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90 lines
2.3 KiB
Python
90 lines
2.3 KiB
Python
# midiC.py
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"""
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This module is an integeral part of the program
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MMA - Musical Midi Accompaniment.
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This program 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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Bob van der Poel <bob@mellowood.ca>
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This module contains interface for MIDI constants and conversion routines.
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"""
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from MMA.common import *
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from MMA.miditables import *
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def drumToValue(name):
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""" Get the value of the drum tone (-1==error). """
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try:
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v=int(name, 0)
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except:
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try:
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v = upperDrumNames.index(name.upper()) + 27
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except ValueError:
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error("Expecting a valid drum name or value for drum tone, not '%s'" % name)
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if v <0 or v > 127:
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error("Note in Drum Tone list must be 0..127, not %s" % v)
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return v
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def instToValue(name):
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""" Get the value of the instrument name (-1==error). """
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try:
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return upperVoiceNames.index(name.upper())
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except ValueError:
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return -1
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def ctrlToValue(name):
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""" Get the value of the controler name (-1==error). """
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try:
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return upperCtrlNames.index(name.upper())
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except ValueError:
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return -1
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def valueToInst(val):
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""" Get the name of the inst. (or 'ERR'). """
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try:
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return voiceNames[val]
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except IndexError:
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return "ERROR"
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def valueToDrum(val):
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""" Get the name of the drum tone.
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We return the NAME of the tone, or the original value if there is
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no name associated with the value (only value 27 to 86 have names).
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"""
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if val<27 or val>86:
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return str(val)
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else:
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return drumNames[val-27]
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def valueToCtrl(val):
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""" Get the name of the controller (or 'ERR'). """
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try:
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return ctrlNames[val]
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except IndexError:
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return "ERROR"
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