mirror of
https://github.com/zeldaret/oot.git
synced 2024-12-27 07:07:09 +00:00
29acf96db2
* [Audio 1/?] Extract Samplebanks and Soundfonts to XML * Remove config.py and use the version yamls for addresses, other suggested changes * Adjust setup-audio * Remove some commented out dead code (MM review)
406 lines
15 KiB
Python
406 lines
15 KiB
Python
# SPDX-FileCopyrightText: © 2024 ZeldaRET
|
|
# SPDX-License-Identifier: CC0-1.0
|
|
#
|
|
# This file implements reading various structures resident to the Audiobank files.
|
|
# Additionally handles:
|
|
# - Linking with finalized samples
|
|
# - Writing xml elements representing these structures in soundfont xmls
|
|
#
|
|
|
|
import struct
|
|
from enum import IntEnum
|
|
|
|
from .audio_tables import AudioStorageMedium
|
|
from .tuning import rate_from_tuning, pitch_names
|
|
from .util import XMLWriter
|
|
|
|
VADPCM_VERSTAMP = 1
|
|
|
|
class AudioSampleCodec(IntEnum):
|
|
CODEC_ADPCM = 0
|
|
CODEC_S8 = 1
|
|
CODEC_S16_INMEMORY = 2
|
|
CODEC_SMALL_ADPCM = 3
|
|
CODEC_REVERB = 4
|
|
CODEC_S16 = 5
|
|
|
|
|
|
|
|
class SoundFontSample: # SampleHeader ?
|
|
"""
|
|
typedef struct {
|
|
/* 0x00 */ u32 codec : 4;
|
|
/* 0x00 */ u32 medium : 2; // storage medium determines which of the two sample bank ids to use when relocating sampleAddr
|
|
/* 0x00 */ u32 cached : 1;
|
|
/* 0x00 */ u32 isRelocated : 1;
|
|
/* 0x01 */ u32 size : 24;
|
|
/* 0x04 */ u8* sampleAddr; // offset into the sample bank associated with this soundfont
|
|
/* 0x08 */ AdpcmLoop* loop;
|
|
/* 0x0C */ AdpcmBook* book;
|
|
} SoundFontSample; // size = 0x10
|
|
"""
|
|
SIZE = 0x10
|
|
|
|
def __init__(self, data):
|
|
bits, self.sample_addr, self.loop, self.book = struct.unpack(">IIII", data[:0x10])
|
|
|
|
self.codec = AudioSampleCodec((bits >> 28) & 0b1111)
|
|
self.medium = AudioStorageMedium((bits >> 26) & 0b11)
|
|
self.cached = bool((bits >> 25) & 1)
|
|
self.is_relocated = bool((bits >> 24) & 1)
|
|
self.size = (bits >> 0) & 0b111111111111111111111111
|
|
|
|
assert self.book != 0
|
|
assert self.loop != 0
|
|
assert self.codec in [AudioSampleCodec.CODEC_ADPCM, AudioSampleCodec.CODEC_SMALL_ADPCM]
|
|
assert self.medium == 0
|
|
assert not self.is_relocated # Not relocated in ROM
|
|
|
|
def to_xml(self, xml : XMLWriter, name : str, rate_override = None, note_override = None):
|
|
# Example xml output:
|
|
# <Sample Name="SAMPLE_NAME" SampleRate="32000" BaseNote="C4" IsDD="false" Cached="false">
|
|
|
|
attrs = { "Name" : name }
|
|
if rate_override is not None:
|
|
attrs["SampleRate"] = rate_override
|
|
if note_override is not None:
|
|
attrs["BaseNote"] = note_override
|
|
if self.medium != 0:
|
|
attrs["IsDD"] = "true"
|
|
if self.cached:
|
|
attrs["Cached"] = str(self.cached).lower()
|
|
|
|
xml.write_element("Sample", attrs)
|
|
|
|
def __str__(self):
|
|
out = "(SoundFontSample){\n"
|
|
out += f" .codec = {self.codec.name}\n"
|
|
out += f" .medium = {self.medium.name}\n"
|
|
out += f" .cached = {self.cached}\n"
|
|
out += f" .is_relocated = {self.is_relocated}\n"
|
|
out += f" .size = 0x{self.size:X}\n"
|
|
out += f" .sampleAddr = 0x{self.sample_addr:X}\n"
|
|
out += f" .loop = 0x{self.loop:X}\n"
|
|
out += f" .book = 0x{self.book:X}\n"
|
|
out += "}\n"
|
|
return out
|
|
|
|
|
|
|
|
class AdpcmLoop:
|
|
"""
|
|
typedef struct {
|
|
/* 0x00 */ u32 start;
|
|
/* 0x04 */ u32 end;
|
|
/* 0x08 */ u32 count;
|
|
/* 0x0C */ u32 numFrames;
|
|
/* 0x10 */ s16 state[16]; // only exists if count != 0. 8-byte aligned
|
|
} AdpcmLoop; // size = 0x30 (or 0x10)
|
|
"""
|
|
|
|
def __init__(self, data):
|
|
self.start, self.end, self.count, self.num_frames = struct.unpack(">IIII", data[:0x10])
