1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MEDIA_FORMATS_MP2T_TS_SECTION_PES_H_ 6 #define MEDIA_FORMATS_MP2T_TS_SECTION_PES_H_ 7 8 #include "base/basictypes.h" 9 #include "base/compiler_specific.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "media/base/byte_queue.h" 12 #include "media/formats/mp2t/ts_section.h" 13 14 namespace media { 15 namespace mp2t { 16 17 class EsParser; 18 class TimestampUnroller; 19 20 class TsSectionPes : public TsSection { 21 public: 22 TsSectionPes(scoped_ptr<EsParser> es_parser, 23 TimestampUnroller* timestamp_unroller); 24 virtual ~TsSectionPes(); 25 26 // TsSection implementation. 27 virtual bool Parse(bool payload_unit_start_indicator, 28 const uint8* buf, int size) OVERRIDE; 29 virtual void Flush() OVERRIDE; 30 virtual void Reset() OVERRIDE; 31 32 private: 33 // Emit a reassembled PES packet. 34 // Return true if successful. 35 // |emit_for_unknown_size| is used to force emission for PES packets 36 // whose size is unknown. 37 bool Emit(bool emit_for_unknown_size); 38 39 // Parse a PES packet, return true if successful. 40 bool ParseInternal(const uint8* raw_pes, int raw_pes_size); 41 42 void ResetPesState(); 43 44 // Bytes of the current PES. 45 ByteQueue pes_byte_queue_; 46 47 // ES parser. 48 scoped_ptr<EsParser> es_parser_; 49 50 // Do not start parsing before getting a unit start indicator. 51 bool wait_for_pusi_; 52 53 // Used to unroll PTS and DTS. 54 TimestampUnroller* const timestamp_unroller_; 55 56 DISALLOW_COPY_AND_ASSIGN(TsSectionPes); 57 }; 58 59 } // namespace mp2t 60 } // namespace media 61 62 #endif 63 64
