lavfi: add error handling to end_frame().

1 files changed, 6 insertions, 3 deletions

diff --git a/libavfilter/vf_frei0r.c b/libavfilter/vf_frei0r.c
index 21221e1ed8..4721779348 100644
--- a/libavfilter/vf_frei0r.c
+++ b/libavfilter/vf_frei0r.c
@@ -345,18 +345,21 @@ static int null_draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
     return 0;
 }
 
-static void end_frame(AVFilterLink *inlink)
+static int end_frame(AVFilterLink *inlink)
 {
     Frei0rContext *frei0r = inlink->dst->priv;
     AVFilterLink *outlink = inlink->dst->outputs[0];
     AVFilterBufferRef  *inpicref =  inlink->cur_buf;
     AVFilterBufferRef *outpicref = outlink->out_buf;
+    int ret;
 
     frei0r->update(frei0r->instance, inpicref->pts * av_q2d(inlink->time_base) * 1000,
                    (const uint32_t *)inpicref->data[0],
                    (uint32_t *)outpicref->data[0]);
-    ff_draw_slice(outlink, 0, outlink->h, 1);
-    ff_end_frame(outlink);
+    if ((ret = ff_draw_slice(outlink, 0, outlink->h, 1)) ||
+        (ret = ff_end_frame(outlink)) < 0)
+        return ret;
+    return 0;
 }
 
 AVFilter avfilter_vf_frei0r = {