From 8161f4374ca2723af6a0fad7a4bf137daede3d28 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sun, 13 Apr 2014 12:29:40 +0200
Subject: vf_vapoursynth: error out early if the file sub-option is not set

Instead of crashing by possibly passing a NULL pointer to VapourSynth.
---
 video/filter/vf_vapoursynth.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'video/filter')

diff --git a/video/filter/vf_vapoursynth.c b/video/filter/vf_vapoursynth.c
index 7b7530c4fe..58bc829c7f 100644
--- a/video/filter/vf_vapoursynth.c
+++ b/video/filter/vf_vapoursynth.c
@@ -443,6 +443,10 @@ static int vf_open(vf_instance_t *vf)
     vf->control = control;
     vf->uninit = uninit;
     p->buffered = talloc_array(vf, struct mp_image *, p->cfg_maxbuffer);
+    if (!p->cfg_file || !p->cfg_file[0]) {
+        MP_FATAL(vf, "'file' parameter must be set.\n");
+        goto error;
+    }
     if (!vsscript_init())
         goto error;
     p->vs_initialized = true;
-- 
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