src/add-ons/media/media-add-ons/dvb/mpeg_ts_packet.h

   1 /*
   2  * Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de>
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without restriction,
   7  * including without limitation the rights to use, copy, modify,
   8  * merge, publish, distribute, sublicense, and/or sell copies of
   9  * the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  17  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  19  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  20  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #ifndef _MPEG_TS_PACKET_H
  26 #define _MPEG_TS_PACKET_H
  27
  28 #include <SupportDefs.h>
  29
  30 class mpeg_ts_packet
  31 {
  32 public:
  33         int                     SyncByte() const;
  34         int                     TransportError() const;
  35         int                     PayloadUnitStart() const;
  36         int                     PID() const;
  37         int                     AdaptationFieldControl() const;
  38         int                     ContinuityCounter() const;
  39
  40 public:
  41         uint8           header[4];
  42         uint8           data[184];
  43 } _PACKED;
  44
  45
  46 inline int mpeg_ts_packet::SyncByte() const
  47 {
  48         return header[0];
  49 }
  50
  51 inline int mpeg_ts_packet::TransportError() const
  52 {
  53         return header[1] & 0x80;
  54 }
  55
  56 inline int mpeg_ts_packet::PayloadUnitStart() const
  57 {
  58         return header[1] & 0x40;
  59 }
  60
  61 inline int mpeg_ts_packet::PID() const
  62 {
  63         return ((header[1] << 8) | header[2]) & 0x1fff;
  64 }
  65
  66 inline int mpeg_ts_packet::AdaptationFieldControl() const
  67 {
  68     return (header[3] >> 4) & 0x3;
  69 }
  70
  71 inline int mpeg_ts_packet::ContinuityCounter() const
  72 {
  73     return header[3] & 0x0f;
  74 }
  75
  76 #endif