Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/modules/brotli/enc/literal_cost.h b/modules/brotli/enc/literal_cost.h
new file mode 100644
index 0000000000..8f53f39d3f
--- /dev/null
+++ b/modules/brotli/enc/literal_cost.h
@@ -0,0 +1,30 @@
+/* Copyright 2013 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* Literal cost model to allow backward reference replacement to be efficient.
+*/
+
+#ifndef BROTLI_ENC_LITERAL_COST_H_
+#define BROTLI_ENC_LITERAL_COST_H_
+
+#include "../common/platform.h"
+#include <brotli/types.h>
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+/* Estimates how many bits the literals in the interval [pos, pos + len) in the
+   ring-buffer (data, mask) will take entropy coded and writes these estimates
+   to the cost[0..len) array. */
+BROTLI_INTERNAL void BrotliEstimateBitCostsForLiterals(
+    size_t pos, size_t len, size_t mask, const uint8_t* data, float* cost);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}  /* extern "C" */
+#endif
+
+#endif  /* BROTLI_ENC_LITERAL_COST_H_ */