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// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#ifndef LIB_JXL_DEC_CONTEXT_MAP_H_
#define LIB_JXL_DEC_CONTEXT_MAP_H_
#include <stddef.h>
#include <stdint.h>
#include <vector>
#include "lib/jxl/dec_bit_reader.h"
namespace jxl {
// Context map uses uint8_t.
constexpr size_t kMaxClusters = 256;
// Reads the context map from the bit stream. On calling this function,
// context_map->size() must be the number of possible context ids.
// Sets *num_htrees to the number of different histogram ids in
// *context_map.
Status DecodeContextMap(std::vector<uint8_t>* context_map, size_t* num_htrees,
BitReader* input);
} // namespace jxl
#endif // LIB_JXL_DEC_CONTEXT_MAP_H_
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