default=1,
help="speed ratio")
parser.add_argument("-q",
"--quiet",
action="store_true",
help="suppress log output")
gp = parser.add_mutually_exclusive_group(required=True)
gp.add_argument("--sampler", type=str, help="use a sampler", default=None)
gp.add_argument("--basic",
type=str,
help="use a basic synthesizer",
choices=['sin', 'square', 'sawtooth', 'triangle'],
default=None)
args = parser.parse_args()
pitch = 2**(args.pitch / 12)
if args.sampler == None:
piano = BasicPiano(44100, mode=args.basic, pitch_ratio=pitch)
else:
x = readWav(args.sampler)
piano = Sampler(x, pitch_ratio=pitch)
piano = PianoCache(piano)
t = loadTrack(args.track)
seq = synthesize(piano,
t,
lenRatio=args.length,
speedRatio=args.speed,
volRatio=10**(args.volume / 10),
quiet=args.quiet)
seq.writeWav(args.output)
from argparse import ArgumentParser
from pymad import writeMidi, loadTrack
if __name__ == "__main__":
parser = ArgumentParser('write midi', description="write track to midi")
parser.add_argument('track', help='the source track file')
parser.add_argument('midi', help='destination')
args = parser.parse_args()
mid = writeMidi(loadTrack(args.track))
mid.save(args.midi)
import json
import sys
from argparse import ArgumentParser
from pymad import loadTrack
if __name__ == "__main__":
parser = ArgumentParser('combine-track', 'combine tracks')
parser.add_argument('track', help='track path')
parser.add_argument('-o', '--orchestra', action='append', nargs=2, metavar=('id', 'path'), help='add an orchestra')
args = parser.parse_args()
tracks = { int(o[0]): loadTrack(o[1]) for o in args.orchestra }
track = loadTrack(args.track)
notes = []
for n0 in track['notes']:
if n0['note'] in tracks:
for n in tracks[n0['note']]['notes']:
notes.append({ 'note': n['note'], 'length': n['length'], 'offset': n0['offset'] + n['offset'] })
json.dump({ 'bpm': track['bpm'], 'bar': track['bar'], 'notes': notes }, sys.stdout)