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Diffstat (limited to 'third_party/aom/av1/encoder/treewriter.c')
-rw-r--r--third_party/aom/av1/encoder/treewriter.c59
1 files changed, 0 insertions, 59 deletions
diff --git a/third_party/aom/av1/encoder/treewriter.c b/third_party/aom/av1/encoder/treewriter.c
deleted file mode 100644
index 50be72413b..0000000000
--- a/third_party/aom/av1/encoder/treewriter.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include "av1/encoder/treewriter.h"
-
-static void tree2tok(struct av1_token *tokens, const aom_tree_index *tree,
- int i, int v, int l) {
- v += v;
- ++l;
-
- do {
- const aom_tree_index j = tree[i++];
- if (j <= 0) {
- tokens[-j].value = v;
- tokens[-j].len = l;
- } else {
- tree2tok(tokens, tree, j, v, l);
- }
- } while (++v & 1);
-}
-
-void av1_tokens_from_tree(struct av1_token *tokens,
- const aom_tree_index *tree) {
- tree2tok(tokens, tree, 0, 0, 0);
-}
-
-static unsigned int convert_distribution(unsigned int i, aom_tree tree,
- unsigned int branch_ct[][2],
- const unsigned int num_events[]) {
- unsigned int left, right;
-
- if (tree[i] <= 0)
- left = num_events[-tree[i]];
- else
- left = convert_distribution(tree[i], tree, branch_ct, num_events);
-
- if (tree[i + 1] <= 0)
- right = num_events[-tree[i + 1]];
- else
- right = convert_distribution(tree[i + 1], tree, branch_ct, num_events);
-
- branch_ct[i >> 1][0] = left;
- branch_ct[i >> 1][1] = right;
- return left + right;
-}
-
-void av1_tree_probs_from_distribution(aom_tree tree,
- unsigned int branch_ct[/* n-1 */][2],
- const unsigned int num_events[/* n */]) {
- convert_distribution(0, tree, branch_ct, num_events);
-}