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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_FORMATS_MP2T_TS_SECTION_PES_H_ | 5 #ifndef MEDIA_FORMATS_MP2T_TS_SECTION_PES_H_ |
| 6 #define MEDIA_FORMATS_MP2T_TS_SECTION_PES_H_ | 6 #define MEDIA_FORMATS_MP2T_TS_SECTION_PES_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 10 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 11 #include "media/base/byte_queue.h" | 10 #include "media/base/byte_queue.h" |
| 12 #include "media/formats/mp2t/ts_section.h" | 11 #include "media/formats/mp2t/ts_section.h" |
| 13 | 12 |
| 14 namespace media { | 13 namespace media { |
| 15 namespace mp2t { | 14 namespace mp2t { |
| 16 | 15 |
| 17 class EsParser; | 16 class EsParser; |
| 18 class TimestampUnroller; | 17 class TimestampUnroller; |
| 19 | 18 |
| 20 class TsSectionPes : public TsSection { | 19 class TsSectionPes : public TsSection { |
| 21 public: | 20 public: |
| 22 TsSectionPes(scoped_ptr<EsParser> es_parser, | 21 TsSectionPes(scoped_ptr<EsParser> es_parser, |
| 23 TimestampUnroller* timestamp_unroller); | 22 TimestampUnroller* timestamp_unroller); |
| 24 ~TsSectionPes() override; | 23 ~TsSectionPes() override; |
| 25 | 24 |
| 26 // TsSection implementation. | 25 // TsSection implementation. |
| 27 bool Parse(bool payload_unit_start_indicator, | 26 bool Parse(bool payload_unit_start_indicator, |
| 28 const uint8* buf, int size) override; | 27 const uint8_t* buf, |
| 28 int size) override; |
| 29 void Flush() override; | 29 void Flush() override; |
| 30 void Reset() override; | 30 void Reset() override; |
| 31 | 31 |
| 32 private: | 32 private: |
| 33 // Emit a reassembled PES packet. | 33 // Emit a reassembled PES packet. |
| 34 // Return true if successful. | 34 // Return true if successful. |
| 35 // |emit_for_unknown_size| is used to force emission for PES packets | 35 // |emit_for_unknown_size| is used to force emission for PES packets |
| 36 // whose size is unknown. | 36 // whose size is unknown. |
| 37 bool Emit(bool emit_for_unknown_size); | 37 bool Emit(bool emit_for_unknown_size); |
| 38 | 38 |
| 39 // Parse a PES packet, return true if successful. | 39 // Parse a PES packet, return true if successful. |
| 40 bool ParseInternal(const uint8* raw_pes, int raw_pes_size); | 40 bool ParseInternal(const uint8_t* raw_pes, int raw_pes_size); |
| 41 | 41 |
| 42 void ResetPesState(); | 42 void ResetPesState(); |
| 43 | 43 |
| 44 // Bytes of the current PES. | 44 // Bytes of the current PES. |
| 45 ByteQueue pes_byte_queue_; | 45 ByteQueue pes_byte_queue_; |
| 46 | 46 |
| 47 // ES parser. | 47 // ES parser. |
| 48 scoped_ptr<EsParser> es_parser_; | 48 scoped_ptr<EsParser> es_parser_; |
| 49 | 49 |
| 50 // Do not start parsing before getting a unit start indicator. | 50 // Do not start parsing before getting a unit start indicator. |
| 51 bool wait_for_pusi_; | 51 bool wait_for_pusi_; |
| 52 | 52 |
| 53 // Used to unroll PTS and DTS. | 53 // Used to unroll PTS and DTS. |
| 54 TimestampUnroller* const timestamp_unroller_; | 54 TimestampUnroller* const timestamp_unroller_; |
| 55 | 55 |
| 56 DISALLOW_COPY_AND_ASSIGN(TsSectionPes); | 56 DISALLOW_COPY_AND_ASSIGN(TsSectionPes); |
| 57 }; | 57 }; |
| 58 | 58 |
| 59 } // namespace mp2t | 59 } // namespace mp2t |
| 60 } // namespace media | 60 } // namespace media |
| 61 | 61 |
| 62 #endif | 62 #endif |
| 63 | 63 |
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