mirror of
https://github.com/zhouhua/obsidian-white-noise.git
synced 2026-07-22 05:43:36 +00:00
88 lines
No EOL
2.6 KiB
Bash
88 lines
No EOL
2.6 KiB
Bash
#!/bin/bash
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# 音频批量转换脚本
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# 将sounds目录下所有MP3文件转换为比特率128k，采样率24000Hz的格式
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# 设置变量
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SOURCE_DIR="./sounds"
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TARGET_BITRATE="128k"
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TARGET_SAMPLERATE="24000"
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TEMP_DIR="./temp_audio"
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# 确保ffmpeg已安装
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if ! command -v ffmpeg &> /dev/null; then
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echo "错误: 未找到ffmpeg命令。请先安装ffmpeg。"
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echo "可以使用 'brew install ffmpeg' (Mac) 或 'apt-get install ffmpeg' (Linux) 安装。"
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exit 1
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fi
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# 创建临时目录
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mkdir -p "$TEMP_DIR"
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echo "开始转换音频文件..."
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echo "目标比特率: $TARGET_BITRATE"
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echo "目标采样率: $TARGET_SAMPLERATE Hz"
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# 统一处理文件路径
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cd $(dirname "$SOURCE_DIR")
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SOURCE_NAME=$(basename "$SOURCE_DIR")
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# 查找所有MP3文件并处理
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find "./$SOURCE_NAME" -type f -name "*.mp3" | while read -r file; do
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# 确保文件路径以 ./sounds 开头
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normalized_file=${file#/} # 移除可能的开头斜杠
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normalized_file=${normalized_file#./} # 移除可能的开头./
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normalized_file="./$normalized_file" # 添加./前缀
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# 获取相对路径
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rel_path="${normalized_file#./$SOURCE_NAME/}"
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# 创建目标文件的目录结构
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target_dir="$TEMP_DIR/$(dirname "$rel_path")"
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mkdir -p "$target_dir"
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# 设置输出文件路径
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output_file="$TEMP_DIR/$rel_path"
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echo "处理: $normalized_file"
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# 使用ffmpeg转换文件，确保文件路径用引号包围
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ffmpeg -i "$normalized_file" -b:a $TARGET_BITRATE -ar $TARGET_SAMPLERATE -q:a 5 -map_metadata -1 -joint_stereo 1 -af "highpass=f=40, lowpass=f=15000" "$output_file"
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if [ $? -eq 0 ]; then
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echo "✓ 成功转换: $rel_path"
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else
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echo "✗ 转换失败: $rel_path"
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fi
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done
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# 回到原来的目录
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cd - > /dev/null
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echo "所有文件转换完成。"
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echo "转换后的文件保存在临时目录: $TEMP_DIR"
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echo
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# 询问是否替换原文件
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read -p "是否用转换后的文件替换原文件？(y/n): " replace_answer
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if [[ "$replace_answer" =~ ^[Yy]$ ]]; then
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echo "正在替换原文件..."
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find "$TEMP_DIR" -type f -name "*.mp3" | while read -r file; do
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# 获取相对于临时目录的路径
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rel_path="${file#$TEMP_DIR/}"
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original_file="$SOURCE_DIR/$rel_path"
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# 替换原文件
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mv "$file" "$original_file"
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echo "已替换: $rel_path"
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done
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# 清理临时目录
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rm -rf "$TEMP_DIR"
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echo "原文件已替换完成！"
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else
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echo "转换后的文件保留在临时目录: $TEMP_DIR"
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echo "您可以手动将其移动到所需位置。"
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fi
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echo "音频转换过程已完成。" |