def parse_midi(path):
midifile = smf.SMF(path)
notes_on = []
for event in midifile.events:
# if it is as "Note On" event, append the time and the pitch
if event.midi_buffer[0] == 144:
notes_on.append((event.time_pulses, event.midi_buffer[1]))
notes_on = [(t, max(map(itemgetter(1), notes)))
for t, notes in groupby(notes_on, itemgetter(0))]
ticks = list(map(itemgetter(0), notes_on))
pitches = bytes(map(itemgetter(1), notes_on))
return pitches, ticks, event.time_pulses
def process_file(infile, outfile, patch):
"""
Process a MIDI file, using pysmf.
"""
import smf
# create dummy engine with no inputs or outputs
_setup._config_impl(backend='dummy')
engine = Engine()
engine.setup({_util.offset(0): patch}, None, None, None)
# open input file
smf_in = smf.SMF(infile)
# create SMF object with same ppqn and number of tracks as input file
smf_out = smf.SMF()
smf_out.ppqn = smf_in.ppqn
for n in range(len(smf_in.tracks)):
smf_out.add_track()
for smf_ev in smf_in.events:
if smf_ev.midi_buffer[0] == 0xff:
# event is metadata. copy to output unmodified
smf_out.add_event(smf.Event(smf_ev.midi_buffer),
smf_ev.track_number,
pulses=smf_ev.time_pulses)
else:
ev = _mididings.buffer_to_midi_event(smf_ev.midi_buffer,
smf_ev.track_number,
smf_ev.time_pulses)
# use base class version of process_event() to bypass calling
# ev._finalize(), which would fail since ev is of type
# _mididings.MidiEvent.
for out_ev in _mididings.Engine.process_event(engine, ev):
buf, track, pulses = _mididings.midi_event_to_buffer(out_ev)
smf_out.add_event(smf.Event(buf), track, pulses=pulses)
smf_out.save(outfile)
def peek_midi_file(context, filepath, use_some_setting):
print(filepath)
prefs = context.user_preferences.addons["sound_drivers"].preferences
import sys
sys.path.append(prefs.smf_dir)
import smf
pin_id = getattr(context.space_data, "pin_id", None)
sp = pin_id if pin_id is not None else context.object.data
sound = sp.sound
f = smf.SMF(filepath)
midi = {}
tracks = {}
for t in f.tracks:
track = {}
for e in t.events:
#print(e.decode(), e.time_seconds)
s = e.decode()
#print(s.startswith("Note"))
if s.startswith("Instrument"):
#print("INSTRUMENT", s)
track["name"] = "Track %d" % (t.track_number)
track["index"] = t.track_number
track["instrument"] = s.title()
elif s.startswith("Time Signature"):
track["time_sig"] = s
elif s.startswith("Tempo"):
track["tempo"] = s
elif s.startswith("Key Signature"):
print("KEYSIG", s)
track["keysig"] = s
elif s.startswith("Program Change"):
#print("PROGCHA", s)
# this could be instrument too
idx = int(s.split(" ")[-1])
s = midi_instruments[idx]
track["name"] = "Track %d" % (t.track_number)
track["instrument"] = s.title()
track["index"] = t.track_number
elif s.startswith("Controller"):
continue
print("CONTROLLER", s)
elif s.startswith("Pitch Wheel"):
# do nothing for now
continue
elif s.startswith("Note"):
continue
elif s.startswith("End Of Track"):
break
else:
#continue
print("XXX", s)
if t.track_number == 0:
midi = track
if track.get("name", False):
tracks.setdefault(track["name"], track)
sound.midifile.filepath = filepath
sound.midifile.tracks.clear()
for k, track in tracks.items():
t = sound.midifile.tracks.add()
t.name = track["name"]
t.data_dic = json.dumps(track)
print("-" * 77)
print(k, tracks[k])
return
def read_midi_file(context, filepath, use_some_setting):
print(filepath)
prefs = context.user_preferences.addons["sound_drivers"].preferences
import sys
sys.path.append(prefs.smf_dir)
import smf
pin_id = context.space_data.pin_id
sp = pin_id if pin_id is not None else context.object.data
channels = [
c for sp in context.scene.objects if sp.type == 'SPEAKER'
for c in sp.data.channels
]
midichannels = []
f = smf.SMF(filepath)
tracks = []
for t in f.tracks:
print("TRACK : %s" % t.track_number)
a = {}
#a = bpy.data.actions.new("MidiAction")
print(channels)
channel_name = unique_name(channels, 'AA')
channels.append(channel_name)
a["name"] = "%s Unknown (trk %d)" % (channel_name, t.track_number)
a['wavfile'] = sp.sound.name
a['start'] = 0
a['end'] = len(midi_notes)
a['row_height'] = 0.4
a["Channels"] = 0
a["channel_name"] = channel_name
a['MIDI'] = filepath
#sp.animation_data.action = a
a["keyframe_points"] = {} # list of tups (dp, frame, value)
'''
for i, n in enumerate(midi_notes):
channel = "%s%d" % (channel_name, i)
sp[channel] = 0
sp.keyframe_insert('["%s"]' % channel, frame = 0)
#sp.keyframe_insert('["%s"]' % channel, frame = 0)
#sp.keyframe_insert('["%s"]' % channel, frame = 0)
'''
for e in t.events:
s = e.decode()
print("XXXXXXXX", s, e.time_seconds)
#print(s.startswith("Note"))
if s.startswith("Instrument"):
print("INSTRUMENT", s)
a["name"] = "%s:%s (trk %d)" % (channel_name, s.title(),
