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-rw-r--r--vp10/encoder/encodemv.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/vp10/encoder/encodemv.c b/vp10/encoder/encodemv.c
deleted file mode 100644
index 0736c65b3..000000000
--- a/vp10/encoder/encodemv.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * 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.
- */
-
-#include <math.h>
-
-#include "vp10/common/common.h"
-#include "vp10/common/entropymode.h"
-
-#include "vp10/encoder/cost.h"
-#include "vp10/encoder/encodemv.h"
-#include "vp10/encoder/subexp.h"
-
-#include "vpx_dsp/vpx_dsp_common.h"
-
-static struct vp10_token mv_joint_encodings[MV_JOINTS];
-static struct vp10_token mv_class_encodings[MV_CLASSES];
-static struct vp10_token mv_fp_encodings[MV_FP_SIZE];
-static struct vp10_token mv_class0_encodings[CLASS0_SIZE];
-
-void vp10_entropy_mv_init(void) {
- vp10_tokens_from_tree(mv_joint_encodings, vp10_mv_joint_tree);
- vp10_tokens_from_tree(mv_class_encodings, vp10_mv_class_tree);
- vp10_tokens_from_tree(mv_class0_encodings, vp10_mv_class0_tree);
- vp10_tokens_from_tree(mv_fp_encodings, vp10_mv_fp_tree);
-}
-
-static void encode_mv_component(vpx_writer* w, int comp,
- const nmv_component* mvcomp, int usehp) {
- int offset;
- const int sign = comp < 0;
- const int mag = sign ? -comp : comp;
- const int mv_class = vp10_get_mv_class(mag - 1, &offset);
- const int d = offset >> 3; // int mv data
- const int fr = (offset >> 1) & 3; // fractional mv data
- const int hp = offset & 1; // high precision mv data
-
- assert(comp != 0);
-
- // Sign
- vpx_write(w, sign, mvcomp->sign);
-
- // Class
- vp10_write_token(w, vp10_mv_class_tree, mvcomp->classes,
- &mv_class_encodings[mv_class]);
-
- // Integer bits
- if (mv_class == MV_CLASS_0) {
- vp10_write_token(w, vp10_mv_class0_tree, mvcomp->class0,
- &mv_class0_encodings[d]);
- } else {
- int i;
- const int n = mv_class + CLASS0_BITS - 1; // number of bits
- for (i = 0; i < n; ++i)
- vpx_write(w, (d >> i) & 1, mvcomp->bits[i]);
- }
-
- // Fractional bits
- vp10_write_token(w, vp10_mv_fp_tree,
- mv_class == MV_CLASS_0 ? mvcomp->class0_fp[d] : mvcomp->fp,
- &mv_fp_encodings[fr]);
-
- // High precision bit
- if (usehp)
- vpx_write(w, hp,
- mv_class == MV_CLASS_0 ? mvcomp->class0_hp : mvcomp->hp);
-}
-
-
-static void build_nmv_component_cost_table(int *mvcost,
- const nmv_component* const mvcomp,
- int usehp) {
- int i, v;
- int sign_cost[2], class_cost[MV_CLASSES], class0_cost[CLASS0_SIZE];
- int bits_cost[MV_OFFSET_BITS][2];
- int class0_fp_cost[CLASS0_SIZE][MV_FP_SIZE], fp_cost[MV_FP_SIZE];
- int class0_hp_cost[2], hp_cost[2];
-
- sign_cost[0] = vp10_cost_zero(mvcomp->sign);
- sign_cost[1] = vp10_cost_one(mvcomp->sign);
- vp10_cost_tokens(class_cost, mvcomp->classes, vp10_mv_class_tree);
- vp10_cost_tokens(class0_cost, mvcomp->class0, vp10_mv_class0_tree);
