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sam 2020-05-02 02:38:06 +02:00
parent 98f039b2ee
commit 012bef55b1
11 changed files with 435 additions and 171 deletions
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151
libs/midi3.py
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@ -1,3 +1,4 @@
#!/usr/bin/python3
# -*- coding: utf-8 -*-
@ -13,6 +14,8 @@ Midi Handler :
by Sam Neurohack
from /team/laser
Midi conversions from https://github.com/craffel/pretty-midi
"""
@ -32,6 +35,7 @@ import weakref
import sys
from sys import platform
import os
import re
is_py2 = sys.version[0] == '2'
@ -103,13 +107,90 @@ STATUS_MAP = {
}
def GetTime():
return time.strftime("%a, %d %b %Y %H:%M:%S", time.localtime())
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)))
print(GetTime(),"midinote",midinote, "note", notes[midinote%12]+str(round(midinote/12)))
return notes[midinote%12]+str(round(midinote/12))
def note2midi(note_name):
"""Converts a note name in the format
``'(note)(accidental)(octave number)'`` (e.g. ``'C#4'``) to MIDI note
number.
``'(note)'`` is required, and is case-insensitive.
``'(accidental)'`` should be ``''`` for natural, ``'#'`` for sharp and
``'!'`` or ``'b'`` for flat.
If ``'(octave)'`` is ``''``, octave 0 is assumed.
Parameters
----------
note_name : str
A note name, as described above.
Returns
-------
note_number : int
MIDI note number corresponding to the provided note name.
Notes
-----
Thanks to Brian McFee.
"""
# Map note name to the semitone
pitch_map = {'C': 0, 'D': 2, 'E': 4, 'F': 5, 'G': 7, 'A': 9, 'B': 11}
# Relative change in semitone denoted by each accidental
acc_map = {'#': 1, '': 0, 'b': -1, '!': -1}
# Reg exp will raise an error when the note name is not valid
try:
# Extract pitch, octave, and accidental from the supplied note name
match = re.match(r'^(?P<n>[A-Ga-g])(?P<off>[#b!]?)(?P<oct>[+-]?\d+)$',
note_name)
pitch = match.group('n').upper()
offset = acc_map[match.group('off')]
octave = int(match.group('oct'))
except:
raise ValueError('Improper note format: {}'.format(note_name))
# Convert from the extrated ints to a full note number
return 12*(octave + 1) + pitch_map[pitch] + offset
def hz2midi(frequency):
"""Convert a frequency in Hz to a (fractional) note number.
Parameters
----------
frequency : float
Frequency of the note in Hz.
Returns
-------
note_number : float
MIDI note number, can be fractional.
"""
# MIDI note numbers are defined as the number of semitones relative to C0
# in a 440 Hz tuning
return 12*(np.log2(frequency) - np.log2(440.0)) + 69
def midi2hz(note_number):
"""Convert a (fractional) MIDI note number to its frequency in Hz.
Parameters
----------
note_number : float
MIDI note number, can be fractional.
Returns
-------
note_frequency : float
Frequency of the note in Hz.
"""
# MIDI note numbers are defined as the number of semitones relative to C0
# in a 440 Hz tuning
return 440.0*(2.0**((note_number - 69)/12.0))
