xbmc/cores/VideoPlayer/DVDDemuxSPU.h

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include <memory>
  12 #include <stdint.h>
  13
  14 struct AVFrame;
  15 class CDVDOverlaySpu;
  16
  17 typedef struct SPUData
  18 {
  19   uint8_t* data;
  20   unsigned int iSize; // current data size
  21   unsigned int iNeededSize; // wanted packet size
  22   unsigned int iAllocatedSize;
  23   double pts;
  24 }
  25 SPUData;
  26
  27 // upto 32 streams can exist
  28 #define DVD_MAX_SPUSTREAMS 32
  29
  30 class CDVDDemuxSPU final
  31 {
  32 public:
  33   CDVDDemuxSPU();
  34   ~CDVDDemuxSPU();
  35
  36   std::shared_ptr<CDVDOverlaySpu> AddData(
  37       uint8_t* data, int iSize, double pts); // returns a packet from ParsePacket if possible
  38
  39   std::shared_ptr<CDVDOverlaySpu> ParseRLE(std::shared_ptr<CDVDOverlaySpu> pSPU,
  40                                            uint8_t* pUnparsedData);
  41   static void FindSubtitleColor(int last_color, int stats[4], CDVDOverlaySpu& pSPU);
  42   static bool CanDisplayWithAlphas(const int a[4], const int stats[4]);
  43
  44   void Reset();
  45   void FlushCurrentPacket(); // flushes current unparsed data
  46
  47   // m_clut set by libdvdnav once in a time
  48   // color lookup table is representing 16 different yuv colors
  49   // [][0] = Y, [][1] = Cr, [][2] = Cb
  50   uint8_t m_clut[16][3];
  51   bool m_bHasClut;
  52
  53 protected:
  54   std::shared_ptr<CDVDOverlaySpu> ParsePacket(SPUData* pSPUData);
  55
  56   SPUData m_spuData;
  57 };