You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.3 KiB
44 lines
1.3 KiB
4 months ago
|
// Copyright 2017 The Chromium OS 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 _BSDIFF_BROTLI_COMPRESSOR_H_
|
||
|
|
#define _BSDIFF_BROTLI_COMPRESSOR_H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
#include <brotli/encode.h>
|
||
|
|
|
||
|
|
#include "bsdiff/compressor_buffer.h"
|
||
|
|
#include "bsdiff/compressor_interface.h"
|
||
|
|
#include "bsdiff/constants.h"
|
||
|
|
|
||
|
|
namespace bsdiff {
|
||
|
|
|
||
|
|
class BrotliCompressor : public CompressorInterface {
|
||
|
|
public:
|
||
|
|
// Create a brotli compressor with the compression quality |quality|. As the
|
||
|
|
// value of quality increases, the compression becomes better but slower.
|
||
|
|
// The valid range of quality is between BROTLI_MIN_QUALITY and
|
||
|
|
// BROTLI_MAX_QUALITY; and the caller is responsible for the validity check.
|
||
|
|
explicit BrotliCompressor(int quality);
|
||
|
|
~BrotliCompressor() override;
|
||
|
|
|
||
|
|
// CompressorInterface overrides.
|
||
|
|
bool Write(const uint8_t* buf, size_t size) override;
|
||
|
|
bool Finish() override;
|
||
|
|
const std::vector<uint8_t>& GetCompressedData() override;
|
||
|
|
CompressorType Type() const override { return CompressorType::kBrotli; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
BrotliEncoderState* brotli_encoder_state_;
|
||
|
|
|
||
|
|
CompressorBuffer comp_buffer_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace bsdiff
|
||
|
|
|
||
|
|
#endif // _BSDIFF_BROTLI_COMPRESSOR_H_
|