mirror of
https://github.com/n64decomp/sm64.git
synced 2024-11-15 22:05:03 -05:00
736 lines
23 KiB
Python
Executable File
736 lines
23 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
from collections import namedtuple, defaultdict
|
|
import tempfile
|
|
import subprocess
|
|
import uuid
|
|
import json
|
|
import os
|
|
import re
|
|
import struct
|
|
import sys
|
|
|
|
TYPE_CTL = 1
|
|
TYPE_TBL = 2
|
|
|
|
|
|
class AifcEntry:
|
|
def __init__(self, data, book, loop):
|
|
self.name = None
|
|
self.data = data
|
|
self.book = book
|
|
self.loop = loop
|
|
self.tunings = []
|
|
|
|
|
|
class SampleBank:
|
|
def __init__(self, name, data, offset):
|
|
self.offset = offset
|
|
self.name = name
|
|
self.data = data
|
|
self.entries = {}
|
|
|
|
def add_sample(self, offset, sample_size, book, loop):
|
|
assert sample_size % 2 == 0
|
|
if sample_size % 9 != 0:
|
|
assert sample_size % 9 == 1
|
|
sample_size -= 1
|
|
|
|
if offset in self.entries:
|
|
entry = self.entries[offset]
|
|
assert entry.book == book
|
|
assert entry.loop == loop
|
|
assert len(entry.data) == sample_size
|
|
else:
|
|
entry = AifcEntry(self.data[offset : offset + sample_size], book, loop)
|
|
self.entries[offset] = entry
|
|
|
|
return entry
|
|
|
|
|
|
Sound = namedtuple("Sound", ["sample_addr", "tuning"])
|
|
Drum = namedtuple("Drum", ["name", "addr", "release_rate", "pan", "envelope", "sound"])
|
|
Inst = namedtuple(
|
|
"Inst",
|
|
[
|
|
"name",
|
|
"addr",
|
|
"release_rate",
|
|
"normal_range_lo",
|
|
"normal_range_hi",
|
|
"envelope",
|
|
"sound_lo",
|
|
"sound_med",
|
|
"sound_hi",
|
|
],
|
|
)
|
|
Book = namedtuple("Book", ["order", "npredictors", "table"])
|
|
Loop = namedtuple("Loop", ["start", "end", "count", "state"])
|
|
Envelope = namedtuple("Envelope", ["name", "entries"])
|
|
Bank = namedtuple(
|
|
"Bank",
|
|
[
|
|
"name",
|
|
"iso_date",
|
|
"sample_bank",
|
|
"insts",
|
|
"drums",
|
|
"all_insts",
|
|
"inst_list",
|
|
"envelopes",
|
|
"samples",
|
|
],
|
|
)
|
|
|
|
|
|
def align(val, al):
|
|
return (val + (al - 1)) & -al
|
|
|
|
|
|
name_tbl = {}
|
|
|
|
|
|
def gen_name(prefix, name_table=[]):
|
|
if prefix not in name_tbl:
|
|
name_tbl[prefix] = 0
|
|
ind = name_tbl[prefix]
|
|
name_tbl[prefix] += 1
|
|
if ind < len(name_table):
|
|
return name_table[ind]
|
|
return prefix + str(ind)
|
|
|
|
|
|
def parse_bcd(data):
|
|
ret = 0
|
|
for c in data:
|
|
ret *= 10
|
|
ret += c >> 4
|
|
ret *= 10
|
|
ret += c & 15
|
|
return ret
|
|
|
|
|
|
def serialize_f80(num):
|
|
num = float(num)
|
|
f64, = struct.unpack(">Q", struct.pack(">d", num))
|
|
f64_sign_bit = f64 & 2 ** 63
|
|
if num == 0.0:
|
|
if f64_sign_bit:
|
|
return b"\x80" + b"\0" * 9
