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      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 
     12 #include "vpx_config.h"
     13 #include "vpx_rtcd.h"
     14 #include "vp8/encoder/block.h"
     15 #include <math.h>
     16 #include "vpx_mem/vpx_mem.h"
     17 #include "vp8/encoder/quantize.h"
     18 #include "vp8/common/entropy.h"
     19 
     20 
     21 #if HAVE_NEON
     22 
     23 /* vp8_quantize_mbX functions here differs from corresponding ones in
     24  * quantize.c only by using quantize_b_pair function pointer instead of
     25  * the regular quantize_b function pointer */
     26 void vp8_quantize_mby_neon(MACROBLOCK *x)
     27 {
     28     int i;
     29     int has_2nd_order = (x->e_mbd.mode_info_context->mbmi.mode != B_PRED
     30         && x->e_mbd.mode_info_context->mbmi.mode != SPLITMV);
     31 
     32     for (i = 0; i < 16; i+=2)
     33         x->quantize_b_pair(&x->block[i], &x->block[i+1],
     34                            &x->e_mbd.block[i], &x->e_mbd.block[i+1]);
     35 
     36     if(has_2nd_order)
     37         x->quantize_b(&x->block[24], &x->e_mbd.block[24]);
     38 }
     39 
     40 void vp8_quantize_mb_neon(MACROBLOCK *x)
     41 {
     42     int i;
     43     int has_2nd_order=(x->e_mbd.mode_info_context->mbmi.mode != B_PRED
     44         && x->e_mbd.mode_info_context->mbmi.mode != SPLITMV);
     45 
     46     for (i = 0; i < 24; i+=2)
     47         x->quantize_b_pair(&x->block[i], &x->block[i+1],
     48                            &x->e_mbd.block[i], &x->e_mbd.block[i+1]);
     49 
     50     if (has_2nd_order)
     51         x->quantize_b(&x->block[24], &x->e_mbd.block[24]);
     52 }
     53 
     54 
     55 void vp8_quantize_mbuv_neon(MACROBLOCK *x)
     56 {
     57     int i;
     58 
     59     for (i = 16; i < 24; i+=2)
     60         x->quantize_b_pair(&x->block[i], &x->block[i+1],
     61                            &x->e_mbd.block[i], &x->e_mbd.block[i+1]);
     62 }
     63 
     64 #endif /* HAVE_NEON */
     65