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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_PES_H_
#define MEDIA_FORMATS_MP2T_TS_SECTION_PES_H_
#include <stdint.h>
#include <memory>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "media/base/byte_queue.h"
#include "media/formats/mp2t/ts_section.h"
namespace media {
namespace mp2t {
class EsParser;
class TimestampUnroller;
class TsSectionPes : public TsSection {
public:
TsSectionPes(std::unique_ptr<EsParser> es_parser,
TimestampUnroller* timestamp_unroller);
~TsSectionPes() override;
// TsSection implementation.
bool Parse(bool payload_unit_start_indicator,
const uint8_t* buf,
int size) override;
void Flush() override;
void Reset() override;
private:
// Emit a reassembled PES packet.
// Return true if successful.
// |emit_for_unknown_size| is used to force emission for PES packets
// whose size is unknown.
bool Emit(bool emit_for_unknown_size);
// Parse a PES packet, return true if successful.
bool ParseInternal(const uint8_t* raw_pes, int raw_pes_size);
void ResetPesState();
// Bytes of the current PES.
ByteQueue pes_byte_queue_;
// ES parser.
std::unique_ptr<EsParser> es_parser_;
// Do not start parsing before getting a unit start indicator.
bool wait_for_pusi_;
// Used to unroll PTS and DTS.
TimestampUnroller* const timestamp_unroller_;
DISALLOW_COPY_AND_ASSIGN(TsSectionPes);
};
} // namespace mp2t
} // namespace media
#endif // MEDIA_FORMATS_MP2T_TS_SECTION_PES_H_
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