diff --git "a/TMIDIX.py" "b/TMIDIX.py" new file mode 100644--- /dev/null +++ "b/TMIDIX.py" @@ -0,0 +1,3202 @@ +#! /usr/bin/python3 + + +r'''############################################################################### +################################################################################### +# +# +# Tegridy MIDI X Module (TMIDI X / tee-midi eks) +# Version 1.0 +# +# NOTE: TMIDI X Module starts after the partial MIDI.py module @ line 1342 +# +# Based upon MIDI.py module v.6.7. by Peter Billam / pjb.com.au +# +# Project Los Angeles +# +# Tegridy Code 2021 +# +# https://github.com/Tegridy-Code/Project-Los-Angeles +# +# +################################################################################### +################################################################################### +# Copyright 2021 Project Los Angeles / Tegridy Code +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +################################################################################### +################################################################################### +# +# PARTIAL MIDI.py Module v.6.7. by Peter Billam +# Please see TMIDI 2.3/tegridy-tools repo for full MIDI.py module code +# +# Or you can always download the latest full version from: +# https://pjb.com.au/ +# +# Copyright 2020 Peter Billam +# +################################################################################### +###################################################################################''' + +import sys, struct, copy +Version = '6.7' +VersionDate = '20201120' + +_previous_warning = '' # 5.4 +_previous_times = 0 # 5.4 +#------------------------------- Encoding stuff -------------------------- + +def opus2midi(opus=[], text_encoding='ISO-8859-1'): + r'''The argument is a list: the first item in the list is the "ticks" +parameter, the others are the tracks. Each track is a list +of midi-events, and each event is itself a list; see above. +opus2midi() returns a bytestring of the MIDI, which can then be +written either to a file opened in binary mode (mode='wb'), +or to stdout by means of: sys.stdout.buffer.write() + +my_opus = [ + 96, + [ # track 0: + ['patch_change', 0, 1, 8], # and these are the events... + ['note_on', 5, 1, 25, 96], + ['note_off', 96, 1, 25, 0], + ['note_on', 0, 1, 29, 96], + ['note_off', 96, 1, 29, 0], + ], # end of track 0 +] +my_midi = opus2midi(my_opus) +sys.stdout.buffer.write(my_midi) +''' + if len(opus) < 2: + opus=[1000, [],] + tracks = copy.deepcopy(opus) + ticks = int(tracks.pop(0)) + ntracks = len(tracks) + if ntracks == 1: + format = 0 + else: + format = 1 + + my_midi = b"MThd\x00\x00\x00\x06"+struct.pack('>HHH',format,ntracks,ticks) + for track in tracks: + events = _encode(track, text_encoding=text_encoding) + my_midi += b'MTrk' + struct.pack('>I',len(events)) + events + _clean_up_warnings() + return my_midi + + +def score2opus(score=None, text_encoding='ISO-8859-1'): + r''' +The argument is a list: the first item in the list is the "ticks" +parameter, the others are the tracks. Each track is a list +of score-events, and each event is itself a list. A score-event +is similar to an opus-event (see above), except that in a score: + 1) the times are expressed as an absolute number of ticks + from the track's start time + 2) the pairs of 'note_on' and 'note_off' events in an "opus" + are abstracted into a single 'note' event in a "score": + ['note', start_time, duration, channel, pitch, velocity] +score2opus() returns a list specifying the equivalent "opus". + +my_score = [ + 96, + [ # track 0: + ['patch_change', 0, 1, 8], + ['note', 5, 96, 1, 25, 96], + ['note', 101, 96, 1, 29, 96] + ], # end of track 0 +] +my_opus = score2opus(my_score) +''' + if len(score) < 2: + score=[1000, [],] + tracks = copy.deepcopy(score) + ticks = int(tracks.pop(0)) + opus_tracks = [] + for scoretrack in tracks: + time2events = dict([]) + for scoreevent in scoretrack: + if scoreevent[0] == 'note': + note_on_event = ['note_on',scoreevent[1], + scoreevent[3],scoreevent[4],scoreevent[5]] + note_off_event = ['note_off',scoreevent[1]+scoreevent[2], + scoreevent[3],scoreevent[4],scoreevent[5]] + if time2events.get(note_on_event[1]): + time2events[note_on_event[1]].append(note_on_event) + else: + time2events[note_on_event[1]] = [note_on_event,] + if time2events.get(note_off_event[1]): + time2events[note_off_event[1]].append(note_off_event) + else: + time2events[note_off_event[1]] = [note_off_event,] + continue + if time2events.get(scoreevent[1]): + time2events[scoreevent[1]].append(scoreevent) + else: + time2events[scoreevent[1]] = [scoreevent,] + + sorted_times = [] # list of keys + for k in time2events.keys(): + sorted_times.append(k) + sorted_times.sort() + + sorted_events = [] # once-flattened list of values sorted by key + for time in sorted_times: + sorted_events.extend(time2events[time]) + + abs_time = 0 + for event in sorted_events: # convert abs times => delta times + delta_time = event[1] - abs_time + abs_time = event[1] + event[1] = delta_time + opus_tracks.append(sorted_events) + opus_tracks.insert(0,ticks) + _clean_up_warnings() + return opus_tracks + +def score2midi(score=None, text_encoding='ISO-8859-1'): + r''' +Translates a "score" into MIDI, using score2opus() then opus2midi() +''' + return opus2midi(score2opus(score, text_encoding), text_encoding) + +#--------------------------- Decoding stuff ------------------------ + +def midi2opus(midi=b''): + r'''Translates MIDI into a "opus". For a description of the +"opus" format, see opus2midi() +''' + my_midi=bytearray(midi) + if len(my_midi) < 4: + _clean_up_warnings() + return [1000,[],] + id = bytes(my_midi[0:4]) + if id != b'MThd': + _warn("midi2opus: midi starts with "+str(id)+" instead of 'MThd'") + _clean_up_warnings() + return [1000,[],] + [length, format, tracks_expected, ticks] = struct.unpack( + '>IHHH', bytes(my_midi[4:14])) + if length != 6: + _warn("midi2opus: midi header length was "+str(length)+" instead of 6") + _clean_up_warnings() + return [1000,[],] + my_opus = [ticks,] + my_midi = my_midi[14:] + track_num = 1 # 5.1 + while len(my_midi) >= 8: + track_type = bytes(my_midi[0:4]) + if track_type != b'MTrk': + #_warn('midi2opus: Warning: track #'+str(track_num)+' type is '+str(track_type)+" instead of b'MTrk'") + pass + [track_length] = struct.unpack('>I', my_midi[4:8]) + my_midi = my_midi[8:] + if track_length > len(my_midi): + _warn('midi2opus: track #'+str(track_num)+' length '+str(track_length)+' is too large') + _clean_up_warnings() + return my_opus # 5.0 + my_midi_track = my_midi[0:track_length] + my_track = _decode(my_midi_track) + my_opus.append(my_track) + my_midi = my_midi[track_length:] + track_num += 1 # 5.1 + _clean_up_warnings() + return my_opus + +def opus2score(opus=[]): + r'''For a description of the "opus" and "score" formats, +see opus2midi() and score2opus(). +''' + if len(opus) < 2: + _clean_up_warnings() + return [1000,[],] + tracks = copy.deepcopy(opus) # couple of slices probably quicker... + ticks = int(tracks.pop(0)) + score = [ticks,] + for opus_track in tracks: + ticks_so_far = 0 + score_track = [] + chapitch2note_on_events = dict([]) # 4.0 + for opus_event in opus_track: + ticks_so_far += opus_event[1] + if opus_event[0] == 'note_off' or (opus_event[0] == 'note_on' and opus_event[4] == 0): # 4.8 + cha = opus_event[2] + pitch = opus_event[3] + key = cha*128 + pitch + if chapitch2note_on_events.get(key): + new_event = chapitch2note_on_events[key].pop(0) + new_event[2] = ticks_so_far - new_event[1] + score_track.append(new_event) + elif pitch > 127: + pass #_warn('opus2score: note_off with no note_on, bad pitch='+str(pitch)) + else: + pass #_warn('opus2score: note_off with no note_on cha='+str(cha)+' pitch='+str(pitch)) + elif opus_event[0] == 'note_on': + cha = opus_event[2] + pitch = opus_event[3] + key = cha*128 + pitch + new_event = ['note',ticks_so_far,0,cha,pitch, opus_event[4]] + if chapitch2note_on_events.get(key): + chapitch2note_on_events[key].append(new_event) + else: + chapitch2note_on_events[key] = [new_event,] + else: + opus_event[1] = ticks_so_far + score_track.append(opus_event) + # check for unterminated notes (Oisín) -- 5.2 + for chapitch in chapitch2note_on_events: + note_on_events = chapitch2note_on_events[chapitch] + for new_e in note_on_events: + new_e[2] = ticks_so_far - new_e[1] + score_track.append(new_e) + pass #_warn("opus2score: note_on with no note_off cha="+str(new_e[3])+' pitch='+str(new_e[4])+'; adding note_off at end') + score.append(score_track) + _clean_up_warnings() + return score + +def midi2score(midi=b''): + r''' +Translates MIDI into a "score", using midi2opus() then opus2score() +''' + return opus2score(midi2opus(midi)) + +def midi2ms_score(midi=b''): + r''' +Translates MIDI into a "score" with one beat per second and one +tick per millisecond, using midi2opus() then to_millisecs() +then opus2score() +''' + return opus2score(to_millisecs(midi2opus(midi))) + +#------------------------ Other Transformations --------------------- + +def to_millisecs(old_opus=None, desired_time_in_ms=1): + r'''Recallibrates all the times in an "opus" to use one beat +per second and one tick per millisecond. This makes it +hard to retrieve any information about beats or barlines, +but it does make it easy to mix different scores together. +''' + if old_opus == None: + return [1000 * desired_time_in_ms,[],] + try: + old_tpq = int(old_opus[0]) + except IndexError: # 5.0 + _warn('to_millisecs: the opus '+str(type(old_opus))+' has no elements') + return [1000 * desired_time_in_ms,[],] + new_opus = [1000 * desired_time_in_ms,] + # 6.7 first go through building a table of set_tempos by absolute-tick + ticks2tempo = {} + itrack = 1 + while itrack < len(old_opus): + ticks_so_far = 0 + for old_event in old_opus[itrack]: + if old_event[0] == 'note': + raise TypeError('to_millisecs needs an opus, not a score') + ticks_so_far += old_event[1] + if old_event[0] == 'set_tempo': + ticks2tempo[ticks_so_far] = old_event[2] + itrack += 1 + # then get the sorted-array of their keys + tempo_ticks = [] # list of keys + for k in ticks2tempo.keys(): + tempo_ticks.append(k) + tempo_ticks.sort() + # then go through converting to millisec, testing if the next + # set_tempo lies before the next track-event, and using it if so. + itrack = 1 + while itrack < len(old_opus): + ms_per_old_tick = 400 / old_tpq # float: will round later 6.3 + i_tempo_ticks = 0 + ticks_so_far = 0 + ms_so_far = 0.0 + previous_ms_so_far = 0.0 + new_track = [['set_tempo',0,1000000 * desired_time_in_ms],] # new "crochet" is 1 sec + for old_event in old_opus[itrack]: + # detect if ticks2tempo has something before this event + # 20160702 if ticks2tempo is at the same time, leave it + event_delta_ticks = old_event[1] * desired_time_in_ms + if (i_tempo_ticks < len(tempo_ticks) and + tempo_ticks[i_tempo_ticks] < (ticks_so_far + old_event[1]) * desired_time_in_ms): + delta_ticks = tempo_ticks[i_tempo_ticks] - ticks_so_far + ms_so_far += (ms_per_old_tick * delta_ticks * desired_time_in_ms) + ticks_so_far = tempo_ticks[i_tempo_ticks] + ms_per_old_tick = ticks2tempo[ticks_so_far] / (1000.0*old_tpq * desired_time_in_ms) + i_tempo_ticks += 1 + event_delta_ticks -= delta_ticks + new_event = copy.deepcopy(old_event) # now handle the new event + ms_so_far += (ms_per_old_tick * old_event[1] * desired_time_in_ms) + new_event[1] = round(ms_so_far - previous_ms_so_far) + if old_event[0] != 'set_tempo': + previous_ms_so_far = ms_so_far + new_track.append(new_event) + ticks_so_far += event_delta_ticks + new_opus.append(new_track) + itrack += 1 + _clean_up_warnings() + return new_opus + +def event2alsaseq(event=None): # 5.5 + r'''Converts an event into the format needed by the alsaseq module, +http://pp.com.mx/python/alsaseq +The type of track (opus or score) is autodetected. +''' + pass + +def grep(score=None, channels=None): + r'''Returns a "score" containing only the channels specified +''' + if score == None: + return [1000,[],] + ticks = score[0] + new_score = [ticks,] + if channels == None: + return new_score + channels = set(channels) + global Event2channelindex + itrack = 1 + while itrack < len(score): + new_score.append([]) + for event in score[itrack]: + channel_index = Event2channelindex.get(event[0], False) + if channel_index: + if event[channel_index] in channels: + new_score[itrack].append(event) + else: + new_score[itrack].append(event) + itrack += 1 + return new_score + +def play_score(score=None): + r'''Converts the "score" to midi, and feeds it into 'aplaymidi -' +''' + if score == None: + return + import subprocess + pipe = subprocess.Popen(['aplaymidi','-'], stdin=subprocess.PIPE) + if score_type(score) == 'opus': + pipe.stdin.write(opus2midi(score)) + else: + pipe.stdin.write(score2midi(score)) + pipe.stdin.close() + +def score2stats(opus_or_score=None): + r'''Returns a dict of some basic stats about the score, like +bank_select (list of tuples (msb,lsb)), +channels_by_track (list of lists), channels_total (set), +general_midi_mode (list), +ntracks, nticks, patch_changes_by_track (list of dicts), +num_notes_by_channel (list of numbers), +patch_changes_total (set), +percussion (dict histogram of channel 9 events), +pitches (dict histogram of pitches on channels other than 9), +pitch_range_by_track (list, by track, of two-member-tuples), +pitch_range_sum (sum over tracks of the pitch_ranges), +''' + bank_select_msb = -1 + bank_select_lsb = -1 + bank_select = [] + channels_by_track = [] + channels_total = set([]) + general_midi_mode = [] + num_notes_by_channel = dict([]) + patches_used_by_track = [] + patches_used_total = set([]) + patch_changes_by_track = [] + patch_changes_total = set([]) + percussion = dict([]) # histogram of channel 9 "pitches" + pitches = dict([]) # histogram of pitch-occurrences channels 0-8,10-15 + pitch_range_sum = 0 # u pitch-ranges of each track + pitch_range_by_track = [] + is_a_score = True + if opus_or_score == None: + return {'bank_select':[], 'channels_by_track':[], 'channels_total':[], + 'general_midi_mode':[], 'ntracks':0, 'nticks':0, + 'num_notes_by_channel':dict([]), + 'patch_changes_by_track':[], 'patch_changes_total':[], + 'percussion':{}, 'pitches':{}, 'pitch_range_by_track':[], + 'ticks_per_quarter':0, 'pitch_range_sum':0} + ticks_per_quarter = opus_or_score[0] + i = 1 # ignore first element, which is ticks + nticks = 0 + while i < len(opus_or_score): + highest_pitch = 0 + lowest_pitch = 128 + channels_this_track = set([]) + patch_changes_this_track = dict({}) + for event in opus_or_score[i]: + if event[0] == 'note': + num_notes_by_channel[event[3]] = num_notes_by_channel.get(event[3],0) + 1 + if event[3] == 9: + percussion[event[4]] = percussion.get(event[4],0) + 1 + else: + pitches[event[4]] = pitches.get(event[4],0) + 1 + if event[4] > highest_pitch: + highest_pitch = event[4] + if event[4] < lowest_pitch: + lowest_pitch = event[4] + channels_this_track.add(event[3]) + channels_total.add(event[3]) + finish_time = event[1] + event[2] + if finish_time > nticks: + nticks = finish_time + elif event[0] == 'note_off' or (event[0] == 'note_on' and event[4] == 0): # 4.8 + finish_time = event[1] + if finish_time > nticks: + nticks = finish_time + elif event[0] == 'note_on': + is_a_score = False + num_notes_by_channel[event[2]] = num_notes_by_channel.get(event[2],0) + 1 + if event[2] == 9: + percussion[event[3]] = percussion.get(event[3],0) + 1 + else: + pitches[event[3]] = pitches.get(event[3],0) + 1 + if event[3] > highest_pitch: + highest_pitch = event[3] + if event[3] < lowest_pitch: + lowest_pitch = event[3] + channels_this_track.add(event[2]) + channels_total.add(event[2]) + elif event[0] == 'patch_change': + patch_changes_this_track[event[2]] = event[3] + patch_changes_total.add(event[3]) + elif event[0] == 'control_change': + if event[3] == 0: # bank select MSB + bank_select_msb = event[4] + elif event[3] == 32: # bank select LSB + bank_select_lsb = event[4] + if bank_select_msb >= 0 and bank_select_lsb >= 0: + bank_select.append((bank_select_msb,bank_select_lsb)) + bank_select_msb = -1 + bank_select_lsb = -1 + elif event[0] == 'sysex_f0': + if _sysex2midimode.get(event[2], -1) >= 0: + general_midi_mode.append(_sysex2midimode.get(event[2])) + if is_a_score: + if event[1] > nticks: + nticks = event[1] + else: + nticks += event[1] + if lowest_pitch == 128: + lowest_pitch = 0 + channels_by_track.append(channels_this_track) + patch_changes_by_track.append(patch_changes_this_track) + pitch_range_by_track.append((lowest_pitch,highest_pitch)) + pitch_range_sum += (highest_pitch-lowest_pitch) + i += 1 + + return {'bank_select':bank_select, + 'channels_by_track':channels_by_track, + 'channels_total':channels_total, + 'general_midi_mode':general_midi_mode, + 'ntracks':len(opus_or_score)-1, + 'nticks':nticks, + 'num_notes_by_channel':num_notes_by_channel, + 'patch_changes_by_track':patch_changes_by_track, + 'patch_changes_total':patch_changes_total, + 'percussion':percussion, + 'pitches':pitches, + 'pitch_range_by_track':pitch_range_by_track, + 'pitch_range_sum':pitch_range_sum, + 'ticks_per_quarter':ticks_per_quarter} + +#----------------------------- Event stuff -------------------------- + +_sysex2midimode = { + "\x7E\x7F\x09\x01\xF7": 1, + "\x7E\x7F\x09\x02\xF7": 0, + "\x7E\x7F\x09\x03\xF7": 2, +} + +# Some public-access tuples: +MIDI_events = tuple('''note_off note_on key_after_touch +control_change patch_change channel_after_touch +pitch_wheel_change'''.split()) + +Text_events = tuple('''text_event copyright_text_event +track_name instrument_name lyric marker cue_point text_event_08 +text_event_09 text_event_0a text_event_0b text_event_0c +text_event_0d text_event_0e text_event_0f'''.split()) + +Nontext_meta_events = tuple('''end_track set_tempo +smpte_offset time_signature key_signature sequencer_specific +raw_meta_event sysex_f0 sysex_f7 song_position song_select +tune_request'''.split()) +# unsupported: raw_data + +# Actually, 'tune_request' is is F-series event, not strictly a meta-event... +Meta_events = Text_events + Nontext_meta_events +All_events = MIDI_events + Meta_events + +# And three dictionaries: +Number2patch = { # General MIDI patch numbers: +0:'Acoustic Grand', +1:'Bright Acoustic', +2:'Electric Grand', +3:'Honky-Tonk', +4:'Electric Piano 1', +5:'Electric Piano 2', +6:'Harpsichord', +7:'Clav', +8:'Celesta', +9:'Glockenspiel', +10:'Music Box', +11:'Vibraphone', +12:'Marimba', +13:'Xylophone', +14:'Tubular Bells', +15:'Dulcimer', +16:'Drawbar Organ', +17:'Percussive Organ', +18:'Rock Organ', +19:'Church Organ', +20:'Reed Organ', +21:'Accordion', +22:'Harmonica', +23:'Tango Accordion', +24:'Acoustic Guitar(nylon)', +25:'Acoustic Guitar(steel)', +26:'Electric Guitar(jazz)', +27:'Electric Guitar(clean)', +28:'Electric Guitar(muted)', +29:'Overdriven Guitar', +30:'Distortion Guitar', +31:'Guitar Harmonics', +32:'Acoustic Bass', +33:'Electric Bass(finger)', +34:'Electric Bass(pick)', +35:'Fretless Bass', +36:'Slap Bass 1', +37:'Slap Bass 2', +38:'Synth Bass 1', +39:'Synth Bass 2', +40:'Violin', +41:'Viola', +42:'Cello', +43:'Contrabass', +44:'Tremolo Strings', +45:'Pizzicato Strings', +46:'Orchestral Harp', +47:'Timpani', +48:'String Ensemble 1', +49:'String Ensemble 2', +50:'SynthStrings 1', +51:'SynthStrings 2', +52:'Choir Aahs', +53:'Voice Oohs', +54:'Synth Voice', +55:'Orchestra Hit', +56:'Trumpet', +57:'Trombone', +58:'Tuba', +59:'Muted Trumpet', +60:'French Horn', +61:'Brass Section', +62:'SynthBrass 1', +63:'SynthBrass 2', +64:'Soprano Sax', +65:'Alto Sax', +66:'Tenor Sax', +67:'Baritone Sax', +68:'Oboe', +69:'English Horn', +70:'Bassoon', +71:'Clarinet', +72:'Piccolo', +73:'Flute', +74:'Recorder', +75:'Pan Flute', +76:'Blown Bottle', +77:'Skakuhachi', +78:'Whistle', +79:'Ocarina', +80:'Lead 1 (square)', +81:'Lead 2 (sawtooth)', +82:'Lead 3 (calliope)', +83:'Lead 4 (chiff)', +84:'Lead 5 (charang)', +85:'Lead 6 (voice)', +86:'Lead 7 (fifths)', +87:'Lead 8 (bass+lead)', +88:'Pad 1 (new age)', +89:'Pad 2 (warm)', +90:'Pad 3 (polysynth)', +91:'Pad 4 (choir)', +92:'Pad 5 (bowed)', +93:'Pad 6 (metallic)', +94:'Pad 7 (halo)', +95:'Pad 8 (sweep)', +96:'FX 1 (rain)', +97:'FX 2 (soundtrack)', +98:'FX 3 (crystal)', +99:'FX 4 (atmosphere)', +100:'FX 5 (brightness)', +101:'FX 6 (goblins)', +102:'FX 7 (echoes)', +103:'FX 8 (sci-fi)', +104:'Sitar', +105:'Banjo', +106:'Shamisen', +107:'Koto', +108:'Kalimba', +109:'Bagpipe', +110:'Fiddle', +111:'Shanai', +112:'Tinkle Bell', +113:'Agogo', +114:'Steel Drums', +115:'Woodblock', +116:'Taiko Drum', +117:'Melodic Tom', +118:'Synth Drum', +119:'Reverse Cymbal', +120:'Guitar Fret Noise', +121:'Breath Noise', +122:'Seashore', +123:'Bird Tweet', +124:'Telephone Ring', +125:'Helicopter', +126:'Applause', +127:'Gunshot', +} +Notenum2percussion = { # General MIDI Percussion (on Channel 9): +35:'Acoustic Bass Drum', +36:'Bass Drum 1', +37:'Side Stick', +38:'Acoustic Snare', +39:'Hand Clap', +40:'Electric Snare', +41:'Low Floor Tom', +42:'Closed Hi-Hat', +43:'High Floor Tom', +44:'Pedal Hi-Hat', +45:'Low Tom', +46:'Open Hi-Hat', +47:'Low-Mid Tom', +48:'Hi-Mid Tom', +49:'Crash Cymbal 1', +50:'High Tom', +51:'Ride Cymbal 1', +52:'Chinese Cymbal', +53:'Ride Bell', +54:'Tambourine', +55:'Splash Cymbal', +56:'Cowbell', +57:'Crash Cymbal 2', +58:'Vibraslap', +59:'Ride Cymbal 2', +60:'Hi Bongo', +61:'Low Bongo', +62:'Mute Hi Conga', +63:'Open Hi Conga', +64:'Low Conga', +65:'High Timbale', +66:'Low Timbale', +67:'High Agogo', +68:'Low Agogo', +69:'Cabasa', +70:'Maracas', +71:'Short Whistle', +72:'Long Whistle', +73:'Short Guiro', +74:'Long Guiro', +75:'Claves', +76:'Hi Wood Block', +77:'Low Wood Block', +78:'Mute Cuica', +79:'Open Cuica', +80:'Mute Triangle', +81:'Open Triangle', +} + +Event2channelindex = { 'note':3, 'note_off':2, 'note_on':2, + 'key_after_touch':2, 'control_change':2, 'patch_change':2, + 'channel_after_touch':2, 'pitch_wheel_change':2 +} + +################################################################ +# The code below this line is full of frightening things, all to +# do with the actual encoding and decoding of binary MIDI data. + +def _twobytes2int(byte_a): + r'''decode a 16 bit quantity from two bytes,''' + return (byte_a[1] | (byte_a[0] << 8)) + +def _int2twobytes(int_16bit): + r'''encode a 16 bit quantity into two bytes,''' + return bytes([(int_16bit>>8) & 0xFF, int_16bit & 0xFF]) + +def _read_14_bit(byte_a): + r'''decode a 14 bit quantity from two bytes,''' + return (byte_a[0] | (byte_a[1] << 7)) + +def _write_14_bit(int_14bit): + r'''encode a 14 bit quantity into two bytes,''' + return bytes([int_14bit & 0x7F, (int_14bit>>7) & 0x7F]) + +def _ber_compressed_int(integer): + r'''BER