Removed vp9_ prefix from vpx_dsp/bitreader file names
Change-Id: I0426126d0a65f13f9250983e44cc366b1b1a9c4a
diff --git a/vpx_dsp/prob.c b/vpx_dsp/prob.c
new file mode 100644
index 0000000..8f44e18
--- /dev/null
+++ b/vpx_dsp/prob.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2013 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 "./prob.h"
+
+const uint8_t vp9_norm[256] = {
+ 0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static unsigned int tree_merge_probs_impl(unsigned int i,
+ const vp9_tree_index *tree,
+ const vp9_prob *pre_probs,
+ const unsigned int *counts,
+ vp9_prob *probs) {
+ const int l = tree[i];
+ const unsigned int left_count = (l <= 0)
+ ? counts[-l]
+ : tree_merge_probs_impl(l, tree, pre_probs, counts, probs);
+ const int r = tree[i + 1];
+ const unsigned int right_count = (r <= 0)
+ ? counts[-r]
+ : tree_merge_probs_impl(r, tree, pre_probs, counts, probs);
+ const unsigned int ct[2] = { left_count, right_count };
+ probs[i >> 1] = mode_mv_merge_probs(pre_probs[i >> 1], ct);
+ return left_count + right_count;
+}
+
+void vp9_tree_merge_probs(const vp9_tree_index *tree, const vp9_prob *pre_probs,
+ const unsigned int *counts, vp9_prob *probs) {
+ tree_merge_probs_impl(0, tree, pre_probs, counts, probs);
+}
