tor-browser

The Tor Browser
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dec_context_map.h (883B)

      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_JXL_DEC_CONTEXT_MAP_H_
      7 #define LIB_JXL_DEC_CONTEXT_MAP_H_
      8 
      9 #include <jxl/memory_manager.h>
     10 
     11 #include <cstddef>
     12 #include <cstdint>
     13 #include <vector>
     14 
     15 #include "lib/jxl/base/status.h"
     16 #include "lib/jxl/dec_bit_reader.h"
     17 
     18 namespace jxl {
     19 
     20 // Reads the context map from the bit stream. On calling this function,
     21 // context_map->size() must be the number of possible context ids.
     22 // Sets *num_htrees to the number of different histogram ids in
     23 // *context_map.
     24 Status DecodeContextMap(JxlMemoryManager* memory_manager,
     25                        std::vector<uint8_t>* context_map, size_t* num_htrees,
     26                        BitReader* input);
     27 
     28 }  // namespace jxl
     29 
     30 #endif  // LIB_JXL_DEC_CONTEXT_MAP_H_