chromium/third_party/libgav1/src/src/tile.h

/*
 * Copyright 2019 The libgav1 Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef LIBGAV1_SRC_TILE_H_
#define LIBGAV1_SRC_TILE_H_

#include <algorithm>
#include <array>
#include <cassert>
#include <cmath>
#include <condition_variable>  // NOLINT (unapproved c++11 header)
#include <cstddef>
#include <cstdint>
#include <memory>
#include <mutex>  // NOLINT (unapproved c++11 header)

#include "src/buffer_pool.h"
#include "src/decoder_state.h"
#include "src/dsp/common.h"
#include "src/dsp/constants.h"
#include "src/dsp/dsp.h"
#include "src/frame_scratch_buffer.h"
#include "src/loop_restoration_info.h"
#include "src/obu_parser.h"
#include "src/post_filter.h"
#include "src/quantizer.h"
#include "src/residual_buffer_pool.h"
#include "src/symbol_decoder_context.h"
#include "src/tile_scratch_buffer.h"
#include "src/utils/array_2d.h"
#include "src/utils/block_parameters_holder.h"
#include "src/utils/blocking_counter.h"
#include "src/utils/common.h"
#include "src/utils/compiler_attributes.h"
#include "src/utils/constants.h"
#include "src/utils/entropy_decoder.h"
#include "src/utils/memory.h"
#include "src/utils/segmentation_map.h"
#include "src/utils/threadpool.h"
#include "src/utils/types.h"
#include "src/yuv_buffer.h"

namespace libgav1 {

// Indicates what the ProcessSuperBlock() and TransformBlock() functions should
// do. "Parse" refers to consuming the bitstream, reading the transform
// coefficients and performing the dequantization. "Decode" refers to computing
// the prediction, applying the inverse transforms and adding the residual.
enum ProcessingMode { … };

// The alignment requirement is due to the SymbolDecoderContext member
// symbol_decoder_context_.
class Tile : public MaxAlignedAllocable { … };

struct Tile::Block { … };

extern template bool
Tile::ProcessSuperBlockRow<kProcessingModeDecodeOnly, false>(
    int row4x4, TileScratchBuffer* scratch_buffer);
extern template bool
Tile::ProcessSuperBlockRow<kProcessingModeParseAndDecode, true>(
    int row4x4, TileScratchBuffer* scratch_buffer);

}  // namespace libgav1

#endif  // LIBGAV1_SRC_TILE_H_