From: Timothy B. Terriberry <tterribe@xiph.org>
Date: Mon, 11 Oct 2010 20:49:52 +0000 (-0700)
Subject: Move vp8_strict_quantize_b inside EXACT_QUANT #define.
X-Git-Tag: 1.0_branch~778^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=82c433988583e9c2a09ebf19bb9fa20c4de001ea;p=profile%2Fivi%2Flibvpx.git

Move vp8_strict_quantize_b inside EXACT_QUANT #define.

There is currently no inexact version of this function, so do not
 even compile it without EXACT_QUANT.
This will prevent someone from inadvertently trying to use it without
 the proper EXACT_QUANT setup.

Change-Id: Ia13491e0128afb281c05c9222ee5987101e4010d
---

diff --git a/vp8/encoder/quantize.c b/vp8/encoder/quantize.c
index d06b048..1a8c8eb 100644
--- a/vp8/encoder/quantize.c
+++ b/vp8/encoder/quantize.c
@@ -118,6 +118,65 @@ void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
 
     d->eob = eob + 1;
 }
+
+/* Perform regular quantization, with unbiased rounding and no zero bin. */
+void vp8_strict_quantize_b(BLOCK *b, BLOCKD *d)
+{
+    int i;
+    int rc;
+    int eob;
+    int x;
+    int y;
+    int z;
+    int sz;
+    short *coeff_ptr;
+    short *quant_ptr;
+    short *quant_shift_ptr;
+    short *qcoeff_ptr;
+    short *dqcoeff_ptr;
+    short *dequant_ptr;
+
+    coeff_ptr = &b->coeff[0];
+    quant_ptr = &b->quant[0][0];
+    quant_shift_ptr = &b->quant_shift[0][0];
+    qcoeff_ptr = d->qcoeff;
+    dqcoeff_ptr = d->dqcoeff;
+    dequant_ptr = &d->dequant[0][0];
+    eob = - 1;
+    vpx_memset(qcoeff_ptr, 0, 32);
+    vpx_memset(dqcoeff_ptr, 0, 32);
+    for (i = 0; i < 16; i++)
+    {
+        int dq;
+        int round;
+
+        /*TODO: These arrays should be stored in zig-zag order.*/
+        rc = vp8_default_zig_zag1d[i];
+        z = coeff_ptr[rc];
+        dq = dequant_ptr[rc];
+        round = dq >> 1;
+        /* Sign of z. */
+        sz = -(z < 0);
+        x = (z + sz) ^ sz;
+        x += round;
+        if (x >= dq)
+        {
+            /* Quantize x. */
+            y  = (((x * quant_ptr[rc]) >> 16) + x) >> quant_shift_ptr[rc];
+            /* Put the sign back. */
+            x = (y + sz) ^ sz;
+            /* Save the coefficient and its dequantized value. */
+            qcoeff_ptr[rc] = x;
+            dqcoeff_ptr[rc] = x * dq;
+            /* Remember the last non-zero coefficient. */
+            if (y)
+                eob = i;
+        }
+    }
+
+    d->eob = eob + 1;
+}
+
 #else
 void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
 {
@@ -207,64 +266,6 @@ void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
 
 #endif
 
-/* Perform regular quantization, with unbiased rounding and no zero bin. */
-void vp8_strict_quantize_b(BLOCK *b, BLOCKD *d)
-{
-    int i;
-    int rc;
-    int eob;
-    int x;
-    int y;
-    int z;
-    int sz;
-    short *coeff_ptr;
-    short *quant_ptr;
-    short *quant_shift_ptr;
-    short *qcoeff_ptr;
-    short *dqcoeff_ptr;
-    short *dequant_ptr;
-
-    coeff_ptr = &b->coeff[0];
-    quant_ptr = &b->quant[0][0];
-    quant_shift_ptr = &b->quant_shift[0][0];
-    qcoeff_ptr = d->qcoeff;
-    dqcoeff_ptr = d->dqcoeff;
-    dequant_ptr = &d->dequant[0][0];
-    eob = - 1;
-    vpx_memset(qcoeff_ptr, 0, 32);
-    vpx_memset(dqcoeff_ptr, 0, 32);
-    for (i = 0; i < 16; i++)
-    {
-        int dq;
-        int round;
-
-        /*TODO: These arrays should be stored in zig-zag order.*/
-        rc = vp8_default_zig_zag1d[i];
-        z = coeff_ptr[rc];
-        dq = dequant_ptr[rc];
-        round = dq >> 1;
-        /* Sign of z. */
-        sz = -(z < 0);
-        x = (z + sz) ^ sz;
-        x += round;
-        if (x >= dq)
-        {
-            /* Quantize x. */
-            y  = (((x * quant_ptr[rc]) >> 16) + x) >> quant_shift_ptr[rc];
-            /* Put the sign back. */
-            x = (y + sz) ^ sz;
-            /* Save the coefficient and its dequantized value. */
-            qcoeff_ptr[rc] = x;
-            dqcoeff_ptr[rc] = x * dq;
-            /* Remember the last non-zero coefficient. */
-            if (y)
-                eob = i;
-        }
-    }
-
-    d->eob = eob + 1;
-}
-
 void vp8_quantize_mby(MACROBLOCK *x)
 {
     int i;