|
|
else:
|
|
return b"\0" * 10
|
|
exponent = (f64 ^ f64_sign_bit) >> 52
|
|
assert exponent != 0, "can't handle denormals"
|
|
assert exponent != 0x7FF, "can't handle infinity/nan"
|
|
exponent -= 1023
|
|
f64_mantissa_bits = f64 & (2 ** 52 - 1)
|
|
f80_sign_bit = f64_sign_bit << (80 - 64)
|
|
f80_exponent = (exponent + 0x3FFF) << 64
|
|
f80_mantissa_bits = 2 ** 63 | (f64_mantissa_bits << (63 - 52))
|
|
f80 = f80_sign_bit | f80_exponent | f80_mantissa_bits
|
|
return struct.pack(">HQ", f80 >> 64, f80 & (2 ** 64 - 1))
|
|
|
|
|
|
def round_f32(num):
|
|
enc = struct.pack(">f", num)
|
|
for decimals in range(5, 20):
|
|
num2 = round(num, decimals)
|
|
if struct.pack(">f", num2) == enc:
|
|
return num2
|
|
return num
|
|
|
|
|
|
def parse_sound(data):
|
|
sample_addr, tuning = struct.unpack(">If", data)
|
|
if sample_addr == 0:
|
|
assert tuning == 0
|
|
return None
|
|
return Sound(sample_addr, tuning)
|
|
|
|
|
|
def parse_drum(data, addr):
|
|
name = gen_name("drum")
|
|
release_rate, pan, loaded, pad = struct.unpack(">BBBB", data[:4])
|
|
assert loaded == 0
|
|
assert pad == 0
|
|
sound = parse_sound(data[4:12])
|
|
env_addr, = struct.unpack(">I", data[12:])
|
|
assert env_addr != 0
|
|
return Drum(name, addr, release_rate, pan, env_addr, sound)
|
|
|
|
|
|
def parse_inst(data, addr):
|
|
name = gen_name("inst")
|
|
loaded, normal_range_lo, normal_range_hi, release_rate, env_addr = struct.unpack(
|
|
">BBBBI", data[:8]
|
|
)
|
|
assert env_addr != 0
|
|
sound_lo = parse_sound(data[8:16])
|
|
sound_med = parse_sound(data[16:24])
|
|
sound_hi = parse_sound(data[24:])
|
|
if sound_lo is None:
|
|
assert normal_range_lo == 0
|
|
if sound_hi is None:
|
|
assert normal_range_hi == 127
|
|
return Inst(
|
|
name,
|
|
addr,
|
|
release_rate,
|
|
normal_range_lo,
|
|
normal_range_hi,
|
|
env_addr,
|
|
sound_lo,
|
|
sound_med,
|
|
sound_hi,
|
|
)
|
|
|
|
|
|
def parse_loop(addr, bank_data):
|
|
start, end, count, pad = struct.unpack(">IIiI", bank_data[addr : addr + 16])
|
|
assert pad == 0
|
|
if count != 0:
|
|
state = struct.unpack(">16h", bank_data[addr + 16 : addr + 48])
|
|
else:
|
|
state = None
|
|
return Loop(start, end, count, state)
|
|
|
|
|
|
def parse_book(addr, bank_data):
|
|
order, npredictors = struct.unpack(">ii", bank_data[addr : addr + 8])
|
|
assert order == 2
|
|
assert npredictors == 2
|
|
table_data = bank_data[addr + 8 : addr + 8 + 16 * order * npredictors]
|
|
table = []
|
|
for i in range(0, 16 * order * npredictors, 2):
|
|
table.append(struct.unpack(">h", table_data[i : i + 2])[0])
|
|
return Book(order, npredictors, table)
|
|
|
|
|
|
def parse_sample(data, bank_data, sample_bank):
|
|
