From 3f0f666d143c9785dc679a7e36a801e952305a57 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Wed, 30 Apr 2014 22:19:38 +0200
Subject: vf: print error if filtering a frame fails

The filters don't always print an error on their own, and printing an
error is better than silently dropping the frame.
---
 video/filter/vf.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'video')

diff --git a/video/filter/vf.c b/video/filter/vf.c
index 021a0e21ae..03afae6b13 100644
--- a/video/filter/vf.c
+++ b/video/filter/vf.c
@@ -367,7 +367,10 @@ static int vf_do_filter(struct vf_instance *vf, struct mp_image *img)
         vf_fix_img_params(img, &vf->fmt_in);
 
     if (vf->filter_ext) {
-        return vf->filter_ext(vf, img);
+        int r = vf->filter_ext(vf, img);
+        if (r < 0)
+            MP_ERR(vf, "Error filtering frame.\n");
+        return r;
     } else {
         if (img) {
             if (vf->filter)
-- 
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