# Send through websocket.
# Different websocket library for client (websocket) or server (websocket_server.
# ws object is added here by main.py or client.py startup : midi3.ws =
@ -139,7 +220,7 @@ def MidinProcess(inqueue, portname):
time.sleep(0.001)
msg = inqueue_get()
print("")
print("Generic from", portname,"msg : ", msg)
print(GetTime(),"Generic from", portname,"msg : ", msg)
# Noteon message on all midi channels
@ -148,9 +229,9 @@ def MidinProcess(inqueue, portname):
MidiChannel = msg[0]-144
MidiNote = msg[1]
MidiVel = msg[2]
print("NOTE ON :", MidiNote, 'velocity :', MidiVel, "Channel", MidiChannel)
print(GetTime(),"NOTE ON :", MidiNote, 'velocity :', MidiVel, "Channel", MidiChannel)
#NoteOn(msg[1],msg[2],mididest)
print("Midi in process send /"+findJamName(portname, MidiChannel)+"/noteon "+str(msg[1])+" "+str(msg[2]))
print(GetTime(),"Midi in process send /"+findJamName(portname, MidiChannel)+"/noteon "+str(msg[1])+" "+str(msg[2]))
wssend("/"+findJamName(portname, MidiChannel)+"/noteon "+str(msg[1])+" "+str(msg[2]))
'''
@ -174,15 +255,15 @@ def MidinProcess(inqueue, portname):
# Note Off or Note with 0 velocity on all midi channels
if NOTE_OFF -1 < msg[0] < 145 or (NOTE_OFF -1 < msg[0] < 160 and msg[2] == 0):
print(NOTE_OFF)
print(GetTime(),"NOTE_OFF :",NOTE_OFF)
if msg[0] > 143:
MidiChannel = msg[0]-144
else:
MidiChannel = msg[0]-128
print("NOTE OFF :", MidiNote, 'velocity :', MidiVel, "Channel", MidiChannel)
print(GetTime(),"NOTE OFF :", MidiNote, 'velocity :', MidiVel, "Channel", MidiChannel)
#NoteOff(msg[1],msg[2], mididest)
print("Midi in process send /"+findJamName(portname, MidiChannel)+"/noteoff "+str(msg[1]))
print(GetTime(),"Midi in process send /"+findJamName(portname, MidiChannel)+"/noteoff "+str(msg[1]))
wssend("/"+findJamName(portname, MidiChannel)+"/noteoff "+str(msg[1]))
@ -191,8 +272,8 @@ def MidinProcess(inqueue, portname):
MidiChannel = msg[0]-175
#findJamName(portname, MidiChannel)
print("channel", MidiChannel, " ",findJamName(portname, MidiChannel), " CC :", msg[1], msg[2])
print("Midi in process send /"+findJamName(portname, MidiChannel)+"/cc/"+str(msg[1])+" "+str(msg[2])+" to WS")
print(GetTime(),"channel", MidiChannel, " ",findJamName(portname, MidiChannel), " CC :", msg[1], msg[2])
print(GetTime(),"Midi in process send /"+findJamName(portname, MidiChannel)+"/cc/"+str(msg[1])+" "+str(msg[2])+" to WS")
wssend("/"+findJamName(portname, MidiChannel)+"/cc/"+str(msg[1])+" "+str(msg[2]))
@ -290,7 +371,7 @@ class OutObject():
self._instances.add(weakref.ref(self))
OutObject.counter += 1
print("Adding OutDevice name", self.name, "kind", self.kind, "port", self.port)
print(GetTime(),"Adding OutDevice name", self.name, "kind", self.kind, "port", self.port)
@classmethod
def getinstances(cls):
@ -314,8 +395,8 @@ def OutConfig():
#
if len(OutDevice) == 0:
print("")
print("MIDIout...")
print("List and attach to available devices on host with IN port :")
print(GetTime(),"MIDIout...")
print(GetTime(),"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()
@ -331,7 +412,7 @@ def OutConfig():
OutDevice.append(OutObject(name, "generic", port))
#print "")
print(len(OutDevice), "Out devices")
print(GetTime(),len(OutDevice), "Out devices")
#ListOutDevice()
MidInsNumber = len(OutDevice)+1
@ -339,7 +420,7 @@ def ListOutDevice():
for item in OutObject.getinstances():
print(item.name)
print(GetTime(),item.name)
def FindOutDevice(name):
@ -355,14 +436,14 @@ def FindOutDevice(name):
def DelOutDevice(name):
Outnumber = Findest(name)
print('deleting OutDevice', name)
print(GetTime(),'deleting OutDevice', name)
if Outnumber != -1:
print('found OutDevice', Outnumber)
print(GetTime(),'found OutDevice', Outnumber)
delattr(OutObject, str(name))
print("OutDevice", Outnumber,"was removed")
print(GetTime(),"OutDevice", Outnumber,"was removed")
else:
print("OutDevice was not found")
print(GetTime(),"OutDevice was not found")
@ -387,7 +468,7 @@ class InObject():
self._instances.add(weakref.ref(self))
InObject.counter += 1
print("Adding InDevice name", self.name, "kind", self.kind, "port", self.port)
print(GetTime(),"Adding InDevice name", self.name, "kind", self.kind, "port", self.port)
@classmethod
def getinstances(cls):
@ -407,16 +488,16 @@ class InObject():
def InConfig():
print("")
print("MIDIin...")
