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Diffstat (limited to 'chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_treewriter.c')
-rw-r--r--chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_treewriter.c58
1 files changed, 0 insertions, 58 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_treewriter.c b/chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_treewriter.c
deleted file mode 100644
index bb04b4025c8..00000000000
--- a/chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_treewriter.c
+++ /dev/null
@@ -1,58 +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 "vp9/encoder/vp9_treewriter.h"
-
-static void tree2tok(struct vp9_token *tokens, const vp9_tree_index *tree,
- int i, int v, int l) {
- v += v;
- ++l;
-
- do {
- const vp9_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 vp9_tokens_from_tree(struct vp9_token *tokens,
- const vp9_tree_index *tree) {
- tree2tok(tokens, tree, 0, 0, 0);
-}
-
-static unsigned int convert_distribution(unsigned int i, vp9_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 vp9_tree_probs_from_distribution(vp9_tree tree,
- unsigned int branch_ct[/* n-1 */][2],
- const unsigned int num_events[/* n */]) {
- convert_distribution(0, tree, branch_ct, num_events);
-}