def to_midi(events_):
midistream = MIDIFile(1)
track = 0
time = 0
channel = 0
volume = 100
midistream.addTrackName(track, time, "Track")
midistream.addTempo(track, time, 60)
temp = []
for index, event_ in enumerate(events_):
if event_[0][0] == 144: #key down
temp = event_
elif event_[0][0] == 128: #key up
duration = (event_[1] - temp[1]) / 1000
pitch = event_[0][1]
time = temp[1] / 1000
midistream.addNote(track, channel, pitch, time, duration, volume)
# And write it to disk.
binfile = open("temp/user_output.mid", 'wb')
midistream.writeFile(binfile)
print(midistream)
binfile.close()
def generate_midi(notes):
# Create the MIDIFile Object
MyMIDI = MIDIFile(1)
# Add track name and tempo. The first argument to addTrackName and
# addTempo is the time to write the event.
track = 0
time = 0
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, 120)
# Add a note. addNote expects the following information:
channel = 0
# pitch = 60
# duration = 1
volume = 100
# Now add the note.
for note in notes:
MyMIDI.addNote(track, channel, note.pitch, time, note.duration, volume)
time += note.duration
# And write it to disk.
binfile = open("./server_files/output.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
def save_midi(self, instrument):
# Create the MIDIFile Object with 1 track
self.MIDIFile = MIDIFile(len(self.tracks))
#self.MIDIFile.addProgramChange(0, 0, 0, instrument)
for i, note_list in enumerate(self.tracks):
# Tracks are numbered from zero. Times are measured in beats.
track = i
time = 0
# Add track name, tempo and instrument change event
self.MIDIFile.addTrackName(track, time, "Track %s" % i)
self.MIDIFile.addTempo(track, time, self.tempo)
self.MIDIFile.addProgramChange(track, 0, time, instrument)
for n in note_list:
if len(n) == 2:
note = n[0]
channel = n[1]
else:
note = n
channel = 0
self.add_note(track, channel, note)
# And write it to disk.
with open(self.outfile, 'wb') as binfile:
self.MIDIFile.writeFile(binfile)
def create_midi(note_groups):
midi = MIDIFile(1)
track = 0
time = 0
channel = 0
volume = 100
midi.addTrackName(track, time, "Track")
midi.addTempo(track, time, 140)
for note_group in note_groups:
duration = None
for note in note_group:
note_type = note.sym
if note_type == "1":
duration = 4
elif note_type == "2":
duration = 2
elif note_type == "4,8":
duration = 1 if len(note_group) == 1 else 0.5
pitch = note.pitch
midi.addNote(track, channel, pitch, time, duration, volume)
time += duration
#midi.addNote(track,channel,pitch,time,4,0)
# And write it to disk.
binfile = open("output.mid", 'wb')
midi.writeFile(binfile)
binfile.close()
def save_midi(self):
# Create the MIDIFile Object with 1 track
self.MIDIFile = MIDIFile(len(self.tracks))
for i, note_list in enumerate(self.tracks):
# Tracks are numbered from zero. Times are measured in beats.
track = i
time = 0
# Add track name and tempo.
self.MIDIFile.addTrackName(track, time, "Track 1")
self.MIDIFile.addTempo(track, time, self.tempo)
for n in note_list:
if len(n) == 2:
note = n[0]
channel = n[1]
else:
note = n
channel = 0
self.add_note(track, channel, note)
# And write it to disk.
binfile = open(self.outfile, 'wb')
self.MIDIFile.writeFile(binfile)
binfile.close()
def save_song(self, output="my_file.mid"):
self.song = MIDIFile(len(self.tracks_list))
for t in self.tracks_list:
self.song.addTempo(self.actual_track, t.start, t.tempo)
self.add_pitches(t)
self.actual_track += 1
with open(output, "wb") as output_file:
self.song.writeFile(output_file)
def create_midi(tempo, data):
print('Converting to MIDI.')
song = MIDIFile(1)
song.addTempo(0, 0, tempo)
grouped = [(note, sum(1 for i in g)) for note, g in groupby(data)]
time = 0
for note, duration in grouped:
add_note(song, 0, note, time, duration)
time += duration
return song
def GeneratePiece(voices, voiceSize, instRange, ratios):
print("Enter the name of a file with a melody in it")
filename = sys.stdin.readline()
melodyFile = open(filename[:-1], 'r')
C = (instRange - voiceSize)//voices #the interval of imitation
retval = MIDIFile(voices)
#there are voices voices, numbered from bottom up
#set tempi
track = 0
for r in ratios:
retval.addTempo(track, 0, r * 240)
track+=1
#generate taleae, talea[0] is the top octave's talea, talea[1] is the next highest, etc.
