source/encoder/nal.h

   1 /*****************************************************************************
   2 * Copyright (C) 2013 x265 project
   3 *
   4 * Authors: Steve Borho <steve@borho.org>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
  19 *
  20 * This program is also available under a commercial proprietary license.
  21 * For more information, contact us at license @ x265.com.
  22 *****************************************************************************/
  23
  24 #ifndef X265_NAL_H
  25 #define X265_NAL_H
  26
  27 #include "common.h"
  28 #include "x265.h"
  29
  30 namespace x265 {
  31 // private namespace
  32
  33 class Bitstream;
  34
  35 class NALList
  36 {
  37     static const int MAX_NAL_UNITS = 16;
  38
  39 public:
  40
  41     x265_nal    m_nal[MAX_NAL_UNITS];
  42     uint32_t    m_numNal;
  43
  44     uint8_t*    m_buffer;
  45     uint32_t    m_occupancy;
  46     uint32_t    m_allocSize;
  47
  48     uint8_t*    m_extraBuffer;
  49     uint32_t    m_extraOccupancy;
  50     uint32_t    m_extraAllocSize;
  51
  52     NALList();
  53     ~NALList() { X265_FREE(m_buffer); X265_FREE(m_extraBuffer); }
  54
  55     void takeContents(NALList& other);
  56
  57     void serialize(NalUnitType nalUnitType, const Bitstream& bs);
  58
  59     uint32_t serializeSubstreams(uint32_t* streamSizeBytes, uint32_t streamCount, const Bitstream* streams);
  60 };
  61
  62 }
  63
  64 #endif // ifndef X265_NAL_H