From 896456a8acb7c6edb59be68976affea5669d0d5e Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sun, 11 Feb 2024 00:15:32 -0600
Subject: [PATCH] Wait for command buffer completion before returning from
 renderFrame()

---
 app/streaming/video/ffmpeg-renderers/vt.mm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/streaming/video/ffmpeg-renderers/vt.mm b/app/streaming/video/ffmpeg-renderers/vt.mm
index f46ae3ea..7a2f32fe 100644
--- a/app/streaming/video/ffmpeg-renderers/vt.mm
+++ b/app/streaming/video/ffmpeg-renderers/vt.mm
@@ -523,6 +523,9 @@ public:
         [commandBuffer presentDrawable:m_NextDrawable];
         [commandBuffer commit];
 
+        // Wait for the command buffer to complete and free our CVMetalTextureCache references
+        [commandBuffer waitUntilCompleted];
+
         [m_NextDrawable release];
         m_NextDrawable = nullptr;
     }}