print(GetTime(),"MIDIin...")
# client mode
if debug > 0:
if clientmode == True:
print("midi3 in client mode")
print(GetTime(),"midi3 in client mode")
else:
print("midi3 in server mode")
print(GetTime(),"midi3 in server mode")
print("List and attach to available devices on host with OUT port :")
print(GetTime(),"List and attach to available devices on host with OUT port :")
if platform == 'darwin':
mido.set_backend('mido.backends.rtmidi/MACOSX_CORE')
@ -437,7 +518,7 @@ def InConfig():
try:
#print name, name.find("RtMidi output"))
if name.find("RtMidi output") > -1:
print("No thread started for device", name)
print(GetTime(),"No thread started for device", name)
else:
portin = object
port_name = ""
@ -460,7 +541,7 @@ def InConfig():
traceback.print_exc()
#print "")
print(InObject.counter, "In devices")
print(GetTime(),InObject.counter, "In devices")
#ListInDevice()
@ -469,7 +550,7 @@ def ListInDevice():
#print "known IN devices :"
for item in InObject.getinstances():
print(item.name)
print(GetTime(),item.name)
print("")
def FindInDevice(name):
@ -486,14 +567,14 @@ def FindInDevice(name):
def DelInDevice(name):
Innumber = Findest(name)
print('deleting InDevice', name)
print(GetTime(),'deleting InDevice', name)
if Innumber != -1:
print('found InDevice', Innumber)
print(GetTime(),'found InDevice', Innumber)
delattr(InObject, str(name))
print("InDevice", Innumber,"was removed")
print(GetTime(),"InDevice", Innumber,"was removed")
else:
print("InDevice was not found")
print(GetTime(),"InDevice was not found")
@ -517,18 +598,18 @@ def MidiMsg(midimsg, mididest):
desterror = -1
print("jamidi3 got midimsg", midimsg, "for", mididest)
print(GetTime(),"jamidi3 got midimsg", midimsg, "for", mididest)
for port in range(len(OutDevice)):
# To mididest
if midiname[port].find(mididest) != -1:
if debug>0:
print("jamidi 3 sending to name", midiname[port], "port", port, ":", midimsg)
print(GetTime(),"jamidi 3 sending to name", midiname[port], "port", port, ":", midimsg)
midiport[port].send_message(midimsg)
desterror = 0
if desterror == -1:
print("mididest",mididest, ": ** This midi destination doesn't exists **")
print(GetTime(),"mididest",mididest, ": ** This midi destination doesn't exists **")
# send midi msg over ws.
#if clientmode == True:
@ -566,7 +647,7 @@ def findJamName(mididevice, midichan):
#print(v[0]["mididevice"],v[0]["midichan"], type(v[0]["midichan"]))
if (v[0]["mididevice"] == mididevice) and (v[0]["midichan"] == midichan):
print("Incoming event from", k, "xname", v[0]["xname"])
print(GetTime(),"Incoming event from", k, "xname", v[0]["xname"])
return v[0]["xname"]
return "None"
@ -575,7 +656,7 @@ def findJamName(mididevice, midichan):
def findJamDevices(name):
devices = []
print ("searching", name)
print (GetTime(),"searching", name)
for (k, v) in Confs.items():
if v[0]["type"] == "mididevice":