49 lines
1.6 KiB
C#
Executable File
49 lines
1.6 KiB
C#
Executable File
namespace OCES.Resonance.Core;
|
|
|
|
/// <summary>
|
|
/// 音频文件扫描器，负责递归扫描目录并识别音频文件
|
|
/// </summary>
|
|
public class AudioFileScanner
|
|
{
|
|
static readonly string[] SupportedExtensions =
|
|
[
|
|
".wav", ".mp3", ".flac", ".aiff", ".aif", ".m4a", ".ogg", ".wma", ".bwf", ".wav64",
|
|
];
|
|
|
|
/// <summary>
|
|
/// 扫描指定目录，返回所有音频文件路径
|
|
/// </summary>
|
|
/// <param name="directoryPath">要扫描的目录路径</param>
|
|
/// <param name="recursive">是否递归扫描子目录</param>
|
|
/// <returns>音频文件路径集合</returns>
|
|
public IEnumerable<string> ScanDirectory(string directoryPath, bool recursive = true)
|
|
{
|
|
if (!Directory.Exists(directoryPath))
|
|
{
|
|
throw new DirectoryNotFoundException($"目录不存在：{directoryPath}");
|
|
}
|
|
|
|
SearchOption searchOption = recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
|
|
|
|
return SupportedExtensions
|
|
.SelectMany(ext => Directory.EnumerateFiles(directoryPath, $"*{ext}", searchOption))
|
|
.Where(IsSupportedAudioFile);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 判断文件是否为支持的音频格式
|
|
/// </summary>
|
|
/// <param name="filePath">文件路径</param>
|
|
/// <returns>是否为支持的音频格式</returns>
|
|
public bool IsSupportedAudioFile(string filePath)
|
|
{
|
|
if (string.IsNullOrWhiteSpace(filePath))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
var extension = Path.GetExtension(filePath).ToLowerInvariant();
|
|
return SupportedExtensions.Contains(extension);
|
|
}
|
|
}
|