dv: Mark internal frame reference as const

[ffmpeg] / libavcodec / faanidct.c

diff --git a/libavcodec/faanidct.c b/libavcodec/faanidct.c
index 5cacfdd2a31b61acb23b8c654d0e4c735bdedd32..2e9ce9ce1e2492749c5ec312a606f9e5f2c09531 100644 (file)
--- a/libavcodec/faanidct.c
+++ b/libavcodec/faanidct.c
@@ -49,7 +49,6 @@ B7*B0/8, B7*B1/8, B7*B2/8, B7*B3/8, B7*B4/8, B7*B5/8, B7*B6/8, B7*B7/8,
 
 static inline void p8idct(int16_t data[64], FLOAT temp[64], uint8_t *dest, int stride, int x, int y, int type){
     int i;
-    FLOAT av_unused tmp0;
     FLOAT s04, d04, s17, d17, s26, d26, s53, d53;
     FLOAT os07, os16, os25, os34;
     FLOAT od07, od16, od25, od34;
@@ -64,9 +63,12 @@ static inline void p8idct(int16_t data[64], FLOAT temp[64], uint8_t *dest, int s
         od25= (s17 - s53)*(2*A4);
 
 #if 0 //these 2 are equivalent
-        tmp0= (d17 + d53)*(2*A2);
-        od34=  d17*( 2*B6) - tmp0;
-        od16=  d53*(-2*B2) + tmp0;
+        {
+            FLOAT tmp0;
+            tmp0 = (d17 + d53) *  (2 * A2);
+            od34 =  d17        *  (2 * B6) - tmp0;
+            od16 =  d53        * (-2 * B2) + tmp0;
+        }
 #else
         od34=  d17*(2*(B6-A2)) - d53*(2*A2);
         od16=  d53*(2*(A2-B2)) + d17*(2*A2);