edgevoid
78 lines
2.8 KiB
Python
78 lines
2.8 KiB
Python
#!/usr/bin/env python3
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"""看音频现场: sink 音量 / 声卡各 route 的音量 / 默认设备(排查"响度怪"用).
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用法: python3 看音频状态.py
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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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from typing import Any
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def dump() -> list[dict[str, Any]]:
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raw = subprocess.run(["pw-dump"], capture_output=True, text=True).stdout
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return json.loads(raw)
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def vol_of(prm: dict[str, Any]) -> str:
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"""把 Volume 参数压成一行."""
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cv = prm.get("channelVolumes") or prm.get("volume")
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if cv is None:
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return "-"
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if isinstance(cv, (int, float)):
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return f"{cv:.4f}"
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vals = [float(v) for v in cv]
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if not vals:
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return "-"
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return "/".join(f"{v:.4f}" for v in vals)
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def main() -> None:
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d = dump()
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print("=== Audio/Sink 节点 ===")
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for o in d:
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if o.get("type") != "PipeWire:Interface:Node":
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continue
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p = o.get("info", {}).get("props", {})
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if p.get("media.class") not in ("Audio/Sink", "Stream/Output/Audio"):
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continue
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prms = o.get("info", {}).get("params", {})
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vol = "-"
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for prm in prms.get("Props", []) or []:
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if "volume" in prm or "channelVolumes" in prm:
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vol = vol_of(prm)
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print(f" id={o['id']:<4} {p.get('media.class'):<20} {p.get('node.name','')}")
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print(f" desc={p.get('node.description','')} vol={vol} "
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f"state={o.get('info',{}).get('state','')}")
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print()
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print("=== 声卡(Device) 及其 route 音量 ===")
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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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name = p.get("device.name") or p.get("api.alsa.card.name") or ""
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if "usb" not in name.lower() and "edifier" not in name.lower():
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continue
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print(f" id={o['id']} {p.get('node.name','')} ({p.get('device.description','')})")
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prms = o.get("info", {}).get("params", {})
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print(f" 参数键: {sorted(prms.keys())}")
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for prm in prms.get("Profile", []) or []:
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print(f" 当前 profile: {prm.get('name','')} ({prm.get('description','')})")
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for prm in prms.get("Route", []) or []:
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rp = prm.get("props", {})
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print(f" route={rp.get('route.name',''):<28} "
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f"desc={rp.get('route.description',''):<20} "
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f"prio={rp.get('priority','')} vol={vol_of(prm)} "
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f"avail={prm.get('available','')}")
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for prm in prms.get("EnumRoute", []) or []:
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rp = prm.get("props", {})
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print(f" [enum] {rp.get('route.name',''):<28} "
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f"desc={rp.get('route.description','')} avail={prm.get('available','')}")
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if __name__ == "__main__":
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main()
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