mirror of
https://github.com/jwetzell/JakAudioTools.git
synced 2026-08-08 16:43:39 +00:00
update sbkparser to used namedtuple
This commit is contained in:
+3
-1
@@ -2,4 +2,6 @@ JAK1/
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JAK2/
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JAK3/
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OUT/
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*.mid
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*.mid
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*.bin
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*.bak
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+83
-94
@@ -2,6 +2,8 @@
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import os
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import argparse
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import struct
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from collections import namedtuple
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def is_valid_file(parser, arg):
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if not os.path.exists(arg):
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parser.error("The file %s does not exist!" % arg)
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@@ -23,127 +25,114 @@ name_length = 20
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sounds_start = 24
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sounds_length = 20
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with open(args.filepath, "rb") as f:
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sbkInfo = struct.unpack("20sI",f.read(24))
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print(sbkInfo)
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soundDatas = []
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for i in range(sbkInfo[1]):
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soundData = struct.unpack("16sHH",f.read(20))
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print(soundData)
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f.seek(2048)
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#struct type 20s I
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SBK = namedtuple('SBK','name soundCount')
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SBKStructString = "20sI"
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'''
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seq
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I version
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I subversion
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I minorversion
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I something?
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I soundbankStart
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I soundBankSize
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'''
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#struct type 16s I I
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Sound = namedtuple('Sound','name soundDataOffset soundDataSize')
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SoundStructString = "16sHH"
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#struct type I I I I I I
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SEQ = namedtuple('SEQ','version subversion minorversion something soundBankOffset soundBankSize')
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SEQStructString = "6I"
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#struct type 4s I I I I H H H H I I I I I
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SB1K = namedtuple('SB1K','signature version subversion minorversion zero e f g h instrumentOffset regionOffset k l m')
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SB1kStructString = "4sIIIIHHHHIIIII"
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#struct type I h h h h
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Instrument = namedtuple('Instrument','volume a b regionOffset d')
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InstrumentStructString = 'IHHHH'
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Region = namedtuple('Region','version subversion a volume b c d e1 e2 f1 f2 g1 sampleId zeros1 zeros2 zero3')
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RegionStructString = 'IIBBBBIHHHHHHIII'
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with open(args.filepath, "rb") as f:
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sbkInstance = SBK._make(struct.unpack(SBKStructString,f.read(24)))
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print(sbkInstance)
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soundDatas = []
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for i in range(sbkInstance.soundCount):
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soundData = Sound._make(struct.unpack(SoundStructString,f.read(20)))
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print(soundData)
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# a ton of zeros
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while(struct.unpack("B",f.read(1))[0] == 0):
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continue
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# found something rewind a byte
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f.seek(-1,1)
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seqStart = f.tell()
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seq = struct.unpack("6I",f.read(24))
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print(seq)
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seqInstance = SEQ._make(struct.unpack(SEQStructString,f.read(24)))
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print(seqInstance)
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soundbankStart = seq[4] + seqStart
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soundbankStart = seqInstance.soundBankOffset + seqStart
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print(f"SoundBank Offset: {soundbankStart}")
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'''
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sb1k
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4s signature 'SB1k'
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I
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I
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4s
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I
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H
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H
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H
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H
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I instrumentOffset from beingging of this struct
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I regionOffset from beginning of this struct
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I
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I
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I
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I
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I
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12s
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H
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H
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H
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H
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I
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'''
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soundBankHeaderStart = f.tell()
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sb1k = struct.unpack("4sII4sIHHHHIIIIIII12sHHHHI",f.read(80))
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SB1KInstance = SB1K._make(struct.unpack(SB1kStructString,f.read(48)))
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print(SB1KInstance)
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# there is some data here
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instrumentStart = SB1KInstance[8] + soundBankHeaderStart
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regionStart = SB1KInstance[10] + soundBankHeaderStart
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instrumentStart = sb1k[8] + soundBankHeaderStart
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print(instrumentStart)
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f.seek(instrumentStart)
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regionStart = sb1k[10] + soundBankHeaderStart
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print(sb1k)
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instruments = []
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while(f.tell() < regionStart):
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'''
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struct Instrument {
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uint8_t nRegion; // usually 1
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uint8_t volume; // ? maybe... like 7f is 1.0?
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uint16_t something; // always 0
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uint32_t oRegion; // relative to start of SBv2 block I think, points to the first region for instrument
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} __attribute__((packed));
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'''
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instrument = struct.unpack("BBBBHI",f.read(12))
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instruments.append(instrument)
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instrumentInstance = Instrument._make(struct.unpack(InstrumentStructString,f.read(12)))
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instruments.append(instrumentInstance)
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print("INSTRUMENTS")
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offsets = []
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for instrument in instruments:
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if instrument[-1] not in offsets:
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offsets.append(instrument[-1])
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print(instrument)
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print(len(offsets))
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for inst in instruments:
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if inst.regionOffset not in offsets:
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offsets.append(inst.regionOffset)
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print(inst)
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print(len(instruments))
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f.seek(regionStart)
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regions = []
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while(f.tell()<soundbankStart):
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#format defintely not right but
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region = struct.unpack("10I", f.read(40))
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regions.append(region)
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regionInstance = Region._make(struct.unpack(RegionStructString, f.read(40)))
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regions.append(regionInstance)
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print("REGIONS")
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sampleOffsets = []
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for region in regions:
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print(region)
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sampleOffset = soundbankStart + region[-4]
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for reg in regions:
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print(reg)
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sampleOffset = soundbankStart + reg[-4]
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if sampleOffset not in sampleOffsets:
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sampleOffsets.append(sampleOffset)
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#print(f"Region Sample Audio offset: {soundbankStart + region[10]}")
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# this should align the index of the sample offset with it's sample ID
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sampleOffsets.sort()
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# sampleOffsets.sort()
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count = 0
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for offset in sampleOffsets:
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f.seek(offset)
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soundData = f.read(1)
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while(f.tell() not in sampleOffsets):
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character = f.read(1)
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if not character:
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break
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soundData += character
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#VAGp header data length and sample rate are packed in bytes 11-15 and 16-20 respectively
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header = b'\x56\x41\x47\x70\x00\x00\x00\x20\x00\x00\x00\x00'
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header += struct.pack(">II", len(soundData), 22050)
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header += b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x61\x73\x73\x69\x73\x74\x61\x6E\x74\x2D\x76\x69\x6C\x6C\x61\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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# count = 0
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# previousOffset = 0
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# for offset in sampleOffsets:
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# previousOffset = offset
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# f.seek(offset)
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# soundData = f.read(1)
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# count += 1
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# while(f.tell() not in sampleOffsets):
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# character = f.read(1)
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# if not character:
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# break
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# soundData += character
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# #VAGp header data length and sample rate are packed in bytes 11-15 and 16-20 respectively
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# header = b'\x56\x41\x47\x70\x00\x00\x00\x20\x00\x00\x00\x00'
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# header += struct.pack(">II", len(soundData), 22050)
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# header += b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x61\x73\x73\x69\x73\x74\x61\x6E\x74\x2D\x76\x69\x6C\x6C\x61\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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with open(f'./OUT/VAGp/{count}.VAGp','wb') as out:
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out.write(header)
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out.write(soundData)
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out.close()
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count += 1
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# with open(f'./OUT/VAGp/{count}.VAGp','wb') as out:
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# out.write(header)
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# out.write(soundData)
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# out.close()
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# count += 1
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