From 4d475f7eb3969a378f1c2722118c57b62d2ac461 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Tue, 20 Dec 2011 13:17:03 +0100
Subject: [PATCH] lavd/lavfi: add check in case pix_fmts cannot be allocated in
 lavfi_read_header()

---
 libavdevice/lavfi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavdevice/lavfi.c b/libavdevice/lavfi.c
index 6b72187d0c..ed37f23267 100644
--- a/libavdevice/lavfi.c
+++ b/libavdevice/lavfi.c
@@ -88,6 +88,9 @@ av_cold static int lavfi_read_header(AVFormatContext *avctx,
 
 #define FAIL(ERR) { ret = ERR; goto end; }
 
+    if (!pix_fmts)
+        FAIL(AVERROR(ENOMEM));
+
     avfilter_register_all();
 
     buffersink = avfilter_get_by_name("buffersink");