2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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.
11 #define USE_PREBUILT_TABLES
13 #include "entropymode.h"
15 #include "vpx_mem/vpx_mem.h"
17 #include "vp8_entropymodedata.h"
19 int vp8_mv_cont(const int_mv *l, const int_mv *a)
21 int lez = (l->as_int == 0);
22 int aez = (a->as_int == 0);
23 int lea = (l->as_int == a->as_int);
26 return SUBMVREF_LEFT_ABOVE_ZED;
29 return SUBMVREF_LEFT_ABOVE_SAME;
32 return SUBMVREF_ABOVE_ZED;
35 return SUBMVREF_LEFT_ZED;
37 return SUBMVREF_NORMAL;
40 static const vp8_prob sub_mv_ref_prob [VP8_SUBMVREFS-1] = { 180, 162, 25};
42 const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS-1] =
53 const vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS] =
81 const int vp8_mbsplit_count [VP8_NUMMBSPLITS] = { 2, 2, 4, 16};
83 const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS-1] = { 110, 111, 150};
86 /* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
88 const vp8_tree_index vp8_bmode_tree[18] = /* INTRAMODECONTEXTNODE value */
90 -B_DC_PRED, 2, /* 0 = DC_NODE */
91 -B_TM_PRED, 4, /* 1 = TM_NODE */
92 -B_VE_PRED, 6, /* 2 = VE_NODE */
93 8, 12, /* 3 = COM_NODE */
94 -B_HE_PRED, 10, /* 4 = HE_NODE */
95 -B_RD_PRED, -B_VR_PRED, /* 5 = RD_NODE */
96 -B_LD_PRED, 14, /* 6 = LD_NODE */
97 -B_VL_PRED, 16, /* 7 = VL_NODE */
98 -B_HD_PRED, -B_HU_PRED /* 8 = HD_NODE */
101 /* Again, these trees use the same probability indices as their
102 explicitly-programmed predecessors. */
104 const vp8_tree_index vp8_ymode_tree[8] =
112 const vp8_tree_index vp8_kf_ymode_tree[8] =
120 const vp8_tree_index vp8_uv_mode_tree[6] =
127 const vp8_tree_index vp8_mbsplit_tree[6] =
134 const vp8_tree_index vp8_mv_ref_tree[8] =
142 const vp8_tree_index vp8_sub_mv_ref_tree[6] =
149 const vp8_tree_index vp8_small_mvtree [14] =
160 void vp8_init_mbmode_probs(VP8_COMMON *x)
162 vpx_memcpy(x->fc.ymode_prob, vp8_ymode_prob, sizeof(vp8_ymode_prob));
163 vpx_memcpy(x->fc.uv_mode_prob, vp8_uv_mode_prob, sizeof(vp8_uv_mode_prob));
164 vpx_memcpy(x->fc.sub_mv_ref_prob, sub_mv_ref_prob, sizeof(sub_mv_ref_prob));
167 void vp8_default_bmode_probs(vp8_prob p [VP8_BINTRAMODES-1])
169 vpx_memcpy(p, vp8_bmode_prob, sizeof(vp8_bmode_prob));