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 50be72413..000000000
--- 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);
-}