removed unused stuff - added dsputil_set_bit_exact() support for easier testing

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@551 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/dsputil.c

@@ -599,6 +599,7 @@ PIXOP2(put, op_put)
 #undef op_avg
 #undef op_put
 
+#if 0
 /* FIXME this stuff could be removed as its ot really used anymore */
 #define PIXOP(BTYPE, OPNAME, OP, INCR)                                                   \
                                                                                          \
@@ -699,7 +700,6 @@ void (*OPNAME ## _pixels_tab[4])(BTYPE *block, const UINT8 *pixels, int line_siz
     OPNAME ## _pixels_xy2,                                                               \
 };
 
-
 /* rounding primitives */
 #define avg2(a,b) ((a+b+1)>>1)
 #define avg4(a,b,c,d) ((a+b+c+d+2)>>2)
@@ -719,11 +719,11 @@ PIXOP(DCTELEM, sub, op_sub, 8)
 
 #undef avg2
 #undef avg4
+#endif
+
 #define avg2(a,b) ((a+b+1)>>1)
 #define avg4(a,b,c,d) ((a+b+c+d+2)>>2)
 
-/* end of removeale stuff */
-
 static void gmc1_c(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder)
 {
     const int A=(16-x16)*(16-y16);
@@ -1332,6 +1332,14 @@ void dsputil_init(void)
     build_zigzag_end();
 }
 
+/* remove any non bit exact operation (testing purpose) */
+void avcodec_set_bit_exact(void)
+{
+#ifdef HAVE_MMX
+    dsputil_set_bit_exact_mmx();
+#endif
+}
+
 void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
               int orig_linesize[3], int coded_linesize,
               AVCodecContext *avctx)

libavcodec/dsputil.h

@@ -61,13 +61,6 @@ extern op_pixels_func avg_no_rnd_pixels_tab[4];
 extern qpel_mc_func qpel_mc_rnd_tab[16];
 extern qpel_mc_func qpel_mc_no_rnd_tab[16];
 
-
-/* sub pixel (encoding) */
-extern void (*sub_pixels_tab[4])(DCTELEM *block, const UINT8 *pixels, int line_size, int h);
-
-#define sub_pixels_2(block, pixels, line_size, dxy) \
-   sub_pixels_tab[dxy](block, pixels, line_size, 8)
-
 /* motion estimation */
 
 typedef int (*op_pixels_abs_func)(UINT8 *blk1, UINT8 *blk2, int line_size);
@@ -119,6 +112,7 @@ static inline void emms(void)
 #define __align8 __attribute__ ((aligned (8)))
 
 void dsputil_init_mmx(void);
+void dsputil_set_bit_exact_mmx(void);
 
 #elif defined(ARCH_ARMV4L)