talea = [[]]
for i in range(0, random.randint(3, 5)):
talea[0].append(random.randint(1,5))
#each other talea is the same number of notes, with each note lengths incremented 1 or 2 times
for m in range(1, math.floor(voiceSize//12)):
talea.append([])
for i in range(0, len(talea[0])):
talea[m].append(talea[m-1][i] + random.randint(1, 2))
print(talea)
#calculate the length of the piece (in half steps)
length = 1
temp = 0
for m in range(0, len(talea)):
temp = 0
for i in range(0, len(talea[m])):
temp += talea[m][i]
length = lcm(length, temp)
print(length)
#figure out where each voice enters
entrances = []
for m in range(0, len(ratios)):
temp = (ratios[0]-ratios[m]) * length
entrances.append(temp)
#write a melody for each octave of a single voice
melody = GenerateMelody(talea, melodyFile)
#write the melody to the midi file in each voice
currentTime = 0
for n in range(0, voices):
for m in range(0, voiceSize//12):
currentTime = entrances[n]
i = 0
while currentTime < length:
i += 1
i %= len(talea[m])
retval.addNote(n, 0, bottom + melody[m][i] + (C * n), currentTime, talea[m][i]/2, 100)
currentTime+=talea[m][i]
return retval
def save_midi(offset,
iois,
pitches,
path,
click_track=False,
click_track_phase=0,
accent_downbeat=False,
period=0,
pulse=1,
bpm=240,
channel=0,
velocity=100):
'''
bpm means grid-units per second in this case
'''
track = 0
mf = MIDIFile(1)
mf.addTrackName(track, 0, "Sample Track")
mf.addTempo(track, 0, bpm)
if click_track:
duration = offset + sum(iois)
write_click_track(mf,
duration,
phase=click_track_phase,
period=period,
pulse=pulse,
velocity=velocity,
accent_downbeat=accent_downbeat)
write_notes(mf,
offset,
iois,
pitches,
track=track,
channel=channel,
velocity=velocity)
with open(path, 'wb') as midi_file:
mf.writeFile(midi_file)
def __init__(self, partition, tempo):
# Définition des paramètres MIDI.
piste = 0
temps = 0
self.sortieMidi = MIDIFile(1)
# Nom de la piste.
self.sortieMidi.addTrackName(piste, temps, "Gregorien")
# Tempo.
self.sortieMidi.addTempo(piste, temps, tempo)
# Instrument (74 : flûte).
self.sortieMidi.addProgramChange(piste, 0, temps, 74)
# À partir des propriétés de la note, création des évènements
# MIDI.
for note in partition:
channel = 0
pitch = note.hauteur
duree = note.duree
volume = 127
self.sortieMidi.addNote(piste, channel, pitch, temps, duree,
volume)
temps += duree
def midiSing(sheet, instruments, key, ticktime, filename):
offset = NOTES.index(key) + 60 # Middle C is MIDI note #60
midi = MIDIFile(len(sheet))
replaceprint('Creating midi...')
for t in range(0, len(sheet)):
midi.addTrackName(t, 0, "Track %s" % t)
midi.addTempo(t, 0, 60000 / (ticktime))
sheet[t] = sheet[t][1:] + [(sheet[t][0], 0)]
tracklen = len(sheet[t])
for n in range(0, tracklen - 1):
time, note = sheet[t][n]
duration = sheet[t][(n + 1) % tracklen][0] - time
midi.addNote(
t, 0, offset + note, time, duration,
100) #MyMIDI.addNote(track,channel,pitch,time,duration,volume)
replaceprint('Writing to file...')
binfile = open(filename + ".mid", 'wb')
midi.writeFile(binfile)
binfile.close()
replaceprint('Synth complete!')
