Drop obsolete "webpold" backup of previous webp version

Fixes #5252

1 files changed, 0 insertions, 47 deletions

diff --git a/drivers/webpold/utils/huffman_encode.h b/drivers/webpold/utils/huffman_encode.h
deleted file mode 100644
index 7f4aedc102..0000000000
--- a/drivers/webpold/utils/huffman_encode.h
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
-//
-// This code is licensed under the same terms as WebM:
-//  Software License Agreement:  http://www.webmproject.org/license/software/
-//  Additional IP Rights Grant:  http://www.webmproject.org/license/additional/
-// -----------------------------------------------------------------------------
-//
-// Author: Jyrki Alakuijala (jyrki@google.com)
-//
-// Entropy encoding (Huffman) for webp lossless
-
-#ifndef WEBP_UTILS_HUFFMAN_ENCODE_H_
-#define WEBP_UTILS_HUFFMAN_ENCODE_H_
-
-#include "../types.h"
-
-#if defined(__cplusplus) || defined(c_plusplus)
-extern "C" {
-#endif
-
-// Struct for holding the tree header in coded form.
-typedef struct {
-  uint8_t code;         // value (0..15) or escape code (16,17,18)
-  uint8_t extra_bits;   // extra bits for escape codes
-} HuffmanTreeToken;
-
-// Struct to represent the tree codes (depth and bits array).
-typedef struct {
-  int       num_symbols;   // Number of symbols.
-  uint8_t*  code_lengths;  // Code lengths of the symbols.
-  uint16_t* codes;         // Symbol Codes.
-} HuffmanTreeCode;
-
-// Turn the Huffman tree into a token sequence.
-// Returns the number of tokens used.
-int VP8LCreateCompressedHuffmanTree(const HuffmanTreeCode* const tree,
-                                    HuffmanTreeToken* tokens, int max_tokens);
-
-// Create an optimized tree, and tokenize it.
-int VP8LCreateHuffmanTree(int* const histogram, int tree_depth_limit,
-                          HuffmanTreeCode* const tree);
-
-#if defined(__cplusplus) || defined(c_plusplus)
-}
-#endif
-
-#endif  // WEBP_UTILS_HUFFMAN_ENCODE_H_