[FFmpeg-cvslog] lavfi/fade: Do not overread input buffer.

[Carl Eugen Hoyos]

ffmpeg | branch: release/2.0 | Carl Eugen Hoyos <cehoyos at ag.or.at> | Wed Feb 25 15:07:18 2015 +0100| [ac81fbba74155a595281d7401e79b95ed1d767aa] | committer: Carl Eugen Hoyos

lavfi/fade: Do not overread input buffer.
(cherry picked from commit ab3ff19f08b7a83e320c39ab066f289c242b8030)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ac81fbba74155a595281d7401e79b95ed1d767aa
---

 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 6c9b225..54b2d89 100644
--- a/libavfilter/vf_fade.c
+++ b/libavfilter/vf_fade.c
@@ -126,7 +126,9 @@ 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;