print("\nMID output to: \"" + filename + ".mid\"")
def __init__(self, partition, tempo):
# Définition des paramètres MIDI.
piste = 0
temps = 0
self.sortieMidi = MIDIFile(1)
# Nom de la piste.
self.sortieMidi.addTrackName(piste, temps, TITRE)
# Tempo.
self.sortieMidi.addTempo(piste, temps, tempo)
# Instrument (74 : flûte).
self.sortieMidi.addProgramChange(piste, 0, temps, 74)
# À partir des propriétés de la note, création des évènements
# MIDI.
for neume in partition.musique:
for note in (notes for notes in neume if type(notes) == Note):
channel = 0
pitch = note.hauteur + partition.transposition
duree = note.duree
volume = 127
self.sortieMidi.addNote(piste, channel, pitch, temps, duree,
volume)
temps += duree
for r in staff_boxes:
r.draw(img, (0, 0, 255), 2)
for r in sharp_recs:
r.draw(img, (0, 0, 255), 2)
flat_recs_img = img.copy()
for r in flat_recs:
r.draw(img, (0, 0, 255), 2)
cv2.imwrite('res.png', img)
for note_group in note_groups:
print([ note.note + " " + note.sym for note in note_group])
midi = MIDIFile(1)
track = 0
time = 0
channel = 0
volume = 100
midi.addTrackName(track, time, "Track")
midi.addTempo(track, time, 140)
for note_group in note_groups:
duration = None
for note in note_group:
note_type = note.sym
if note_type == "1":
duration = 4
############################################################################
# A sample program to create a single-track MIDI file, add a note,
# and write to disk.
############################################################################
#Import the library
from midiutil.MidiFile3 import MIDIFile
import csv
track1 = 0
track2 = 1
time = 0
MyMIDI = MIDIFile(2)
MyMIDI.addTrackName(track1, time, "Temperature MusicHI")
time = time + 1
MyMIDI.addTrackName(track2, time, "Temperature MusicLOW")
time = time + 1
MyMIDI.addTempo(track1, time, 540)
time = time + 1
MyMIDI.addTempo(track2, time, 540)
time = time + 1
MyMIDI.addProgramChange(track1, 0, time, 1)
time = time + 1
MyMIDI.addProgramChange(track2, 1, time, 2)
time = time + 1
#f = open("climate2010.txt")
from pythagorean_tuning import * my_root = 30 pyts = IntervalScale(7, 12, my_root) scale2 = IntervalScale(7, 7, my_root) scale3 = IntervalScale(1, 12, my_root) scale4 = MinorScale(my_root) scale5 = MajorPentatonicScale(my_root) scale6 = MajorScale(my_root) #use_scale = pyts #use_scale = PythagoreanScale(my_root) use_scale = scale5 #use_scale = pythagorean_tuning.MinorScale(my_root) from midiutil.MidiFile3 import MIDIFile mf1 = MIDIFile(1) from my_midi_utils import GetTicksPerBeat ticks_per_beat = GetTicksPerBeat(mf1) duration = 0.25 velocity = 100 #fname = 'A000010 - euler_phi.txt' #pathname = 'source_txt/' ##fname = '3x plus 1 - A006577.txt' ##fname = 'Karl Aage Rasmussen - build up - ascending - A056239.txt' ##fname = 'fractal - A025480 - other_version.txt' #import numpy as np #seq = np.loadtxt(pathname+fname,dtype=np.int) #
def play(self):
''' Play Method
Generates the MIDI tracks necessary to play the composition
Plays the composition using pygame module
'''
# Create two MIDI tracks
midi = MIDIFile(2)
# Piano right hand track
track = 0
time = 0
midi.addTrackName(track, time, "Piano Right Hand")
midi.addTempo(track, time, self.tempo)
track = 1
midi.addTrackName(track, time, "Piano Left Hand")
midi.addTempo(track, time, self.tempo)
while (self.boolean):
# Create new progressions as long as self.boolean is True
progression = self.progressionf()
proglength = len(progression)
