From 36af2035c8effc97ca50e9d118a60870d68683e7 Mon Sep 17 00:00:00 2001
From: Paul Wilkins <paulwilkins@google.com>
Date: Tue, 20 Mar 2012 14:20:36 +0000
Subject: [PATCH] Merge Exact Quant

Change-Id: Id2412a7f24a7c1016ec9fc3b9b0fbd16871f374a
---
 vp8/encoder/quantize.c | 66 ------------------------------------------
 1 file changed, 66 deletions(-)

diff --git a/vp8/encoder/quantize.c b/vp8/encoder/quantize.c
index c22fdab06..b50a42434 100644
--- a/vp8/encoder/quantize.c
+++ b/vp8/encoder/quantize.c
@@ -22,7 +22,6 @@
 extern int enc_debug;
 #endif
 
-#define EXACT_QUANT
 void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
 {
     int i, rc, eob;
@@ -58,9 +57,6 @@ void vp8_fast_quantize_b_c(BLOCK *b, BLOCKD *d)
     d->eob = eob + 1;
 }
 
-
-
-#ifdef EXACT_QUANT
 void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
 {
     int i, rc, eob;
@@ -173,64 +169,6 @@ void vp8_strict_quantize_b(BLOCK *b, BLOCKD *d)
     d->eob = eob + 1;
 }
 
-#else
-
-void vp8_regular_quantize_b(BLOCK *b, BLOCKD *d)
-{
-    int i, rc, eob;
-    int zbin;
-    int x, y, z, sz;
-    short *zbin_boost_ptr = b->zrun_zbin_boost;
-    short *coeff_ptr      = b->coeff;
-    short *zbin_ptr       = b->zbin;
-    short *round_ptr      = b->round;
-    short *quant_ptr      = b->quant;
-    short *qcoeff_ptr     = d->qcoeff;
-    short *dqcoeff_ptr    = d->dqcoeff;
-    short *dequant_ptr    = d->dequant;
-    short zbin_oq_value   = b->zbin_extra;
-
-    vpx_memset(qcoeff_ptr, 0, 32);
-    vpx_memset(dqcoeff_ptr, 0, 32);
-
-    eob = -1;
-
-    for (i = 0; i < 16; i++)
-    {
-        rc   = vp8_default_zig_zag1d[i];
-        z    = coeff_ptr[rc];
-
-        //if ( i == 0 )
-        //    zbin = zbin_ptr[rc] + *zbin_boost_ptr + zbin_oq_value/2;
-        //else
-        zbin = zbin_ptr[rc] + *zbin_boost_ptr + zbin_oq_value;
-
-        zbin_boost_ptr ++;
-        sz = (z >> 31);                                 // sign of z
-        x  = (z ^ sz) - sz;                             // x = abs(z)
-
-        if (x >= zbin)
-        {
-            y  = ((x + round_ptr[rc]) * quant_ptr[rc]) >> 16; // quantize (x)
-            x  = (y ^ sz) - sz;                         // get the sign back
-            qcoeff_ptr[rc]  = x;                         // write to destination
-            dqcoeff_ptr[rc] = x * dequant_ptr[rc];        // dequantized value
-
-            if (y)
-            {
-                eob = i;                                // last nonzero coeffs
-                zbin_boost_ptr = &b->zrun_zbin_boost[0];    // reset zero runlength
-            }
-        }
-    }
-
-    d->eob = eob + 1;
-}
-
-#endif
-//EXACT_QUANT
-
-
 void vp8_quantize_mby_c(MACROBLOCK *x)
 {
     int i;
@@ -668,8 +606,6 @@ void vp8_fast_quantize_b_pair_c(BLOCK *b1, BLOCK *b2, BLOCKD *d1, BLOCKD *d2)
 }
 
 
-#define EXACT_QUANT
-#ifdef EXACT_QUANT
 static void invert_quant(int improved_quant, short *quant,
                                unsigned char *shift, short d)
 {
@@ -767,8 +703,6 @@ void vp8cx_init_quantizer(VP8_COMP *cpi)
         }
     }
 }
-#endif
-
 
 void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
 {
-- 
2.40.0