media/formats/mp2t/ts_section.h

   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_H_
   6 #define MEDIA_FORMATS_MP2T_TS_SECTION_H_
   7
   8 namespace media {
   9 namespace mp2t {
  10
  11 class TsSection {
  12  public:
  13   // From ISO/IEC 13818-1 or ITU H.222 spec: Table 2-3 - PID table.
  14   enum SpecialPid {
  15     kPidPat = 0x0,
  16     kPidCat = 0x1,
  17     kPidTsdt = 0x2,
  18     kPidNullPacket = 0x1fff,
  19     kPidMax = 0x1fff,
  20   };
  21
  22   virtual ~TsSection() {}
  23
  24   // Parse the data bytes of the TS packet.
  25   // Return true if parsing is successful.
  26   virtual bool Parse(bool payload_unit_start_indicator,
  27                      const uint8* buf, int size) = 0;
  28
  29   // Process bytes that have not been processed yet (pending buffers in the
  30   // pipe). Flush might thus results in frame emission, as an example.
  31   virtual void Flush() = 0;
  32
  33   // Reset the state of the parser to its initial state.
  34   virtual void Reset() = 0;
  35 };
  36
  37 }  // namespace mp2t
  38 }  // namespace media
  39
  40 #endif