- for (i = 0; i < MV_OFFSET_BITS; ++i) {
- bits_cost[i][0] = vp10_cost_zero(mvcomp->bits[i]);
- bits_cost[i][1] = vp10_cost_one(mvcomp->bits[i]);
- }
-
- for (i = 0; i < CLASS0_SIZE; ++i)
- vp10_cost_tokens(class0_fp_cost[i], mvcomp->class0_fp[i], vp10_mv_fp_tree);
- vp10_cost_tokens(fp_cost, mvcomp->fp, vp10_mv_fp_tree);
-
- if (usehp) {
- class0_hp_cost[0] = vp10_cost_zero(mvcomp->class0_hp);
- class0_hp_cost[1] = vp10_cost_one(mvcomp->class0_hp);
- hp_cost[0] = vp10_cost_zero(mvcomp->hp);
- hp_cost[1] = vp10_cost_one(mvcomp->hp);
- }
- mvcost[0] = 0;
- for (v = 1; v <= MV_MAX; ++v) {
- int z, c, o, d, e, f, cost = 0;
- z = v - 1;
- c = vp10_get_mv_class(z, &o);
- cost += class_cost[c];
- d = (o >> 3); /* int mv data */
- f = (o >> 1) & 3; /* fractional pel mv data */
- e = (o & 1); /* high precision mv data */
- if (c == MV_CLASS_0) {
- cost += class0_cost[d];
- } else {
- int i, b;
- b = c + CLASS0_BITS - 1; /* number of bits */
- for (i = 0; i < b; ++i)
- cost += bits_cost[i][((d >> i) & 1)];
- }
- if (c == MV_CLASS_0) {
- cost += class0_fp_cost[d][f];
- } else {
- cost += fp_cost[f];
- }
- if (usehp) {
- if (c == MV_CLASS_0) {
- cost += class0_hp_cost[e];
- } else {
- cost += hp_cost[e];
- }
- }
- mvcost[v] = cost + sign_cost[0];
- mvcost[-v] = cost + sign_cost[1];
- }
-}
-
-static void update_mv(vpx_writer *w, const unsigned int ct[2], vpx_prob *cur_p,
- vpx_prob upd_p) {
-#if CONFIG_MISC_FIXES
- (void) upd_p;
- vp10_cond_prob_diff_update(w, cur_p, ct);
-#else
- const vpx_prob new_p = get_binary_prob(ct[0], ct[1]) | 1;
- const int update = cost_branch256(ct, *cur_p) + vp10_cost_zero(upd_p) >
- cost_branch256(ct, new_p) + vp10_cost_one(upd_p) + 7 * 256;
- vpx_write(w, update, upd_p);
- if (update) {
- *cur_p = new_p;
- vpx_write_literal(w, new_p >> 1, 7);
- }
-#endif
-}
-
-static void write_mv_update(const vpx_tree_index *tree,
- vpx_prob probs[/*n - 1*/],
- const unsigned int counts[/*n - 1*/],
- int n, vpx_writer *w) {
- int i;
- unsigned int branch_ct[32][2];
-
- // Assuming max number of probabilities <= 32
- assert(n <= 32);
-
- vp10_tree_probs_from_distribution(tree, branch_ct, counts);
- for (i = 0; i < n - 1; ++i)
- update_mv(w, branch_ct[i], &probs[i], MV_UPDATE_PROB);
-}
-
-void vp10_write_nmv_probs(VP10_COMMON *cm, int usehp, vpx_writer *w,
- nmv_context_counts *const counts) {
- int i, j;
- nmv_context *const mvc = &cm->fc->nmvc;
-
- write_mv_update(vp10_mv_joint_tree, mvc->joints, counts->joints, MV_JOINTS, w);
-
- for (i = 0; i < 2; ++i) {
- nmv_component *comp = &mvc->comps[i];
- nmv_component_counts *comp_counts = &counts->comps[i];
-
- update_mv(w, comp_counts->sign, &comp->sign, MV_UPDATE_PROB);
- write_mv_update(vp10_mv_class_tree, comp->classes, comp_counts->classes,
- MV_CLASSES, w);
- write_mv_update(vp10_mv_class0_tree, comp->class0, comp_counts->class0,
- CLASS0_SIZE, w);
- for (j = 0; j < MV_OFFSET_BITS; ++j)
