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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/libvpx/vp8/common/entropymode.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vp8/common/entropymode.c')
-rw-r--r--media/libvpx/vp8/common/entropymode.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/entropymode.c b/media/libvpx/vp8/common/entropymode.c
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+++ b/media/libvpx/vp8/common/entropymode.c
@@ -0,0 +1,171 @@
+/*
+ * 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));
+}
+