[FFmpeg-cvslog] tscc2: Fix an out of array access

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Oct 12 02:26:50 2012 +0200| [c80b59f679a0ac861bc30f6b5469032884e42ab6] | committer: Martin Storsjö

tscc2: Fix an out of array access

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c80b59f679a0ac861bc30f6b5469032884e42ab6
---

 libavcodec/tscc2.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/tscc2.c b/libavcodec/tscc2.c
index 1b2a3a4..3628713 100644
--- a/libavcodec/tscc2.c
+++ b/libavcodec/tscc2.c
@@ -173,7 +173,7 @@ static int tscc2_decode_mb(TSCC2Context *c, int *q, int vlc_set,
                 if (ac == 0x1000)
                     ac = get_bits(gb, 12);
                 bpos += ac & 0xF;
-                if (bpos >= 64)
+                if (bpos >= 16)
                     return AVERROR_INVALIDDATA;
                 val = sign_extend(ac >> 4, 8);
                 c->block[tscc2_zigzag[bpos++]] = val;