Sunvox Sampler Demo

.gitignore

bin
include
lib
local
share
*.pyc
data
tmp
patch-decompiler-output
*.sunvox
.sunvox*

.SUNVOX_SAMPLER.md

Sunvox Sampler Demo

01. 7007 BD.wav

30. 9009 HC.wav

hello_sampler.py

from rv.api import Project as RVProject

from rv.modules.sampler import Sampler

from scipy.io import wavfile

import warnings

warnings.simplefilter("ignore", wavfile.WavFileWarning)

class Modules(list):

    def arrange(self, dx=128):
        offset=len(self)
        for i, mod in enumerate(reversed(self)):
            mod.x=(offset-(i+1))*dx

    def attach(self, proj):
        for i, mod in enumerate(reversed(self)):
            proj.attach_module(mod)
            proj.connect(proj.modules[i+1],
                         proj.modules[i])

"""
https://github.com/metrasynth/gallery/blob/master/wicked.mmckpy#L497-L526
"""
            
def load_wav_to_sampler_slot(path, sampler, slot, **kwargs):
    sample = sampler.Sample()
    freq, snd = wavfile.read(str(path))
    if snd.dtype.name == 'int16':
        sample.format = sampler.Format.int16
    elif snd.dtype.name == 'float32':
        sample.format = sampler.Format.float32
    else:
        raise RuntimeError("dtype %s Not supported" % snd.dtype.name)
    if len(snd.shape) == 1:
        size, = snd.shape
        channels = 1
    else:
        size, channels = snd.shape
    sample.rate = freq
    sample.channels = {
        1: Sampler.Channels.mono,
        2: Sampler.Channels.stereo,
    }[channels]
    sample.data = snd.data.tobytes()
    for key, value in kwargs.items():
        setattr(sample, key, value)
    sampler.samples[slot] = sample
    return sample

"""
- multiple samples might not be a good idea due to pitch shifting
- any way to turn it off ?
- if not then if you have (eg) n samples it becomes very hard to maintain all n  samples at the original pitch
- so might be simpler to have separate instruments
"""

Samples=["01. 7007 BD.wav",
         "30. 9009 HC.wav"]

Samples=["30. 9009 HC.wav"]

if __name__=="__main__":
    try:
        sampler=Sampler()
        for i, sample in enumerate(Samples):
            load_wav_to_sampler_slot(sample, sampler, i)
        for i, key in enumerate(sampler.note_samples):
            sampler.note_samples[key] = i % len(Samples) # hack
        modules=Modules([sampler])
        modules.arrange()
        proj=RVProject()
        proj.initial_bpm=120
        modules.attach(proj)
        with open("hello_sampler.sunvox", 'wb') as f:
            proj.write_to(f)
    except RuntimeError as error:
        print ("Error: %s" % str(error))

INSTALL.md

• virtualenv -p /usr/bin/python3.6 .
• source bin/activate
• pip install -r requirements.txt
• {...}
• deactivate

requirements.txt

attrs==19.1.0 # https://stackoverflow.com/questions/58189683/typeerror-attrib-got-an-unexpected-keyword-argument-convert
git+https://github.com//metrasynth/radiant-voices@jhw-fix-reader
scipy

sunvox.sh

#!/bin/sh

~/packages/sunvox/sunvox/linux_x86_64/sunvox

TODO.md

short

• source mapping