Change some band size calculations in Bink decoder to use width in blocks

instead of real width, this fixes decoding of some Bink files with odd width.

Originally committed as revision 26364 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/bink.c

@@ -119,7 +119,7 @@ static void init_lengths(BinkContext *c, int width, int bw)
 
     c->bundle[BINK_SRC_SUB_BLOCK_TYPES].len = av_log2((width >> 4) + 511) + 1;
 
-    c->bundle[BINK_SRC_COLORS].len = av_log2((width >> 3)*64 + 511) + 1;
+    c->bundle[BINK_SRC_COLORS].len = av_log2(bw*64 + 511) + 1;
 
     c->bundle[BINK_SRC_INTRA_DC].len =
     c->bundle[BINK_SRC_INTER_DC].len =
@@ -128,7 +128,7 @@ static void init_lengths(BinkContext *c, int width, int bw)
 
     c->bundle[BINK_SRC_PATTERN].len = av_log2((bw << 3) + 511) + 1;
 
-    c->bundle[BINK_SRC_RUN].len = av_log2((width >> 3)*48 + 511) + 1;
+    c->bundle[BINK_SRC_RUN].len = av_log2(bw*48 + 511) + 1;
 }
 
 /**