[FFmpeg-cvslog] avcodec/lagarith: fix init_get_bits() size in lag_decode_arith_plane()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Dec 29 23:38:20 2013 +0100| [e80aa47abf74b9dda336d3e156fb49402093ec44] | committer: Michael Niedermayer

avcodec/lagarith: fix init_get_bits() size in lag_decode_arith_plane()

untested due to lack of sample

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e80aa47abf74b9dda336d3e156fb49402093ec44
---

 libavcodec/lagarith.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/lagarith.c b/libavcodec/lagarith.c
index 71e7e99..710558c 100644
--- a/libavcodec/lagarith.c
+++ b/libavcodec/lagarith.c
@@ -443,7 +443,7 @@ static int lag_decode_arith_plane(LagarithContext *l, uint8_t *dst,
             offset += 4;
         }
 
-        init_get_bits(&gb, src + offset, src_size * 8);
+        init_get_bits(&gb, src + offset, (src_size - offset) * 8);
 
         if (lag_read_prob_header(&rac, &gb) < 0)
             return -1;