Module: libav
Branch: master
Commit: 1f0c6075604c271d5627480f1243d22795f9a315

Author:    Luca Barbato <[email protected]>
Committer: Luca Barbato <[email protected]>
Date:      Thu Jun  6 14:21:19 2013 +0200

4xm: drop pointless assert

Make sure the value of wlog2 is always between 0 and 3.

---

 libavcodec/4xm.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c
index 4a293eb..1e70644 100644
--- a/libavcodec/4xm.c
+++ b/libavcodec/4xm.c
@@ -327,7 +327,7 @@ static inline void mcdc(uint16_t *dst, uint16_t *src, int 
log2w,
         }
         break;
     default:
-        assert(0);
+        break;
     }
 }
 
@@ -343,7 +343,7 @@ static int decode_p_block(FourXContext *f, uint16_t *dst, 
uint16_t *src,
     uint16_t *end   = start + stride * (f->avctx->height - h + 1) - (1 << 
log2w);
     int ret;
 
-    if (code < 0 || code > 6)
+    if (code < 0 || code > 6 || log2w < 0)
         return AVERROR_INVALIDDATA;
 
     if (code == 0) {

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