compressed integer (not an ASN.1 BER, see perlpacktut for +details). Its bytes represent an unsigned integer in base 128, +most significant digit first, with as few digits as possible. +Bit eight (the high bit) is set on each byte except the last. +''' + ber = bytearray(b'') + seven_bits = 0x7F & integer + ber.insert(0, seven_bits) # XXX surely should convert to a char ? + integer >>= 7 + while integer > 0: + seven_bits = 0x7F & integer + ber.insert(0, 0x80|seven_bits) # XXX surely should convert to a char ? + integer >>= 7 + return ber + +def _unshift_ber_int(ba): + r'''Given a bytearray, returns a tuple of (the ber-integer at the +start, and the remainder of the bytearray). +''' + if not len(ba): # 6.7 + _warn('_unshift_ber_int: no integer found') + return ((0, b"")) + byte = ba.pop(0) + integer = 0 + while True: + integer += (byte & 0x7F) + if not (byte & 0x80): + return ((integer, ba)) + if not len(ba): + _warn('_unshift_ber_int: no end-of-integer found') + return ((0, ba)) + byte = ba.pop(0) + integer <<= 7 + +def _clean_up_warnings(): # 5.4 + # Call this before returning from any publicly callable function + # whenever there's a possibility that a warning might have been printed + # by the function, or by any private functions it might have called. + global _previous_times + global _previous_warning + if _previous_times > 1: + # E:1176, 0: invalid syntax (, line 1176) (syntax-error) ??? + # print(' previous message repeated '+str(_previous_times)+' times', file=sys.stderr) + # 6.7 + sys.stderr.write(' previous message repeated {0} times\n'.format(_previous_times)) + elif _previous_times > 0: + sys.stderr.write(' previous message repeated\n') + _previous_times = 0 + _previous_warning = '' + +def _warn(s=''): + global _previous_times + global _previous_warning + if s == _previous_warning: # 5.4 + _previous_times = _previous_times + 1 + else: + _clean_up_warnings() + sys.stderr.write(str(s)+"\n") + _previous_warning = s + +def _some_text_event(which_kind=0x01, text=b'some_text', text_encoding='ISO-8859-1'): + if str(type(text)).find("'str'") >= 0: # 6.4 test for back-compatibility + data = bytes(text, encoding=text_encoding) + else: + data = bytes(text) + return b'\xFF'+bytes((which_kind,))+_ber_compressed_int(len(data))+data + +def _consistentise_ticks(scores): # 3.6 + # used by mix_scores, merge_scores, concatenate_scores + if len(scores) == 1: + return copy.deepcopy(scores) + are_consistent = True + ticks = scores[0][0] + iscore = 1 + while iscore < len(scores): + if scores[iscore][0] != ticks: + are_consistent = False + break + iscore += 1 + if are_consistent: + return copy.deepcopy(scores) + new_scores = [] + iscore = 0 + while iscore < len(scores): + score = scores[iscore] + new_scores.append(opus2score(to_millisecs(score2opus(score)))) + iscore += 1 + return new_scores + + +########################################################################### + +def _decode(trackdata=b'', exclude=None, include=None, + event_callback=None, exclusive_event_callback=None, no_eot_magic=False): + r'''Decodes MIDI track data into an opus-style list of events. +The options: + 'exclude' is a list of event types which will be ignored SHOULD BE A SET + 'include' (and no exclude), makes exclude a list + of all possible events, /minus/ what include specifies + 'event_callback' is a coderef + 'exclusive_event_callback' is a coderef +''' + trackdata = bytearray(trackdata) + if exclude == None: + exclude = [] + if include == None: + include = [] + if include and not exclude: + exclude = All_events + include = set(include) + exclude = set(exclude) + + # Pointer = 0; not used here; we eat through the bytearray instead. + event_code = -1; # used for running status + event_count = 0; + events = [] + + while(len(trackdata)): + # loop while there's anything to analyze ... + eot = False # When True, the event registrar aborts this loop + event_count += 1 + + E = [] + # E for events - we'll feed it to the event registrar at the end. + + # Slice off the delta time code, and analyze it + [time, remainder] = _unshift_ber_int(trackdata) + + # Now let's see what we can make of the command + first_byte = trackdata.pop(0) & 0xFF + + if (first_byte < 0xF0): # It's a MIDI event + if (first_byte & 0x80): + event_code = first_byte + else: + # It wants running status; use last event_code value + trackdata.insert(0, first_byte) + if (event_code == -1): + _warn("Running status not set; Aborting track.") + return [] + + command = event_code & 0xF0 + channel = event_code & 0x0F + + if (command == 0xF6): # 0-byte argument + pass + elif (command == 0xC0 or command == 0xD0): # 1-byte argument + parameter = trackdata.pop(0) # could be B + else: # 2-byte argument could be BB or 14-bit + parameter = (trackdata.pop(0), trackdata.pop(0)) + + ################################################################# + # MIDI events + + if (command == 0x80): + if 'note_off' in exclude: + continue + E = ['note_off', time, channel, parameter[0], parameter[1]] + elif (command == 0x90): + if 'note_on' in exclude: + continue + E = ['note_on', time, channel, parameter[0], parameter[1]] + elif (command == 0xA0): + if 'key_after_touch' in exclude: + continue + E = ['key_after_touch',time,channel,parameter[0],parameter[1]] + elif (command == 0xB0): + if 'control_change' in exclude: + continue + E = ['control_change',time,channel,parameter[0],parameter[1]] + elif (command == 0xC0): + if 'patch_change' in exclude: + continue + E = ['patch_change', time, channel, parameter] + elif (command == 0xD0): + if 'channel_after_touch' in exclude: + continue + E = ['channel_after_touch', time, channel, parameter] + elif (command == 0xE0): + if 'pitch_wheel_change' in exclude: + continue + E = ['pitch_wheel_change', time, channel, + _read_14_bit(parameter)-0x2000] + else: + _warn("Shouldn't get here; command="+hex(command)) + + elif (first_byte == 0xFF): # It's a Meta-Event! ################## + #[command, length, remainder] = + # unpack("xCwa*", substr(trackdata, $Pointer, 6)); + #Pointer += 6 - len(remainder); + # # Move past JUST the length-encoded. + command = trackdata.pop(0) & 0xFF + [length, trackdata] = _unshift_ber_int(trackdata) + if (command == 0x00): + if (length == 2): + E = ['set_sequence_number',time,_twobytes2int(trackdata)] + else: + _warn('set_sequence_number: length must be 2, not '+str(length)) + E = ['set_sequence_number', time, 0] + + elif command >= 0x01 and command <= 0x0f: # Text events + # 6.2 take it in bytes; let the user get the right encoding. + # text_str = trackdata[0:length].decode('ascii','ignore') + # text_str = trackdata[0:length].decode('ISO-8859-1') + # 6.4 take it in bytes; let the user get the right encoding. + text_data = bytes(trackdata[0:length]) # 6.4 + # Defined text events + if (command == 0x01): + E = ['text_event', time, text_data] + elif (command == 0x02): + E = ['copyright_text_event', time, text_data] + elif (command == 0x03): + E = ['track_name', time, text_data] + elif (command == 0x04): + E = ['instrument_name', time, text_data] + elif (command == 0x05): + E = ['lyric', time, text_data] + elif (command == 0x06): + E = ['marker', time, text_data] + elif (command == 0x07): + E = ['cue_point', time, text_data] + # Reserved but apparently unassigned text events + elif (command == 0x08): + E = ['text_event_08', time, text_data] + elif (command == 0x09): + E = ['text_event_09', time, text_data] + elif (command == 0x0a): + E = ['text_event_0a', time, text_data] + elif (command == 0x0b): + E = ['text_event_0b', time, text_data] + elif (command == 0x0c): + E = ['text_event_0c', time, text_data] + elif (command == 0x0d): + E = ['text_event_0d', time, text_data] + elif (command == 0x0e): + E = ['text_event_0e', time, text_data] + elif (command == 0x0f): + E = ['text_event_0f', time, text_data] + + # Now the sticky events ------------------------------------- + elif (command == 0x2F): + E = ['end_track', time] + # The code for handling this, oddly, comes LATER, + # in the event registrar. + elif (command == 0x51): # DTime, Microseconds/Crochet + if length != 3: + _warn('set_tempo event, but length='+str(length)) + E = ['set_tempo', time, + struct.unpack(">I", b'\x00'+trackdata[0:3])[0]] + elif (command == 0x54): + if length != 5: # DTime, HR, MN, SE, FR, FF + _warn('smpte_offset event, but length='+str(length)) + E = ['smpte_offset',time] + list(struct.unpack(">BBBBB",trackdata[0:5])) + elif (command == 0x58): + if length != 4: # DTime, NN, DD, CC, BB + _warn('time_signature event, but length='+str(length)) + E = ['time_signature', time]+list(trackdata[0:4]) + elif (command == 0x59): + if length != 2: # DTime, SF(signed), MI + _warn('key_signature event, but length='+str(length)) + E = ['key_signature',time] + list(struct.unpack(">bB",trackdata[0:2])) + elif (command == 0x7F): # 6.4 + E = ['sequencer_specific',time, bytes(trackdata[0:length])] + else: + E = ['raw_meta_event', time, command, + bytes(trackdata[0:length])] # 6.0 + #"[uninterpretable meta-event command of length length]" + # DTime, Command, Binary Data + # It's uninterpretable; record it as raw_data. + + # Pointer += length; # Now move Pointer + trackdata = trackdata[length:] + + ###################################################################### + elif (first_byte == 0xF0 or first_byte == 0xF7): + # Note that sysexes in MIDI /files/ are different than sysexes + # in MIDI transmissions!! The vast majority of system exclusive + # messages will just use the F0 format. For instance, the + # transmitted message F0 43 12 00 07 F7 would be stored in a + # MIDI file as F0 05 43 12 00 07 F7. As mentioned above, it is + # required to include the F7 at the end so that the reader of the + # MIDI file knows that it has read the entire message. (But the F7 + # is omitted if this is a non-final block in a multiblock sysex; + # but the F7 (if there) is counted in the message's declared + # length, so we don't have to think about it anyway.) + #command = trackdata.pop(0) + [length, trackdata] = _unshift_ber_int(trackdata) + if first_byte == 0xF0: + # 20091008 added ISO-8859-1 to get an 8-bit str + # 6.4 return bytes instead + E = ['sysex_f0', time, bytes(trackdata[0:length])] + else: + E = ['sysex_f7', time, bytes(trackdata[0:length])] + trackdata = trackdata[length:] + + ###################################################################### + # Now, the MIDI file spec says: + # = + + # = + # = | | + # I know that, on the wire, can include note_on, + # note_off, and all the other 8x to Ex events, AND Fx events + # other than F0, F7, and FF -- namely, , + # , and . + # + # Whether these can occur in MIDI files is not clear specified + # from the MIDI file spec. So, I'm going to assume that + # they CAN, in practice, occur. I don't know whether it's + # proper for you to actually emit these into a MIDI file. + + elif (first_byte == 0xF2): # DTime, Beats + # ::= F2 + E = ['song_position', time, _read_14_bit(trackdata[:2])] + trackdata = trackdata[2:] + + elif (first_byte == 0xF3): # ::= F3 + # E = ['song_select', time, struct.unpack('>B',trackdata.pop(0))[0]] + E = ['song_select', time, trackdata[0]] + trackdata = trackdata[1:] + # DTime, Thing (what?! song number? whatever ...) + + elif (first_byte == 0xF6): # DTime + E = ['tune_request', time] + # What would a tune request be