| // Copyright 2013 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_MP2T_TS_SECTION_PSI_H_ |
| #define MEDIA_MP2T_TS_SECTION_PSI_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "media/base/byte_queue.h" |
| #include "media/mp2t/ts_section.h" |
| |
| namespace media { |
| |
| class BitReader; |
| |
| namespace mp2t { |
| |
| class TsSectionPsi : public TsSection { |
| public: |
| TsSectionPsi(); |
| virtual ~TsSectionPsi(); |
| |
| // TsSection implementation. |
| virtual bool Parse(bool payload_unit_start_indicator, |
| const uint8* buf, int size) OVERRIDE; |
| virtual void Flush() OVERRIDE; |
| virtual void Reset() OVERRIDE; |
| |
| // Parse the content of the PSI section. |
| virtual bool ParsePsiSection(BitReader* bit_reader) = 0; |
| |
| // Reset the state of the PSI section. |
| virtual void ResetPsiSection() = 0; |
| |
| private: |
| void ResetPsiState(); |
| |
| // Bytes of the current PSI. |
| ByteQueue psi_byte_queue_; |
| |
| // Do not start parsing before getting a unit start indicator. |
| bool wait_for_pusi_; |
| |
| // Number of leading bytes to discard (pointer field). |
| int leading_bytes_to_discard_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TsSectionPsi); |
| }; |
| |
| } // namespace mp2t |
| } // namespace media |
| |
| #endif |
| |