flag = 0
# If the length of the progression is greater than self.totalbeats,
# the composition will last longer than the user-input duration
# Therefore, try 10 more times to generate a progression shorter
# than self.totalbeats.
while self.totalbeats <= proglength:
progression = self.progressionf()
proglength = len(progression)
flag += 1
if flag == 10:
break
# If the length of the progression is suitable, add it to self.compprog
if self.totalbeats >= proglength:
self.compprog.extend(progression)
# Subtract length of progression from self.totalbeats (so that
# self.totalbeats keeps track of number of beats left in the
# composition)
self.totalbeats -= proglength
track = 0
channel = 0
volume = 100
# Create rhythmlist
temprlist = self.rhythmgen(progression)
rhythmlist = []
for r in temprlist:
for el in r:
rhythmlist.append(el)
# Create melodylist using rhythmlist
melodylist = self.melodygen(progression, temprlist, self.scale,
5)
rllength = len(rhythmlist)
# Add each note to the piano right hand track
for n in range(rllength):
pitch = melodylist[n]
duration = rhythmlist[n]
midi.addNote(track, channel, pitch, self.time1, duration,
volume)
self.time1 += rhythmlist[n]
# If program fails to generate a progression shorter than self.totalbeats,
# add the tonic to self.compprog and end the composition
else:
self.compprog.append(self.tonic)
self.boolean = False
# Piano left hand track
track = 1
channel = 0
duration = 0.25
volume = 80
# For every harmony in self.compprog, add the alberti bass line
for n in range(len(self.compprog)):
a = self.albertibass(
harmony(self.compprog[n], self.roots, self.reverse_labels), 4)
if n == len(self.compprog) - 1:
pitch = a[0]
duration = 0.5
midi.addNote(track, channel, pitch, self.time2, duration,
volume)
else:
for iter in range(2):
for tone in range(4):
pitch = a[tone]
midi.addNote(track, channel, pitch, self.time2,
duration, volume)
self.time2 += 0.25
# Write a midi file
file = "composition.mid"
with open(file, 'wb') as binfile:
midi.writeFile(binfile)
# Play the midi file using pygame
pygame.init()
pygame.mixer.init()
pygame.mixer.music.load(file)
pygame.mixer.music.play()
while pygame.mixer.music.get_busy():
pygame.time.Clock().tick(10)
def create_midi_from_progression(progression):
"""
Given a chord progression in the form of a list of chord instances,
creates a MIDI file as an output.
"""
MyMIDI = MIDIFile(4)
track = 0
time = 0
MyMIDI.addTrackName(track, time, "Soprano")
MyMIDI.addTempo(track, time, 60)
track += 1
MyMIDI.addTrackName(track, time, "Alto")
MyMIDI.addTempo(track, time, 60)
track += 1
MyMIDI.addTrackName(track, time, "Tenor")
MyMIDI.addTempo(track, time, 60)
track += 1
MyMIDI.addTrackName(track, time, "Bass")
MyMIDI.addTempo(track, time, 60)
channel = 0
duration = 1
volume = 100
for index, chord in enumerate(progression):
track = 3
for note in chord.get_notes():
pitch = note.get_midi_number()
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
track -= 1
time += 1
if index == len(progression) - 2:
duration = 2
binfile = open("output_individual_voices.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
MyMIDI = MIDIFile(2)
track = 0
time = 0
MyMIDI.addTrackName(track, time, "Upper Voices")
MyMIDI.addTempo(track, time, 60)
track += 1
MyMIDI.addTrackName(track, time, "Lower Voices")
MyMIDI.addTempo(track, time, 60)
duration = 1
for index, chord in enumerate(progression):
track = 1
count = 0
for note in chord.get_notes():
pitch = note.get_midi_number()
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
if count % 2 == 1:
track -= 1
count += 1
time += 1
if index == len(progression) - 2:
duration = 2
binfile = open("output_two_hands.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
def __init__(self, max_tracks, filename):
self.midi = MIDIFile(max_tracks)
