From d2a10fb02e92234138332b930ccc870f447c1655 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Thu, 3 Oct 2019 00:31:20 +0200
Subject: vf_vapoursynth: do not call vsscript_finalize() if init failed

If vsscript_finalize() is not matched by a successful vsscript_init(),
an assert in the vsscript library triggers. Makes sense, I guess.
---
 video/filter/vf_vapoursynth.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'video')

diff --git a/video/filter/vf_vapoursynth.c b/video/filter/vf_vapoursynth.c
index b5be48ce1f..9edcf36792 100644
--- a/video/filter/vf_vapoursynth.c
+++ b/video/filter/vf_vapoursynth.c
@@ -62,6 +62,7 @@ struct priv {
 
     const struct script_driver *drv;
     // drv_vss
+    bool vs_initialized;
     struct VSScript *se;
 
     struct mp_filter *f;
@@ -814,12 +815,15 @@ static int drv_vss_init(struct priv *p)
         MP_FATAL(p, "Could not initialize VapourSynth scripting.\n");
         return -1;
     }
+    p->vs_initialized = true;
     return 0;
 }
 
 static void drv_vss_uninit(struct priv *p)
 {
-    vsscript_finalize();
+    if (p->vs_initialized)
+        vsscript_finalize();
+    p->vs_initialized = false;
 }
 
 static int drv_vss_load_core(struct priv *p)
-- 
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