1 files changed, 0 insertions, 99 deletions
diff --git a/BaseTools/Source/C/BrotliCompress/enc/backward_references.h b/BaseTools/Source/C/BrotliCompress/enc/backward_references.h
deleted file mode 100644
index 8c73b691ba..0000000000
--- a/BaseTools/Source/C/BrotliCompress/enc/backward_references.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/* Copyright 2013 Google Inc. All Rights Reserved.
-
-   Distributed under MIT license.
-   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
-*/
-
-/* Function to find backward reference copies. */
-
-#ifndef BROTLI_ENC_BACKWARD_REFERENCES_H_
-#define BROTLI_ENC_BACKWARD_REFERENCES_H_
-
-#include "../common/types.h"
-#include "./command.h"
-#include "./hash.h"
-#include "./memory.h"
-#include "./port.h"
-#include "./quality.h"
-
-#if defined(__cplusplus) || defined(c_plusplus)
-extern "C" {
-#endif
-
-/* "commands" points to the next output command to write to, "*num_commands" is
-   initially the total amount of commands output by previous
-   CreateBackwardReferences calls, and must be incremented by the amount written
-   by this call. */
-BROTLI_INTERNAL void BrotliCreateBackwardReferences(
-    MemoryManager* m, size_t num_bytes, size_t position, BROTLI_BOOL is_last,
-    const uint8_t* ringbuffer, size_t ringbuffer_mask,
-    const BrotliEncoderParams* params, Hashers* hashers, int* dist_cache,
-    size_t* last_insert_len, Command* commands, size_t* num_commands,
-    size_t* num_literals);
-
-typedef struct ZopfliNode {
-  /* best length to get up to this byte (not including this byte itself)
-     highest 8 bit is used to reconstruct the length code */
-  uint32_t length;
-  /* distance associated with the length
-     highest 7 bit contains distance short code + 1 (or zero if no short code)
-  */
-  uint32_t distance;
-  /* number of literal inserts before this copy */
-  uint32_t insert_length;
-
-  /* This union holds information used by dynamic-programming. During forward
-     pass |cost| it used to store the goal function. When node is processed its
-     |cost| is invalidated in favor of |shortcut|. On path backtracing pass
-     |next| is assigned the offset to next node on the path. */
-  union {
-    /* Smallest cost to get to this byte from the beginning, as found so far. */
-    float cost;
-    /* Offset to the next node on the path. Equals to command_length() of the
-       next node on the path. For last node equals to BROTLI_UINT32_MAX */
-    uint32_t next;
-    /* Node position that provides next distance for distance cache. */
-    uint32_t shortcut;
-  } u;
-} ZopfliNode;
-
-BROTLI_INTERNAL void BrotliInitZopfliNodes(ZopfliNode* array, size_t length);
-
-/* Computes the shortest path of commands from position to at most
-   position + num_bytes.
-
-   On return, path->size() is the number of commands found and path[i] is the
-   length of the ith command (copy length plus insert length).
-   Note that the sum of the lengths of all commands can be less than num_bytes.
-
-   On return, the nodes[0..num_bytes] array will have the following
-   "ZopfliNode array invariant":
-   For each i in [1..num_bytes], if nodes[i].cost < kInfinity, then
-     (1) nodes[i].copy_length() >= 2
-     (2) nodes[i].command_length() <= i and
-     (3) nodes[i - nodes[i].command_length()].cost < kInfinity */
-BROTLI_INTERNAL size_t BrotliZopfliComputeShortestPath(
-    MemoryManager* m, size_t num_bytes, size_t position,
-    const uint8_t* ringbuffer, size_t ringbuffer_mask,
-    const BrotliEncoderParams* params, const size_t max_backward_limit,
-    const int* dist_cache, H10* hasher, ZopfliNode* nodes);
-
-BROTLI_INTERNAL void BrotliZopfliCreateCommands(const size_t num_bytes,
-                                                const size_t block_start,
-                                                const size_t max_backward_limit,
-                                                const ZopfliNode* nodes,
-                                                int* dist_cache,
-                                                size_t* last_insert_len,
-                                                Command* commands,
-                                                size_t* num_literals);
-
-/* Maximum distance, see section 9.1. of the spec. */
-static BROTLI_INLINE size_t MaxBackwardLimit(int lgwin) {
-  return (1u << lgwin) - 16;
-}
-
-#if defined(__cplusplus) || defined(c_plusplus)
-}  /* extern "C" */
-#endif
-
-#endif  /* BROTLI_ENC_BACKWARD_REFERENCES_H_ */