|
|
|
|
# We expect loops to be either "no loop" or "infinite", as these are all that vadpcm_enc could handle.
|
|
assert self.count in (0,0xFFFFFFFF)
|
|
|
|
if self.count != 0:
|
|
self.state = tuple(s[0] for s in struct.iter_unpack(">h", data[0x10:0x30]))
|
|
else:
|
|
# A count of 0 indicates "no loop", but a loop structure is mandatory for all samples so something had to
|
|
# be emitted. Ensure the start is at 0, later we will ensure that the end is at the last frame of the sample
|
|
# once we have the sample data.
|
|
assert self.start == 0
|
|
self.state = tuple([0] * 16)
|
|
assert len(self.state) == 16
|
|
|
|
def serialize(self):
|
|
"""
|
|
Creates VADPCMLOOPS section data for aifc files
|
|
"""
|
|
NUM_LOOPS = 1
|
|
|
|
return struct.pack(">HHIII16h",
|
|
VADPCM_VERSTAMP, NUM_LOOPS,
|
|
self.start, self.end, self.count,
|
|
*self.state)
|
|
|
|
def __eq__(self, other):
|
|
if not isinstance(other, AdpcmLoop):
|
|
return False
|
|
other : AdpcmLoop
|
|
|
|
start_matches = self.start == other.start
|
|
end_matches = self.end == other.end
|
|
count_matches = self.count == other.count
|
|
# We don't check num_frames in loop equality since loops in different soundfonts referring to the same
|
|
# sample data may not have this field filled out
|
|
return start_matches and end_matches and count_matches and self.state == other.state
|
|
|
|
def __str__(self):
|
|
out = "(AdpcmLoop){\n"
|
|
out += f" .start = {self.start},\n"
|
|
out += f" .end = {self.end},\n"
|
|
out += f" .count = {self.count},\n"
|
|
out += f" .numFrames = {self.num_frames},\n"
|
|
out += f" .state = {self.state},\n"
|
|
out += "}\n"
|
|
return out
|
|
|
|
class AdpcmBook:
|
|
"""
|
|
typedef struct {
|
|
/* 0x00 */ s32 order;
|
|
/* 0x04 */ s32 npredictors;
|
|
/* 0x08 */ s16 book[1]; // size 8 * order * npredictors. 8-byte aligned
|
|
} AdpcmBook; // size >= 0x8
|
|
"""
|
|
|
|
def __init__(self, data):
|
|
self.order, self.n_predictors = struct.unpack(">ii", data[:8])
|
|
self.book = tuple(s[0] for s in struct.iter_unpack(">h", data[8:][:2 * 8 * self.order * self.n_predictors]))
|
|
assert len(self.book) == 8 * self.order * self.n_predictors , (len(self.book), 8 * self.order * self.n_predictors)
|
|
|
|
def serialize(self):
|
|
header = struct.pack(">hhh", VADPCM_VERSTAMP, self.order, self.n_predictors)
|
|
data = b"".join(struct.pack(">h", x) for x in self.book)
|
|
return header + data
|
|
|
|
def __eq__(self, other):
|
|
if not isinstance(other, AdpcmBook):
|
|
return False
|
|
other : AdpcmBook
|
|
|
|
order_matches = self.order == other.order
|
|
npredictors_matches = self.n_predictors == other.n_predictors
|
|
return order_matches and npredictors_matches and self.book == other.book
|
|
|
|
def __str__(self):
|
|
out = "(AdpcmBook){\n"
|
|
out += f" .order = {self.order},\n"
|
|
out += f" .npredictors = {self.n_predictors},\n"
|
|
out += f" .book = {self.book},\n"
|
|
out += "}\n"
|
|
return out
|
|
|
|
|
|
|
|
class SoundFontSound:
|
|
"""
|
|
typedef struct {
|
|
/* 0x00 */ SoundFontSample* sample;
|
|
/* 0x04 */ f32 tuning; // frequency scale factor
|
|
} SoundFontSound; // size = 0x8
|
|
"""
|
|
SIZE = 8
|
|
|
|
def __init__(self, index, data):
|
|
self.index = index
|
|
self.sample, self.tuning = struct.unpack(">If", data[:8])
|
|
|
|
def finalize(self, sample_lookup_fn):
|
|
from .audiotable import AudioTableSample
|
|
|
|
sample = sample_lookup_fn(self.sample)
|
|
if sample is None:
|
|
return
|
|
|
|
assert isinstance(sample, AudioTableSample)
|
|
sample : AudioTableSample