doing in a MIDI /file/? + + ######################################################### + # ADD MORE META-EVENTS HERE. TODO: + # f1 -- MTC Quarter Frame Message. One data byte follows + # the Status; it's the time code value, from 0 to 127. + # f8 -- MIDI clock. no data. + # fa -- MIDI start. no data. + # fb -- MIDI continue. no data. + # fc -- MIDI stop. no data. + # fe -- Active sense. no data. + # f4 f5 f9 fd -- unallocated + + r''' + elif (first_byte > 0xF0) { # Some unknown kinda F-series event #### + # Here we only produce a one-byte piece of raw data. + # But the encoder for 'raw_data' accepts any length of it. + E = [ 'raw_data', + time, substr(trackdata,Pointer,1) ] + # DTime and the Data (in this case, the one Event-byte) + ++Pointer; # itself + +''' + elif first_byte > 0xF0: # Some unknown F-series event + # Here we only produce a one-byte piece of raw data. + # E = ['raw_data', time, bytest(trackdata[0])] # 6.4 + E = ['raw_data', time, trackdata[0]] # 6.4 6.7 + trackdata = trackdata[1:] + else: # Fallthru. + _warn("Aborting track. Command-byte first_byte="+hex(first_byte)) + break + # End of the big if-group + + + ###################################################################### + # THE EVENT REGISTRAR... + if E and (E[0] == 'end_track'): + # This is the code for exceptional handling of the EOT event. + eot = True + if not no_eot_magic: + if E[1] > 0: # a null text-event to carry the delta-time + E = ['text_event', E[1], ''] + else: + E = [] # EOT with a delta-time of 0; ignore it. + + if E and not (E[0] in exclude): + #if ( $exclusive_event_callback ): + # &{ $exclusive_event_callback }( @E ); + #else: + # &{ $event_callback }( @E ) if $event_callback; + events.append(E) + if eot: + break + + # End of the big "Event" while-block + + return events + + +########################################################################### +def _encode(events_lol, unknown_callback=None, never_add_eot=False, + no_eot_magic=False, no_running_status=False, text_encoding='ISO-8859-1'): + # encode an event structure, presumably for writing to a file + # Calling format: + # $data_r = MIDI::Event::encode( \@event_lol, { options } ); + # Takes a REFERENCE to an event structure (a LoL) + # Returns an (unblessed) REFERENCE to track data. + + # If you want to use this to encode a /single/ event, + # you still have to do it as a reference to an event structure (a LoL) + # that just happens to have just one event. I.e., + # encode( [ $event ] ) or encode( [ [ 'note_on', 100, 5, 42, 64] ] ) + # If you're doing this, consider the never_add_eot track option, as in + # print MIDI ${ encode( [ $event], { 'never_add_eot' => 1} ) }; + + data = [] # what I'll store the chunks of byte-data in + + # This is so my end_track magic won't corrupt the original + events = copy.deepcopy(events_lol) + + if not never_add_eot: + # One way or another, tack on an 'end_track' + if events: + last = events[-1] + if not (last[0] == 'end_track'): # no end_track already + if (last[0] == 'text_event' and len(last[2]) == 0): + # 0-length text event at track-end. + if no_eot_magic: + # Exceptional case: don't mess with track-final + # 0-length text_events; just peg on an end_track + events.append(['end_track', 0]) + else: + # NORMAL CASE: replace with an end_track, leaving DTime + last[0] = 'end_track' + else: + # last event was neither 0-length text_event nor end_track + events.append(['end_track', 0]) + else: # an eventless track! + events = [['end_track', 0],] + + # maybe_running_status = not no_running_status # unused? 4.7 + last_status = -1 + + for event_r in (events): + E = copy.deepcopy(event_r) + # otherwise the shifting'd corrupt the original + if not E: + continue + + event = E.pop(0) + if not len(event): + continue + + dtime = int(E.pop(0)) + # print('event='+str(event)+' dtime='+str(dtime)) + + event_data = '' + + if ( # MIDI events -- eligible for running status + event == 'note_on' + or event == 'note_off' + or event == 'control_change' + or event == 'key_after_touch' + or event == 'patch_change' + or event == 'channel_after_touch' + or event == 'pitch_wheel_change' ): + + # This block is where we spend most of the time. Gotta be tight. + if (event == 'note_off'): + status = 0x80 | (int(E[0]) & 0x0F) + parameters = struct.pack('>BB', int(E[1])&0x7F, int(E[2])&0x7F) + elif (event == 'note_on'): + status = 0x90 | (int(E[0]) & 0x0F) + parameters = struct.pack('>BB', int(E[1])&0x7F, int(E[2])&0x7F) + elif (event == 'key_after_touch'): + status = 0xA0 | (int(E[0]) & 0x0F) + parameters = struct.pack('>BB', int(E[1])&0x7F, int(E[2])&0x7F) + elif (event == 'control_change'): + status = 0xB0 | (int(E[0]) & 0x0F) + parameters = struct.pack('>BB', int(E[1])&0xFF, int(E[2])&0xFF) + elif (event == 'patch_change'): + status = 0xC0 | (int(E[0]) & 0x0F) + parameters = struct.pack('>B', int(E[1]) & 0xFF) + elif (event == 'channel_after_touch'): + status = 0xD0 | (int(E[0]) & 0x0F) + parameters = struct.pack('>B', int(E[1]) & 0xFF) + elif (event == 'pitch_wheel_change'): + status = 0xE0 | (int(E[0]) & 0x0F) + parameters = _write_14_bit(int(E[1]) + 0x2000) + else: + _warn("BADASS FREAKOUT ERROR 31415!") + + # And now the encoding + # w = BER compressed integer (not ASN.1 BER, see perlpacktut for + # details). Its bytes represent an unsigned integer in base 128, + # most significant digit first, with as few digits as possible. + # Bit eight (the high bit) is set on each byte except the last. + + data.append(_ber_compressed_int(dtime)) + if (status != last_status) or no_running_status: + data.append(struct.pack('>B', status)) + data.append(parameters) + + last_status = status + continue + else: + # Not a MIDI event. + # All the code in this block could be more efficient, + # but this is not where the code needs to be tight. + # print "zaz $event\n"; + last_status = -1 + + if event == 'raw_meta_event': + event_data = _some_text_event(int(E[0]), E[1], text_encoding) + elif (event == 'set_sequence_number'): # 3.9 + event_data = b'\xFF\x00\x02'+_int2twobytes(E[0]) + + # Text meta-events... + # a case for a dict, I think (pjb) ... + elif (event == 'text_event'): + event_data = _some_text_event(0x01, E[0], text_encoding) + elif (event == 'copyright_text_event'): + event_data = _some_text_event(0x02, E[0], text_encoding) + elif (event == 'track_name'): + event_data = _some_text_event(0x03, E[0], text_encoding) + elif (event == 'instrument_name'): + event_data = _some_text_event(0x04, E[0], text_encoding) + elif (event == 'lyric'): + event_data = _some_text_event(0x05, E[0], text_encoding) + elif (event == 'marker'): + event_data = _some_text_event(0x06, E[0], text_encoding) + elif (event == 'cue_point'): + event_data = _some_text_event(0x07, E[0], text_encoding) + elif (event == 'text_event_08'): + event_data = _some_text_event(0x08, E[0], text_encoding) + elif (event == 'text_event_09'): + event_data = _some_text_event(0x09, E[0], text_encoding) + elif (event == 'text_event_0a'): + event_data = _some_text_event(0x0A, E[0], text_encoding) + elif (event == 'text_event_0b'): + event_data = _some_text_event(0x0B, E[0], text_encoding) + elif (event == 'text_event_0c'): + event_data = _some_text_event(0x0C, E[0], text_encoding) + elif (event == 'text_event_0d'): + event_data = _some_text_event(0x0D, E[0], text_encoding) + elif (event == 'text_event_0e'): + event_data = _some_text_event(0x0E, E[0], text_encoding) + elif (event == 'text_event_0f'): + event_data = _some_text_event(0x0F, E[0], text_encoding) + # End of text meta-events + + elif (event == 'end_track'): + event_data = b"\xFF\x2F\x00" + + elif (event == 'set_tempo'): + #event_data = struct.pack(">BBwa*", 0xFF, 0x51, 3, + # substr( struct.pack('>I', E[0]), 1, 3)) + event_data = b'\xFF\x51\x03'+struct.pack('>I',E[0])[1:] + elif (event == 'smpte_offset'): + # event_data = struct.pack(">BBwBBBBB", 0xFF, 0x54, 5, E[0:5] ) + event_data = struct.pack(">BBBbBBBB", 0xFF,0x54,0x05,E[0],E[1],E[2],E[3],E[4]) + elif (event == 'time_signature'): + # event_data = struct.pack(">BBwBBBB", 0xFF, 0x58, 4, E[0:4] ) + event_data = struct.pack(">BBBbBBB", 0xFF, 0x58, 0x04, E[0],E[1],E[2],E[3]) + elif (event == 'key_signature'): + event_data = struct.pack(">BBBbB", 0xFF, 0x59, 0x02, E[0],E[1]) + elif (event == 'sequencer_specific'): + # event_data = struct.pack(">BBwa*", 0xFF,0x7F, len(E[0]), E[0]) + event_data = _some_text_event(0x7F, E[0], text_encoding) + # End of Meta-events + + # Other Things... + elif (event == 'sysex_f0'): + #event_data = struct.pack(">Bwa*", 0xF0, len(E[0]), E[0]) + #B=bitstring w=BER-compressed-integer a=null-padded-ascii-str + event_data = bytearray(b'\xF0')+_ber_compressed_int(len(E[0]))+bytearray(E[0]) + elif (event == 'sysex_f7'): + #event_data = struct.pack(">Bwa*", 0xF7, len(E[0]), E[0]) + event_data = bytearray(b'\xF7')+_ber_compressed_int(len(E[0]))+bytearray(E[0]) + + elif (event == 'song_position'): + event_data = b"\xF2" + _write_14_bit( E[0] ) + elif (event == 'song_select'): + event_data = struct.pack('>BB', 0xF3, E[0] ) + elif (event == 'tune_request'): + event_data = b"\xF6" + elif (event == 'raw_data'): + _warn("_encode: raw_data event not supported") + # event_data = E[0] + continue + # End of Other Stuff + + else: + # The Big Fallthru + if unknown_callback: + # push(@data, &{ $unknown_callback }( @$event_r )) + pass + else: + _warn("Unknown event: "+str(event)) + # To surpress complaint here, just set + # 'unknown_callback' => sub { return () } + continue + + #print "Event $event encoded part 2\n" + if str(type(event_data)).find("'str'") >= 0: + event_data = bytearray(event_data.encode('Latin1', 'ignore')) + if len(event_data): # how could $event_data be empty + # data.append(struct.pack('>wa*', dtime, event_data)) + # print(' event_data='+str(event_data)) + data.append(_ber_compressed_int(dtime)+event_data) + + return b''.join(data) + +################################################################################### +################################################################################### +################################################################################### +# +# Tegridy MIDI X Module (TMIDI X / tee-midi eks) +# Version 1.0 +# +# Based upon and includes the amazing MIDI.py module v.6.7. by Peter Billam +# pjb.com.au +# +# Project Los Angeles +# Tegridy Code 2021 +# https://github.com/Tegridy-Code/Project-Los-Angeles +# +################################################################################### +################################################################################### +################################################################################### + +import os + +import datetime + +import copy + +from datetime import datetime + +import secrets + +import random + +import pickle + +import csv + +import tqdm + +from itertools import zip_longest +from itertools import groupby + +from operator import itemgetter + +import sys + +from abc import ABC, abstractmethod + +from difflib import SequenceMatcher as SM + +import statistics + +################################################################################### +# +# Original TMIDI Tegridy helper functions +# +################################################################################### + +def Tegridy_TXT_to_INT_Converter(input_TXT_string, line_by_line_INT_string=True, max_INT = 