119 lines
3.8 KiB
Python
119 lines
3.8 KiB
Python
#!/usr/bin/env python3
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"""
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音频播放测试脚本
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用于测试树莓派的音频播放功能
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"""
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import subprocess
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import time
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import sys
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import os
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def test_audio_playback():
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"""测试音频播放功能"""
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print("=== 音频播放测试 ===")
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# 检查音频设备
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print("\n1. 检查音频设备...")
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try:
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result = subprocess.run(['aplay', '-l'], capture_output=True, text=True)
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if result.returncode == 0:
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print("音频设备列表:")
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print(result.stdout)
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else:
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print("错误: 无法获取音频设备列表")
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return False
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except FileNotFoundError:
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print("错误: aplay 命令未找到，请安装 alsa-utils")
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return False
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# 测试播放系统声音
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print("\n2. 测试播放系统提示音...")
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try:
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# 使用系统内置的测试声音
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result = subprocess.run(['speaker-test', '-t', 'sine', '-f', '440', '-l', '1'],
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capture_output=True, text=True, timeout=5)
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if result.returncode == 0:
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print("✓ 系统提示音播放成功")
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else:
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print("✗ 系统提示音播放失败")
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return False
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except (subprocess.TimeoutExpired, FileNotFoundError):
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print("提示: speaker-test 测试跳过，尝试直接播放音频文件")
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# 创建测试音频文件并播放
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print("\n3. 创建并播放测试音频文件...")
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test_audio_file = "/tmp/test_audio.wav"
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# 使用sox生成测试音频（如果可用）
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if os.path.exists("/usr/bin/sox"):
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try:
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subprocess.run(['sox', '-n', '-r', '44100', '-c', '2', test_audio_file,
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'synth', '3', 'sine', '440'], check=True)
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print("✓ 测试音频文件创建成功")
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except (subprocess.CalledProcessError, FileNotFoundError):
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print("无法创建测试音频文件，跳过文件播放测试")
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return True
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else:
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print("sox 未安装，跳过文件播放测试")
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return True
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# 播放测试音频文件
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try:
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result = subprocess.run(['aplay', test_audio_file], capture_output=True, text=True)
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if result.returncode == 0:
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print("✓ 音频文件播放成功")
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return True
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else:
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print("✗ 音频文件播放失败")
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print(f"错误信息: {result.stderr}")
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return False
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except FileNotFoundError:
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print("错误: aplay 命令未找到")
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return False
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finally:
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# 清理测试文件
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if os.path.exists(test_audio_file):
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os.remove(test_audio_file)
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def check_volume():
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"""检查并设置音量"""
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print("\n4. 检查音量设置...")
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try:
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result = subprocess.run(['amixer', 'sget', 'Master'], capture_output=True, text=True)
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if result.returncode == 0:
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print("当前音量设置:")
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print(result.stdout)
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# 设置音量到80%
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subprocess.run(['amixer', 'sset', 'Master', '80%'], check=True)
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print("✓ 音量已设置为80%")
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return True
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else:
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print("无法获取音量信息")
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return False
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except (subprocess.CalledProcessError, FileNotFoundError):
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print("amixer 命令未找到或执行失败")
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return False
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if __name__ == "__main__":
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print("树莓派音频播放功能测试")
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print("=" * 40)
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success = True
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# 检查音量
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if not check_volume():
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success = False
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# 测试音频播放
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if not test_audio_playback():
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success = False
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print("\n" + "=" * 40)
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if success:
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print("✓ 所有音频播放测试通过")
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sys.exit(0)
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else:
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print("✗ 部分音频播放测试失败")
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sys.exit(1) |