t.track_number)
elif s.startswith("Key Signature"):
print("KEYSIG", s)
elif s.startswith("Program Change"):
#print("PROGCHA", s)
# this could be instrument too
idx = int(s.split(" ")[-1])
#print(midi_instruments[idx])
a["name"] = "%s:%s (trk %d)" % (channel_name,
midi_instruments[idx].title(),
t.track_number)
elif s.startswith("Controller"):
continue
print("CONTROLLER", s)
elif s.startswith("Pitch Wheel"):
print("PITCHWEEL", s)
# do nothing for now
continue
elif s.startswith("Note"):
v = 0
s = s.replace("Note ", "")
#print("StartsWithNote", s)
c = s.split(",")
#print("CC", c[0])
v = int(c[3].replace(" velocity ", ""))
if c[0] == "On":
note = c[2].replace(" note ", "")
print("ON key[%s] = %d @ %fs" % (note, v, e.time_seconds))
elif c[0] == "Off":
v = 0
note = c[2].replace(" note ", "")
print("OFF key[%s] = %d @ %fs" % (note, v, e.time_seconds))
if note not in midi_notes:
print("WARNING: unable to use note %s %d" %
notesplit(note))
continue
channel = "%s%i" % (channel_name, midi_notes.index(note))
fcurve = a["keyframe_points"].setdefault(channel, [])
fcurve.append((e.time_seconds * context.scene.render.fps, v))
#sp[channel] = v
#a["keyframe_points"].append(('["%s"]' % channel, e.time_seconds * context.scene.render.fps, v))
else:
#continue
print("XXX", s)
if len(a["keyframe_points"].keys()):
midichannels.append(channel_name)
midifile["TRACK : %s" % t.track_number] = a
print(midichannels)
keys = [
"name", "wavfile", "start", "end", "row_height", "Channels",
"channel_name", "MIDI"
]
actions = []
channels = []
action = bpy.data.actions.new("MidiAction")
sp.animation_data.action = action
for k, a in midifile.items():
print("-" * 77)
print(midifile[k]["name"])
tracks = a["keyframe_points"]
#action = bpy.data.actions.new("MidiAction")
#sp.animation_data.action = action
for key in keys:
action[key] = a[key]
channel = a["channel_name"]
channels.append(channel)
for t in tracks.keys():
kfps = tracks[t]
print(t)
#fc = action.fcurves.new('["%s"]' % t)
# make the fcurves
sp[t] = 0
sp.keyframe_insert('["%s"]' % t, frame=1, group=a["name"])
for kfp in kfps:
f, v = kfp
sp[t] = v
sp.keyframe_insert('["%s"]' % t, frame=f, group=a["name"])
print("KFPS", t, len(tracks[t]))
actions.append(action)
# would normally load the data here
vals = []
sp_rna = {}
for a in actions:
if len(a.fcurves) <= 1:
print("NO FCURVES IN ", a.name)
try:
del (a["wavfile"])
a.user_clear()
actions.remove(a)
#bpy.data.actions.remove(a)
#print("REMOVED")
except:
print("XCPT")
continue
print("WTF")
continue
a["Channels"] = len(a.fcurves)
a["channels"] = channels
channel_name = a["channel_name"]
for fc in a.fcurves:
for kp in fc.keyframe_points:
kp.interpolation = 'CONSTANT'
fc_range, points = fc.minmax
cn = fc.data_path.replace('["', '').replace('"]', '')
print(channel_name, cn)
n = int(cn[2:])
f = pow(2, (n - 69) / 12.0) * 440
high = low = f
vals.extend(list(fc_range))
rna = sp['_RNA_UI']
set_channel_idprop_rna(cn,
rna,
low,
high,
fc_range,
fc_range,
is_music=True)
'''
vcns = ["%s%d" % (channel_name, i) for i in
range(len(midi_notes))]
'''
sp_rna = {k: sp['_RNA_UI'][k].to_dict() for k in sp['_RNA_UI'].keys()}
# if k in vcns}
a['rna'] = str(sp_rna)
a['min'] = min(vals)
a['max'] = max(vals)
nla_drop(sp, action, 1, "%s %s" % (channel_name, channel_name))
return {'FINISHED'}
import smf
# create a new SMF object
f = smf.SMF()
# add a track
f.add_track()
# add a single note (middle C with a duration of one second)
f.add_event(smf.Event([0x90, 60, 127]), 0, seconds=0.0)
f.add_event(smf.Event([0x80, 60, 0]), 0, seconds=1.0)
# save as a new standard MIDI file
f.save('test.mid')
parser.add_argument('inputfile',
metavar='inputfile.mid',
nargs='?',
help='input midi file name')
parser.add_argument('--blofeld',
action='store_true',
help='ignore all sysex except waldorf blofeld patches')
parser.add_argument('--verbose', action='store_true', help='verbose output')
args = parser.parse_args()
midfile = args.inputfile
syxfile = midfile.split('.')[0] + ".syx"
print("opening input file '%s'..." % midfile)
f = smf.SMF(midfile)
t = f.tracks[0]
print("opening output file '%s'" % syxfile)
outfile = open(syxfile, 'wb')
patchno = 0
for e in t.events:
if e.midi_buffer[0] == 0xf0:
patchno += 1
buflen = len(e.midi_buffer)
bufhex = map(hex, e.midi_buffer)
if args.blofeld:
if buflen != 392:
import smf
import sys
filename = sys.argv[1]
tracknum = int(sys.argv[2])
print("opening file '%s'..." % filename)
f = smf.SMF(filename)
t = f.tracks[tracknum]
print("---\nlisting binary data for track %d:\n---" % tracknum)
for e in t.events:
print(e.midi_buffer)
print("---\nlisting decoded events for track %d:\n---" % tracknum)
for e in t.events:
print(e.decode())
