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602 lines
17 KiB
602 lines
17 KiB
#! /usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Copyright 2017, Nils Hilbricht, Germany ( https://www.hilbricht.net )
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This code 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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import re
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from calfbox import cbox #use the globally installed calfbox
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from asyncio import get_event_loop
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from sys import stdout, maxsize
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import os, signal
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D1024 =210 * 2**0 # = 210. The lcm of 2, 3, 5, 7 . according to www.informatics.indiana.edu/donbyrd/CMNExtremes.htm this is the real world limit.
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D512 = 210 * 2**1
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D256 = 210 * 2**2
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D128 = 210 * 2**3
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D64 = 210 * 2**4
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D32 = 210 * 2**5
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D16 = 210 * 2**6 #16th 13440 ticks
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D8 = 210 * 2**7 #eigth 26880 ticks
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D4 = 210 * 2**8 #quarter 53760 ticks
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D2 = 210 * 2**9 #half 107520 ticks
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D1 = 210 * 2**10 #whole 215040 ticks
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DB = 210 * 2**11 #brevis 430080 ticks
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DL = 210 * 2**12 #longa
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DM = 210 * 2**13 #maxima
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#MAXIMUM = 0x7FFFFFFF # 31bit. maximum number of calfbox ticks allowed for its timeline, for example for the song duration
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MAXIMUM = 100 * D1
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#max_pulses = min(2**31, 2**31 * ppqn * bpm / (60 * sample_rate))
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ly2pitch = {
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"ceses,,," : 00,
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"ces,,," : 10,
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"c,,," : 20,
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"cis,,," : 30,
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"cisis,,," : 40,
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"deses,,," : 50,
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"des,,," : 60,
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"d,,," : 70,
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"dis,,," : 80,
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"disis,,," : 90,
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"eeses,,," : 100,
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"ees,,," : 110,
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"e,,," : 120,
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"eis,,," : 130,
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"eisis,,," : 140,
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"feses,,," : 150,
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"fes,,," : 160,
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"f,,," : 170,
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"fis,,," : 180,
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"fisis,,," : 190,
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"geses,,," : 200,
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"ges,,," : 210,
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"g,,," : 220,
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"gis,,," : 230,
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"gisis,,," : 240,
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"aeses,,," : 250,
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"aes,,," : 260,
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"a,,," : 270,
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"ais,,," : 280,
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"aisis,,," : 290,
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"beses,,," : 300,
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"bes,,," : 310,
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"b,,," : 320,
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"bis,,," : 330,
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"bisis,,," : 340,
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"ceses,," : 350,
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"ces,," : 360,
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"c,," : 370,
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"cis,," : 380,
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"cisis,," : 390,
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"deses,," : 400,
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"des,," : 410,
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"d,," : 420,
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"dis,," : 430,
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"disis,," : 440,
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"eeses,," : 450,
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"ees,," : 460,
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"e,," : 470,
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"eis,," : 480,
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"eisis,," : 490,
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"feses,," : 500,
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"fes,," : 510,
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"f,," : 520,
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"fis,," : 530,
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"fisis,," : 540,
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"geses,," : 550,
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"ges,," : 560,
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"g,," : 570,
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"gis,," : 580,
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"gisis,," : 590,
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"aeses,," : 600,
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"aes,," : 610,
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"a,," : 620,
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"ais,," : 630,
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"aisis,," : 640,
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"beses,," : 650,
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"bes,," : 660,
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"b,," : 670,
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"bis,," : 680,
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"bisis,," : 690,
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"ceses," : 700,
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"ces," : 710,
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"c," : 720,
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"cis," : 730,
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"cisis," : 740,
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"deses," : 750,
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"des," : 760,
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"d," : 770,
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"dis," : 780,
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"disis," : 790,
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"eeses," : 800,
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"ees," : 810,
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"e," : 820,
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"eis," : 830,
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"eisis," : 840,
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"feses," : 850,
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"fes," : 860,
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"f," : 870,
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"fis," : 880,
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"fisis," : 890,
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"geses," : 900,
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"ges," : 910,
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"g," : 920,
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"gis," : 930,
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"gisis," : 940,
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"aeses," : 950,
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"aes," : 960,
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"a," : 970,
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"ais," : 980,
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"aisis," : 990,
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"beses," : 1000,
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"bes," : 1010,
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"b," : 1020,
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"bis," : 1030,
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"bisis," : 1040,
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"ceses" : 1050,
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"ces" : 1060,
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"c" : 1070,
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"cis" : 1080,
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"cisis" : 1090,
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"deses" : 1100,
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"des" : 1110,
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"d" : 1120,
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"dis" : 1130,
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"disis" : 1140,
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"eeses" : 1150,
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"ees" : 1160,
