diff --git a/internal/api/handlers.go b/internal/api/handlers.go
index dd9769d..885ac01 100644
--- a/internal/api/handlers.go
+++ b/internal/api/handlers.go
@@ -1417,6 +1417,16 @@ func (g *Gateway) UpdateMetadataStreamingInfo(fileHash string) error {
 	return nil
 }
 
+// RefreshAllMetadataStreamingInfo updates streaming info for all files in metadataStore
+func (g *Gateway) RefreshAllMetadataStreamingInfo() error {
+	for fileHash := range metadataStore {
+		if err := g.UpdateMetadataStreamingInfo(fileHash); err != nil {
+			log.Printf("Warning: Failed to update streaming info for %s: %v", fileHash, err)
+		}
+	}
+	return nil
+}
+
 func (g *Gateway) getMetadata(fileHash string) (*FileMetadata, error) {
 	// Get metadata from storage backend
 	dbMetadata, err := g.storage.GetFileMetadata(fileHash)
@@ -3175,6 +3185,14 @@ func RegisterRoutes(r *mux.Router, cfg *config.Config, storage *storage.Backend)
 	// Set up transcoding callback to update metadata store
 	if gateway.transcodingManager != nil {
 		gateway.transcodingManager.SetUpdateMetadataCallback(gateway.UpdateMetadataStreamingInfo)
+		
+		// Refresh existing files to add streaming info for already transcoded files
+		go func() {
+			log.Printf("DEBUG: Refreshing streaming info for existing files in metadataStore")
+			if err := gateway.RefreshAllMetadataStreamingInfo(); err != nil {
+				log.Printf("Warning: Failed to refresh metadata streaming info: %v", err)
+			}
+		}()
 	}
 	
 	// Initialize tracker if enabled