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

69 lines
2.0 KiB
C++

// Copyright 2016 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#ifndef PACKAGER_MEDIA_FORMATS_MP2T_TS_WRITER_H_
#define PACKAGER_MEDIA_FORMATS_MP2T_TS_WRITER_H_
#include <list>
#include <map>
#include <memory>
#include <optional>
#include <vector>
#include <packager/file.h>
#include <packager/file/file_closer.h>
#include <packager/media/base/buffer_writer.h>
#include <packager/media/formats/mp2t/continuity_counter.h>
#include <optional>
namespace shaka {
namespace media {
namespace mp2t {
class PesPacket;
class ProgramMapTableWriter;
/// This class takes PesPackets, encapsulates them into TS packets, and write
/// the data to file. This also creates PSI from StreamInfo.
class TsWriter {
public:
explicit TsWriter(std::unique_ptr<ProgramMapTableWriter> pmt_writer);
virtual ~TsWriter();
/// This will fail if the current segment is not finalized.
/// @param buffer to write segment data.
/// @return true on success, false otherwise.
virtual bool NewSegment(BufferWriter* buffer);
/// Signals the writer that the rest of the segments are encrypted.
virtual void SignalEncrypted();
/// Add PesPacket to the instance. PesPacket might not be added to the buffer
/// immediately.
/// @param pes_packet gets added to the writer.
/// @param buffer to write pes packet.
/// @return true on success, false otherwise.
virtual bool AddPesPacket(std::unique_ptr<PesPacket> pes_packet, BufferWriter* buffer);
private:
TsWriter(const TsWriter&) = delete;
TsWriter& operator=(const TsWriter&) = delete;
// True if further segments generated by this instance should be encrypted.
bool encrypted_ = false;
ContinuityCounter pat_continuity_counter_;
ContinuityCounter elementary_stream_continuity_counter_;
std::unique_ptr<ProgramMapTableWriter> pmt_writer_;
};
} // namespace mp2t
} // namespace media
} // namespace shaka
#endif // PACKAGER_MEDIA_FORMATS_MP2T_TS_WRITER_H_