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* [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)
126 lines
3.4 KiB
Python
126 lines
3.4 KiB
Python
# SPDX-FileCopyrightText: © 2024 ZeldaRET
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# SPDX-License-Identifier: CC0-1.0
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#
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# Misc utilities
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#
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import struct, subprocess, sys
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def debugm(msg):
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"""
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Debug message on stderr
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"""
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print(msg, file=sys.stderr)
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def error(msg):
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"""
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Debug message + exit
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"""
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debugm(msg)
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sys.exit(1)
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def incbin(rom, offset, size):
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return rom[offset:offset+size]
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def f32(f):
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"""
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Reduces precision of f to a 32-bit float for correct intermediate calculations
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"""
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return struct.unpack("f", struct.pack("f", f))[0]
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def u32_to_f32(u):
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"""
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Convert IEEE-754 binary rep to float
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"""
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return struct.unpack(">f", struct.pack(">I", u))[0]
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def f32_to_u32(f):
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"""
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Convert float to IEEE-754 binary rep
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"""
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return struct.unpack(">I", struct.pack(">f", f))[0]
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def align(x, n):
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"""
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Align to next n (power of 2)
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"""
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return (x + (n - 1)) & ~(n - 1)
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def merge_ranges(intervals):
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if len(intervals) == 0:
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return []
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intervals = sorted(intervals, key=lambda x: x[0][0])
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stack = [intervals[0]]
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for i in range(1, len(intervals)):
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last_element = stack[len(stack) - 1]
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if last_element[1][0] >= intervals[i][0][0]:
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last_element[1] = max(intervals[i][1], last_element[1], key=lambda x: x[0])
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stack.pop(len(stack) - 1)
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stack.append(last_element)
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else:
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stack.append(intervals[i])
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return stack
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def merge_like_ranges(intervals):
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if len(intervals) == 0:
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return []
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intervals = sorted(intervals, key=lambda x: x[0][0])
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stack = [intervals[0]]
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for i in range(1, len(intervals)):
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last_element = stack[len(stack) - 1]
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if last_element[1][0] >= intervals[i][0][0] and last_element[1][1] == intervals[i][1][1]:
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last_element[1] = max(intervals[i][1], last_element[1], key=lambda x: x[0])
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stack.pop(len(stack) - 1)
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stack.append(last_element)
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else:
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stack.append(intervals[i])
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return stack
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def list_is_in_order(l):
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return all(l[i] <= l[i + 1] for i in range(len(l) - 1))
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def program_call(cmd):
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subprocess.check_call(cmd, shell=True)
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def program_get(cmd):
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return subprocess.check_output(cmd, shell=True).decode("ascii")
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class XMLWriter:
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"""
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Simple XML builder for writing with desired formatting characteristics (no tabs, 4 space indent)
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"""
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def __init__(self):
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self.contents = ""
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self.tag_stack = []
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def __str__(self):
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return self.contents
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def write_line(self, name, open, close, attributes):
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indent = " " * len(self.tag_stack)
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if attributes is None:
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self.contents += f"{indent}{open}{name}{close}\n"
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else:
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attributes_str = " ".join(f"{k}=\"{v}\"" for k,v in attributes.items())
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self.contents += f"{indent}{open}{name} {attributes_str}{close}\n"
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def write_comment(self, comment):
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self.write_line(comment, "<!-- ", " -->", None)
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def write_start_tag(self, name, attributes=None):
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self.write_line(name, "<", ">", attributes)
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self.tag_stack.append(name)
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def write_end_tag(self):
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self.write_line(self.tag_stack.pop(), "</", ">", None)
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def write_element(self, name, attributes=None):
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self.write_line(name, "<", "/>", attributes)
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def write_raw(self, contents):
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self.write_line(contents, "", "", None)
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