sad

benchmarks/opencl/sad/sad.h

@@ -0,0 +1,83 @@
+/***************************************************************************
+ *cr
+ *cr            (C) Copyright 2007 The Board of Trustees of the
+ *cr                        University of Illinois
+ *cr                         All Rights Reserved
+ *cr
+ ***************************************************************************/
+
+/* Search offsets within 16 pixels of (0,0) */
+#define SEARCH_RANGE 16
+
+/* The total search area is 33 pixels square */
+#define SEARCH_DIMENSION (2*SEARCH_RANGE+1)
+
+/* The total number of search positions is 33^2 */
+#define MAX_POS 1089
+
+/* This is padded to a multiple of 8 when allocating memory */
+#define MAX_POS_PADDED 1096
+
+/* VBSME block indices in the SAD array for different 
+ * block sizes.  The index is computed from the
+ * image size in macroblocks.  Block sizes are (height, width):
+ *  1: 16 by 16 pixels, one block per macroblock
+ *  2: 8  by 16 pixels, 2  blocks per macroblock
+ *  3: 16 by 8  pixels, 2  blocks per macroblock
+ *  4: 8  by 8  pixels, 4  blocks per macroblock
+ *  5: 4  by 8  pixels, 8  blocks per macroblock
+ *  6: 8  by 4  pixels, 8  blocks per macroblock
+ *  7: 4  by 4  pixels, 16 blocks per macroblock
+ */
+#define SAD_TYPE_1_IX(image_size) 0
+#define SAD_TYPE_2_IX(image_size) ((image_size)*MAX_POS_PADDED)
+#define SAD_TYPE_3_IX(image_size) ((image_size)*(3*MAX_POS_PADDED))
+#define SAD_TYPE_4_IX(image_size) ((image_size)*(5*MAX_POS_PADDED))
+#define SAD_TYPE_5_IX(image_size) ((image_size)*(9*MAX_POS_PADDED))
+#define SAD_TYPE_6_IX(image_size) ((image_size)*(17*MAX_POS_PADDED))
+#define SAD_TYPE_7_IX(image_size) ((image_size)*(25*MAX_POS_PADDED))
+
+#define SAD_TYPE_IX(n, image_size) \
+  ((n == 1) ? SAD_TYPE_1_IX(image_size) : \
+   ((n == 2) ? SAD_TYPE_2_IX(image_size) : \
+    ((n == 3) ? SAD_TYPE_3_IX(image_size) : \
+     ((n == 4) ? SAD_TYPE_4_IX(image_size) : \
+      ((n == 5) ? SAD_TYPE_5_IX(image_size) : \
+       ((n == 6) ? SAD_TYPE_6_IX(image_size) : \
+        (SAD_TYPE_7_IX(image_size) \
+	 )))))))
+
+#define SAD_TYPE_1_CT 1
+#define SAD_TYPE_2_CT 2
+#define SAD_TYPE_3_CT 2
+#define SAD_TYPE_4_CT 4
+#define SAD_TYPE_5_CT 8
+#define SAD_TYPE_6_CT 8
+#define SAD_TYPE_7_CT 16
+
+#define SAD_TYPE_CT(n) \
+  ((n == 1) ? SAD_TYPE_1_CT : \
+   ((n == 2) ? SAD_TYPE_2_CT : \
+    ((n == 3) ? SAD_TYPE_3_CT : \
+     ((n == 4) ? SAD_TYPE_4_CT : \
+      ((n == 5) ? SAD_TYPE_5_CT : \
+       ((n == 6) ? SAD_TYPE_6_CT : \
+        (SAD_TYPE_7_CT \
+	 )))))))
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void sad4_cpu(unsigned short *blk_sad,
+	      unsigned short *frame,
+	      unsigned short *ref,
+	      int mb_width,
+	      int mb_height);
+
+void larger_sads(unsigned short *sads,
+		 int mbs);
+
+#ifdef __cplusplus
+}
+#endif