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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_PSI_H_ | 5 #ifndef MEDIA_FORMATS_MP2T_TS_SECTION_PSI_H_ |
6 #define MEDIA_FORMATS_MP2T_TS_SECTION_PSI_H_ | 6 #define MEDIA_FORMATS_MP2T_TS_SECTION_PSI_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "media/base/byte_queue.h" | 9 #include "media/base/byte_queue.h" |
10 #include "media/formats/mp2t/ts_section.h" | 10 #include "media/formats/mp2t/ts_section.h" |
11 | 11 |
12 namespace media { | 12 namespace media { |
13 | 13 |
14 class BitReader; | 14 class BitReader; |
15 | 15 |
16 namespace mp2t { | 16 namespace mp2t { |
17 | 17 |
18 class TsSectionPsi : public TsSection { | 18 class TsSectionPsi : public TsSection { |
19 public: | 19 public: |
20 TsSectionPsi(); | 20 TsSectionPsi(); |
21 virtual ~TsSectionPsi(); | 21 virtual ~TsSectionPsi(); |
22 | 22 |
23 // TsSection implementation. | 23 // TsSection implementation. |
24 virtual bool Parse(bool payload_unit_start_indicator, | 24 virtual bool Parse(bool payload_unit_start_indicator, |
25 const uint8* buf, int size) OVERRIDE; | 25 const uint8* buf, int size) override; |
26 virtual void Flush() OVERRIDE; | 26 virtual void Flush() override; |
27 virtual void Reset() OVERRIDE; | 27 virtual void Reset() override; |
28 | 28 |
29 // Parse the content of the PSI section. | 29 // Parse the content of the PSI section. |
30 virtual bool ParsePsiSection(BitReader* bit_reader) = 0; | 30 virtual bool ParsePsiSection(BitReader* bit_reader) = 0; |
31 | 31 |
32 // Reset the state of the PSI section. | 32 // Reset the state of the PSI section. |
33 virtual void ResetPsiSection() = 0; | 33 virtual void ResetPsiSection() = 0; |
34 | 34 |
35 private: | 35 private: |
36 void ResetPsiState(); | 36 void ResetPsiState(); |
37 | 37 |
38 // Bytes of the current PSI. | 38 // Bytes of the current PSI. |
39 ByteQueue psi_byte_queue_; | 39 ByteQueue psi_byte_queue_; |
40 | 40 |
41 // Do not start parsing before getting a unit start indicator. | 41 // Do not start parsing before getting a unit start indicator. |
42 bool wait_for_pusi_; | 42 bool wait_for_pusi_; |
43 | 43 |
44 // Number of leading bytes to discard (pointer field). | 44 // Number of leading bytes to discard (pointer field). |
45 int leading_bytes_to_discard_; | 45 int leading_bytes_to_discard_; |
46 | 46 |
47 DISALLOW_COPY_AND_ASSIGN(TsSectionPsi); | 47 DISALLOW_COPY_AND_ASSIGN(TsSectionPsi); |
48 }; | 48 }; |
49 | 49 |
50 } // namespace mp2t | 50 } // namespace mp2t |
51 } // namespace media | 51 } // namespace media |
52 | 52 |
53 #endif | 53 #endif |
54 | 54 |
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