66 lines
2.5 KiB
Python
66 lines
2.5 KiB
Python
import subprocess
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import re
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def get_current_volume():
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"""
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获取当前音量
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:return: 当前音量百分比（0 到 100）
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"""
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try:
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# 使用 amixer 命令获取音量信息
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print("运行 amixer 命令以获取音量信息...") # 先确保能看到此信息
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result = subprocess.run(
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["/usr/bin/amixer", "-D", "pulse", "get", "Master"],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True
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)
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print(f"amixer 命令返回的退出码: {result.returncode}")
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print(f"amixer 命令输出: {result.stdout}")
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print(f"amixer 错误输出: {result.stderr}")
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if result.returncode == 0:
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# 解析返回的音量信息
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output = result.stdout
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match = re.search(r"(\d+)%", output)
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if match:
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volume = int(match.group(1)) # 返回音量百分比
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print(f"当前音量: {volume}%")
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return volume
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else:
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print("没有找到音量信息")
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return None # 如果未找到音量信息
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else:
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print(f"amixer 执行失败，错误输出: {result.stderr}")
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return None
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except Exception as e:
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print(f"发生错误: {e}")
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return None
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def adjust_volume(adjust_volumn_result):
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"""
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调整音量（增加、减少或设置）
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:param adjust_volumn_result: 包含音量调整指令的字符串，格式可以是 '+10'、'-10' 或 '=50'
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"""
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try:
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print(f"收到的音量调整指令: {adjust_volumn_result}")
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if "+" in adjust_volumn_result:
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volume_change = int(re.search(r'\+(\d+)', adjust_volumn_result).group(1))
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print(f"增加音量: {volume_change}%")
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subprocess.run(["/usr/bin/amixer", "-D", "pulse", "sset", "Master", f"{volume_change}%+"])
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elif "-" in adjust_volumn_result:
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volume_change = int(re.search(r'-(\d+)', adjust_volumn_result).group(1))
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print(f"减少音量: {volume_change}%")
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subprocess.run(["/usr/bin/amixer", "-D", "pulse", "sset", "Master", f"{volume_change}%-"])
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elif "=" in adjust_volumn_result:
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volume_set = int(re.search(r'=(\d+)', adjust_volumn_result).group(1))
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print(f"设置音量为: {volume_set}%")
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subprocess.run(["/usr/bin/amixer", "-D", "pulse", "sset", "Master", f"{volume_set}%"])
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else:
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print("无效的音量指令！")
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except Exception as e:
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print(f"调整音量时出错: {e}")
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