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"e" : 1170,
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"eis" : 1180,
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"eisis" : 1190,
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"feses" : 1200,
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"fes" : 1210,
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"f" : 1220,
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"fis" : 1230,
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"fisis" : 1240,
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"geses" : 1250,
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"ges" : 1260,
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"g" : 1270,
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"gis" : 1280,
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"gisis" : 1290,
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"aeses" : 1300,
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"aes" : 1310,
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"a" : 1320,
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"ais" : 1330,
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"aisis" : 1340,
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"beses" : 1350,
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"bes" : 1360,
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"b" : 1370,
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"bis" : 1380,
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"bisis" : 1390,
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"ceses'" : 1400,
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"ces'" : 1410,
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"c'" : 1420,
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"cis'" : 1430,
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"cisis'" : 1440,
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"deses'" : 1450,
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"des'" : 1460,
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"d'" : 1470,
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"dis'" : 1480,
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"disis'" : 1490,
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"eeses'" : 1500,
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"ees'" : 1510,
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"e'" : 1520,
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"eis'" : 1530,
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"eisis'" : 1540,
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"feses'" : 1550,
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"fes'" : 1560,
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"f'" : 1570,
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"fis'" : 1580,
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"fisis'" : 1590,
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"geses'" : 1600,
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"ges'" : 1610,
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"g'" : 1620,
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"gis'" : 1630,
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"gisis'" : 1640,
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"aeses'" : 1650,
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"aes'" : 1660,
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"a'" : 1670,
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"ais'" : 1680,
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"aisis'" : 1690,
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"beses'" : 1700,
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"bes'" : 1710,
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"b'" : 1720,
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"bis'" : 1730,
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"bisis'" : 1740,
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"ceses''" : 1750,
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"ces''" : 1760,
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"c''" : 1770,
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"cis''" : 1780,
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"cisis''" : 1790,
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"deses''" : 1800,
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"des''" : 1810,
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"d''" : 1820,
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"dis''" : 1830,
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"disis''" : 1840,
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"eeses''" : 1850,
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"ees''" : 1860,
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"e''" : 1870,
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"eis''" : 1880,
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"eisis''" : 1890,
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"feses''" : 1900,
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"fes''" : 1910,
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"f''" : 1920,
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"fis''" : 1930,
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"fisis''" : 1940,
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"geses''" : 1950,
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"ges''" : 1960,
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"g''" : 1970,
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"gis''" : 1980,
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"gisis''" : 1990,
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"aeses''" : 2000,
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"aes''" : 2010,
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"a''" : 2020,
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"ais''" : 2030,
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"aisis''" : 2040,
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"beses''" : 2050,
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"bes''" : 2060,
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"b''" : 2070,
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"bis''" : 2080,
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"bisis''" : 2090,
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"ceses'''" : 2100,
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"ces'''" : 2110,
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"c'''" : 2120,
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"cis'''" : 2130,
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"cisis'''" : 2140,
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"deses'''" : 2150,
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"des'''" : 2160,
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"d'''" : 2170,
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"dis'''" : 2180,
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"disis'''" : 2190,
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"eeses'''" : 2200,
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"ees'''" : 2210,
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"e'''" : 2220,
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"eis'''" : 2230,
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"eisis'''" : 2240,
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"feses'''" : 2250,
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"fes'''" : 2260,
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"f'''" : 2270,
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"fis'''" : 2280,
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"fisis'''" : 2290,
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"geses'''" : 2300,
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"ges'''" : 2310,
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"g'''" : 2320,
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"gis'''" : 2330,
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"gisis'''" : 2340,
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"aeses'''" : 2350,
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"aes'''" : 2360,
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"a'''" : 2370,
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"ais'''" : 2380,
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"aisis'''" : 2390,
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"beses'''" : 2400,
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"bes'''" : 2410,
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"b'''" : 2420,
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"bis'''" : 2430,
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"bisis'''" : 2440,
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"ceses''''" : 2450,
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"ces''''" : 2460,
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"c''''" : 2470,
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"cis''''" : 2480,
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"cisis''''" : 2490,
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"deses''''" : 2500,
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"des''''" : 2510,
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"d''''" : 2520,
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"dis''''" : 2530,
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"disis''''" : 2540,
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"eeses''''" : 2550,
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"ees''''" : 2560,
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"e''''" : 2570,
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"eis''''" : 2580,
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"eisis''''" : 2590,
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"feses''''" : 2600,
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"fes''''" : 2610,
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"f''''" : 2620,
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"fis''''" : 2630,
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"fisis''''" : 2640,
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"geses''''" : 2650,
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"ges''''" : 2660,
