65 lines
1.9 KiB
Python
65 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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import sys
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import os
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import time
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# find sound/samples/*custom* -name '*.aiff' | while read filename; do python3 tools/append_aiffc_table.py "$filename"; done
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# Get the filename from the first command line argument
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if len(sys.argv) < 2:
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print("Usage: {} <filename>".format(sys.argv[0]))
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sys.exit(1)
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filename = sys.argv[1]
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# check if the binary file contains the string 'VADPCMCODES', and if so print that it was already found and exit
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with open(filename, 'rb') as f:
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content = f.read()
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if b'VADPCMCODES' in content:
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print('Already contains a table for ' + filename + '. Exiting.')
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sys.exit(0)
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# run the program ./tools/tabledesign on the specified filename and capture the output
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import subprocess
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command = ['./tools/tabledesign', '-s', '1', filename]
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result = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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output = result.stdout.decode('utf-8').strip()
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# split the output by whitespace
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words = output.split()
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# calculate header info
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size = len(words) * 2 + 18
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unknown = 0x0b
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version = 1
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# append the chunk header
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chunk = b''
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chunk += b'APPL'
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chunk += size.to_bytes(4, 'big', signed=True)
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chunk += b'stoc'
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chunk += unknown.to_bytes(1, 'big', signed=False)
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chunk += b'VADPCMCODES'
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chunk += version.to_bytes(2, 'big', signed=False)
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# convert each word to a signed 16 bit integer and append them to content
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for word in words:
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value = int(word)
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chunk += value.to_bytes(2, 'big', signed=True)
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# find the index of the first instance of 'SSND'
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index = content.find(b'SSND')
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if index == -1:
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print("Couldn't find 'SSND' for ' + filename + '. Aborting.")
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sys.exit(1)
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if size != len(chunk) - 8:
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print('Failed to generate the correct size for ' + filename)
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sys,exit(1)
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# insert the chunk before 'SSND'
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content = content[:index] + chunk + content[index:]
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# write the modified content to the binary file
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with open(filename, 'wb') as f:
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f.write(content)
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