|
|
|
|
assert self.tuning in sample.tuning_map
|
|
rate,note = sample.tuning_map[self.tuning]
|
|
|
|
self.sample_rate = rate
|
|
self.needs_rate_override = self.sample_rate != sample.sample_rate
|
|
|
|
self.base_note = note
|
|
self.needs_note_override = self.base_note != sample.base_note
|
|
|
|
def __str__(self) -> str:
|
|
out = "(SoundFontSound}{\n"
|
|
out += f" .sample = 0x{self.sample:X}\n"
|
|
out += f" .tuning = {self.tuning:.7f}f\n"
|
|
out += "}\n"
|
|
return out
|
|
|
|
def to_xml(self, xml : XMLWriter, name : str, sample_name_func):
|
|
if self.sample == 0 and self.tuning == 0:
|
|
xml.write_element("Effect")
|
|
else:
|
|
attrs = {
|
|
"Name" : name,
|
|
"Sample" : sample_name_func(self.sample),
|
|
}
|
|
if self.needs_rate_override:
|
|
attrs["SampleRate"] = self.sample_rate
|
|
if self.needs_note_override:
|
|
attrs["BaseNote"] = self.base_note
|
|
|
|
xml.write_element("Effect", attrs)
|
|
|
|
|
|
|
|
class Drum:
|
|
"""
|
|
typedef struct {
|
|
/* 0x00 */ u8 releaseRate;
|
|
/* 0x01 */ u8 pan;
|
|
/* 0x02 */ u8 isRelocated;
|
|
/* 0x04 */ SoundFontSound sound;
|
|
/* 0x0C */ AdsrEnvelope* envelope;
|
|
} Drum; // size = 0x10
|
|
"""
|
|
SIZE = 0x10
|
|
|
|
def __init__(self, data):
|
|
self.release_rate, self.pan, self.is_relocated, self.sample, self.tuning, self.envelope = \
|
|
struct.unpack(">BBBxIfI", data[:0x10])
|
|
|
|
assert self.is_relocated == 0
|
|
|
|
def group_continuation(self, other):
|
|
"""
|
|
Determine if self is a continuation of the drum group containing other, the last drum added.
|
|
"""
|
|
# If there is no previous drum or the previous drum was an empty entry, always begin a new group
|
|
if other is None:
|
|
return False
|
|
|
|
assert isinstance(other, Drum)
|
|
|
|
# Check general agreement, if these attributes do not match it is certainly not part of the same group
|
|
if self.sample == other.sample and self.pan == other.pan and self.envelope == other.envelope and \
|
|
self.release_rate == other.release_rate:
|
|
# If there is any intersection in the samplerates, assume these are in the same drum group
|
|
samplerates1 = set(rate for _,rate in rate_from_tuning(self.tuning))
|
|
samplerates2 = set(rate for _,rate in rate_from_tuning(other.tuning))
|
|
return len(samplerates1.intersection(samplerates2)) != 0
|
|
|
|
return False
|
|
|
|
def __str__(self):
|
|
out = "(Drum){\n"
|
|
out += f" .releaseRate = {self.release_rate},\n"
|
|
out += f" .pan = {self.pan},\n"
|
|
out += f" .isRelocated = {self.is_relocated},\n"
|
|
out += f" .sound.sample = 0x{self.sample:X},\n"
|
|
out += f" .sound.tuning = {self.tuning:.7f}f,\n"
|
|
out += f" .envelope = 0x{self.envelope:X},\n"
|
|
out += "}\n"
|
|
return out
|
|
|
|
|
|
|
|
class Instrument:
|
|
"""
|
|
typedef struct {
|
|
/* 0x00 */ u8 isRelocated;
|
|
/* 0x01 */ u8 normalRangeLo;
|
|
/* 0x02 */ u8 normalRangeHi;
|
|
/* 0x03 */ u8 releaseRate;
|
|
/* 0x04 */ AdsrEnvelope* envelope;
|
|
/* 0x08 */ SoundFontSound lowNotesSound;
|
|
/* 0x10 */ SoundFontSound normalNotesSound;
|
|
/* 0x18 */ SoundFontSound highNotesSound;
|
|
} Instrument; // size = 0x20
|
|
"""
|
|
SIZE = 0x20
|
|
|
|
def __init__(self, data):
|
|
self.is_relocated, self.normal_range_lo, self.normal_range_hi, self.release_rate, self.envelope, \
|
|
self.low_notes_sample, self.low_notes_tuning, \
|
|
self.normal_notes_sample, self.normal_notes_tuning, \
|
|
self.high_notes_sample, self.high_notes_tuning = struct.unpack(">BBBBIIfIfIf", data[:0x20])
|
|
|
|
self.program_number = None
|
|
self.offset = None
|
|
