77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""爆音资产排查（R6）：扫描 6 游戏全部 .ogg。
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检测项：
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1. 峰值 > -1dBFS（有损编码过冲/归一不足）
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2. 首尾 5ms 内电平突变（无淡入淡出 → 爆豆声）。loop 类（bgm/ 与 sfx/amb_*）按
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首尾交叉淡化工艺制造，边界连续是特性，只做 DC/峰值检查，不报爆豆、不修。
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3. 直流偏置（|DC| > 0.001）
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输出 JSON 行到 stdout 供汇总；--fix 模式见 fix_clicks.py 逻辑（本文件只扫）。
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"""
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import os
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import sys
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import numpy as np
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import soundfile as sf
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ROOT = "/home/xsl/SoundGame/web"
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GAMES = ["storyline", "escape", "simon", "rhythm", "space", "rpg"]
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EDGE_MS = 5
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DC_THRESH = 0.001
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PEAK_THRESH = 10 ** (-1.0 / 20) # -1dBFS
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def is_loop(relpath):
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parts = relpath.split(os.sep)
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return "/bgm/" in "/" + relpath or os.path.basename(relpath).startswith("amb_")
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def scan(path):
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y, sr = sf.read(path, always_2d=True)
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mono = y.mean(axis=1)
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peak = float(np.max(np.abs(mono)))
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dc = float(np.mean(mono))
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n5 = max(1, int(sr * EDGE_MS / 1000))
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n1 = max(1, int(sr * 1 / 1000))
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n50 = max(1, int(sr * 50 / 1000))
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head = float(np.max(np.abs(mono[:n5])))
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tail = float(np.max(np.abs(mono[-n5:])))
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# 爆豆判定（突变而非渐变）：首/末 1ms 内的最大幅值 与 相邻 50ms 窗口峰值之比。
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# 正常淡入（8ms cos²）首 1ms 幅值 < 局部峰值 15%；硬边/步进则趋近 1。
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loc_h = float(np.max(np.abs(mono[:n50])))
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loc_t = float(np.max(np.abs(mono[-n50:])))
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FLOOR = 0.01 # 局部窗口低于 -40dB 视为静音区，不判爆豆（编解码底噪残余）
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step_head = loc_h > FLOOR and float(np.max(np.abs(mono[:n1]))) > 0.15 * loc_h
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step_tail = loc_t > FLOOR and float(np.max(np.abs(mono[-n1:]))) > 0.15 * loc_t
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return {
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"path": os.path.relpath(path, ROOT),
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"loop": is_loop(os.path.relpath(path, ROOT)),
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"peak_db": round(20 * np.log10(max(peak, 1e-9)), 2),
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"dc": round(dc, 5),
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"head5ms_db": round(20 * np.log10(max(head, 1e-9)), 2),
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"tail5ms_db": round(20 * np.log10(max(tail, 1e-9)), 2),
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"hot_peak": peak > PEAK_THRESH,
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"dc_bad": abs(dc) > DC_THRESH,
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"click_head": step_head,
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"click_tail": step_tail,
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}
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def main():
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results = []
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for g in GAMES:
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base = os.path.join(ROOT, g, "audio")
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for dirpath, _d, files in os.walk(base):
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for f in sorted(files):
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if f.endswith(".ogg"):
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results.append(scan(os.path.join(dirpath, f)))
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import json
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for r in results:
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print(json.dumps(r, ensure_ascii=False))
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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