93 lines
3.8 KiB
Python
93 lines
3.8 KiB
Python
import subprocess
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import re
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import sys
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# 原代码4. 音频控制项自动检测与音量控制完整逻辑
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def detect_audio_control():
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"""自动检测可用的音频播放控制项"""
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try:
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result = subprocess.run(["amixer", "controls"], capture_output=True, text=True)
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playback_controls = []
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# 优先查找常见的音频控制项
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priority_names = ["Master", "Speaker", "Headphone", "Audio", "Sound"]
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for name in priority_names:
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if name in result.stdout:
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print(f"✅ 自动检测到音频控制项：{name}")
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return name
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# 如果没有找到优先项，从所有控制项中提取
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for line in result.stdout.splitlines():
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if "Playback" in line:
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match = re.search(r"'([^']+)'", line)
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if match:
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playback_controls.append(match.group(1))
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if playback_controls:
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print(f"✅ 找到音频控制项：{playback_controls[0]}")
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return playback_controls[0]
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else:
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print("⚠️ 未检测到音频控制项，将尝试不指定控制项调节音量")
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return None
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except Exception as e:
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print(f"❌ 音频控制检测失败：{str(e)}")
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return None
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class VolumeController:
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def __init__(self, audio_control_name, current_volume, volume_step, min_volume, max_volume):
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# 接收调度脚本传入的全局参数，保持原逻辑
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self.available = True
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self.AUDIO_CONTROL_NAME = audio_control_name
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self.CURRENT_VOLUME = current_volume
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self.VOLUME_STEP = volume_step
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self.MIN_VOLUME = min_volume
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self.MAX_VOLUME = max_volume
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try:
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# 强制取消静音并设置初始音量
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self.set_system_volume(self.CURRENT_VOLUME)
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current_volume = self.get_system_volume()
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if current_volume is not None:
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self.CURRENT_VOLUME = current_volume
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print(f"🔊 音量控制初始化成功（当前音量：{self.CURRENT_VOLUME}%）")
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else:
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print(f"⚠️ 无法获取当前音量，但已尝试设置为{self.CURRENT_VOLUME}%")
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except Exception as e:
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self.available = False
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print(f"❌ 音量控制失败：{str(e)}")
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def get_system_volume(self):
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try:
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# 根据检测到的控制项获取音量
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cmd = ["amixer", "get"]
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if self.AUDIO_CONTROL_NAME:
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cmd.append(self.AUDIO_CONTROL_NAME)
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result = subprocess.run(cmd, capture_output=True, text=True)
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volume_match = re.search(r"(\d+)%", result.stdout)
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return int(volume_match.group(1)) if volume_match else None
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except Exception as e:
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print(f"❌ 获取音量失败：{str(e)}")
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return None
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def set_system_volume(self, target_volume: int):
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target_volume = max(self.MIN_VOLUME, min(self.MAX_VOLUME, target_volume))
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try:
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# 根据检测到的控制项设置音量
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cmd = ["amixer", "set"]
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if self.AUDIO_CONTROL_NAME:
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cmd.append(self.AUDIO_CONTROL_NAME)
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cmd.extend([f"{target_volume}%", "unmute"]) # 强制取消静音
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subprocess.run(cmd, capture_output=True)
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self.CURRENT_VOLUME = target_volume
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print(f"🔊 音量已调整至：{self.CURRENT_VOLUME}%")
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return True
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except Exception as e:
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print(f"❌ 调整音量失败：{str(e)}")
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return False
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def adjust_volume(self, is_increase: bool):
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target_volume = self.CURRENT_VOLUME + self.VOLUME_STEP if is_increase else self.CURRENT_VOLUME - self.VOLUME_STEP
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return self.set_system_volume(target_volume) |