0): + + '''Tegridy TXT to Intergers Converter + + Input: Input TXT string in the TMIDI-TXT format + + Type of output TXT INT string: line-by-line or one long string + + Maximum absolute integer to process. Maximum is inclusive + Default = process all integers. This helps to remove outliers/unwanted ints + + Output: List of pure intergers + String of intergers in the specified format: line-by-line or one long string + Number of processed integers + Number of skipped integers + + Project Los Angeles + Tegridy Code 2021''' + + print('Tegridy TXT to Intergers Converter') + + output_INT_list = [] + + npi = 0 + nsi = 0 + + TXT_List = list(input_TXT_string) + for char in TXT_List: + if max_INT != 0: + if abs(ord(char)) <= max_INT: + output_INT_list.append(ord(char)) + npi += 1 + else: + nsi += 1 + else: + output_INT_list.append(ord(char)) + npi += 1 + + if line_by_line_INT_string: + output_INT_string = '\n'.join([str(elem) for elem in output_INT_list]) + else: + output_INT_string = ' '.join([str(elem) for elem in output_INT_list]) + + print('Converted TXT to INTs:', npi, ' / ', nsi) + + return output_INT_list, output_INT_string, npi, nsi + +################################################################################### + +def Tegridy_INT_to_TXT_Converter(input_INT_list): + + '''Tegridy Intergers to TXT Converter + + Input: List of intergers in TMIDI-TXT-INT format + Output: Decoded TXT string in TMIDI-TXT format + Project Los Angeles + Tegridy Code 2020''' + + output_TXT_string = '' + + for i in input_INT_list: + output_TXT_string += chr(int(i)) + + return output_TXT_string + +################################################################################### + +def Tegridy_INT_String_to_TXT_Converter(input_INT_String, line_by_line_input=True): + + '''Tegridy Intergers String to TXT Converter + + Input: List of intergers in TMIDI-TXT-INT-String format + Output: Decoded TXT string in TMIDI-TXT format + Project Los Angeles + Tegridy Code 2020''' + + print('Tegridy Intergers String to TXT Converter') + + if line_by_line_input: + input_string = input_INT_String.split('\n') + else: + input_string = input_INT_String.split(' ') + + output_TXT_string = '' + + for i in input_string: + try: + output_TXT_string += chr(abs(int(i))) + except: + print('Bad note:', i) + continue + + print('Done!') + + return output_TXT_string + +################################################################################### + +def Tegridy_SONG_to_MIDI_Converter(SONG, + output_signature = 'Tegridy TMIDI Module', + track_name = 'Composition Track', + number_of_ticks_per_quarter = 425, + list_of_MIDI_patches = [0, 24, 32, 40, 42, 46, 56, 71, 73, 0, 0, 0, 0, 0, 0, 0], + output_file_name = 'TMIDI-Composition', + text_encoding='ISO-8859-1'): + + '''Tegridy SONG to MIDI Converter + + Input: Input SONG in TMIDI SONG/MIDI.py Score format + Output MIDI Track 0 name / MIDI Signature + Output MIDI Track 1 name / Composition track name + Number of ticks per quarter for the output MIDI + List of 16 MIDI patch numbers for output MIDI. Def. is MuseNet compatible patches. + Output file name w/o .mid extension. + Optional text encoding if you are working with text_events/lyrics. This is especially useful for Karaoke. Please note that anything but ISO-8859-1 is a non-standard way of encoding text_events according to MIDI specs. + + Output: MIDI File + Detailed MIDI stats + + Project Los Angeles + Tegridy Code 2020''' + + print('Converting to MIDI. Please stand-by...') + + output_header = [number_of_ticks_per_quarter, + [['track_name', 0, bytes(output_signature, text_encoding)]]] + + patch_list = [['patch_change', 0, 0, list_of_MIDI_patches[0]], + ['patch_change', 0, 1, list_of_MIDI_patches[1]], + ['patch_change', 0, 2, list_of_MIDI_patches[2]], + ['patch_change', 0, 3, list_of_MIDI_patches[3]], + ['patch_change', 0, 4, list_of_MIDI_patches[4]], + ['patch_change', 0, 5, list_of_MIDI_patches[5]], + ['patch_change', 0, 6, list_of_MIDI_patches[6]], + ['patch_change', 0, 7, list_of_MIDI_patches[7]], + ['patch_change', 0, 8, list_of_MIDI_patches[8]], + ['patch_change', 0, 9, list_of_MIDI_patches[9]], + ['patch_change', 0, 10, list_of_MIDI_patches[10]], + ['patch_change', 0, 11, list_of_MIDI_patches[11]], + ['patch_change', 0, 12, list_of_MIDI_patches[12]], + ['patch_change', 0, 13, list_of_MIDI_patches[13]], + ['patch_change', 0, 14, list_of_MIDI_patches[14]], + ['patch_change', 0, 15, list_of_MIDI_patches[15]], + ['track_name', 0, bytes(track_name, text_encoding)]] + + output = output_header + [patch_list + SONG] + + midi_data = score2midi(output, text_encoding) + detailed_MIDI_stats = score2stats(output) + + with open(output_file_name + '.mid', 'wb') as midi_file: + midi_file.write(midi_data) + midi_file.close() + + print('Done! Enjoy! :)') + + return detailed_MIDI_stats + +################################################################################### + +def Tegridy_File_Time_Stamp(input_file_name='File_Created_on_', ext = ''): + + '''Tegridy File Time Stamp + + Input: Full path and file name without extention + File extension + + Output: File name string with time-stamp and extension (time-stamped file name) + + Project Los Angeles + Tegridy Code 2021''' + + print('Time-stamping output file...') + + now = '' + now_n = str(datetime.now()) + now_n = now_n.replace(' ', '_') + now_n = now_n.replace(':', '_') + now = now_n.replace('.', '_') + + fname = input_file_name + str(now) + ext + + return(fname) + +################################################################################### + +def Tegridy_Any_Pickle_File_Writer(Data, input_file_name='TMIDI_Pickle_File'): + + '''Tegridy Pickle File Writer + + Input: Data to write (I.e. a list) + Full path and file name without extention + + Output: Named Pickle file + + Project Los Angeles + Tegridy Code 2021''' + + print('Tegridy Pickle File Writer') + + full_path_to_output_dataset_to = input_file_name + '.pickle' + + if os.path.exists(full_path_to_output_dataset_to): + os.remove(full_path_to_output_dataset_to) + print('Removing old Dataset...') + else: + print("Creating new Dataset file...") + + with open(full_path_to_output_dataset_to, 'wb') as filehandle: + # store the data as binary data stream + pickle.dump(Data, filehandle, protocol=pickle.HIGHEST_PROTOCOL) + + print('Dataset was saved as:', full_path_to_output_dataset_to) + print('Task complete. Enjoy! :)') + +################################################################################### + +def Tegridy_Any_Pickle_File_Reader(input_file_name='TMIDI_Pickle_File', ext='.pickle'): + + '''Tegridy Pickle File Loader + + Input: Full path and file name without extention + File extension if different from default .pickle + + Output: Standard Python 3 unpickled data object + + Project Los Angeles + Tegridy Code 2021''' + + print('Tegridy Pickle File Loader') + print('Loading the pickle file. Please wait...') + + with open(input_file_name + ext, 'rb') as pickle_file: + content = pickle.load(pickle_file) + + return content + +################################################################################### + +# TMIDI X Code is below + +################################################################################### + +def Optimus_MIDI_TXT_Processor(MIDI_file, + line_by_line_output=True, + chordify_TXT=False, + dataset_MIDI_events_time_denominator=1, + output_velocity=True, + output_MIDI_channels = False, + MIDI_channel=0, + MIDI_patch=[0, 1], + char_offset = 30000, + transpose_by = 0, + flip=False, + melody_conditioned_encoding=False, + melody_pitch_baseline = 0, + number_of_notes_to_sample = -1, + sampling_offset_from_start = 0, + karaoke=False, + karaoke_language_encoding='utf-8', + song_name='Song', + perfect_timings=False, + musenet_encoding=False, + transform=0, + zero_token=False, + reset_timings=False): + + '''Project Los Angeles + Tegridy Code 2021''' + +########### + + debug = False + + ev = 0 + + chords_list_final = [] + chords_list = [] + events_matrix = [] + melody = [] + melody1 = [] + + itrack = 1 + + min_note = 0 + max_note = 0 + ev = 0 + patch = 0 + + score = [] + rec_event = [] + + txt = '' + txtc = '' + chords = [] + melody_chords = [] + + karaoke_events_matrix = [] + karaokez = [] + + sample = 0 + start_sample = 0 + + bass_melody = [] + + INTS = [] + bints = 0 + +########### + + def list_average(num): + sum_num = 0 + for t in num: + sum_num = sum_num + t + + avg = sum_num / len(num) + return avg + +########### + + #print('Loading MIDI file...') + midi_file = open(MIDI_file, 'rb') + if debug: print('Processing File:', file_address) + + try: + opus = midi2opus(midi_file.read()) + + except: + print('Problematic MIDI. Skipping...') + print('File name:', MIDI_file) + midi_file.close() + return txt, melody, chords + + midi_file.close() + + score1 = to_millisecs(opus) + score2 = opus2score(score1) + + # score2 = opus2score(opus) # TODO Improve score timings when it will be possible. + + if MIDI_channel == 16: # Process all MIDI channels + score = score2 + + if MIDI_channel >= 0 and MIDI_channel <= 15: # Process only a selected single MIDI channel + score = grep(score2, [MIDI_channel]) + + if MIDI_channel == -1: # Process all channels except drums (except channel 9) + score = grep(score2, [0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15]) + + #print('Reading all MIDI events from the MIDI file...') + while itrack < len(score): + for event in score[itrack]: + + if perfect_timings: + if event[0] == 'note': + event[1] = round(event[1], -1) + event[2] = round(event[2], -1) + + if event[0] == 'text_event' or event[0] == 'lyric' or event[0] == 'note': + if perfect_timings: + event[1] = round(event[1], -1) + karaokez.append(event) + + if event[0] == 'text_event' or event[0] == 'lyric': + if perfect_timings: + event[1] = round(event[1], -1) + try: + event[2] = str(event[2].decode(karaoke_language_encoding, 'replace')).replace('/', '').replace(' ', '').replace('\\', '') + except: + event[2] = str(event[2]).replace('/', '').replace(' ', '').replace('\\', '') + continue + karaoke_events_matrix.append(event) + + if event[0] == 'patch_change': + patch = event[3] + + if event[0] == 'note' and patch in MIDI_patch: + if len(event) == 6: # Checking for bad notes... + eve = copy.deepcopy(event) + + eve[1] = int(event[1] / dataset_MIDI_events_time_denominator) + eve[2] = int(event[2] / dataset_MIDI_events_time_denominator) + + eve[4] = int(event[4] + transpose_by) + + if flip == True: + eve[4] = int(127 - (event[4] + transpose_by)) + + if number_of_notes_to_sample > -1: + if sample <= number_of_notes_to_sample: + if start_sample >= sampling_offset_from_start: + events_matrix.append(eve) + sample += 1 + ev += 1 + else: + start_sample += 1 + + else: + events_matrix.append(eve) + ev += 1 + start_sample += 1 + + itrack +=1 # Going to next track... + + #print('Doing some heavy pythonic sorting...Please stand by...') + + fn = os.path.basename(MIDI_file) + song_name = song_name.replace(' ', '_').replace('=', '_').replace('\'', '-') + if song_name == 'Song': + sng_name = fn.split('.')