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"g''''" : 2670,
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"gis''''" : 2680,
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"gisis''''" : 2690,
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"aeses''''" : 2700,
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"aes''''" : 2710,
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"a''''" : 2720,
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"ais''''" : 2730,
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"aisis''''" : 2740,
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"beses''''" : 2750,
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"bes''''" : 2760,
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"b''''" : 2770,
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"bis''''" : 2780,
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"bisis''''" : 2790,
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"ceses'''''" : 2800,
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"ces'''''" : 2810,
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"c'''''" : 2820,
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"cis'''''" : 2830,
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"cisis'''''" : 2840,
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"deses'''''" : 2850,
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"des'''''" : 2860,
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"d'''''" : 2870,
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"dis'''''" : 2880,
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"disis'''''" : 2890,
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"eeses'''''" : 2900,
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"ees'''''" : 2910,
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"e'''''" : 2920,
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"eis'''''" : 2930,
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"eisis'''''" : 2940,
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"feses'''''" : 2950,
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"fes'''''" : 2960,
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"f'''''" : 2970,
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"fis'''''" : 2980,
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"fisis'''''" : 2990,
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"geses'''''" : 3000,
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"ges'''''" : 3010,
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"g'''''" : 3020,
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"gis'''''" : 3030,
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"gisis'''''" : 3040,
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"aeses'''''" : 3050,
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"aes'''''" : 3060,
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"a'''''" : 3070,
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"ais'''''" : 3080,
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"aisis'''''" : 3090,
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"beses'''''" : 3100,
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"bes'''''" : 3110,
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"b'''''" : 3120,
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"bis'''''" : 3130,
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"bisis'''''" : 3140,
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#"r" : float('inf'), a rest is not a pitch
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}
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def plain(pitch):
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""" Extract the note from a note-number, without any octave but with the tailing zero.
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This means we double-use the lowest octave as abstract version."""
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#Dividing through the octave, 350, results in the number of the octave and the note as remainder.
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return divmod(pitch, 350)[1]
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def octave(pitch):
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"""Return the octave of given note. Lowest 0 is X,,,"""
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return divmod(pitch, 350)[0]
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def halfToneDistanceFromC(pitch):
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"""Return the half-tone step distance from C. The "sounding" interval"""
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return {
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#00 : 10, # ceses,,, -> bes
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#10 : 11, # ces,,, -> b
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00 : -2, # ceses,,, -> bes
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10 : -1, # ces,,, -> b
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20 : 0, # c,,,
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30 : 1, # cis,,,
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40 : 2, # cisis,,, -> d ...
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50 : 0, # deses,,,
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60 : 1, # des,,,
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70 : 2, # d,,,
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80 : 3, # dis,,,
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90 : 4, # disis,,,
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100 : 2, # eeses,,,
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110 : 3, # ees,,,
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120 : 4, # e,,,
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130 : 5, # eis,,,
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140 : 6, # eisis,,,
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150 : 3, # feses,,,
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160 : 4, # fes,,,
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170 : 5, # f,,,
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180 : 6, # fis,,,
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190 : 7, # fisis,,,
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200 : 5, # geses,,,
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210 : 6, # ges,,,
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220 : 7, # g,,,
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230 : 8, # gis,,,
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240 : 9, # gisis,,,
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250 : 7, # aeses,,,
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260 : 8, # aes,,,
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270 : 9, # a,,,
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280 : 10, # ais,,,
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290 : 11, # aisis,,,
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300 : 9, # beses,,,
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310 : 10, # bes,,,
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320 : 11, # b,,,
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330 : 12, # bis,,,
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340 : 13, # bisis,,,
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#330 : 0, # bis,,,
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#340 : 1, # bisis,,,
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}[plain(pitch)]
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lyToMidi = {} #filled for all pitches on startup, below
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for ly, pitch in ly2pitch.items():
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octOffset = (octave(pitch) +1) * 12 #twelve tones per midi octave
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lyToMidi[ly] = octOffset + halfToneDistanceFromC(pitch)
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lyToTicks = {
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"16" : D16,
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"8" : D8,
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"4" : D4,
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"2" : D2,
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"1" : D1,
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}
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def ly(lilypondString):
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"""Take string of simple lilypond notes, return midi pitches as generator of (pitch, ticks)"""
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lastDur = "4"
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for lyNote in lilypondString.split(" "):
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try:
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lyPitch, lyDur = re.split(r'(\d+)', lyNote)[0:2]
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lastDur = lyDur
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except ValueError:
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lyPitch = re.split(r'(\d+)', lyNote)[0]
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lyDur = lastDur
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yield (lyToMidi[lyPitch], lyToTicks[lyDur])
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def ly2cbox(lilypondString):
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"""Return (pbytes, durationInTicks)
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a python byte data type with midi data for cbox"""
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#cbox.Pattern.serialize_event(position, midibyte1 (noteon), midibyte2(pitch), midibyte3(velocity))
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pblob = bytes()
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startTick = 0
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for midiPitch, durationInTicks in ly(lilypondString):
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endTick = startTick + durationInTicks - 1 #-1 ticks to create a small logical gap. This is nothing compared to our tick value dimensions, but it is enough for the midi protocol to treat two notes as separate ones. Imporant to say that this does NOT affect the next note on. This will be mathematically correct anyway.
