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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#define USE_PREBUILT_TABLES
#include "entropymode.h"
#include "entropy.h"
#include "vpx_mem/vpx_mem.h"
#include "vp8_entropymodedata.h"
int vp8_mv_cont(const int_mv *l, const int_mv *a)
{
int lez = (l->as_int == 0);
int aez = (a->as_int == 0);
int lea = (l->as_int == a->as_int);
if (lea && lez)
return SUBMVREF_LEFT_ABOVE_ZED;
if (lea)
return SUBMVREF_LEFT_ABOVE_SAME;
if (aez)
return SUBMVREF_ABOVE_ZED;
if (lez)
return SUBMVREF_LEFT_ZED;
return SUBMVREF_NORMAL;
}
static const vp8_prob sub_mv_ref_prob [VP8_SUBMVREFS-1] = { 180, 162, 25};
const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS-1] =
{
{ 147, 136, 18 },
{ 106, 145, 1 },
{ 179, 121, 1 },
{ 223, 1 , 34 },
{ 208, 1 , 1 }
};
const vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS] =
{
{
0, 0, 0, 0,
0, 0, 0, 0,
1, 1, 1, 1,
1, 1, 1, 1,
},
{
0, 0, 1, 1,
0, 0, 1, 1,
0, 0, 1, 1,
0, 0, 1, 1,
},
{
0, 0, 1, 1,
0, 0, 1, 1,
2, 2, 3, 3,
2, 2, 3, 3,
},
{
0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15,
}
};
const int vp8_mbsplit_count [VP8_NUMMBSPLITS] = { 2, 2, 4, 16};
const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS-1] = { 110, 111, 150};
/* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
const vp8_tree_index vp8_bmode_tree[18] = /* INTRAMODECONTEXTNODE value */
{
-B_DC_PRED, 2, /* 0 = DC_NODE */
-B_TM_PRED, 4, /* 1 = TM_NODE */
-B_VE_PRED, 6, /* 2 = VE_NODE */
8, 12, /* 3 = COM_NODE */
-B_HE_PRED, 10, /* 4 = HE_NODE */
-B_RD_PRED, -B_VR_PRED, /* 5 = RD_NODE */
-B_LD_PRED, 14, /* 6 = LD_NODE */
-B_VL_PRED, 16, /* 7 = VL_NODE */
-B_HD_PRED, -B_HU_PRED /* 8 = HD_NODE */
};
/* Again, these trees use the same probability indices as their
explicitly-programmed predecessors. */
const vp8_tree_index vp8_ymode_tree[8] =
{
-DC_PRED, 2,
4, 6,
-V_PRED, -H_PRED,
-TM_PRED, -B_PRED
};
const vp8_tree_index vp8_kf_ymode_tree[8] =
{
-B_PRED, 2,
4, 6,
-DC_PRED, -V_PRED,
-H_PRED, -TM_PRED
};
const vp8_tree_index vp8_uv_mode_tree[6] =
{
-DC_PRED, 2,
-V_PRED, 4,
-H_PRED, -TM_PRED
};
const vp8_tree_index vp8_mbsplit_tree[6] =
{
-3, 2,
-2, 4,
-0, -1
};
const vp8_tree_index vp8_mv_ref_tree[8] =
{
-ZEROMV, 2,
-NEARESTMV, 4,
-NEARMV, 6,
-NEWMV, -SPLITMV
};
const vp8_tree_index vp8_sub_mv_ref_tree[6] =
{
-LEFT4X4, 2,
-ABOVE4X4, 4,
-ZERO4X4, -NEW4X4
};
const vp8_tree_index vp8_small_mvtree [14] =
{
2, 8,
4, 6,
-0, -1,
-2, -3,
10, 12,
-4, -5,
-6, -7
};
void vp8_init_mbmode_probs(VP8_COMMON *x)
{
memcpy(x->fc.ymode_prob, vp8_ymode_prob, sizeof(vp8_ymode_prob));
memcpy(x->fc.uv_mode_prob, vp8_uv_mode_prob, sizeof(vp8_uv_mode_prob));
memcpy(x->fc.sub_mv_ref_prob, sub_mv_ref_prob, sizeof(sub_mv_ref_prob));
}
void vp8_default_bmode_probs(vp8_prob p [VP8_BINTRAMODES-1])
{
memcpy(p, vp8_bmode_prob, sizeof(vp8_bmode_prob));
}
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