From 8a645bfc31fa0c05d08e5b5a453c232c56711092 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Tue, 3 Jul 2012 11:44:46 +0200
Subject: [PATCH] avconv: propagate fatal errors from lavfi.

---
 avconv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/avconv.c b/avconv.c
index fad0626c91..9df5bb30fc 100644
--- a/avconv.c
+++ b/avconv.c
@@ -1556,8 +1556,10 @@ static int poll_filters(void)
             else
                 ret = av_buffersink_read(ost->filter->filter, &picref);
 
-            if (ret < 0)
+            if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
                 break;
+            else if (ret < 0)
+                return ret;
 
             avfilter_copy_buf_props(filtered_frame, picref);
             if (picref->pts != AV_NOPTS_VALUE) {