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-rw-r--r--vp10/encoder/context_tree.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/vp10/encoder/context_tree.c b/vp10/encoder/context_tree.c
deleted file mode 100644
index 6c056d28e..000000000
--- a/vp10/encoder/context_tree.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Copyright (c) 2014 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 "vp10/encoder/context_tree.h"
-#include "vp10/encoder/encoder.h"
-
-static const BLOCK_SIZE square[] = {
- BLOCK_8X8,
- BLOCK_16X16,
- BLOCK_32X32,
- BLOCK_64X64,
-};
-
-static void alloc_mode_context(VP10_COMMON *cm, int num_4x4_blk,
- PICK_MODE_CONTEXT *ctx) {
- const int num_blk = (num_4x4_blk < 4 ? 4 : num_4x4_blk);
- const int num_pix = num_blk << 4;
- int i, k;
- ctx->num_4x4_blk = num_blk;
-
- CHECK_MEM_ERROR(cm, ctx->zcoeff_blk,
- vpx_calloc(num_blk, sizeof(uint8_t)));
- for (i = 0; i < MAX_MB_PLANE; ++i) {
- for (k = 0; k < 3; ++k) {
- CHECK_MEM_ERROR(cm, ctx->coeff[i][k],
- vpx_memalign(32, num_pix * sizeof(*ctx->coeff[i][k])));
- CHECK_MEM_ERROR(cm, ctx->qcoeff[i][k],
- vpx_memalign(32, num_pix * sizeof(*ctx->qcoeff[i][k])));
- CHECK_MEM_ERROR(cm, ctx->dqcoeff[i][k],
- vpx_memalign(32, num_pix * sizeof(*ctx->dqcoeff[i][k])));
- CHECK_MEM_ERROR(cm, ctx->eobs[i][k],
- vpx_memalign(32, num_blk * sizeof(*ctx->eobs[i][k])));
- ctx->coeff_pbuf[i][k] = ctx->coeff[i][k];
- ctx->qcoeff_pbuf[i][k] = ctx->qcoeff[i][k];
- ctx->dqcoeff_pbuf[i][k] = ctx->dqcoeff[i][k];
- ctx->eobs_pbuf[i][k] = ctx->eobs[i][k];
- }
- }
-}
-
-static void free_mode_context(PICK_MODE_CONTEXT *ctx) {
- int i, k;
- vpx_free(ctx->zcoeff_blk);
- ctx->zcoeff_blk = 0;
- for (i = 0; i < MAX_MB_PLANE; ++i) {
- for (k = 0; k < 3; ++k) {
- vpx_free(ctx->coeff[i][k]);
- ctx->coeff[i][k] = 0;
- vpx_free(ctx->qcoeff[i][k]);
- ctx->qcoeff[i][k] = 0;
- vpx_free(ctx->dqcoeff[i][k]);
- ctx->dqcoeff[i][k] = 0;
- vpx_free(ctx->eobs[i][k]);
- ctx->eobs[i][k] = 0;
- }
- }
-
- for (i = 0; i < 2; ++i) {
- vpx_free(ctx->color_index_map[i]);
- ctx->color_index_map[i] = 0;
- }
-}
-
-static void alloc_tree_contexts(VP10_COMMON *cm, PC_TREE *tree,
- int num_4x4_blk) {
- alloc_mode_context(cm, num_4x4_blk, &tree->none);
- alloc_mode_context(cm, num_4x4_blk/2, &tree->horizontal[0]);
- alloc_mode_context(cm, num_4x4_blk/2, &tree->vertical[0]);
-
- if (num_4x4_blk > 4) {
- alloc_mode_context(cm, num_4x4_blk/2, &tree->horizontal[1]);
- alloc_mode_context(cm, num_4x4_blk/2, &tree->vertical[1]);
- } else {
- memset(&tree->horizontal[1], 0, sizeof(tree->horizontal[1]));
- memset(&tree->vertical[1], 0, sizeof(tree->vertical[1]));
- }
-}
-
-static void free_tree_contexts(PC_TREE *tree) {
- free_mode_context(&tree->none);
- free_mode_context(&tree->horizontal[0]);
- free_mode_context(&tree->horizontal[1]);
- free_mode_context(&tree->vertical[0]);
- free_mode_context(&tree->vertical[1]);
-}
-
-// This function sets up a tree of contexts such that at each square
-// partition level. There are contexts for none, horizontal, vertical, and
-// split. Along with a block_size value and a selected block_size which
-// represents the state of our search.
-void vp10_setup_pc_tree(VP10_COMMON *cm, ThreadData *td) {
- int i, j;
- const int leaf_nodes = 64;
- const int tree_nodes = 64 + 16 + 4 + 1;
- int pc_tree_index = 0;
- PC_TREE *this_pc;
- PICK_MODE_CONTEXT *this_leaf;
- int square_index = 1;
- int nodes;
-
- vpx_free(td->leaf_tree);
- CHECK_MEM_ERROR(cm, td->leaf_tree, vpx_calloc(leaf_nodes,
- sizeof(*td->leaf_tree)));
- vpx_free(td->pc_tree);
- CHECK_MEM_ERROR(cm, td->pc_tree, vpx_calloc(tree_nodes,
- sizeof(*td->pc_tree)));
-
- this_pc = &td->pc_tree[0];
- this_leaf = &td->leaf_tree[0];
-
- // 4x4 blocks smaller than 8x8 but in the same 8x8 block share the same
- // context so we only need to allocate 1 for each 8x8 block.
- for (i = 0; i < leaf_nodes; ++i)
- alloc_mode_context(cm, 1, &td->leaf_tree[i]);
-
- // Sets up all the leaf nodes in the tree.
- for (pc_tree_index = 0; pc_tree_index < leaf_nodes; ++pc_tree_index) {
- PC_TREE *const tree = &td->pc_tree[pc_tree_index];
- tree->block_size = square[0];
- alloc_tree_contexts(cm, tree, 4);
- tree->leaf_split[0] = this_leaf++;
- for (j = 1; j < 4; j++)
- tree->leaf_split[j] = tree->leaf_split[0];
- }
-
- // Each node has 4 leaf nodes, fill each block_size level of the tree
- // from leafs to the root.
- for (nodes = 16; nodes > 0; nodes >>= 2) {
- for (i = 0; i < nodes; ++i) {
- PC_TREE *const tree = &td->pc_tree[pc_tree_index];
- alloc_tree_contexts(cm, tree, 4 << (2 * square_index));
- tree->block_size = square[square_index];
- for (j = 0; j < 4; j++)
- tree->split[j] = this_pc++;
- ++pc_tree_index;
- }
- ++square_index;
- }
- td->pc_root = &td->pc_tree[tree_nodes - 1];
- td->pc_root[0].none.best_mode_index = 2;
-}
-
-void vp10_free_pc_tree(ThreadData *td) {
- const int tree_nodes = 64 + 16 + 4 + 1;
- int i;
-
- // Set up all 4x4 mode contexts
- for (i = 0; i < 64; ++i)
- free_mode_context(&td->leaf_tree[i]);
-
- // Sets up all the leaf nodes in the tree.
- for (i = 0; i < tree_nodes; ++i)
- free_tree_contexts(&td->pc_tree[i]);
-
- vpx_free(td->pc_tree);
- td->pc_tree = NULL;
- vpx_free(td->leaf_tree);
- td->leaf_tree = NULL;
-}