The Tor Browser: media/libvpx/vp8/encoder/arm/quantize

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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  */

    12 #include "vpx_config.h"

    13 #include "vp8_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"

    21 #if HAVE_NEON

    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);

    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]);

    36     if(has_2nd_order)

    37         x->quantize_b(&x->block[24], &x->e_mbd.block[24]);

    38 }

    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);

    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]);

    50     if (has_2nd_order)

    51         x->quantize_b(&x->block[24], &x->e_mbd.block[24]);

    52 }

    55 void vp8_quantize_mbuv_neon(MACROBLOCK *x)

    56 {

    57     int i;

    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 }

    64 #endif /* HAVE_NEON */

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