Use TV guide for livestreams

Jellyfin.Plugin.SRFPlay/Providers/SRFImageProvider.cs

@@ -5,6 +5,7 @@ using System.Net.Http.Headers;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
+using Jellyfin.Plugin.SRFPlay.Utilities;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Providers;
@@ -186,7 +187,7 @@ public class SRFImageProvider : IRemoteImageProvider, IHasOrder
             if (needsContentTypeFix)
             {
                 // Determine correct content type from URL extension or default to JPEG
-                var contentType = GetContentTypeFromUrl(url);
+                var contentType = MimeTypeHelper.GetImageContentType(url);
                 if (!string.IsNullOrEmpty(contentType))
                 {
                     _logger.LogInformation(
@@ -201,42 +202,4 @@ public class SRFImageProvider : IRemoteImageProvider, IHasOrder
 
         return response;
     }
-
-    /// <summary>
-    /// Determines the correct content type based on URL file extension.
-    /// </summary>
-    private static string? GetContentTypeFromUrl(string url)
-    {
-        if (string.IsNullOrEmpty(url))
-        {
-            return null;
-        }
-
-        // Get the file extension from the URL (ignore query string)
-        var uri = new Uri(url);
-        var path = uri.AbsolutePath.ToLowerInvariant();
-
-        if (path.EndsWith(".jpg", StringComparison.Ordinal) || path.EndsWith(".jpeg", StringComparison.Ordinal))
-        {
-            return "image/jpeg";
-        }
-
-        if (path.EndsWith(".png", StringComparison.Ordinal))
-        {
-            return "image/png";
-        }
-
-        if (path.EndsWith(".gif", StringComparison.Ordinal))
-        {
-            return "image/gif";
-        }
-
-        if (path.EndsWith(".webp", StringComparison.Ordinal))
-        {
-            return "image/webp";
-        }
-
-        // Default to JPEG for SRF images (most common)
-        return "image/jpeg";
-    }
 }