zero, addr, loop, book, sample_size = struct.unpack(">IIIII", data)
|
|
assert zero == 0
|
|
assert loop != 0
|
|
assert book != 0
|
|
loop = parse_loop(loop, bank_data)
|
|
book = parse_book(book, bank_data)
|
|
return sample_bank.add_sample(addr, sample_size, book, loop)
|
|
|
|
|
|
def parse_envelope(addr, data_bank):
|
|
entries = []
|
|
while True:
|
|
delay, arg = struct.unpack(">HH", data_bank[addr : addr + 4])
|
|
entries.append((delay, arg))
|
|
addr += 4
|
|
if 1 <= (-delay) % 2 ** 16 <= 3:
|
|
break
|
|
return entries
|
|
|
|
|
|
def parse_ctl(header, data, sample_bank, index):
|
|
name_tbl.clear()
|
|
name = "{:02X}".format(index)
|
|
num_instruments, num_drums, shared = struct.unpack(">III", header[:12])
|
|
date = parse_bcd(header[12:])
|
|
y = date // 10000
|
|
m = date // 100 % 100
|
|
d = date % 100
|
|
iso_date = "{:02}-{:02}-{:02}".format(y, m, d)
|
|
assert shared in [0, 1]
|
|
# print("{}: {}, {} + {}".format(name, iso_date, num_instruments, num_drums))
|
|
|
|
drum_base_addr, = struct.unpack(">I", data[:4])
|
|
drum_addrs = []
|
|
if num_drums != 0:
|
|
assert drum_base_addr != 0
|
|
for i in range(num_drums):
|
|
drum_addr, = struct.unpack(
|
|
">I", data[drum_base_addr + i * 4 : drum_base_addr + i * 4 + 4]
|
|
)
|
|
assert drum_addr != 0
|
|
drum_addrs.append(drum_addr)
|
|
else:
|
|
assert drum_base_addr == 0
|
|
|
|
inst_base_addr = 4
|
|
inst_addrs = []
|
|
inst_list = []
|
|
for i in range(num_instruments):
|
|
inst_addr, = struct.unpack(
|
|
">I", data[inst_base_addr + i * 4 : inst_base_addr + i * 4 + 4]
|
|
)
|
|
if inst_addr == 0:
|
|
inst_list.append(None)
|
|
else:
|
|
inst_list.append(inst_addr)
|
|
inst_addrs.append(inst_addr)
|
|
|
|
inst_addrs.sort()
|
|
assert drum_addrs == sorted(drum_addrs)
|
|
if drum_addrs and inst_addrs:
|
|
assert max(inst_addrs) < min(drum_addrs)
|
|
|
|
assert len(set(inst_addrs)) == len(inst_addrs)
|
|
assert len(set(drum_addrs)) == len(drum_addrs)
|
|
|
|
insts = []
|
|
for inst_addr in inst_addrs:
|
|
insts.append(parse_inst(data[inst_addr : inst_addr + 32], inst_addr))
|
|
|
|
drums = []
|
|
for drum_addr in drum_addrs:
|
|
drums.append(parse_drum(data[drum_addr : drum_addr + 16], drum_addr))
|
|
|
|
env_addrs = set()
|
|
sample_addrs = set()
|
|
tunings = defaultdict(lambda: [])
|
|
for inst in insts:
|
|
for sound in [inst.sound_lo, inst.sound_med, inst.sound_hi]:
|
|
if sound is not None:
|
|
sample_addrs.add(sound.sample_addr)
|
|
tunings[sound.sample_addr].append(sound.tuning)
|
|
env_addrs.add(inst.envelope)
|
|
for drum in drums:
|
|
sample_addrs.add(drum.sound.sample_addr)
|
|
tunings[drum.sound.sample_addr].append(drum.sound.tuning)
|
|
env_addrs.add(drum.envelope)
