Created
January 2, 2019 04:07
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#-*- coding: utf-8 -*- | |
#!/usr/bin/env python3 | |
""" | |
Pursuit Force: Extreme Justice (PSP) | |
VDB/VIB extractor | |
VAG без заголовка | |
В MFAudio аудиофайлы можно задать как: | |
'RAW - Raw Sound Data - Compressed ADPCM' | |
""" | |
import os | |
import sys | |
from struct import * | |
if len(sys.argv) > 1: | |
filename = sys.argv[1][:-4] | |
else: | |
sys.exit(1) | |
filename_vib = filename + ".vib" | |
filename_vdb = filename + ".vdb" | |
path_extract = filename + "_files" | |
with open(filename_vib, "rb") as f: | |
vib = f.read() | |
with open(filename_vdb, "rb") as f: | |
vdb = f.read() | |
if not os.path.exists(path_extract): | |
os.makedirs(path_extract) | |
add_vag_header = True | |
mfaudio = False | |
if os.path.exists("MFAudio.exe"): | |
mfaudio = True | |
""" | |
Структура VIB-файла | |
# Заголовок (20 байт) | |
0x00: 4 байта - VIB и \0 | |
0x04: 4 - ? значение 01 00 00 00 | |
0x08: 4 - ? значение 01 00 00 00 | |
0x0C: 4 - количество VAG-файлов | |
0x10: 4 - количество Категорий после VAG-файлов | |
# Для каждого VAG-файла (50 байт) | |
32 - название файла с путём | |
4 - смещение относительно файла | |
4 - размер | |
4 - частота дискретизации | |
4 - ? | |
4 - индекс Категории от 0 | |
# Для каждой Категории (40 байт) | |
32 - название Категории | |
4 - количество VAG-файлов в Категории | |
4 - ? | |
""" | |
files_offset = 20 | |
files_count = unpack('<I', vib[0xC:0xC+4])[0] | |
print("Number of files:", files_count) | |
print("Format: [name, offset, size, frequency, ?, index of category]") | |
for i in range(files_count): | |
file_info = vib[files_offset+i*52:files_offset+(i+1)*52] | |
file_info = list(unpack('<32sIIIII', file_info)) | |
file_info[0] = file_info[0].rstrip(b"\x00").decode("utf-8") | |
file_info[0] = file_info[0].replace("\\", "_") | |
filename_vag = "{:04}{}".format(i, file_info[0]) | |
path = os.path.join(path_extract, filename_vag) | |
# Простой НЕправильный VAG-заголовок, нужен только для распознания | |
# задаёт частоту, размер (файл + 80) и моно | |
vag_header = b"VAGp" + pack('>IIII', 3, 0, file_info[2] + 80, file_info[3]) + b"\0" * (64-20) | |
with open(path, "wb") as f: | |
if add_vag_header: | |
f.write(vag_header) | |
f.write(vdb[file_info[1]:file_info[1]+file_info[2]]) | |
if mfaudio: | |
os.system("MFAudio.exe /IF{0:05} /IC1 /OF{0:05} /OC1 /OTWAVU \"{1}\" \"{1}.wav\"".format(file_info[3], path)) | |
print(file_info) | |
cat_offset = 20 + files_count * 52 | |
cat_count = unpack('<I', vib[0x10:0x10+4])[0] | |
print("Number of categories:", cat_count) | |
print("Format: [name, number of vag, ?]") | |
for i in range(cat_count): | |
file_info = vib[cat_offset+i*40:cat_offset+(i+1)*40] | |
file_info = list(unpack('<32sII', file_info)) | |
file_info[0] = file_info[0].rstrip(b"\x00").decode("utf-8") | |
print(file_info) |
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