LoopMarkerScanner.cs

using UnityEngine;
using UnityEditor;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;

public class LoopMarkerScanner : EditorWindow
{
    [MenuItem("Assets/Get Loop Markers", false, 1)]
    private static void GetSelectedAudioMarkers()
    {
        Object[] selectedObjects = Selection.GetFiltered(typeof(AudioClip), SelectionMode.DeepAssets);
        
        if (selectedObjects.Length == 0) return;

        foreach (AudioClip clip in selectedObjects)
        {
            string path = AssetDatabase.GetAssetPath(clip);
            string fullPath = Path.GetFullPath(path);
            
            // Binary Read to find hidden markers
            byte[] fileBytes = File.ReadAllBytes(fullPath);
            string content = Encoding.Default.GetString(fileBytes);
            
            string loopStart = FindValue(content, "LOOPSTART");
            string loopEnd = FindValue(content, "LOOPEND");

            Debug.Log($"<color=cyan><b>[LoopScanner]</b></color> Track: <b>{clip.name}</b>\n" +
                      $"<color=lime>LOOPSTART: {loopStart}</color> | <color=orange>LOOPEND: {loopEnd}</color>");
        }
    }

    private static string FindValue(string text, string key)
    {
        // Search for the key and extract the digits immediately following it
        Match match = Regex.Match(text, key + @"\D*(\d+)");
        return match.Success ? match.Groups[1].Value : "Not Found";
    }
}