|
|
|
|
# Put drums somewhere in the middle of the instruments to make sample
|
|
# addresses come in increasing order. (This logic isn't totally right,
|
|
# but it works for our purposes.)
|
|
all_insts = []
|
|
need_drums = len(drums) > 0
|
|
for inst in insts:
|
|
if need_drums and any(
|
|
s.sample_addr > drums[0].sound.sample_addr
|
|
for s in [inst.sound_lo, inst.sound_med, inst.sound_hi]
|
|
if s is not None
|
|
):
|
|
all_insts.append(drums)
|
|
need_drums = False
|
|
all_insts.append(inst)
|
|
|
|
if need_drums:
|
|
all_insts.append(drums)
|
|
|
|
samples = {}
|
|
for addr in sorted(sample_addrs):
|
|
samples[addr] = parse_sample(data[addr : addr + 20], data, sample_bank)
|
|
samples[addr].tunings.extend(tunings[addr])
|
|
|
|
env_data = {}
|
|
used_env_addrs = set()
|
|
for addr in sorted(env_addrs):
|
|
env = parse_envelope(addr, data)
|
|
env_data[addr] = env
|
|
for i in range(align(len(env), 4)):
|
|
used_env_addrs.add(addr + i * 4)
|
|
|
|
# Unused envelopes
|
|
unused_envs = set()
|
|
if used_env_addrs:
|
|
for addr in range(min(used_env_addrs) + 4, max(used_env_addrs), 4):
|
|
if addr not in used_env_addrs:
|
|
unused_envs.add(addr)
|
|
stub_marker, = struct.unpack(">I", data[addr : addr + 4])
|
|
assert stub_marker == 0
|
|
env = parse_envelope(addr, data)
|
|
env_data[addr] = env
|
|
for i in range(align(len(env), 4)):
|
|
used_env_addrs.add(addr + i * 4)
|
|
|
|
envelopes = {}
|
|
for addr in sorted(env_data.keys()):
|
|
env_name = gen_name("envelope")
|
|
if addr in unused_envs:
|
|
env_name += "_unused"
|
|
envelopes[addr] = Envelope(env_name, env_data[addr])
|
|
|
|
return Bank(
|
|
name,
|
|
iso_date,
|
|
sample_bank,
|
|
insts,
|
|
drums,
|
|
all_insts,
|
|
inst_list,
|
|
envelopes,
|
|
samples,
|
|
)
|
|
|
|
|
|
def parse_seqfile(data, filetype):
|
|
magic, num_entries = struct.unpack(">HH", data[:4])
|
|
assert magic == filetype
|
|
prev = align(4 + num_entries * 8, 16)
|
|
entries = []
|
|
for i in range(num_entries):
|
|
offset, length = struct.unpack(">II", data[4 + i * 8 : 4 + i * 8 + 8])
|
|
if filetype == TYPE_CTL:
|
|
assert offset == prev
|
|
else:
|
|
assert offset <= prev
|
|
prev = max(prev, offset + length)
|
|
entries.append((offset, length))
|
|
assert all(x == 0 for x in data[prev:])
|
|
return entries
|
|
|
|
|
|
def parse_tbl(data, entries):
|
|
seen = {}
|
|
tbls = []
|
|
sample_banks = []
|
|
sample_bank_map = {}
|
|
for (offset, length) in entries:
|
|
if offset not in seen:
|
|
name = gen_name("sample_bank")
|
|
seen[offset] = name
|
|
sample_bank = SampleBank(name, data[offset : offset + length], offset)
|
|
sample_banks.append(sample_bank)
|
|
sample_bank_map[name] = sample_bank
|
|
tbls.append(seen[offset])
|
|
return tbls, sample_banks, sample_bank_map
|
|
|
|
|
|
class AifcWriter:
|
|
def __init__(self, out):
|
|
self.out = out
|
|
self.sections = []
|
|
self.total_size = 0
|
|
|
|
def add_section(self, tp, data):
|
|
assert isinstance(tp, bytes)
|
|
assert isinstance(data, bytes)
|
|
self.sections.append((tp, data))
|
|
self.total_size += align(len(data), 2) + 8
|
|
|
|
def add_custom_section(self, tp, data):
|
|
self.add_section(b"APPL", b"stoc" + self.pstring(tp) + data)
|
|
|
|
def pstring(self, data):
|
|
return bytes([len(data)]) + data + (b"" if len(data) % 2 else b"\0")
|
|
|
|
def finish(self):
|
|
# total_size isn't used, and is regularly wrong. In particular, vadpcm_enc
|
|
# preserves the size of the input file...
|
|
self.total_size += 4
|
|
self.out.write(b"FORM" + struct.pack(">I", self.total_size) + b"AIFC")
|
|
for (tp, data) in self.sections:
|
|
self.out.write(tp + struct.pack(">I", len(data)))
|
|
self.out.write(data)
|
|
if len(data) % 2:
|
|
self.out.write(b"\0")
|
|
|
|
|
|
def write_aifc(entry, out):
|
|
writer = AifcWriter(out)
|
|
num_channels = 1
|
|
data = entry.data
|
|
assert len(data) % 9 == 0
|
|
if len(data) % 2 == 1:
|
|
data += b"\0"
