mirror of
https://gist.github.com/404217398b4f35263b5af37c9f9d5800.git
synced 2025-06-18 16:35:33 -04:00
106 lines
3.7 KiB
Python
Executable File
106 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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This is free and unencumbered software released into the public domain.
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Anyone is free to copy, modify, publish, use, compile, sell, or
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distribute this software, either in source code form or as a compiled
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binary, for any purpose, commercial or non-commercial, and by any
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means.
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In jurisdictions that recognize copyright laws, the author or authors
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of this software dedicate any and all copyright interest in the
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software to the public domain. We make this dedication for the benefit
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of the public at large and to the detriment of our heirs and
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successors. We intend this dedication to be an overt act of
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relinquishment in perpetuity of all present and future rights to this
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software under copyright law.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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For more information, please refer to <http://unlicense.org/>
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"""
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import argparse
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import struct
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from collections import namedtuple
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from os import system, remove
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from os.path import join
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from sys import exit
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swavHeader = namedtuple("swavHeader",
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"magic byteOrder version fileSize headerSize numBlocks data dataSize waveType loopFlag samplingRate time loopOffset soundLen"
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)
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swavFormat = "<LHHLHHLLBBHHHL"
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def pkg2png(args):
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for input in args.inputs:
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print(input.name)
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type, fileCount = struct.unpack("<LL", input.read(8))
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if type == 0:
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print("Error! This is a graphics pkg")
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exit()
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elif type != 1:
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print(f"Error! This is not an audio pkg (type {type})")
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exit()
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# File names
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files = []
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for _ in range(fileCount):
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strLen = struct.unpack("B", input.read(1))[0]
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files.append(input.read(strLen).decode("utf-8"))
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# Sound data
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for output in files:
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# Music or Effects
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strLen = struct.unpack("B", input.read(1))[0]
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type = input.read(strLen).decode("utf-8")
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print(type)
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outputName = f"{type}.{output}.raw"
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print(outputName)
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_, size = struct.unpack("<LL", input.read(8))
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print(_) # always 1?
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# SWAV header
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header = swavHeader._make(struct.unpack(swavFormat, input.read(36)))
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outputPath = join(args.output, outputName) if args.output else outputName
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with open(outputPath, "wb") as f:
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f.write(input.read(header.dataSize - 0x14))
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if header.waveType == 0:
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format = "s8"
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codec = "pcm_s8"
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elif header.waveType == 1:
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format = "s16le"
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codec = "pcm_s16le"
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elif header.waveType == 2:
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format = "s16le"
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codec = "adpcm_ima_alp"
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else:
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print("Error: Invalid wave type")
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exit()
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system(f"ffmpeg -y -loglevel error -f {format} -acodec {codec} -ar {header.samplingRate} -i '{outputPath}' '{outputPath[:outputPath.rfind('.')]}.wav'")
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remove(outputPath)
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if __name__ == "__main__":
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pkg2pngarg = argparse.ArgumentParser(description="Converts a PKG file to SWAVs")
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pkg2pngarg.add_argument("inputs", metavar="in.pkg", nargs="*", type=argparse.FileType("rb"), help="input file(s)")
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pkg2pngarg.add_argument("--output", "-o", metavar="out", type=str, help="output directory")
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exit(pkg2png(pkg2pngarg.parse_args()))
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