forked from zbw/yiliao2026
45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
#!/usr/bin/env python3
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import subprocess, sys
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# ============================================
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# 修改下面这个数字即可调整音量，范围 0 ~ 100
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# ============================================
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VOLUME = 80 # 百分比
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SINK = "alsa_output.usb-C-Media_Electronics_Inc._USB_Audio_Device-00.analog-stereo"
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def run(cmd):
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subprocess.run(cmd, capture_output=True, text=True)
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def get_volume():
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r = subprocess.run(["pactl", "get-sink-volume", SINK],
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capture_output=True, text=True)
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for line in r.stdout.splitlines():
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if "front-left:" in line:
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print(f"当前音量: {line.strip()}")
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return
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print(r.stdout.strip())
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if len(sys.argv) > 1:
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try:
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v = int(sys.argv[1])
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if 0 <= v <= 100:
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VOLUME = v
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else:
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print("音量需在 0~100 之间")
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sys.exit(1)
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except ValueError:
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print(f"用法: python3 set_volume.py [0~100]")
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sys.exit(1)
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print(f"设置音量为 {VOLUME}% ...")
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run(["pactl", "set-sink-volume", SINK, f"{VOLUME}%"])
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# 有硬件 PCM 则同步设置
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r = subprocess.run(["amixer", "-c", "1", "set", "PCM", f"{VOLUME}%", "unmute"],
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capture_output=True, text=True)
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if r.returncode == 0:
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print("已同步硬件 PCM")
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get_volume()
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