From 09c79d50d88eada370489dac520e127aa56cf841 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20B=C5=93sch?= <ubitux@gmail.com>
Date: Fri, 12 Oct 2012 18:23:46 +0200
Subject: [PATCH] lavf/swfdec: fix flushing with compressed swf.

We now only return in the middle of the refill in case of read error, so
inflate can be re-called if zlib needs an empty (z.avail_in=0) inflate
call for flushing.
---
 libavformat/swfdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c
index 86ea6dec9e..6136b54b05 100644
--- a/libavformat/swfdec.c
+++ b/libavformat/swfdec.c
@@ -72,7 +72,7 @@ static int zlib_refill(void *opaque, uint8_t *buf, int buf_size)
 retry:
     if (!z->avail_in) {
         int n = avio_read(s->pb, swf->zbuf_in, ZBUF_SIZE);
-        if (n <= 0)
+        if (n < 0)
             return n;
         z->next_in  = swf->zbuf_in;
         z->avail_in = n;