|
|
# (Computing num_frames this way makes it off by one when the data length
|
|
# is odd. It matches vadpcm_enc, though.)
|
|
num_frames = len(data) * 16 // 9
|
|
sample_size = 16 # bits per sample
|
|
|
|
if len(set(entry.tunings)) == 1:
|
|
sample_rate = 32000 * entry.tunings[0]
|
|
else:
|
|
# Some drum sounds in sample bank B don't have unique sample rates, so
|
|
# we have to guess. This doesn't matter for matching, it's just to make
|
|
# the sounds easy to listen to.
|
|
if min(entry.tunings) <= 0.5 <= max(entry.tunings):
|
|
sample_rate = 16000
|
|
elif min(entry.tunings) <= 1.0 <= max(entry.tunings):
|
|
sample_rate = 32000
|
|
elif min(entry.tunings) <= 1.5 <= max(entry.tunings):
|
|
sample_rate = 48000
|
|
elif min(entry.tunings) <= 2.5 <= max(entry.tunings):
|
|
sample_rate = 80000
|
|
else:
|
|
sample_rate = 16000 * (min(entry.tunings) + max(entry.tunings))
|
|
|
|
writer.add_section(
|
|
b"COMM",
|
|
struct.pack(">hIh", num_channels, num_frames, sample_size)
|
|
+ serialize_f80(sample_rate)
|
|
+ b"VAPC"
|
|
+ writer.pstring(b"VADPCM ~4-1"),
|
|
)
|
|
writer.add_section(b"INST", b"\0" * 20)
|
|
table_data = b"".join(struct.pack(">h", x) for x in entry.book.table)
|
|
writer.add_custom_section(
|
|
b"VADPCMCODES",
|
|
struct.pack(">hhh", 1, entry.book.order, entry.book.npredictors) + table_data,
|
|
)
|
|
writer.add_section(b"SSND", struct.pack(">II", 0, 0) + data)
|
|
if entry.loop.count != 0:
|
|
writer.add_custom_section(
|
|
b"VADPCMLOOPS",
|
|
struct.pack(
|
|
">HHIIi16h",
|
|
1,
|
|
1,
|
|
entry.loop.start,
|
|
entry.loop.end,
|
|
entry.loop.count,
|
|
*entry.loop.state
|
|
),
|
|
)
|
|
writer.finish()
|
|
|
|
|
|
def write_aiff(entry, filename):
|
|
temp = tempfile.NamedTemporaryFile(suffix=".aifc", delete=False)
|
|
try:
|
|
write_aifc(entry, temp)
|
|
temp.flush()
|
|
temp.close()
|
|
aifc_decode = os.path.join(os.path.dirname(__file__), "aifc_decode")
|
|
subprocess.run([aifc_decode, temp.name, filename], check=True)
|
|
finally:
|
|
temp.close()
|
|
os.remove(temp.name)
|
|
|
|
|
|
# Modified from https://stackoverflow.com/a/25935321/1359139, cc by-sa 3.0
|
|
class NoIndent(object):
|
|
def __init__(self, value):
|
|
self.value = value
|
|
|
|
|
|
class NoIndentEncoder(json.JSONEncoder):
|
|
def __init__(self, *args, **kwargs):
|
|
super(NoIndentEncoder, self).__init__(*args, **kwargs)
|
|
self._replacement_map = {}
|
|
|
|
def default(self, o):
|
|
def ignore_noindent(o):
|
|
if isinstance(o, NoIndent):
|
|
return o.value
|
|
return self.default(o)
|
|
|
|
if isinstance(o, NoIndent):
|
|
key = uuid.uuid4().hex
|
|
self._replacement_map[key] = json.dumps(o.value, default=ignore_noindent)
|
|
return "@@%s@@" % (key,)
|
|
else:
|
|
return super(NoIndentEncoder, self).default(o)
|
|
|
|
def encode(self, o):
|
|
result = super(NoIndentEncoder, self).encode(o)
|
|
repl_map = self._replacement_map
|
|
|
|
def repl(m):
|
|
key = m.group()[3:-3]
|
|
return repl_map[key]
|
|
|
|
return re.sub(r"\"@@[0-9a-f]*?@@\"", repl, result)
|
|
|
|
|
|
def inst_ifdef_json(bank_index, inst_index):
|
|
if bank_index == 7 and inst_index >= 13:
