From ac9b056ddbefecf3e68e89af45d9c8e5172a5ff8 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Fri, 22 Mar 2013 01:03:07 +0100
Subject: [PATCH] Do not fail in get_buffer_internal() if pix_fmt planes == 0.

Fixes VDPAU decoding, reported by Ilja Sekler
---
 libavcodec/utils.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index c15b7726cb..70c6129f75 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -758,6 +758,8 @@ do {                                                                    \
             const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
 
             planes = av_pix_fmt_count_planes(frame->format);
+            if (!planes)
+                planes = 1;
             if (!desc || planes <= 0) {
                 ret = AVERROR(EINVAL);
                 goto fail;