Simplify show_bits_long and copy the GetBitsContext around only once instead of twice.

Originally committed as revision 17736 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/bitstream.h b/libavcodec/bitstream.h
index e1ec934b28203a4fe0ca0b5254f01dafd9117a2c..0b336f747f80ef56b46e8f8a5d1900883fca85e6 100644 (file)
--- a/libavcodec/bitstream.h
+++ b/libavcodec/bitstream.h
@@ -713,9 +713,7 @@ static inline unsigned int show_bits_long(GetBitContext *s, int n){
     if(n<=17) return show_bits(s, n);
     else{
         GetBitContext gb= *s;
-        int ret= get_bits_long(s, n);
-        *s= gb;
-        return ret;
+        return get_bits_long(&gb, n);
     }
 }