|
|
return NoIndent(["VERSION_US", "VERSION_EU"])
|
|
if bank_index == 8 and inst_index >= 16:
|
|
return NoIndent(["VERSION_US", "VERSION_EU"])
|
|
if bank_index == 10 and inst_index >= 14:
|
|
return NoIndent(["VERSION_US", "VERSION_EU"])
|
|
return None
|
|
|
|
|
|
def main():
|
|
args = []
|
|
need_help = False
|
|
only_samples = False
|
|
only_samples_list = []
|
|
for a in sys.argv[1:]:
|
|
if a == "--help" or a == "-h":
|
|
need_help = True
|
|
elif a == "--only-samples":
|
|
only_samples = True
|
|
elif a.startswith("-"):
|
|
print("Unrecognized option " + a)
|
|
sys.exit(1)
|
|
elif only_samples:
|
|
only_samples_list.append(a)
|
|
else:
|
|
args.append(a)
|
|
|
|
expected_num_args = 2 if only_samples else 4
|
|
if need_help or len(args) != expected_num_args:
|
|
print(
|
|
"Usage: {}"
|
|
" <.ctl file> <.tbl file>"
|
|
" (<samples outdir> <sound bank outdir> |"
|
|
" --only-samples file:index ...)".format(sys.argv[0])
|
|
)
|
|
sys.exit(0 if need_help else 1)
|
|
|
|
ctl_data = open(args[0], "rb").read()
|
|
tbl_data = open(args[1], "rb").read()
|
|
|
|
if not only_samples:
|
|
samples_out_dir = args[2]
|
|
banks_out_dir = args[3]
|
|
|
|
ctl_entries = parse_seqfile(ctl_data, TYPE_CTL)
|
|
tbl_entries = parse_seqfile(tbl_data, TYPE_TBL)
|
|
assert len(ctl_entries) == len(tbl_entries)
|
|
|
|
tbls, sample_banks, sample_bank_map = parse_tbl(tbl_data, tbl_entries)
|
|
|
|
banks = []
|
|
for ((offset, length), sample_bank_name, index) in zip(
|
|
ctl_entries, tbls, range(len(ctl_entries))
|
|
):
|
|
sample_bank = sample_bank_map[sample_bank_name]
|
|
entry = ctl_data[offset : offset + length]
|
|
banks.append(parse_ctl(entry[:16], entry[16:], sample_bank, index))
|
|
|
|
# Special mode used for asset extraction: generate aifc files, with paths
|
|
# given by command line arguments
|
|
if only_samples:
|
|
index_to_filename = {}
|
|
created_dirs = set()
|
|
for arg in only_samples_list:
|
|
filename, index = arg.rsplit(":", 1)
|
|
index_to_filename[int(index)] = filename
|
|
index = -1
|
|
for sample_bank in sample_banks:
|
|
offsets = sorted(set(sample_bank.entries.keys()))
|
|
for offset in offsets:
|
|
entry = sample_bank.entries[offset]
|
|
index += 1
|
|
if index in index_to_filename:
|
|
filename = index_to_filename[index]
|
|
dir = os.path.dirname(filename)
|
|
if dir not in created_dirs:
|
|
os.makedirs(dir, exist_ok=True)
|
|
created_dirs.add(dir)
|
|
write_aiff(entry, filename)
|
|
return
|
|
|
|
# Generate aiff files
|
|
for sample_bank in sample_banks:
|
|
dir = os.path.join(samples_out_dir, sample_bank.name)
|
|
os.makedirs(dir, exist_ok=True)
|
|
|
|
offsets = sorted(set(sample_bank.entries.keys()))
|
|
# print(sample_bank.name, len(offsets), 'entries')
|
|
offsets.append(len(sample_bank.data))
|
|
|
|
assert 0 in offsets
|
|
for offset, next_offset, index in zip(
|
|
offsets, offsets[1:], range(len(offsets))
|
|
):
|
|
entry = sample_bank.entries[offset]
|
|
entry.name = "{:02X}".format(index)
|
|
size = next_offset - offset
|
|
assert size % 16 == 0
|
|
assert size - 15 <= len(entry.data) <= size
|
|
