shaka-packager/media/formats/mp2t/ts_section_pes.h

65 lines
1.6 KiB
C++

// 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 "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "media/base/byte_queue.h"
#include "media/formats/mp2t/ts_section.h"
namespace media {
namespace mp2t {
class EsParser;
class TsSectionPes : public TsSection {
public:
explicit TsSectionPes(scoped_ptr<EsParser> es_parser);
virtual ~TsSectionPes();
// TsSection implementation.
virtual bool Parse(bool payload_unit_start_indicator,
const uint8* buf, int size) OVERRIDE;
virtual void Flush() OVERRIDE;
virtual 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* raw_pes, int raw_pes_size);
void ResetPesState();
// Bytes of the current PES.
ByteQueue pes_byte_queue_;
// ES parser.
scoped_ptr<EsParser> es_parser_;
// Do not start parsing before getting a unit start indicator.
bool wait_for_pusi_;
// Used to unroll PTS and DTS.
bool previous_pts_valid_;
int64 previous_pts_;
bool previous_dts_valid_;
int64 previous_dts_;
DISALLOW_COPY_AND_ASSIGN(TsSectionPes);
};
} // namespace mp2t
} // namespace media
#endif