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44 lines
1.3 KiB
44 lines
1.3 KiB
// Copyright 2017 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef _BSDIFF_BROTLI_COMPRESSOR_H_
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#define _BSDIFF_BROTLI_COMPRESSOR_H_
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#include <stdint.h>
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#include <vector>
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#include <brotli/encode.h>
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#include "bsdiff/compressor_buffer.h"
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#include "bsdiff/compressor_interface.h"
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#include "bsdiff/constants.h"
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namespace bsdiff {
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class BrotliCompressor : public CompressorInterface {
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public:
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// Create a brotli compressor with the compression quality |quality|. As the
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// value of quality increases, the compression becomes better but slower.
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// The valid range of quality is between BROTLI_MIN_QUALITY and
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// BROTLI_MAX_QUALITY; and the caller is responsible for the validity check.
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explicit BrotliCompressor(int quality);
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~BrotliCompressor() override;
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// CompressorInterface overrides.
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bool Write(const uint8_t* buf, size_t size) override;
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bool Finish() override;
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const std::vector<uint8_t>& GetCompressedData() override;
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CompressorType Type() const override { return CompressorType::kBrotli; }
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private:
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BrotliEncoderState* brotli_encoder_state_;
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CompressorBuffer comp_buffer_;
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};
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} // namespace bsdiff
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#endif // _BSDIFF_BROTLI_COMPRESSOR_H_
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