garbage = sample_bank.data[offset + len(entry.data) : offset + size]
|
|
if len(entry.data) % 2 == 1:
|
|
assert garbage[0] == 0
|
|
if next_offset != offsets[-1]:
|
|
# (The last chunk follows a more complex garbage pattern)
|
|
assert all(x == 0 for x in garbage)
|
|
filename = os.path.join(dir, entry.name + ".aiff")
|
|
write_aiff(entry, filename)
|
|
|
|
# Generate sound bank .json files
|
|
os.makedirs(banks_out_dir, exist_ok=True)
|
|
for bank_index, bank in enumerate(banks):
|
|
filename = os.path.join(banks_out_dir, bank.name + ".json")
|
|
with open(filename, "w") as out:
|
|
|
|
def sound_to_json(sound):
|
|
entry = bank.samples[sound.sample_addr]
|
|
if len(set(entry.tunings)) == 1:
|
|
return entry.name
|
|
return {"sample": entry.name, "tuning": round_f32(sound.tuning)}
|
|
|
|
bank_json = {
|
|
"date": bank.iso_date,
|
|
"sample_bank": bank.sample_bank.name,
|
|
"envelopes": {},
|
|
"instruments": {},
|
|
"instrument_list": [],
|
|
}
|
|
addr_to_name = {}
|
|
|
|
# Envelopes
|
|
for env in bank.envelopes.values():
|
|
env_json = []
|
|
for (delay, arg) in env.entries:
|
|
if delay == 0:
|
|
ins = "stop"
|
|
assert arg == 0
|
|
elif delay == 2 ** 16 - 1:
|
|
ins = "hang"
|
|
assert arg == 0
|
|
elif delay == 2 ** 16 - 2:
|
|
ins = ["goto", arg]
|
|
elif delay == 2 ** 16 - 3:
|
|
ins = "restart"
|
|
assert arg == 0
|
|
else:
|
|
ins = [delay, arg]
|
|
env_json.append(NoIndent(ins))
|
|
bank_json["envelopes"][env.name] = env_json
|
|
|
|
# Instruments/drums
|
|
for inst_index, inst in enumerate(bank.all_insts):
|
|
if isinstance(inst, Inst):
|
|
inst_json = {
|
|
"ifdef": inst_ifdef_json(bank_index, inst_index),
|
|
"release_rate": inst.release_rate,
|
|
"normal_range_lo": inst.normal_range_lo,
|
|
"normal_range_hi": inst.normal_range_hi,
|
|
"envelope": bank.envelopes[inst.envelope].name,
|
|
}
|
|
|
|
if inst_json["ifdef"] is None:
|
|
del inst_json["ifdef"]
|
|
|
|
if inst.sound_lo is not None:
|
|
inst_json["sound_lo"] = NoIndent(sound_to_json(inst.sound_lo))
|
|
else:
|
|
del inst_json["normal_range_lo"]
|
|
|
|
inst_json["sound"] = NoIndent(sound_to_json(inst.sound_med))
|
|
|
|
if inst.sound_hi is not None:
|
|
inst_json["sound_hi"] = NoIndent(sound_to_json(inst.sound_hi))
|
|
else:
|
|
del inst_json["normal_range_hi"]
|
|
|
|
bank_json["instruments"][inst.name] = inst_json
|
|
addr_to_name[inst.addr] = inst.name
|
|
|
|
else:
|
|
assert isinstance(inst, list)
|
|
drums_list_json = []
|
|
for drum in inst:
|
|
drum_json = {
|
|
"release_rate": drum.release_rate,
|
|
"pan": drum.pan,
|
|
"envelope": bank.envelopes[drum.envelope].name,
|
|
"sound": sound_to_json(drum.sound),
|
|
}
|
|
drums_list_json.append(NoIndent(drum_json))
|
|
bank_json["instruments"]["percussion"] = drums_list_json
|
|
|
|
# Instrument lists
|
|
for addr in bank.inst_list:
|
|
if addr is None:
|
|
bank_json["instrument_list"].append(None)
|
|
else:
|
|
bank_json["instrument_list"].append(addr_to_name[addr])
|
|
|
|
out.write(json.dumps(bank_json, indent=4, cls=NoIndentEncoder))
|
|
out.write("\n")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|