin, port_name = open_midiinput(outport) # weird rtmidi call port number is not the same in mido enumeration and here

                BhoreralDevice = InObject(port_name, "bhoreal", outport, bhorealin)
                print("BhorealDevice.queue",BhoreralDevice.queue )
                # thread launch to handle all queued MIDI messages from Bhoreal device    
                thread = Thread(target=bhoreal.MidinProcess, args=(bhoreal.bhorqueue,))
                thread.setDaemon(True)
                thread.start()
                print("Attaching MIDI in callback handler to Bhoreal : ",  name, "port", port, "portname", port_name)
                BhoreralDevice.rtmidi.set_callback(bhoreal.AddQueue(port_name))
            except Exception:
                traceback.print_exc()

        '''
        # Old Bhoreal found ?
        if name.find(BhorealMidiName) == 0:

            try:
                bhorealin, port_name = open_midiinput(outport) # weird rtmidi call port number is not the same in mido enumeration and here
            except (EOFError, KeyboardInterrupt):
                sys.exit

            #midinputs.append(bhorealin)
            InDevice.append(InObject(name, "bhoreal", outport, bhorealin))
            # thread launch to handle all queued MIDI messages from Bhoreal device    

            thread = Thread(target=bhoreal.MidinProcess, args=(bhoreal.bhorqueue,))
            #thread = Thread(target=bhoreal.MidinProcess, args=(InDevice[port].queue,))
            thread.setDaemon(True)
            thread.start()
            #print("midinputs[port]", midinputs[port])
            print(name)
            InDevice[port].rtmidi.set_callback(bhoreal.AddQueue(name))
            #midinputs[port].set_callback(bhoreal.AddQueue(name))

        '''

        # New LaunchPad Mini Found ?
        if name.find(LaunchMidiName) == 0:
   
            
            try:
                launchin, port_name = open_midiinput(outport)
            except (EOFError, KeyboardInterrupt):
                sys.exit()

            LaunchDevice = InObject(port_name, "launchpad", outport, launchin)
            thread = Thread(target=launchpad.MidinProcess, args=(launchpad.launchqueue,))
            thread.setDaemon(True)
            thread.start()
            print("Attaching MIDI in callback handler to Launchpad : ", name, "port", port, "portname", port_name)
            LaunchDevice.rtmidi.set_callback(launchpad.LaunchAddQueue(name))

        '''
 
        # Old LaunchPad Mini Found ?
        if name.find(LaunchMidiName) == 0:
   
            
            try:
                launchin, port_name = open_midiinput(outport)
            except (EOFError, KeyboardInterrupt):
                sys.exit()
            #midinputs.append(launchin)
            InDevice.append(InObject(name, "launchpad", outport, launchin))

            thread = Thread(target=launchpad.MidinProcess, args=(launchpad.launchqueue,))
            #thread = Thread(target=launchpad.MidinProcess, args=(InDevice[port].queue,))
            thread.setDaemon(True)
            thread.start()
            print(name, "port", port, "portname", port_name)
            InDevice[port].rtmidi.set_callback(launchpad.LaunchAddQueue(name))
            #launchin.set_callback(launchpad.LaunchAddQueue(name))

 
        # LPD8 Found ?
        if name.find('LPD8') == 0:
   
            print()
            print('LPD8 Found..')
            
            try:
                LPD8in, port_name = open_midiinput(outport)
            except (EOFError, KeyboardInterrupt):
                sys.exit()
            #midinputs.append(LPD8in)
            InDevice.append(InObject(name, "LPD8", outport, LPD8in))
            print ("Launching LPD8 thread..")
            thread = Thread(target=LPD8.MidinProcess, args=(LPD8.LPD8queue,))
            #thread = Thread(target=LPD8.MidinProcess, args=(InDevice[port].queue,))
            thread.setDaemon(True)
            thread.start()
            print(name, "port", port, "portname", port_name)
            InDevice[port].rtmidi.set_callback(LPD8.LPD8AddQueue(name))
  

        # Everything that is not Bhoreal or Launchpad
        if name.find(BhorealMidiName) != 0 and name.find(LaunchMidiName) != 0 and name.find('LPD8') != 0:

            try:
                #print (name, name.find("RtMidi output"))
                if name.find("RtMidi output") > -1:
                    print("No thread started for device", name)
                else:
                    portin = object
                    port_name = ""
                    portin, port_name = open_midiinput(outport)
                    #midinputs.append(portin)
                    InDevice.append(InObject(name, "generic", outport, portin))
                    
                    thread = Thread(target=MidinProcess, args=(midinputsqueue[port],port_name))
                    thread.setDaemon(True)
                    thread.start() 

                    print(name, "port", port, "portname", port_name)
                    #midinputs[port].set_callback(AddQueue(name),midinputsqueue[port])
                    #midinputs[port].set_callback(AddQueue(name))
                    #genericnumber += 1
                    InDevice[port].rtmidi.set_callback(AddQueue(name,port))

            except Exception:
                traceback.print_exc()
                        
    #print("")      
    print(InObject.counter, "In devices")
    #ListInDevice()


def ListInDevice():

    for item in InObject.getinstances():

        print(item.name)

def FindInDevice(name):

    port = -1
    for item in InObject.getinstances():
        #print("searching", name, "in", item.name)
        if name in item.name:
            #print('found port',item.port)
            port = item.port
    return port


def DelInDevice(name):

    Innumber = Findest(name)
    print('deleting InDevice', name)

    if Innumber != -1:
        print('found InDevice', Innumber)
        delattr(InObject, str(name))
        print("InDevice", Innumber,"was removed")
    else:
        print("InDevice was not found")


        # all other devices

        '''
        

        port = mido.open_ioport(name,callback=AddQueue(name))
        
        This doesn't work on OS X on French system "Réseau Session" has a bug with accent.
        Todo : stop using different midi framework.
        
        if name.find(BhorealMidiName) != 0 and name.find(LaunchMidiName) != 0:
            thread = Thread(target=midinProcess, args=(midinputsqueue[port],))
            thread.setDaemon(True)
            thread.start()    
            try:
                port = mido.open_ioport(name,callback=AddQueue(name))
                #port_port, port_name = open_midiinput(port)
            except (EOFError, KeyboardInterrupt):
                sys.exit()

            #midinputs.append(port_port)
            print "Attaching MIDI in callback handler to : ", name
            #midinputs[port].set_callback(AddQueue(name))
            #MIDInport = mido.open_ioport("Laser",virtual=True,callback=MIDIn)
            
        '''

def End():
    global midiout
    
    #midiin.close_port()
    midiout.close_port()
  
    #del virtual
    if launchpad.Here != -1:
        del launchpad.Here
    if bhoreal.Here  != -1:
        del bhoreal.Here
    if LPD8.Here  != -1:
        del LPD8.Here


def listdevice(number):
	
	return midiname[number]
	
def check():

    OutConfig()
    InConfig()
    
    #return listdevice(255)