- update_mv(w, comp_counts->bits[j], &comp->bits[j], MV_UPDATE_PROB);
- }
-
- for (i = 0; i < 2; ++i) {
- for (j = 0; j < CLASS0_SIZE; ++j)
- write_mv_update(vp10_mv_fp_tree, mvc->comps[i].class0_fp[j],
- counts->comps[i].class0_fp[j], MV_FP_SIZE, w);
-
- write_mv_update(vp10_mv_fp_tree, mvc->comps[i].fp, counts->comps[i].fp,
- MV_FP_SIZE, w);
- }
-
- if (usehp) {
- for (i = 0; i < 2; ++i) {
- update_mv(w, counts->comps[i].class0_hp, &mvc->comps[i].class0_hp,
- MV_UPDATE_PROB);
- update_mv(w, counts->comps[i].hp, &mvc->comps[i].hp, MV_UPDATE_PROB);
- }
- }
-}
-
-void vp10_encode_mv(VP10_COMP* cpi, vpx_writer* w,
- const MV* mv, const MV* ref,
- const nmv_context* mvctx, int usehp) {
- const MV diff = {mv->row - ref->row,
- mv->col - ref->col};
- const MV_JOINT_TYPE j = vp10_get_mv_joint(&diff);
- usehp = usehp && vp10_use_mv_hp(ref);
-
- vp10_write_token(w, vp10_mv_joint_tree, mvctx->joints, &mv_joint_encodings[j]);
- if (mv_joint_vertical(j))
- encode_mv_component(w, diff.row, &mvctx->comps[0], usehp);
-
- if (mv_joint_horizontal(j))
- encode_mv_component(w, diff.col, &mvctx->comps[1], usehp);
-
- // If auto_mv_step_size is enabled then keep track of the largest
- // motion vector component used.
- if (cpi->sf.mv.auto_mv_step_size) {
- unsigned int maxv = VPXMAX(abs(mv->row), abs(mv->col)) >> 3;
- cpi->max_mv_magnitude = VPXMAX(maxv, cpi->max_mv_magnitude);
- }
-}
-
-void vp10_build_nmv_cost_table(int *mvjoint, int *mvcost[2],
- const nmv_context* ctx, int usehp) {
- vp10_cost_tokens(mvjoint, ctx->joints, vp10_mv_joint_tree);
- build_nmv_component_cost_table(mvcost[0], &ctx->comps[0], usehp);
- build_nmv_component_cost_table(mvcost[1], &ctx->comps[1], usehp);
-}
-
-static void inc_mvs(const MB_MODE_INFO *mbmi, const MB_MODE_INFO_EXT *mbmi_ext,
- const int_mv mvs[2],
- nmv_context_counts *counts) {
- int i;
-
- for (i = 0; i < 1 + has_second_ref(mbmi); ++i) {
- const MV *ref = &mbmi_ext->ref_mvs[mbmi->ref_frame[i]][0].as_mv;
- const MV diff = {mvs[i].as_mv.row - ref->row,
- mvs[i].as_mv.col - ref->col};
- vp10_inc_mv(&diff, counts, vp10_use_mv_hp(ref));
- }
-}
-
-void vp10_update_mv_count(ThreadData *td) {
- const MACROBLOCKD *xd = &td->mb.e_mbd;
- const MODE_INFO *mi = xd->mi[0];
- const MB_MODE_INFO *const mbmi = &mi->mbmi;
- const MB_MODE_INFO_EXT *mbmi_ext = td->mb.mbmi_ext;
-
- if (mbmi->sb_type < BLOCK_8X8) {
- const int num_4x4_w = num_4x4_blocks_wide_lookup[mbmi->sb_type];
- const int num_4x4_h = num_4x4_blocks_high_lookup[mbmi->sb_type];
- int idx, idy;
-
- for (idy = 0; idy < 2; idy += num_4x4_h) {
- for (idx = 0; idx < 2; idx += num_4x4_w) {
- const int i = idy * 2 + idx;
- if (mi->bmi[i].as_mode == NEWMV)
- inc_mvs(mbmi, mbmi_ext, mi->bmi[i].as_mv, &td->counts->mv);
- }
- }
- } else {
- if (mbmi->mode == NEWMV)
- inc_mvs(mbmi, mbmi_ext, mbmi->mv, &td->counts->mv);
- }
-}
-
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