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/*
* Copyright (c) 2019 The WebRTC 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 in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef API_VIDEO_CODECS_BITSTREAM_PARSER_H_
#define API_VIDEO_CODECS_BITSTREAM_PARSER_H_
#include <stddef.h>
#include <stdint.h>
#include "absl/types/optional.h"
#include "api/array_view.h"
namespace webrtc {
// This class is an interface for bitstream parsers.
class BitstreamParser {
public:
virtual ~BitstreamParser() = default;
// Parse an additional chunk of the bitstream.
virtual void ParseBitstream(rtc::ArrayView<const uint8_t> bitstream) = 0;
// Get the last extracted QP value from the parsed bitstream. If no QP
// value could be parsed, returns absl::nullopt.
virtual absl::optional<int> GetLastSliceQp() const = 0;
};
} // namespace webrtc
#endif // API_VIDEO_CODECS_BITSTREAM_PARSER_H_
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