[0].replace(' ', '_').replace('=', '_').replace('\'', '-') + song_name = sng_name + + # Zero token + if zero_token: + txt += chr(char_offset) + chr(char_offset) + if output_MIDI_channels: + txt += chr(char_offset) + if output_velocity: + txt += chr(char_offset) + chr(char_offset) + else: + txt += chr(char_offset) + + txtc += chr(char_offset) + chr(char_offset) + if output_MIDI_channels: + txtc += chr(char_offset) + if output_velocity: + txtc += chr(char_offset) + chr(char_offset) + else: + txtc += chr(char_offset) + + txt += '=' + song_name + '_with_' + str(len(events_matrix)-1) + '_notes' + txtc += '=' + song_name + '_with_' + str(len(events_matrix)-1) + '_notes' + + else: + # Song stamp + txt += 'SONG=' + song_name + '_with_' + str(len(events_matrix)-1) + '_notes' + txtc += 'SONG=' + song_name + '_with_' + str(len(events_matrix)-1) + '_notes' + + if line_by_line_output: + txt += chr(10) + txtc += chr(10) + else: + txt += chr(32) + txtc += chr(32) + + #print('Sorting input by start time...') + events_matrix.sort(key=lambda x: x[1]) # Sorting input by start time + + #print('Timings converter') + if reset_timings: + ev_matrix = Tegridy_Timings_Converter(events_matrix)[0] + else: + ev_matrix = events_matrix + + chords.extend(ev_matrix) + #print(chords) + + #print('Extracting melody...') + melody_list = [] + + #print('Grouping by start time. This will take a while...') + values = set(map(lambda x:x[1], ev_matrix)) # Non-multithreaded function version just in case + + groups = [[y for y in ev_matrix if y[1]==x and len(y) == 6] for x in values] # Grouping notes into chords while discarting bad notes... + + #print('Sorting events...') + for items in groups: + + items.sort(reverse=True, key=lambda x: x[4]) # Sorting events by pitch + + if melody_conditioned_encoding: items[0][3] = 0 # Melody should always bear MIDI Channel 0 for code to work + + melody_list.append(items[0]) # Creating final melody list + melody_chords.append(items) # Creating final chords list + bass_melody.append(items[-1]) # Creating final bass melody list + + # [WIP] Melody-conditioned chords list + if melody_conditioned_encoding == True: + if not karaoke: + + previous_event = copy.deepcopy(melody_chords[0][0]) + + for ev in melody_chords: + hp = True + ev.sort(reverse=False, key=lambda x: x[4]) # Sorting chord events by pitch + for event in ev: + + # Computing events details + start_time = int(abs(event[1] - previous_event[1])) + + duration = int(previous_event[2]) + + if hp == True: + if int(previous_event[4]) >= melody_pitch_baseline: + channel = int(0) + hp = False + else: + channel = int(previous_event[3]+1) + hp = False + else: + channel = int(previous_event[3]+1) + hp = False + + pitch = int(previous_event[4]) + + velocity = int(previous_event[5]) + + # Writing INTergerS... + try: + INTS.append([(start_time)+char_offset, (duration)+char_offset, channel+char_offset, pitch+char_offset, velocity+char_offset]) + except: + bints += 1 + + # Converting to TXT if possible... + try: + txtc += str(chr(start_time + char_offset)) + txtc += str(chr(duration + char_offset)) + txtc += str(chr(pitch + char_offset)) + if output_velocity: + txtc += str(chr(velocity + char_offset)) + if output_MIDI_channels: + txtc += str(chr(channel + char_offset)) + + if line_by_line_output: + + + txtc += chr(10) + else: + + txtc += chr(32) + + previous_event = copy.deepcopy(event) + + except: + # print('Problematic MIDI event! Skipping...') + continue + + if not line_by_line_output: + txtc += chr(10) + + txt = txtc + chords = melody_chords + + # Default stuff (not melody-conditioned/not-karaoke) + else: + if not karaoke: + melody_chords.sort(reverse=False, key=lambda x: x[0][1]) + mel_chords = [] + for mc in melody_chords: + mel_chords.extend(mc) + + if transform != 0: + chords = Tegridy_Transform(mel_chords, transform) + else: + chords = mel_chords + + # TXT Stuff + previous_event = copy.deepcopy(chords[0]) + for event in chords: + + # Computing events details + start_time = int(abs(event[1] - previous_event[1])) + + duration = int(previous_event[2]) + + channel = int(previous_event[3]) + + pitch = int(previous_event[4] + transpose_by) + if flip == True: + pitch = 127 - int(previous_event[4] + transpose_by) + + velocity = int(previous_event[5]) + + # Writing INTergerS... + try: + INTS.append([(start_time)+char_offset, (duration)+char_offset, channel+char_offset, pitch+char_offset, velocity+char_offset]) + except: + bints += 1 + + # Converting to TXT if possible... + try: + txt += str(chr(start_time + char_offset)) + txt += str(chr(duration + char_offset)) + txt += str(chr(pitch + char_offset)) + if output_velocity: + txt += str(chr(velocity + char_offset)) + if output_MIDI_channels: + txt += str(chr(channel + char_offset)) + + + if chordify_TXT == True and int(event[1] - previous_event[1]) == 0: + txt += '' + else: + if line_by_line_output: + txt += chr(10) + else: + txt += chr(32) + + previous_event = copy.deepcopy(event) + + except: + # print('Problematic MIDI event. Skipping...') + continue + + if not line_by_line_output: + txt += chr(10) + + # Karaoke stuff + if karaoke: + + melody_chords.sort(reverse=False, key=lambda x: x[0][1]) + mel_chords = [] + for mc in melody_chords: + mel_chords.extend(mc) + + if transform != 0: + chords = Tegridy_Transform(mel_chords, transform) + else: + chords = mel_chords + + previous_event = copy.deepcopy(chords[0]) + for event in chords: + + # Computing events details + start_time = int(abs(event[1] - previous_event[1])) + + duration = int(previous_event[2]) + + channel = int(previous_event[3]) + + pitch = int(previous_event[4] + transpose_by) + + velocity = int(previous_event[5]) + + # Converting to TXT + txt += str(chr(start_time + char_offset)) + txt += str(chr(duration + char_offset)) + txt += str(chr(pitch + char_offset)) + + txt += str(chr(velocity + char_offset)) + txt += str(chr(channel + char_offset)) + + if start_time > 0: + for k in karaoke_events_matrix: + if event[1] == k[1]: + txt += str('=') + txt += str(k[2]) + break + + if line_by_line_output: + txt += chr(10) + else: + txt += chr(32) + + previous_event = copy.deepcopy(event) + + if not line_by_line_output: + txt += chr(10) + + # Final processing code... + # ======================================================================= + + # Helper aux/backup function for Karaoke + karaokez.sort(reverse=False, key=lambda x: x[1]) + + # MuseNet sorting + if musenet_encoding and not melody_conditioned_encoding and not karaoke: + chords.sort(key=lambda x: (x[1], x[3])) + + # Final melody sort + melody_list.sort() + + # auxs for future use + aux1 = [None] + aux2 = [None] + + return txt, melody_list, chords, bass_melody, karaokez, INTS, aux1, aux2 # aux1 and aux2 are not used atm + +################################################################################### + +def Optimus_TXT_to_Notes_Converter(Optimus_TXT_String, + line_by_line_dataset = True, + has_velocities = True, + has_MIDI_channels = True, + dataset_MIDI_events_time_denominator = 1, + char_encoding_offset = 30000, + save_only_first_composition = True, + simulate_velocity=True, + karaoke=False, + zero_token=False): + + '''Project Los Angeles + Tegridy Code 2020''' + + print('Tegridy Optimus TXT to Notes Converter') + print('Converting TXT to Notes list...Please wait...') + + song_name = '' + + if line_by_line_dataset: + input_string = Optimus_TXT_String.split('\n') + else: + input_string = Optimus_TXT_String.split(' ') + + if line_by_line_dataset: + name_string = Optimus_TXT_String.split('\n')[0].split('=') + else: + name_string = Optimus_TXT_String.split(' ')[0].split('=') + + # Zero token + zt = '' + + zt += chr(char_encoding_offset) + chr(char_encoding_offset) + + if has_MIDI_channels: + zt += chr(char_encoding_offset) + + if has_velocities: + zt += chr(char_encoding_offset) + chr(char_encoding_offset) + + else: + zt += chr(char_encoding_offset) + + if zero_token: + if name_string[0] == zt: + song_name = name_string[1] + + else: + if name_string[0] == 'SONG': + song_name = name_string[1] + + output_list = [] + st = 0 + + for i in range(2, len(input_string)-1): + + if save_only_first_composition: + if zero_token: + if input_string[i].split('=')[0] == zt: + + song_name = name_string[1] + break + + else: + if input_string[i].split('=')[0] == 'SONG': + + song_name = name_string[1] + break + try: + istring = input_string[i] + + if has_MIDI_channels == False: + step = 4 + + if has_MIDI_channels == True: + step = 5 + + if has_velocities == False: + step -= 1 + + st += int(ord(istring[0]) - char_encoding_offset) * dataset_MIDI_events_time_denominator + + if not karaoke: + for s in range(0, len(istring), step): + if has_MIDI_channels==True: + if step > 3 and len(istring) > 2: + out = [] + out.append('note') + + out.append(st) # Start time + + out.append(int(ord(istring[s+1]) - char_encoding_offset) * dataset_MIDI_events_time_denominator) # Duration + + if has_velocities: + out.append(int(ord(istring[s+4]) - char_encoding_offset)) # Channel + else: + out.append(int(ord(istring[s+3]) - char_encoding_offset)) # Channel + + out.append(int(ord(istring[s+2]) - char_encoding_offset)) # Pitch + + if simulate_velocity: + if s == 0: + sim_vel = int(ord(istring[s+2]) - char_encoding_offset) + out.append(sim_vel) # Simulated Velocity (= highest note's pitch) + else: + out.append(int(ord(istring[s+3]) - char_encoding_offset)) # Velocity + + if has_MIDI_channels==False: + if step > 3 and len(istring) > 2: + out = [] + out.append('note') + + out.append(st) # Start time + out.append(int(ord(istring[s+1]) - char_encoding_offset) * dataset_MIDI_events_time_denominator) # Duration + out.append(0) # Channel + out.append(int(ord(istring[s+2]) - char_encoding_offset)) # Pitch + + if simulate_velocity: + if s == 0: + sim_vel = int(ord(istring[s+2]) - char_encoding_offset) + out.append(sim_vel) # Simulated Velocity (= highest note's pitch) + else: + out.append(int(ord(istring[s+3]) - char_encoding_offset)) # Velocity + + if step == 3 and len(istring) > 2: + out = [] + out.append('note') + + out.append(st) # Start time + out.append(int(ord(istring[s+1]) - char_encoding_offset) * dataset_MIDI_events_time_denominator) # Duration + out.append(0) # Channel + out.append(int(ord(istring[s+2]) - char_encoding_offset)) # Pitch + + out.append(int(ord(istring[s+2]) - char_encoding_offset)) # Velocity = Pitch + + output_list.append(out) + + if karaoke: + try: + out = [] + out.append('note') + + out.append(st) # Start time + out.append(int(ord(istring[1]) - char_encoding_offset) * dataset_MIDI_events_time_denominator) # Duration + out.append(int(ord(istring[4]) - char_encoding_offset)) # Channel + out.append(int(ord(istring[2]) - char_encoding_offset)) # Pitch + + if simulate_velocity: + if s == 0: + sim_vel = int(ord(istring[2]) - char_encoding_offset) + out.append(sim_vel) # Simulated Velocity (= highest note's pitch) + else: + out.append(int(ord(istring[3]) - char_encoding_offset)) # Velocity + output_list.append(out) + out = [] + if istring.split('=')[1] != '': + out.append('lyric') + out.append(st) + out.append(istring.split('=')[1]) + output_list.append(out) + except: + continue + + + except: + print('Bad note string:', istring) + continue + + # Simple error control just in case + S = [] + for x in output_list: + if len(x) == 6 or len(x) == 3: + S.append(x) + + output_list.clear() + output_list = copy.deepcopy(S) + + + print('Task complete! Enjoy! :)') + + return output_list, song_name + +################################################################################### + +def Optimus_Data2TXT_Converter(data, + dataset_time_denominator=1, + transpose_by = 0, + char_offset = 33, + line_by_line_output = True, + output_velocity = False, + output_MIDI_channels = False): + + + '''Input: data as a flat chords list of flat chords lists + + Output: TXT string + INTs + + Project Los Angeles + Tegridy Code 2021''' + + txt = '' + TXT = '' + + quit = False + counter = 0 + + INTs = [] + INTs_f = [] + + for d in tqdm.tqdm(sorted(data)): + + if quit == True: + break + + txt = 'SONG=' + str(counter) + counter += 1 + + if line_by_line_output: + txt += chr(10) + else: + txt += chr(32) + + INTs = [] + + # TXT Stuff + previous_event = copy.deepcopy(d[0]) + for event in sorted(d): + + # Computing events details + start_time = int(abs(event[1] - previous_event[1]) / dataset_time_denominator) + + duration = int(previous_event[2] / dataset_time_denominator) + + channel = int(previous_event[3]) + + pitch = int(previous_event[4] + transpose_by) + + velocity = int(previous_event[5]) + + INTs.append([start_time, duration, pitch]) + + # Converting to TXT if possible... + try: + txt += str(chr(start_time + char_offset)) + txt += str(chr(duration + char_offset)) + txt += str(chr(pitch + char_offset)) + if output_velocity: + txt += str(chr(velocity + char_offset)) + if output_MIDI_channels: + txt += str(chr(channel + char_offset)) + + if line_by_line_output: + txt += chr(10) + else: + txt += chr(32) + + previous_event = copy.deepcopy(event) + except KeyboardInterrupt: + quit = True + break + except: + print('Problematic MIDI data. Skipping...') + continue + + if not line_by_line_output: + txt += chr(10) + + TXT += txt + INTs_f.extend(INTs) + + return TXT, INTs_f + +################################################################################### + +def Optimus_Squash(chords_list, simulate_velocity=True, mono_compression=False): + + '''Input: Flat chords list + Simulate velocity or not + Mono-compression enabled or disabled + + Default is almost lossless 25% compression, otherwise, lossy 50% compression (mono-compression) + + Output: Squashed chords list + Resulting compression level + + Please note that if drums are passed through as is + + Project Los Angeles + Tegridy Code 2021''' + + output = [] + ptime = 0 + vel = 0 + boost = 15 + stptc = [] + ocount = 0 + rcount = 0 + + for c in chords_list: + + cc = copy.deepcopy(c) + ocount += 1 + + if [cc[1], cc[3], (cc[4] % 12) + 60] not in stptc: + stptc.append([cc[1], cc[3], (cc[4] % 12) + 60]) + + if cc[3] != 9: + cc[4] = (c[4] % 12) + 60 + + if simulate_velocity and c[1] != ptime: + vel = c[4] + boost + + if cc[3] != 9: + cc[5] = vel + + if mono_compression: + if c[1] != ptime: + output.append(cc) + rcount += 1 + else: + output.append(cc) + rcount += 1 + + ptime = c[1] + + output.sort(key=lambda x: (x[1], x[4])) + + comp_level = 100 - int((rcount * 100) / ocount) + + return output, comp_level + +################################################################################### + +def Optimus_Signature(chords_list, calculate_full_signature=False): + + '''Optimus Signature + + ---In the name of the search for a perfect score slice signature--- + + Input: Flat chords list to evaluate + + Output: Full Optimus Signature as a list + Best/recommended Optimus Signature as a list + + Project Los Angeles + Tegridy Code 2021''' + + # Pitches + + ## StDev + if calculate_full_signature: + psd = statistics.stdev([int(y[4]) for y in chords_list]) + else: + psd = 0 + + ## Median + pmh = statistics.median_high([int(y[4]) for y in chords_list]) + pm = statistics.median([int(y[4]) for y in chords_list]) + pml = statistics.median_low([int(y[4]) for y in chords_list]) + + ## Mean + if calculate_full_signature: + phm = statistics.harmonic_mean([int(y[4]) for y in chords_list]) + else: + phm = 0 + + # Durations + dur = statistics.median([int(y[2]) for y in chords_list]) + + # Velocities + + vel = statistics.median([int(y[5]) for y in chords_list]) + + # Beats + mtds = statistics.median([int(abs(chords_list[i-1][1]-chords_list[i][1])) for i in range(1, len(chords_list))]) + if calculate_full_signature: + hmtds = statistics.harmonic_mean([int(abs(chords_list[i-1][1]-chords_list[i][1])) for i in range(1, len(chords_list))]) + else: + hmtds = 0 + + # Final Optimus signatures + full_Optimus_signature = [round(psd), round(pmh), round(pm), round(pml), round(phm), round(dur), round(vel), round(mtds), round(hmtds)] + ######################## PStDev PMedianH PMedian PMedianL PHarmoMe Duration Velocity Beat HarmoBeat + + best_Optimus_signature = [round(pmh), round(pm), round(pml), round(dur, -1), round(vel, -1), round(mtds, -1)] + ######################## PMedianH PMedian PMedianL Duration Velocity Beat + + # Return... + return full_Optimus_signature, best_Optimus_signature + + +################################################################################### +# +# TMIDI 2.0 Helper functions +# +################################################################################### + +def Tegridy_FastSearch(needle, haystack, randomize = False): + + ''' + + Input: Needle iterable + Haystack iterable + Randomize search range (this prevents determinism) + + Output: Start index of the needle iterable in a haystack iterable + If nothing found, -1 is returned + + Project Los Angeles + Tegridy Code 2021''' + + need = copy.deepcopy(needle) + + try: + if randomize: + idx = haystack.index(need, secrets.randbelow(len(haystack)-len(need))) + else: + idx = haystack.index(need) + + except KeyboardInterrupt: + return -1 + + except: + return -1 + + return idx + +################################################################################### + +def Tegridy_Chord_Match(chord1, chord2, match_type=2): + + '''Tegridy Chord Match + + Input: Two chords to evaluate + Match type: 2 = duration, channel, pitch, velocity + 3 = channel, pitch, velocity + 4 = pitch, velocity + 5 = velocity + + Output: Match rating (0-100) + NOTE: Match rating == -1 means identical source chords + NOTE: Match rating == 100 means mutual shortest chord + + Project Los Angeles + Tegridy Code 2021''' + + match_rating = 0 + + if chord1 == []: + return 0 + if chord2 == []: + return 0 + + if chord1 == chord2: + return -1 + + else: + zipped_pairs = list(zip(chord1, chord2)) + zipped_diff = abs(len(chord1) - len(chord2)) + + short_match = [False] + for pair in zipped_pairs: + cho1 = ' '.join([str(y) for y in pair[0][match_type:]]) + cho2 = ' '.join([str(y) for y in pair[1][match_type:]]) + if cho1 == cho2: + short_match.append(True) + else: + short_match.append(False) + + if True in short_match: + return 100 + + pairs_ratings = [] + + for pair in zipped_pairs: + cho1 = ' '.join([str(y) for y in pair[0][match_type:]]) + cho2 = ' '.join([str(y) for y in pair[1][match_type:]]) + pairs_ratings.append(SM(None, cho1, cho2).ratio()) + + match_rating = sum(pairs_ratings) / len(pairs_ratings) * 100 + + return match_rating + +################################################################################### + +def Tegridy_Last_Chord_Finder(chords_list): + + '''Tegridy Last Chord Finder + + Input: Flat chords list + + Output: Last detected chord of the chords list + Last chord start index in the original chords list + First chord end index in the original chords list + + Project Los Angeles + Tegridy Code 2021''' + + chords = [] + cho = [] + + ptime = 0 + + i = 0 + + pc_idx = 0 + fc_idx = 0 + + chords_list.sort(reverse=False, key=lambda x: x[1]) + + for cc in chords_list: + + if cc[1] == ptime: + + cho.append(cc) + + ptime = cc[1] + + else: + if pc_idx == 0: + fc_idx = chords_list.index(cc) + pc_idx = chords_list.index(cc) + + chords.append(cho) + + cho = [] + + cho.append(cc) + + ptime = cc[1] + + i += 1 + + if cho != []: + chords.append(cho) + i += 1 + + return chords_list[pc_idx:], pc_idx, fc_idx + +################################################################################### + +def Tegridy_Chords_Generator(chords_list, shuffle_pairs = True, remove_single_notes=False): + + '''Tegridy Score Chords Pairs Generator + + Input: Flat chords list + Shuffle pairs (recommended) + + Output: List of chords + + Average time(ms) per chord + Average time(ms) per pitch + Average chords delta time + + Average duration + Average channel + Average pitch + Average velocity + + Project Los Angeles + Tegridy Code 2021''' + + chords = [] + cho = [] + + i = 0 + + # Sort by start time + chords_list.sort(reverse=False, key=lambda x: x[1]) + + # Main loop + pcho = chords_list[0] + for cc in chords_list: + if cc[1] == pcho[1]: + + cho.append(cc) + pcho = copy.deepcopy(cc) + + else: + if not remove_single_notes: + chords.append(cho) + cho = [] + cho.append(cc) + pcho = copy.deepcopy(cc) + + i += 1 + else: + if len(cho) > 1: + chords.append(cho) + cho = [] + cho.append(cc) + pcho = copy.deepcopy(cc) + + i += 1 + + # Averages + t0 = chords[0][0][1] + t1 = chords[-1][-1][1] + tdel = abs(t1 - t0) + avg_ms_per_chord = int(tdel / i) + avg_ms_per_pitch = int(tdel / len(chords_list)) + + # Delta time + tds = [int(abs(chords_list[i-1][1]-chords_list[i][1]) / 1) for i in range(1, len(chords_list))] + if len(tds) != 0: avg_delta_time = int(sum(tds) / len(tds)) + + # Chords list attributes + p = int(sum([int(y[4]) for y in chords_list]) / len(chords_list)) + d = int(sum([int(y[2]) for y in chords_list]) / len(chords_list)) + c = int(sum([int(y[3]) for y in chords_list]) / len(chords_list)) + v = int(sum([int(y[5]) for y in chords_list]) / len(chords_list)) + + # Final shuffle + if shuffle_pairs: + random.shuffle(chords) + + return chords, [avg_ms_per_chord, avg_ms_per_pitch, avg_delta_time], [d, c, p, v] + +################################################################################### + +def Tegridy_Chords_List_Music_Features(chords_list, st_dur_div = 1, pitch_div = 1, vel_div = 1): + + '''Tegridy Chords List Music Features + + Input: Flat chords list + + Output: A list of the extracted chords list's music features + + Project Los Angeles + Tegridy Code 2021''' + + chords_list1 = [x for x in chords_list if x] + chords_list1.sort(reverse=False, key=lambda x: x[1]) + + # Features extraction code + + melody_list = [] + bass_melody = [] + melody_chords = [] + mel_avg_tds = [] + mel_chrd_avg_tds = [] + bass_melody_avg_tds = [] + + #print('Grouping by start time. This will take a while...') + values = set(map(lambda x:x[1], chords_list1)) # Non-multithreaded function version just in case + + groups = [[y for y in chords_list1 if y[1]==x and len(y) == 6] for x in values] # Grouping notes into chords while discarting bad notes... + + #print('Sorting events...') + for items in groups: + items.sort(reverse=True, key=lambda x: x[4]) # Sorting events by pitch + melody_list.append(items[0]) # Creating final melody list + melody_chords.append(items) # Creating final chords list + bass_melody.append(items[-1]) # Creating final bass melody list + + #print('Final sorting by start time...') + melody_list.sort(reverse=False, key=lambda x: x[1]) # Sorting events by start time + melody_chords.sort(reverse=False, key=lambda x: x[0][1]) # Sorting events by start time + bass_melody.sort(reverse=False, key=lambda x: x[1]) # Sorting events by start time + + # Extracting music features from the chords list + + # Melody features + mel_avg_pitch = int(sum([y[4] for y in melody_list]) / len(melody_list) / pitch_div) + mel_avg_dur = int(sum([int(y[2] / st_dur_div) for