From b64ad64524e54a04941101a90b14d7c8a9259011 Mon Sep 17 00:00:00 2001
From: Acaki <github-20201224@wdy.one>
Date: Sun, 24 Aug 2025 16:52:37 +0800
Subject: [PATCH] fix: error handling of nil decompressionSession

---
 VoidLink/Stream/VideoDecoderRenderer.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/VoidLink/Stream/VideoDecoderRenderer.m b/VoidLink/Stream/VideoDecoderRenderer.m
index ce0238c8..fb08abac 100644
--- a/VoidLink/Stream/VideoDecoderRenderer.m
+++ b/VoidLink/Stream/VideoDecoderRenderer.m
@@ -847,6 +847,10 @@ int DrSubmitDecodeUnit(PDECODE_UNIT decodeUnit);
     [self setupDecompressionSession];
   }
 
+  if (_decompressionSession == nil) {
+    return kVTInvalidSessionErr;
+  }
+
   OSStatus status = VTDecompressionSessionDecodeFrameWithOutputHandler(
       _decompressionSession,
       sampleBuffer,