46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
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#!/usr/bin/env python3
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"""打印指定声卡的 profile/route 原始参数(排查"数字/模拟输出"响度差).
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用法: python3 看声卡route.py [设备名关键字]
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"""
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from __future__ import annotations
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import json
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import subprocess
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import sys
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from typing import Any
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def main() -> None:
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key = (sys.argv[1] if len(sys.argv) > 1 else "edifier").lower()
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d = json.loads(subprocess.run(["pw-dump"], capture_output=True, text=True).stdout)
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for o in d:
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if o.get("type") != "PipeWire:Interface:Device":
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continue
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p = o.get("info", {}).get("props", {})
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blob = json.dumps(p, ensure_ascii=False).lower()
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if key not in blob:
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continue
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print(f"### 设备 id={o['id']} {p.get('device.description','')}")
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print(f" node.name = {p.get('node.name','')}")
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print(f" api.alsa.card = {p.get('api.alsa.card.name','')}")
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prms = o.get("info", {}).get("params", {})
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for section in ("Profile", "EnumProfile", "Route", "EnumRoute"):
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items = prms.get(section) or []
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if not items:
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continue
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print(f"\n[{section}] ({len(items)} 项)")
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for it in items:
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keep: dict[str, Any] = {}
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for k, v in it.items():
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if k in ("props", "profiles", "devices", "volume", "channelVolumes",
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"index", "device", "save", "available", "availability",
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"priority", "name", "description"):
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keep[k] = v
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print(" " + json.dumps(keep, ensure_ascii=False)[:400])
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if __name__ == "__main__":
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main()
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