# indexes to elements of data row windDirection = 7 windSpeed = 6 precipitation = 1 yearColumn = 4 weatherColumn = 8 weatherYear = "1950" stormCenter = 1 pitch = 60 highTempAdjustment = 30 lowTempAdjustment = 30 # Create the MIDIFile Object with 3 tracks plus names of tracks MyMIDI = MIDIFile(3) MyMIDI.addTrackName(track1, time, "Year Changes") time = time + 1 MyMIDI.addTrackName(track2, time, "Percussion") time = time + 1 #MyMIDI.addTrackName(track3,time,"Misc") #time = time +1 MyMIDI.addTempo(track1, time, beats) time = time + 1 MyMIDI.addTempo(track2, time, beats) #time = time +1 #MyMIDI.addTempo(track3,time, beats) # set voice (sound) to be played on tracks # we used General Midi sounds ( see General Midi docs ) time = time + 1
def image_process_2():
image = cv2.imread('temp/src_image.jpg', 0)
list_ = image.tolist()
if max(map(max, list_)) > 225:
thresh_1 = 0.66 * max(map(max, list_))
thresh_2 = 0.70 * max(map(max, list_))
thresh_3 = 0.72 * max(map(max, list_))
elif max(map(max, list_)) < 200:
thresh_1 = 0.65 * max(map(max, list_))
thresh_2 = 0.75 * max(map(max, list_))
thresh_3 = 0.84 * max(map(max, list_))
else:
thresh_1 = 0.66 * max(map(max, list_))
thresh_2 = 0.72 * max(map(max, list_))
thresh_3 = 0.75 * max(map(max, list_))
ret, img_gray1 = cv2.threshold(dstImg, thresh_1, 255, cv2.THRESH_BINARY)
ret, img_gray2 = cv2.threshold(dstImg, thresh_2, 255, cv2.THRESH_BINARY)
ret, img_gray3 = cv2.threshold(dstImg, thresh_3, 255, cv2.THRESH_BINARY)
img_gray = 255 * np.ones(shape=[780, 551], dtype=np.uint8)
# cv2.namedWindow("img_gray", cv2.WINDOW_AUTOSIZE)
# cv2.imshow("img_gray", img_gray)
for i in range(780):
for j in range(551):
if img_gray1[i][j] == 0 and img_gray2[i][j] == 0 and img_gray3[i][
j] == 0:
img_gray[i][j] = 0
elif img_gray1[i][j] == 0 or img_gray2[i][j] == 0:
if img_gray3[i][j] == 0:
img_gray[i][j] = 0
elif img_gray1[i][j] == 0 or img_gray3[i][j] == 0:
if img_gray2[i][j] == 0:
img_gray[i][j] = 0
elif img_gray2[i][j] == 0 or img_gray3[i][j] == 0:
if img_gray1[i][j] == 0:
img_gray[i][j] = 0
img = img_gray
# height, width = img.shape[:2]
# img_width, img_height = img_gray.shape[::-1]
# <<找五線譜
staff_recs = locate_images(img_gray, staff_imgs, staff_lower, staff_upper,
staff_thresh)
staff_recs = [j for i in staff_recs for j in i]
heights = [r.y for r in staff_recs] + [0]
histo = [heights.count(i) for i in range(0, max(heights) + 1)]
avg = np.mean(list(set(histo)))
staff_recs = [r for r in staff_recs if histo[r.y] > avg]
staff_recs = merge_recs(staff_recs, 0.01)
# staff_recs_img = img.copy()
# for r in staff_recs:
# r.draw(staff_recs_img, (0, 0, 255), 2)
# >>
# <<找五線譜的模板
resul = []
resul.append(staff_recs[0])
for index, item in enumerate(staff_recs):
if abs(resul[-1].y - item.y) > 100:
resul.append(item)
else:
continue
# print("resul", resul)
# >>
# <<找五線譜的y座標
staff = []
line_axis = []
for item in resul:
# print("item.y", item.y)
line_axis.append(item.y)
y_project = []
line_ = []
for i in range(int(item.h)):
count = 0
for j in range(int(item.w)):
if img[item.y + i, item.x + j] == 0:
count += 1
else:
continue
y_project.append(count)
# print("y_project(count)", y_project)
i = 1
while i < len(y_project):
if (y_project[i] == 0):
i += 1
continue
elif (y_project[i] > 0 and y_project[i + 1] > 0
and y_project[i + 2] > 0):
line = (i + i + 1 + i + 2) // 3
line_.append(line + item.y)
i += 3
elif (y_project[i] > 0 and y_project[i + 1] > 0):
line = (i + i + 1) // 2
line_.append(line + item.y)
i += 2
else:
line = i
line_.append(line + item.y)
i += 1
continue
staff.append(line_)
# print("line_axis", line_axis) #每行譜的五條線的最上面那條
# print("staff", staff) #每行譜的五條線
# >>
##### 第一行對x投影
x_range = [102] * (len(resul))
x_range[0] = 120
# print('ra_list',ra_list)
quarter_recs = []
half_recs = []