y in melody_list]) / len(melody_list)) + mel_avg_vel = int(sum([int(y[5] / vel_div) for y in melody_list]) / len(melody_list)) + mel_avg_chan = int(sum([int(y[3]) for y in melody_list]) / len(melody_list)) + + mel_tds = [int(abs(melody_list[i-1][1]-melody_list[i][1])) for i in range(1, len(melody_list))] + if len(mel_tds) != 0: mel_avg_tds = int(sum(mel_tds) / len(mel_tds) / st_dur_div) + + melody_features = [mel_avg_tds, mel_avg_dur, mel_avg_chan, mel_avg_pitch, mel_avg_vel] + + # Chords list features + mel_chrd_avg_pitch = int(sum([y[4] for y in chords_list1]) / len(chords_list1) / pitch_div) + mel_chrd_avg_dur = int(sum([int(y[2] / st_dur_div) for y in chords_list1]) / len(chords_list1)) + mel_chrd_avg_vel = int(sum([int(y[5] / vel_div) for y in chords_list1]) / len(chords_list1)) + mel_chrd_avg_chan = int(sum([int(y[3]) for y in chords_list1]) / len(chords_list1)) + + mel_chrd_tds = [int(abs(chords_list1[i-1][1]-chords_list1[i][1])) for i in range(1, len(chords_list1))] + if len(mel_tds) != 0: mel_chrd_avg_tds = int(sum(mel_chrd_tds) / len(mel_chrd_tds) / st_dur_div) + + chords_list_features = [mel_chrd_avg_tds, mel_chrd_avg_dur, mel_chrd_avg_chan, mel_chrd_avg_pitch, mel_chrd_avg_vel] + + # Bass melody features + bass_melody_avg_pitch = int(sum([y[4] for y in bass_melody]) / len(bass_melody) / pitch_div) + bass_melody_avg_dur = int(sum([int(y[2] / st_dur_div) for y in bass_melody]) / len(bass_melody)) + bass_melody_avg_vel = int(sum([int(y[5] / vel_div) for y in bass_melody]) / len(bass_melody)) + bass_melody_avg_chan = int(sum([int(y[3]) for y in bass_melody]) / len(bass_melody)) + + bass_melody_tds = [int(abs(bass_melody[i-1][1]-bass_melody[i][1])) for i in range(1, len(bass_melody))] + if len(bass_melody_tds) != 0: bass_melody_avg_tds = int(sum(bass_melody_tds) / len(bass_melody_tds) / st_dur_div) + + bass_melody_features = [bass_melody_avg_tds, bass_melody_avg_dur, bass_melody_avg_chan, bass_melody_avg_pitch, bass_melody_avg_vel] + + # A list to return all features + music_features = [] + + music_features.extend([len(chords_list1)]) # Count of the original chords list notes + + music_features.extend(melody_features) # Extracted melody features + music_features.extend(chords_list_features) # Extracted chords list features + music_features.extend(bass_melody_features) # Extracted bass melody features + music_features.extend([sum([y[4] for y in chords_list1])]) # Sum of all pitches in the original chords list + + return music_features + +################################################################################### + +def Tegridy_Transform(chords_list, to_pitch=60, to_velocity=-1): + + '''Tegridy Transform + + Input: Flat chords list + Desired average pitch (-1 == no change) + Desired average velocity (-1 == no change) + + Output: Transformed flat chords list + + Project Los Angeles + Tegridy Code 2021''' + + transformed_chords_list = [] + + chords_list.sort(reverse=False, key=lambda x: x[1]) + + chords_list_features = Optimus_Signature(chords_list)[1] + + pitch_diff = int((chords_list_features[0] + chords_list_features[1] + chords_list_features[2]) / 3) - to_pitch + velocity_diff = chords_list_features[4] - to_velocity + + for c in chords_list: + cc = copy.deepcopy(c) + if c[3] != 9: # Except the drums + if to_pitch != -1: + cc[4] = c[4] - pitch_diff + + if to_velocity != -1: + cc[5] = c[5] - velocity_diff + + transformed_chords_list.append(cc) + + return transformed_chords_list + +################################################################################### + +def Tegridy_MIDI_Zip_Notes_Summarizer(chords_list, match_type = 4): + + '''Tegridy MIDI Zip Notes Summarizer + + Input: Flat chords list / SONG + Match type according to 'note' event of MIDI.py + + Output: Summarized chords list + Number of summarized notes + Number of dicarted notes + + Project Los Angeles + Tegridy Code 2021''' + + i = 0 + j = 0 + out1 = [] + pout = [] + + + for o in chords_list: + + # MIDI Zip + + if o[match_type:] not in pout: + pout.append(o[match_type:]) + + out1.append(o) + j += 1 + + else: + i += 1 + + return out1, i + +################################################################################### + +def Tegridy_Score_Chords_Pairs_Generator(chords_list, shuffle_pairs = True, remove_single_notes=False): + + '''Tegridy Score Chords Pairs Generator + + Input: Flat chords list + Shuffle pairs (recommended) + + Output: Score chords pairs list + Number of created pairs + Number of detected chords + + Project Los Angeles + Tegridy Code 2021''' + + chords = [] + cho = [] + + i = 0 + j = 0 + + chords_list.sort(reverse=False, key=lambda x: x[1]) + pcho = chords_list[0] + for cc in chords_list: + if cc[1] == pcho[1]: + + cho.append(cc) + pcho = copy.deepcopy(cc) + + else: + if not remove_single_notes: + chords.append(cho) + cho = [] + cho.append(cc) + pcho = copy.deepcopy(cc) + + i += 1 + else: + if len(cho) > 1: + chords.append(cho) + cho = [] + cho.append(cc) + pcho = copy.deepcopy(cc) + + i += 1 + + chords_pairs = [] + for i in range(len(chords)-1): + chords_pairs.append([chords[i], chords[i+1]]) + j += 1 + if shuffle_pairs: random.shuffle(chords_pairs) + + return chords_pairs, j, i + +################################################################################### + +def Tegridy_Sliced_Score_Pairs_Generator(chords_list, number_of_miliseconds_per_slice=2000, shuffle_pairs = False): + + '''Tegridy Sliced Score Pairs Generator + + Input: Flat chords list + Number of miliseconds per slice + + Output: Sliced score pairs list + Number of created slices + + Project Los Angeles + Tegridy Code 2021''' + + chords = [] + cho = [] + + time = number_of_miliseconds_per_slice + + i = 0 + + chords_list1 = [x for x in chords_list if x] + chords_list1.sort(reverse=False, key=lambda x: x[1]) + pcho = chords_list1[0] + for cc in chords_list1[1:]: + + if cc[1] <= time: + + cho.append(cc) + + else: + if cho != [] and pcho != []: chords.append([pcho, cho]) + pcho = copy.deepcopy(cho) + cho = [] + cho.append(cc) + time += number_of_miliseconds_per_slice + i += 1 + + if cho != [] and pcho != []: + chords.append([pcho, cho]) + pcho = copy.deepcopy(cho) + i += 1 + + if shuffle_pairs: random.shuffle(chords) + + return chords, i + +################################################################################### + +def Tegridy_Timings_Converter(chords_list, + max_delta_time = 1000, + fixed_start_time = 250, + start_time = 0, + start_time_multiplier = 1, + durations_multiplier = 1): + + '''Tegridy Timings Converter + + Input: Flat chords list + Max delta time allowed between notes + Fixed start note time for excessive gaps + + Output: Converted flat chords list + + Project Los Angeles + Tegridy Code 2021''' + + song = chords_list + + song1 = [] + + p = song[0] + + p[1] = start_time + + time = start_time + + delta = [0] + + for i in range(len(song)): + if song[i][0] == 'note': + ss = copy.deepcopy(song[i]) + if song[i][1] != p[1]: + + if abs(song[i][1] - p[1]) > max_delta_time: + time += fixed_start_time + else: + time += abs(song[i][1] - p[1]) + delta.append(abs(song[i][1] - p[1])) + + ss[1] = int(round(time * start_time_multiplier, -1)) + ss[2] = int(round(song[i][2] * durations_multiplier, -1)) + song1.append(ss) + + p = copy.deepcopy(song[i]) + else: + + ss[1] = int(round(time * start_time_multiplier, -1)) + ss[2] = int(round(song[i][2] * durations_multiplier, -1)) + song1.append(ss) + + p = copy.deepcopy(song[i]) + + else: + ss = copy.deepcopy(song[i]) + ss[1] = time + song1.append(ss) + + average_delta_st = int(sum(delta) / len(delta)) + average_duration = int(sum([y[2] for y in song1 if y[0] == 'note']) / len([y[2] for y in song1 if y[0] == 'note'])) + + song1.sort(reverse=False, key=lambda x: x[1]) + + return song1, time, average_delta_st, average_duration + +################################################################################### + +def Tegridy_Score_Slicer(chords_list, number_of_miliseconds_per_slice=2000, overlap_notes = 0, overlap_chords=False): + + '''Tegridy Score Slicer + + Input: Flat chords list + Number of miliseconds per slice + + Output: Sliced chords list + Number of created slices + + Project Los Angeles + Tegridy Code 2021''' + + chords = [] + cho = [] + + time = number_of_miliseconds_per_slice + ptime = 0 + + i = 0 + + pc_idx = 0 + + chords_list.sort(reverse=False, key=lambda x: x[1]) + + for cc in chords_list: + + if cc[1] <= time: + + cho.append(cc) + + if ptime != cc[1]: + pc_idx = cho.index(cc) + + ptime = cc[1] + + + else: + + if overlap_chords: + chords.append(cho) + cho.extend(chords[-1][pc_idx:]) + + else: + chords.append(cho[:pc_idx]) + + cho = [] + + cho.append(cc) + + time += number_of_miliseconds_per_slice + ptime = cc[1] + + i += 1 + + if cho != []: + chords.append(cho) + i += 1 + + return [x for x in chords if x], i + +################################################################################### + +def Tegridy_TXT_Tokenizer(input_TXT_string, line_by_line_TXT_string=True): + + '''Tegridy TXT Tokenizer + + Input: TXT String + + Output: Tokenized TXT string + forward and reverse dics + + Project Los Angeles + Tegridy Code 2021''' + + print('Tegridy TXT Tokenizer') + + if line_by_line_TXT_string: + T = input_TXT_string.split() + else: + T = input_TXT_string.split(' ') + + DIC = dict(zip(T, range(len(T)))) + RDIC = dict(zip(range(len(T)), T)) + + TXTT = '' + + for t in T: + try: + TXTT += chr(DIC[t]) + except: + print('Error. Could not finish.') + return TXTT, DIC, RDIC + + print('Done!') + + return TXTT, DIC, RDIC + +################################################################################### + +def Tegridy_TXT_DeTokenizer(input_Tokenized_TXT_string, RDIC): + + '''Tegridy TXT Tokenizer + + Input: Tokenized TXT String + + + Output: DeTokenized TXT string + + Project Los Angeles + Tegridy Code 2021''' + + print('Tegridy TXT DeTokenizer') + + Q = list(input_Tokenized_TXT_string) + c = 0 + RTXT = '' + for q in Q: + try: + RTXT += RDIC[ord(q)] + chr(10) + except: + c+=1 + + print('Number of errors:', c) + + print('Done!') + + return RTXT + +################################################################################### + +def Tegridy_List_Slicer(input_list, slices_length_in_notes=20): + + '''Input: List to slice + Desired slices length in notes + + Output: Sliced list of lists + + Project Los Angeles + Tegridy Code 2021''' + + for i in range(0, len(input_list), slices_length_in_notes): + yield input_list[i:i + slices_length_in_notes] + +################################################################################### + +def Tegridy_Split_List(list_to_split, split_value=0): + + # src courtesy of www.geeksforgeeks.org + + # using list comprehension + zip() + slicing + enumerate() + # Split list into lists by particular value + size = len(list_to_split) + idx_list = [idx + 1 for idx, val in + enumerate(list_to_split) if val == split_value] + + + res = [list_to_split[i: j] for i, j in + zip([0] + idx_list, idx_list + + ([size] if idx_list[-1] != size else []))] + + # print result + # print("The list after splitting by a value : " + str(res)) + + return res + +################################################################################### + +# This is the end of the TMIDI X Python module + +###################################################################################