self.struct_index = None
|
|
self.unused = False
|
|
|
|
assert self.is_relocated == 0
|
|
|
|
# Sample is either present or the split point is at the start/end
|
|
assert not (self.low_notes_sample == 0 and self.low_notes_tuning == 0.0) or self.normal_range_lo == 0
|
|
assert not (self.high_notes_sample == 0 and self.high_notes_tuning == 0.0) or self.normal_range_hi == 127
|
|
|
|
def __str__(self):
|
|
out = "(Instrument){\n"
|
|
out += f" .isRelocated = {self.is_relocated},\n"
|
|
out += f" .normalRangeLo = {self.normal_range_lo},\n"
|
|
out += f" .normalRangeHi = {self.normal_range_hi},\n"
|
|
out += f" .releaseRate = {self.release_rate},\n"
|
|
out += f" .envelope = 0x{self.envelope:X},\n"
|
|
out += f" .lowNotesSound.sample = {self.low_notes_sample},\n"
|
|
out += f" .lowNotesSound.tuning = {self.low_notes_tuning},\n"
|
|
out += f" .normalNotesSound.sample = {self.normal_notes_sample},\n"
|
|
out += f" .normalNotesSound.tuning = {self.normal_notes_tuning},\n"
|
|
out += f" .highNotesSound.sample = {self.high_notes_sample},\n"
|
|
out += f" .highNotesSound.tuning = {self.high_notes_tuning},\n"
|
|
out += "}\n"
|
|
return out
|
|
|
|
def finalize(self, sample_lookup_fn):
|
|
from .audiotable import AudioTableSample
|
|
|
|
self.sample_rate = [None] * 3
|
|
self.base_note = [None] * 3
|
|
self.needs_rate_override = [False] * 3
|
|
self.needs_note_override = [False] * 3
|
|
|
|
sample_offsets = (self.low_notes_sample, self.normal_notes_sample, self.high_notes_sample)
|
|
tunings = (self.low_notes_tuning, self.normal_notes_tuning, self.high_notes_tuning)
|
|
for i,(sample_offset,tuning) in enumerate(zip(sample_offsets, tunings)):
|
|
sample = sample_lookup_fn(sample_offset)
|
|
if sample is None:
|
|
continue
|
|
assert isinstance(sample, AudioTableSample)
|
|
sample : AudioTableSample
|
|
|
|
assert tuning in sample.tuning_map
|
|
rate,note = sample.tuning_map[tuning]
|
|
|
|
self.sample_rate[i] = rate
|
|
self.needs_rate_override[i] = self.sample_rate[i] != sample.sample_rate
|
|
|
|
self.base_note[i] = note
|
|
self.needs_note_override[i] = self.base_note[i] != sample.base_note
|
|
|
|
def to_xml(self, xml : XMLWriter, name : str, sample_names_func, envelope_name_func):
|
|
attributes = {}
|
|
|
|
if not self.unused:
|
|
attributes["ProgramNumber"] = self.program_number
|
|
attributes["Name"] = name
|
|
|
|
# TODO release rate overrides?
|
|
attributes.update({
|
|
"Envelope" : envelope_name_func(self.envelope),
|
|
#"Release" : self.release_rate,
|
|
"Sample" : sample_names_func(self.normal_notes_sample),
|
|
})
|
|
|
|
if self.needs_rate_override[1]:
|
|
attributes["SampleRate"] = self.sample_rate[1]
|
|
if self.needs_note_override[1]:
|
|
attributes["BaseNote"] = self.base_note[1]
|
|
|
|
if self.normal_range_lo != 0:
|
|
attributes["RangeLo"] = pitch_names[self.normal_range_lo]
|
|
attributes["SampleLo"] = sample_names_func(self.low_notes_sample)
|
|
|
|
if self.needs_rate_override[0]:
|
|
attributes["SampleRateLo"] = self.sample_rate[0]
|
|
if self.needs_note_override[0]:
|
|
attributes["BaseNoteLo"] = self.base_note[0]
|
|
|
|
if self.normal_range_hi != 127:
|
|
attributes["RangeHi"] = pitch_names[self.normal_range_hi]
|
|
attributes["SampleHi"] = sample_names_func(self.high_notes_sample)
|
|
|
|
if self.needs_rate_override[2]:
|
|
attributes["SampleRateHi"] = self.sample_rate[2]
|
|
if self.needs_note_override[2]:
|
|
attributes["BaseNoteHi"] = self.base_note[2]
|
|
|
|
xml.write_element("Instrument" if not self.unused else "InstrumentUnused", attributes)
|