for x_range_index, x_range_ in enumerate(x_range):
x_project1 = []
for x in range(x_range_, 485):
count = 0
for y in range(staff[x_range_index][0] - 15,
staff[x_range_index][4] + 15):
if img[y, x] == 0:
count += 1
else:
continue
x_project1.append(count)
# <<音符的x範圍
note_xposition = []
one_note = []
next_to = False
for index, item in enumerate(x_project1):
if item > 8 and next_to == False: #找到第一個大於9的x
one_note.append(index)
next_to = True #觸發next_to等於True
elif item > 8 and next_to == True: #next_to等於True的情況下如果還是大於九則不做理會
continue
elif item < 8 and next_to == True: #next_to等於True的情況下如果小於九則存入one_note
one_note.append(index - 1)
if one_note[1] - one_note[
0] > 5: #one_note[0]是起始x，one_note[1]是結束的x，間距要超過5才會把它存入note_xposition
# print("index" ,index)
note_xposition.append(one_note)
one_note = []
next_to = False #next_to等於False
# print("note_xposition", note_xposition)
# print('xpo', time.time() - start_time)
# 音符的x範圍>>
# <<音符的y範圍
note_yposition = []
note_xpos_yproject = []
# for index__ in note_xposition:
# note_xpos_yproject = []
for r in range(len(note_xposition)):
for j in range(staff[x_range_index][0] - 15,
staff[x_range_index][4] + 15):
count = 0
for i in range(note_xposition[r][0] + x_range_,
note_xposition[r][1] + x_range_):
if img[j, i] == 0:
count += 1
else:
continue
note_xpos_yproject.append(count)
one_note_ = []
next_to_ = False
for index_, item in enumerate(note_xpos_yproject):
if item > 3 and next_to_ == False: #找到第一個大於3的y
one_note_.append(index_)
next_to_ = True #觸發next_to_等於True
elif item > 3 and next_to_ == True: #next_to_等於True的情況下如果還是大於3則不做理會
continue
elif item < 3 and next_to_ == True: #next_to_等於True的情況下如果小於3則存入one_note_
one_note_.append(index_ - 1)
if one_note_[1] - one_note_[
0] > 6: #one_note_[0]是起始y，one_noteY[1]是結束的y，間距要超過6才會把它存入note_xposition
note_yposition.append(one_note_)
one_note_ = []
next_to_ = False #next_to等於False
# print("note_xpos_yproject", note_xpos_yproject)
note_xpos_yproject = []
# print("note_yposition", note_yposition)
# 音符的y範圍>>
# fingers = []
# for i in range(len(note_xposition)):
# crop_img = img[staff[x_range_index][4]+15 : staff[x_range_index][4]+30, x_range[x_range_index] + note_xposition[i][0] : x_range[x_range_index] + note_xposition[i][1]]
# if i == 1:
# print("crop_img", crop_img)
# # 找finger1
# finger1_recs = locate_images(crop_img, finger1_imgs, finger1_lower, finger1_upper, finger1_thresh)
# # finger1_recs = finger1_recs[0]
# finger1_recs = merge_recs([j for i in finger1_recs for j in i], 0.5)
# finger1_recs_img = img.copy()
# if i == 1:
# print("finger1_recs", len(finger1_recs))
# for r in finger1_recs:
# r.draw(finger1_recs_img, (0, 0, 255), 2)
# cv2.imwrite('finger1_recs_img.png', finger1_recs_img)
# open_file('finger1_recs_img.png')
global recs
recs = []
for r in range(len(note_xposition)):
count = 0
for j in range(staff[x_range_index][0] - 15 + note_yposition[r][0],
staff[x_range_index][0] - 15 +
note_yposition[r][1]):
for i in range(note_xposition[r][0] + x_range_,
note_xposition[r][1] + x_range_):
if img[j, i] == 0:
count += 1
else:
continue
# print(count/((note_xposition[r][1]-note_xposition[r][0])*(note_yposition[r][1]-note_yposition[r][0])))
if (count /
((note_xposition[r][1] - note_xposition[r][0]) *
(note_yposition[r][1] - note_yposition[r][0])) > 0.64):
rec = Rectangle(
note_xposition[r][0] + x_range_,
staff[x_range_index][0] - 15 + note_yposition[r][0],
note_xposition[r][1] - note_xposition[r][0],
note_yposition[r][1] - note_yposition[r][0])
quarter_recs.append(rec)
recs.append(rec)
elif (count /
((note_xposition[r][1] - note_xposition[r][0]) *
(note_yposition[r][1] - note_yposition[r][0])) <= 0.64):
rec = Rectangle(
note_xposition[r][0] + x_range_,
staff[x_range_index][0] - 15 + note_yposition[r][0],
note_xposition[r][1] - note_xposition[r][0],
note_yposition[r][1] - note_yposition[r][0])
