[SCM] libav/experimental: Correctly handle empty frames

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 1ba3bae800d41f239109ae82dc06617962657f48
Author: Kostya Shishkov <kostya.shishkov at gmail.com>
Date:   Sun Mar 9 14:15:40 2008 +0000

    Correctly handle empty frames
    
    Originally committed as revision 12394 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/zmbv.c b/libavcodec/zmbv.c
index 1eb8ef0..fd2a120 100644
--- a/libavcodec/zmbv.c
+++ b/libavcodec/zmbv.c
@@ -504,6 +504,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
     } else {
         c->pic.key_frame = 0;
         c->pic.pict_type = FF_P_TYPE;
+        if(c->decomp_len)
         c->decode_xor(c);
     }
 

-- 
Libav/FFmpeg packaging