[FFmpeg-cvslog] r18394 - trunk/libavcodec/snow.c

[michael]

Author: michael
Date: Thu Apr  9 21:45:10 2009
New Revision: 18394

Log:
Make sure spatial_decomposition_count is >0.

Modified:
   trunk/libavcodec/snow.c

Modified: trunk/libavcodec/snow.c
==============================================================================
--- trunk/libavcodec/snow.c	Thu Apr  9 20:47:50 2009	(r18393)
+++ trunk/libavcodec/snow.c	Thu Apr  9 21:45:10 2009	(r18394)
@@ -3582,7 +3582,7 @@ static int decode_header(SnowContext *s)
         s->always_reset= get_rac(&s->c, s->header_state);
         s->temporal_decomposition_type= get_symbol(&s->c, s->header_state, 0);
         s->temporal_decomposition_count= get_symbol(&s->c, s->header_state, 0);
-        GET_S(s->spatial_decomposition_count, tmp <= (unsigned)MAX_DECOMPOSITIONS)
+        GET_S(s->spatial_decomposition_count, 0 < tmp && tmp <= MAX_DECOMPOSITIONS)
         s->colorspace_type= get_symbol(&s->c, s->header_state, 0);
         s->chroma_h_shift= get_symbol(&s->c, s->header_state, 0);
         s->chroma_v_shift= get_symbol(&s->c, s->header_state, 0);
@@ -3615,7 +3615,7 @@ static int decode_header(SnowContext *s)
             memcpy(s->plane[2].hcoeff, s->plane[1].hcoeff, sizeof(s->plane[1].hcoeff));
         }
         if(get_rac(&s->c, s->header_state)){
-            GET_S(s->spatial_decomposition_count, tmp <= (unsigned)MAX_DECOMPOSITIONS)
+            GET_S(s->spatial_decomposition_count, 0 < tmp && tmp <= MAX_DECOMPOSITIONS)
             decode_qlogs(s);
         }
     }