third_party/jpeg-xl/lib/jpegli/entropy_coding.h

   1 // Copyright (c) the JPEG XL Project Authors. All rights reserved.
   2 //
   3 // Use of this source code is governed by a BSD-style
   4 // license that can be found in the LICENSE file.
   5
   6 #ifndef LIB_JPEGLI_ENTROPY_CODING_H_
   7 #define LIB_JPEGLI_ENTROPY_CODING_H_
   8
   9 #include "lib/jpegli/common.h"
  10
  11 namespace jpegli {
  12
  13 size_t MaxNumTokensPerMCURow(j_compress_ptr cinfo);
  14
  15 size_t EstimateNumTokens(j_compress_ptr cinfo, size_t mcu_y, size_t ysize_mcus,
  16                          size_t num_tokens, size_t max_per_row);
  17
  18 void TokenizeJpeg(j_compress_ptr cinfo);
  19
  20 void CopyHuffmanTables(j_compress_ptr cinfo);
  21
  22 void OptimizeHuffmanCodes(j_compress_ptr cinfo);
  23
  24 void InitEntropyCoder(j_compress_ptr cinfo);
  25
  26 }  // namespace jpegli
  27
  28 #endif  // LIB_JPEGLI_ENTROPY_CODING_H_