Moving vp9_tree_probs_from_distribution() to encoder.
Writing custom coeff branch count calculation (which is much clearer) in adapt_coef_probs() function. Removing vp9_treecoder.c file. Change-Id: I8880fb7a39996c8bcf6cd0acf9898a8c712ba91f
This commit is contained in:
Dmitry Kovalev
Родитель
d72c847fe8
Коммит
4ac6a2552b
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@ -756,27 +756,30 @@ static void adapt_coef_probs(VP9_COMMON *cm, TX_SIZE tx_size,
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unsigned int count_sat,
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unsigned int update_factor) {
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const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
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vp9_coeff_probs_model *dst_coef_probs = cm->fc.coef_probs[tx_size];
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const vp9_coeff_probs_model *pre_coef_probs = pre_fc->coef_probs[tx_size];
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vp9_coeff_count_model *coef_counts = cm->counts.coef[tx_size];
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unsigned int (*eob_branch_count)[REF_TYPES][COEF_BANDS][COEFF_CONTEXTS] =
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vp9_coeff_probs_model *const probs = cm->fc.coef_probs[tx_size];
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const vp9_coeff_probs_model *const pre_probs = pre_fc->coef_probs[tx_size];
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vp9_coeff_count_model *counts = cm->counts.coef[tx_size];
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unsigned int (*eob_counts)[REF_TYPES][COEF_BANDS][COEFF_CONTEXTS] =
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cm->counts.eob_branch[tx_size];
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int i, j, k, l, m;
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unsigned int branch_ct[UNCONSTRAINED_NODES][2];
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for (i = 0; i < BLOCK_TYPES; ++i)
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for (j = 0; j < REF_TYPES; ++j)
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for (k = 0; k < COEF_BANDS; ++k)
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for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
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vp9_tree_probs_from_distribution(vp9_coefmodel_tree, branch_ct,
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coef_counts[i][j][k][l]);
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branch_ct[0][1] = eob_branch_count[i][j][k][l] - branch_ct[0][0];
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const int n0 = counts[i][j][k][l][ZERO_TOKEN];
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const int n1 = counts[i][j][k][l][ONE_TOKEN];
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const int n2 = counts[i][j][k][l][TWO_TOKEN];
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const int neob = counts[i][j][k][l][EOB_MODEL_TOKEN];
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const unsigned int branch_ct[UNCONSTRAINED_NODES][2] = {
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{ neob, eob_counts[i][j][k][l] - neob },
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{ n0, n1 + n2 },
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{ n1, n2 }
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};
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for (m = 0; m < UNCONSTRAINED_NODES; ++m)
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dst_coef_probs[i][j][k][l][m] = merge_probs(
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pre_coef_probs[i][j][k][l][m],
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branch_ct[m],
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count_sat, update_factor);
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probs[i][j][k][l][m] = merge_probs(pre_probs[i][j][k][l][m],
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branch_ct[m],
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count_sat, update_factor);
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}
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}
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@ -1,43 +0,0 @@
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/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <assert.h>
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#include "./vpx_config.h"
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#include "vp9/common/vp9_treecoder.h"
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static unsigned int convert_distribution(unsigned int i, vp9_tree tree,
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unsigned int branch_ct[][2],
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const unsigned int num_events[]) {
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unsigned int left, right;
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if (tree[i] <= 0)
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left = num_events[-tree[i]];
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else
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left = convert_distribution(tree[i], tree, branch_ct, num_events);
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if (tree[i + 1] <= 0)
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right = num_events[-tree[i + 1]];
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else
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right = convert_distribution(tree[i + 1], tree, branch_ct, num_events);
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branch_ct[i >> 1][0] = left;
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branch_ct[i >> 1][1] = right;
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return left + right;
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}
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void vp9_tree_probs_from_distribution(vp9_tree tree,
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unsigned int branch_ct[/* n-1 */][2],
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const unsigned int num_events[/* n */]) {
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convert_distribution(0, tree, branch_ct, num_events);
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}
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@ -39,11 +39,6 @@ typedef const vp9_tree_index vp9_tree[];
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taken for each node on the tree; this facilitiates decisions as to
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probability updates. */
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void vp9_tree_probs_from_distribution(vp9_tree tree,
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unsigned int branch_ct[ /* n - 1 */ ][2],
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const unsigned int num_events[ /* n */ ]);
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static INLINE vp9_prob clip_prob(int p) {
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return (p > 255) ? 255u : (p < 1) ? 1u : p;
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}
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@ -57,3 +57,29 @@ void vp9_tokens_from_tree(struct vp9_token *tokens,
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const vp9_tree_index *tree) {
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tree2tok(tokens, tree, 0, 0, 0);
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}
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static unsigned int convert_distribution(unsigned int i, vp9_tree tree,
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unsigned int branch_ct[][2],
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const unsigned int num_events[]) {
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unsigned int left, right;
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if (tree[i] <= 0)
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left = num_events[-tree[i]];
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else
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left = convert_distribution(tree[i], tree, branch_ct, num_events);
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if (tree[i + 1] <= 0)
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right = num_events[-tree[i + 1]];
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else
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right = convert_distribution(tree[i + 1], tree, branch_ct, num_events);
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branch_ct[i >> 1][0] = left;
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branch_ct[i >> 1][1] = right;
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return left + right;
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}
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void vp9_tree_probs_from_distribution(vp9_tree tree,
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unsigned int branch_ct[/* n-1 */][2],
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const unsigned int num_events[/* n */]) {
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convert_distribution(0, tree, branch_ct, num_events);
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}
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@ -75,4 +75,8 @@ static INLINE int treed_cost(vp9_tree tree, const vp9_prob *probs,
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void vp9_cost_tokens(int *costs, const vp9_prob *probs, vp9_tree tree);
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void vp9_cost_tokens_skip(int *costs, const vp9_prob *probs, vp9_tree tree);
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void vp9_tree_probs_from_distribution(vp9_tree tree,
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unsigned int branch_ct[ /* n - 1 */ ][2],
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const unsigned int num_events[ /* n */ ]);
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#endif // VP9_ENCODER_VP9_TREEWRITER_H_
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@ -61,7 +61,6 @@ VP9_COMMON_SRCS-yes += common/vp9_quant_common.c
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VP9_COMMON_SRCS-yes += common/vp9_reconinter.c
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VP9_COMMON_SRCS-yes += common/vp9_reconintra.c
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VP9_COMMON_SRCS-$(CONFIG_POSTPROC_VISUALIZER) += common/vp9_textblit.c
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VP9_COMMON_SRCS-yes += common/vp9_treecoder.c
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VP9_COMMON_SRCS-yes += common/vp9_common_data.c
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VP9_COMMON_SRCS-yes += common/vp9_common_data.h
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VP9_COMMON_SRCS-yes += common/vp9_scan.c
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