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pblob += cbox.Pattern.serialize_event(startTick, 0x90, midiPitch, 100) # note on
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pblob += cbox.Pattern.serialize_event(endTick , 0x80, midiPitch, 100) # note off
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startTick = startTick + durationInTicks #no -1 for the next note
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return pblob, startTick
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cboxTracks = {} #trackName:(cboxTrack,cboxMidiOutUuid)
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def cboxSetTrack(trackName, durationInTicks, pattern):
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"""Creates or resets calfbox tracks including jack connections
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Keeps jack connections alive.
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pattern is most likely a single pattern created through cbox.Document.get_song().pattern_from_blob
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But it can also be a list of such patterns. In this case all patterns must be the same duration
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and the parameter durationInTicks is the length of ONE pattern.
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"""
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if not trackName in cboxTracks:
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cboxMidiOutUuid = cbox.JackIO.create_midi_output(trackName)
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calfboxTrack = cbox.Document.get_song().add_track()
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cboxTracks[trackName] = (calfboxTrack, cboxMidiOutUuid)
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else:
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calfboxTrack, cboxMidiOutUuid = cboxTracks[trackName]
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calfboxTrack.delete()
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calfboxTrack = cbox.Document.get_song().add_track()
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calfboxTrack.set_external_output(cboxMidiOutUuid)
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cbox.JackIO.rename_midi_output(cboxMidiOutUuid, trackName)
|
|
calfboxTrack.set_name(trackName)
|
|
|
|
if type(pattern) is cbox.DocPattern:
|
|
calfboxTrack.add_clip(0, 0, durationInTicks, pattern) #pos, offset, length(and not end-position, but is the same for the complete track), pattern
|
|
else: #iterable
|
|
assert iter(pattern)
|
|
#durationInTicks is the length of ONE pattern.
|
|
for i, pat in enumerate(pattern):
|
|
calfboxTrack.add_clip(i*durationInTicks, 0, durationInTicks, pat) #pos, offset, length, pattern.
|
|
calfboxTrack.add_clip(i*durationInTicks, 0, durationInTicks, pat) #pos, offset, length, pattern.
|
|
|
|
return calfboxTrack
|
|
|
|
|
|
def ly2Track(trackName, lyString):
|
|
"""Convert a simple string of lilypond notes to a cbox track and add that to the score"""
|
|
music = lyString
|
|
cboxBlob, durationInTicks = ly2cbox(music)
|
|
pattern = cbox.Document.get_song().pattern_from_blob(cboxBlob, durationInTicks)
|
|
cboxSetTrack(trackName, durationInTicks, pattern)
|
|
|
|
def getLongestTrackDuationInTicks():
|
|
return max( max(clip.pos + clip.length for clip in cboxTrack.track.status().clips) for cboxTrack in cbox.Document.get_song().status().tracks if cboxTrack.track.status().clips)
|
|
#for cboxTrack in cbox.Document.get_song().status().tracks:
|
|
# print (cboxTrack.track)
|
|
#TODO: These are different than the one above. It is more. Why?
