From ab3ff19f08b7a83e320c39ab066f289c242b8030 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Wed, 25 Feb 2015 15:07:18 +0100
Subject: [PATCH] lavfi/fade: Do not overread input buffer.

---
 libavfilter/vf_fade.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_fade.c b/libavfilter/vf_fade.c
index 80ce75dcda..a7597cdff0 100644
--- a/libavfilter/vf_fade.c
+++ b/libavfilter/vf_fade.c
@@ -138,7 +138,9 @@ static int config_props(AVFilterLink *inlink)
     s->hsub = pixdesc->log2_chroma_w;
     s->vsub = pixdesc->log2_chroma_h;
 
-    s->bpp = av_get_bits_per_pixel(pixdesc) >> 3;
+    s->bpp = pixdesc->flags & AV_PIX_FMT_FLAG_PLANAR ?
+             1 :
+             av_get_bits_per_pixel(pixdesc) >> 3;
     s->alpha &= !!(pixdesc->flags & AV_PIX_FMT_FLAG_ALPHA);
     s->is_packed_rgb = ff_fill_rgba_map(s->rgba_map, inlink->format) >= 0;