From 88a7a852102d613b4c66c1fe731f53bfaab32f3e Mon Sep 17 00:00:00 2001
From: Ivan Reinaldo <ivan.liyanto@bandlab.com>
Date: Wed, 23 Dec 2020 09:43:31 +0700
Subject: [PATCH] fix bug overlay not showing

---
 Library/Sources/SCAssetExportSession.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Library/Sources/SCAssetExportSession.m b/Library/Sources/SCAssetExportSession.m
index 1dd38f5a..014c6cbb 100644
--- a/Library/Sources/SCAssetExportSession.m
+++ b/Library/Sources/SCAssetExportSession.m
@@ -616,6 +616,8 @@ - (void)_setupVideoUsingTracks:(NSArray *)videoTracks {
             if (videoComposition != nil) {
                 _filter = nil;
             }
+        } else if (videoComposition == nil) {
+            videoComposition = [AVMutableVideoComposition videoCompositionWithPropertiesOfAsset:_inputAsset];
         }
 
         NSDictionary *settings = nil;