1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp8/common/entropymode.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,171 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#define USE_PREBUILT_TABLES
1.15 +
1.16 +#include "entropymode.h"
1.17 +#include "entropy.h"
1.18 +#include "vpx_mem/vpx_mem.h"
1.19 +
1.20 +#include "vp8_entropymodedata.h"
1.21 +
1.22 +int vp8_mv_cont(const int_mv *l, const int_mv *a)
1.23 +{
1.24 + int lez = (l->as_int == 0);
1.25 + int aez = (a->as_int == 0);
1.26 + int lea = (l->as_int == a->as_int);
1.27 +
1.28 + if (lea && lez)
1.29 + return SUBMVREF_LEFT_ABOVE_ZED;
1.30 +
1.31 + if (lea)
1.32 + return SUBMVREF_LEFT_ABOVE_SAME;
1.33 +
1.34 + if (aez)
1.35 + return SUBMVREF_ABOVE_ZED;
1.36 +
1.37 + if (lez)
1.38 + return SUBMVREF_LEFT_ZED;
1.39 +
1.40 + return SUBMVREF_NORMAL;
1.41 +}
1.42 +
1.43 +static const vp8_prob sub_mv_ref_prob [VP8_SUBMVREFS-1] = { 180, 162, 25};
1.44 +
1.45 +const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS-1] =
1.46 +{
1.47 + { 147, 136, 18 },
1.48 + { 106, 145, 1 },
1.49 + { 179, 121, 1 },
1.50 + { 223, 1 , 34 },
1.51 + { 208, 1 , 1 }
1.52 +};
1.53 +
1.54 +
1.55 +
1.56 +const vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS] =
1.57 +{
1.58 + {
1.59 + 0, 0, 0, 0,
1.60 + 0, 0, 0, 0,
1.61 + 1, 1, 1, 1,
1.62 + 1, 1, 1, 1,
1.63 + },
1.64 + {
1.65 + 0, 0, 1, 1,
1.66 + 0, 0, 1, 1,
1.67 + 0, 0, 1, 1,
1.68 + 0, 0, 1, 1,
1.69 + },
1.70 + {
1.71 + 0, 0, 1, 1,
1.72 + 0, 0, 1, 1,
1.73 + 2, 2, 3, 3,
1.74 + 2, 2, 3, 3,
1.75 + },
1.76 + {
1.77 + 0, 1, 2, 3,
1.78 + 4, 5, 6, 7,
1.79 + 8, 9, 10, 11,
1.80 + 12, 13, 14, 15,
1.81 + }
1.82 +};
1.83 +
1.84 +const int vp8_mbsplit_count [VP8_NUMMBSPLITS] = { 2, 2, 4, 16};
1.85 +
1.86 +const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS-1] = { 110, 111, 150};
1.87 +
1.88 +
1.89 +/* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
1.90 +
1.91 +const vp8_tree_index vp8_bmode_tree[18] = /* INTRAMODECONTEXTNODE value */
1.92 +{
1.93 + -B_DC_PRED, 2, /* 0 = DC_NODE */
1.94 + -B_TM_PRED, 4, /* 1 = TM_NODE */
1.95 + -B_VE_PRED, 6, /* 2 = VE_NODE */
1.96 + 8, 12, /* 3 = COM_NODE */
1.97 + -B_HE_PRED, 10, /* 4 = HE_NODE */
1.98 + -B_RD_PRED, -B_VR_PRED, /* 5 = RD_NODE */
1.99 + -B_LD_PRED, 14, /* 6 = LD_NODE */
1.100 + -B_VL_PRED, 16, /* 7 = VL_NODE */
1.101 + -B_HD_PRED, -B_HU_PRED /* 8 = HD_NODE */
1.102 +};
1.103 +
1.104 +/* Again, these trees use the same probability indices as their
1.105 + explicitly-programmed predecessors. */
1.106 +
1.107 +const vp8_tree_index vp8_ymode_tree[8] =
1.108 +{
1.109 + -DC_PRED, 2,
1.110 + 4, 6,
1.111 + -V_PRED, -H_PRED,
1.112 + -TM_PRED, -B_PRED
1.113 +};
1.114 +
1.115 +const vp8_tree_index vp8_kf_ymode_tree[8] =
1.116 +{
1.117 + -B_PRED, 2,
1.118 + 4, 6,
1.119 + -DC_PRED, -V_PRED,
1.120 + -H_PRED, -TM_PRED
1.121 +};
1.122 +
1.123 +const vp8_tree_index vp8_uv_mode_tree[6] =
1.124 +{
1.125 + -DC_PRED, 2,
1.126 + -V_PRED, 4,
1.127 + -H_PRED, -TM_PRED
1.128 +};
1.129 +
1.130 +const vp8_tree_index vp8_mbsplit_tree[6] =
1.131 +{
1.132 + -3, 2,
1.133 + -2, 4,
1.134 + -0, -1
1.135 +};
1.136 +
1.137 +const vp8_tree_index vp8_mv_ref_tree[8] =
1.138 +{
1.139 + -ZEROMV, 2,
1.140 + -NEARESTMV, 4,
1.141 + -NEARMV, 6,
1.142 + -NEWMV, -SPLITMV
1.143 +};
1.144 +
1.145 +const vp8_tree_index vp8_sub_mv_ref_tree[6] =
1.146 +{
1.147 + -LEFT4X4, 2,
1.148 + -ABOVE4X4, 4,
1.149 + -ZERO4X4, -NEW4X4
1.150 +};
1.151 +
1.152 +const vp8_tree_index vp8_small_mvtree [14] =
1.153 +{
1.154 + 2, 8,
1.155 + 4, 6,
1.156 + -0, -1,
1.157 + -2, -3,
1.158 + 10, 12,
1.159 + -4, -5,
1.160 + -6, -7
1.161 +};
1.162 +
1.163 +void vp8_init_mbmode_probs(VP8_COMMON *x)
1.164 +{
1.165 + vpx_memcpy(x->fc.ymode_prob, vp8_ymode_prob, sizeof(vp8_ymode_prob));
1.166 + vpx_memcpy(x->fc.uv_mode_prob, vp8_uv_mode_prob, sizeof(vp8_uv_mode_prob));
1.167 + vpx_memcpy(x->fc.sub_mv_ref_prob, sub_mv_ref_prob, sizeof(sub_mv_ref_prob));
1.168 +}
1.169 +
1.170 +void vp8_default_bmode_probs(vp8_prob p [VP8_BINTRAMODES-1])
1.171 +{
1.172 + vpx_memcpy(p, vp8_bmode_prob, sizeof(vp8_bmode_prob));
1.173 +}
1.174 +
