From 34480653548b7ddc9c92fdff52c100e3eeca7033 Mon Sep 17 00:00:00 2001
From: indigo-san <lugongdao07@gmail.com>
Date: Mon, 28 Aug 2023 20:42:36 +0900
Subject: [PATCH] =?UTF-8?q?=E6=8F=8F=E7=94=BB=E4=B8=AD=E3=81=AB=E4=BE=8B?=
 =?UTF-8?q?=E5=A4=96=E5=87=A6=E7=90=86=E3=82=92=E4=BF=AE=E6=AD=A3?=
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---
 src/Beutl.Engine/Rendering/Renderer.cs | 68 ++++++++++++++++----------
 1 file changed, 43 insertions(+), 25 deletions(-)

diff --git a/src/Beutl.Engine/Rendering/Renderer.cs b/src/Beutl.Engine/Rendering/Renderer.cs
index 19b539838..40d9d4dd8 100644
--- a/src/Beutl.Engine/Rendering/Renderer.cs
+++ b/src/Beutl.Engine/Rendering/Renderer.cs
@@ -80,16 +80,22 @@ public IRenderer.RenderResult RenderGraphics(TimeSpan timeSpan)
         RenderThread.Dispatcher.VerifyAccess();
         if (!IsGraphicsRendering)
         {
-            IsGraphicsRendering = true;
-            _instanceClock.CurrentTime = timeSpan;
-            RenderScene.Clear();
-            using (_fpsText.StartRender(_immediateCanvas))
+            try
             {
-                RenderGraphicsCore();
+                IsGraphicsRendering = true;
+                _instanceClock.CurrentTime = timeSpan;
+                RenderScene.Clear();
+                using (_fpsText.StartRender(_immediateCanvas))
+                {
+                    RenderGraphicsCore();
+                }
+
+                return new IRenderer.RenderResult(_immediateCanvas.GetBitmap());
+            }
+            finally
+            {
+                IsGraphicsRendering = false;
             }
-
-            IsGraphicsRendering = false;
-            return new IRenderer.RenderResult(_immediateCanvas.GetBitmap());
         }
         else
         {
@@ -111,12 +117,18 @@ public IRenderer.RenderResult RenderAudio(TimeSpan timeSpan)
     {
         if (!IsAudioRendering)
         {
-            IsAudioRendering = true;
-            _instanceClock.AudioStartTime = timeSpan;
-            RenderAudioCore();
+            try
+            {
+                IsAudioRendering = true;
+                _instanceClock.AudioStartTime = timeSpan;
+                RenderAudioCore();
 
-            IsAudioRendering = false;
-            return new IRenderer.RenderResult(Audio: _audio.GetPcm());
+                return new IRenderer.RenderResult(Audio: _audio.GetPcm());
+            }
+            finally
+            {
+                IsAudioRendering = false;
+            }
         }
         else
         {
@@ -129,20 +141,26 @@ public IRenderer.RenderResult Render(TimeSpan timeSpan)
         RenderThread.Dispatcher.VerifyAccess();
         if (!IsGraphicsRendering && !IsAudioRendering)
         {
-            IsGraphicsRendering = true;
-            IsAudioRendering = true;
-            _instanceClock.CurrentTime = timeSpan;
-            _instanceClock.AudioStartTime = timeSpan;
-            RenderScene.Clear();
-            using (_fpsText.StartRender(_immediateCanvas))
+            try
             {
-                RenderGraphicsCore();
-                RenderAudioCore();
+                IsGraphicsRendering = true;
+                IsAudioRendering = true;
+                _instanceClock.CurrentTime = timeSpan;
+                _instanceClock.AudioStartTime = timeSpan;
+                RenderScene.Clear();
+                using (_fpsText.StartRender(_immediateCanvas))
+                {
+                    RenderGraphicsCore();
+                    RenderAudioCore();
+                }
+
+                return new IRenderer.RenderResult(_immediateCanvas.GetBitmap(), _audio.GetPcm());
+            }
+            finally
+            {
+                IsGraphicsRendering = false;
+                IsAudioRendering = false;
             }
-
-            IsGraphicsRendering = false;
-            IsAudioRendering = false;
-            return new IRenderer.RenderResult(_immediateCanvas.GetBitmap(), _audio.GetPcm());
         }
         else
         {