|
|
#for cboxTrack, cboxMidiOutUuid in cboxTracks.values():
|
|
# print (cboxTrack.status())
|
|
|
|
|
|
def cboxLoop(eventLoop):
|
|
cbox.call_on_idle()
|
|
assert eventLoop.is_running()
|
|
|
|
#it is not that simple. status = "[Running]" if cbox.Transport.status().playing else "[Stopped]"
|
|
if cbox.Transport.status().playing == 1:
|
|
status = "[Running]"
|
|
elif cbox.Transport.status().playing == 0:
|
|
status = "[Stopped]"
|
|
elif cbox.Transport.status().playing == 2:
|
|
status = "[Stopping]"
|
|
elif cbox.Transport.status().playing is None:
|
|
status = "[Uninitialized]"
|
|
else:
|
|
raise ValueError("Unknown playback status: {}".format(cbox.Transport.status().playing))
|
|
|
|
stdout.write(" \r") #it is a hack but it cleans the line from old artefacts
|
|
stdout.write('{}: {}\r'.format(status, cbox.Transport.status().pos_ppqn))
|
|
stdout.flush()
|
|
eventLoop.call_later(0.1, cboxLoop, eventLoop) #100ms delay
|
|
|
|
eventLoop = get_event_loop()
|
|
def initCbox(clientName, internalEventProcessor=True, commonMidiInput=True):
|
|
cbox.init_engine("")
|
|
cbox.Config.set("io", "client_name", clientName)
|
|
cbox.Config.set("io", "enable_common_midi_input", commonMidiInput) #the default "catch all" midi input
|
|
cbox.start_audio()
|
|
scene = cbox.Document.get_engine().new_scene()
|
|
scene.clear()
|
|
cbox.do_cmd("/master/set_ppqn_factor", None, [D4]) #quarter note has how many ticks?
|
|
|
|
cbox.Transport.stop()
|
|
cbox.Transport.seek_ppqn(0)
|
|
cbox.Transport.set_tempo(120.0) #must be float
|
|
|
|
if internalEventProcessor:
|
|
eventLoop.call_soon(cboxLoop, eventLoop)
|
|
return scene, cbox, eventLoop
|
|
|
|
|
|
def connectPhysicalKeyboards(port="midi"):
|
|
midiKeyboards = cbox.JackIO.get_ports(".*", cbox.JackIO.MIDI_TYPE, cbox.JackIO.PORT_IS_SOURCE | cbox.JackIO.PORT_IS_PHYSICAL)
|
|
ourMidiInPort = cbox.Config.get("io", "client_name",) + ":" + port
|
|
for keyboard in midiKeyboards:
|
|
cbox.JackIO.port_connect(keyboard, ourMidiInPort)
|
|
|
|
def start(autoplay = False, userfunction = None, tempo = 120):
|
|
def ask_exit():
|
|
print()
|
|
eventLoop.stop()
|
|
shutdownCbox()
|
|
|
|
try:
|
|
dur = getLongestTrackDuationInTicks()
|
|
print("Starting with supplied music data. Setting sond duration to longest track")
|
|
assert dur > 0
|
|
cbox.Document.get_song().set_loop(dur, dur) #set playback length for the entire score.
|
|
except ValueError:
|
|
print ("Starting without a track. Setting song duration to a high value to generate recording space")
|
|
cbox.Document.get_song().set_loop(MAXIMUM, MAXIMUM) #set playback length for the entire score.
|
|
|
|
cbox.Transport.set_tempo(float(tempo))
|
|
cbox.Document.get_song().update_playback()
|
|
|
|
for signame in ('SIGINT', 'SIGTERM'):
|
|
eventLoop.add_signal_handler(getattr(signal, signame), ask_exit)
|
|
|
|
if userfunction:
|
|
print ("Send SIGUSR1 with following command to trigger user function")
|
|
print ("kill -10 {}".format(os.getpid()))
|
|
print ()
|
|
eventLoop.add_signal_handler(getattr(signal, "SIGUSR1"), userfunction)
|
|
|
|
print ("Use jack transport to control playback")
|
|
print ("Press Ctrl+C to abort")
|
|
print("pid %s: send SIGINT or SIGTERM to exit." % os.getpid())
|
|
|
|
try:
|
|
eventLoop.run_forever()
|
|
finally:
|
|
eventLoop.close()
|
|
|
|
|
|
def shutdownCbox():
|
|
cbox.Transport.stop()
|
|
cbox.Transport.seek_ppqn(0)
|
|
cbox.stop_audio()
|
|
cbox.shutdown_engine()
|
|
|