half_recs.append(rec)
recs.append(rec)
# print("quarter_recs", quarter_recs)
# print("half_recs", half_recs)
# print("quarter_recs", len(quarter_recs))
# print("half_recs", len(half_recs))
l = recs
# print("rec", rec)
with open("temp/output.txt", "wb") as fp: #Pickling
pickle.dump(l, fp)
# with open("test.txt", "rb") as fp: # Unpickling
# b = pickle.load(fp)
staff_boxes = [
Rectangle(x_range[r], staff[r][2] - 33, 485 - x_range[r], 68)
for r in range(len(staff))
]
# staff_boxes_img = img.copy()
# for r in staff_boxes:
# r.draw(staff_boxes_img, (0, 0, 255), 2)
# cv2.imwrite('staff_boxes_img.png', staff_boxes_img)
# open_file('staff_boxes_img.png')
# objects_img = staff_boxes_img
# 畫四分音符
# quarter_recs_img = img.copy()
# for r in quarter_recs:
# r.draw(quarter_recs_img, (0, 0, 255), 2)
# cv2.imwrite('quarter_recs_img.png', quarter_recs_img)
# open_file('quarter_recs_img.png')
# 畫二分音符
# half_recs_img = img.copy()
# for r in half_recs:
# r.draw(half_recs_img, (0, 0, 255), 2)
# cv2.imwrite('half_recs_img.png', half_recs_img)
# open_file('half_recs_img.png')
staff_notes = []
note_groups = []
for box in staff_boxes:
staff_sharps = []
staff_flats = []
quarter_notes = [
Note(r, "4,8", box, staff_sharps, staff_flats)
for r in quarter_recs
if abs(r.middle[1] - box.middle[1]) < box.h * 5.0 / 8.0
]
half_notes = [
Note(r, "2", box, staff_sharps, staff_flats) for r in half_recs
if abs(r.middle[1] - box.middle[1]) < box.h * 5.0 / 8.0
]
staff_notes = quarter_notes + half_notes
staff_notes.sort(key=lambda n: n.rec.x)
staffs = [r for r in staff_recs if r.overlap(box) > 0]
staffs.sort(key=lambda r: r.x)
note_color = (randint(0, 255), randint(0, 255), randint(0, 255))
note_group = []
i = 0
j = 0
while (i < len(staff_notes)):
if j < len(staffs):
if staff_notes[i].rec.x > staffs[j].x:
r = staffs[j]
j += 1
if len(note_group) > 0:
note_groups.append(note_group)
note_group = []
note_color = (randint(0,
255), randint(0,
255), randint(0, 255))
else:
note_group.append(staff_notes[i])
# staff_notes[i].rec.draww(img, note_color, 2)
i += 1
else:
note_group.append(staff_notes[i])
# staff_notes[i].rec.draww(img, note_color, 2)
i += 1
note_groups.append(note_group)
# for r in staff_boxes:
# r.draw(img, (0, 0, 255), 2)
# cv2.imwrite('res.png', img)
# open_file('res.png')
# for note_group in note_groups:
# print([ note.note + " " + note.sym for note in note_group])
midi = MIDIFile(1)
track = 0
time = 0
channel = 0
volume = 100
midi.addTrackName(track, time, "Track")
midi.addTempo(track, time, 60)
for note_group in note_groups:
duration = None
for note in note_group:
note_type = note.sym
if note_type == "1":
duration = 4
elif note_type == "2":
duration = 2
elif note_type == "4,8":
# duration = 1 if len(note_group) == 1 else 0.5
duration = 1
pitch = note.pitch
midi.addNote(track, channel, pitch, time, duration, volume)
time += duration
# And write it to disk.
binfile = open("temp/output.mid", 'wb')
midi.writeFile(binfile)
binfile.close()
############################################################################
# A sample program to create a single-track MIDI file, add a note,
# and write to disk.
############################################################################
#Import the library
from midiutil.MidiFile3 import MIDIFile
import csv
f = open("airports.dat")
for row in csv.reader(f):
print(row[1])
# Create the MIDIFile Object
MyMIDI = MIDIFile(1)
# Add track name and tempo. The first argument to addTrackName and
# addTempo is the time to write the event.
track = 0
time = 0
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, 120)
# Add a note. addNote expects the following information:
channel = 0
pitch = 60
duration = 1
volume = 100
# Now add the note.
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
