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// Copyright 2014 The Chromium 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 MEDIA_FORMATS_MP2T_TS_SECTION_PSI_H_
#define MEDIA_FORMATS_MP2T_TS_SECTION_PSI_H_
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "media/base/byte_queue.h"
#include "media/formats/mp2t/ts_section.h"
namespace media {
class BitReader;
namespace mp2t {
class TsSectionPsi : public TsSection {
public:
TsSectionPsi();
~TsSectionPsi() override;
// TsSection implementation.
bool Parse(bool payload_unit_start_indicator,
const uint8_t* buf,
int size) override;
void Flush() override;
void Reset() override;
// Parse the content of the PSI section.
virtual bool ParsePsiSection(BitReader* bit_reader) = 0;
// Reset the state of the PSI section.
virtual void ResetPsiSection() = 0;
private:
void ResetPsiState();
// Bytes of the current PSI.
ByteQueue psi_byte_queue_;
// Do not start parsing before getting a unit start indicator.
bool wait_for_pusi_;
// Number of leading bytes to discard (pointer field).
int leading_bytes_to_discard_;
DISALLOW_COPY_AND_ASSIGN(TsSectionPsi);
};
} // namespace mp2t
} // namespace media
#endif // MEDIA_FORMATS_MP2T_TS_SECTION_PSI_H_
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