/xbmc/cores/dvdplayer/DVDDemuxSPU.h

 1#pragma once
 2
 3/*
 4 *      Copyright (C) 2005-2013 Team XBMC
 5 *      http://xbmc.org
 6 *
 7 *  This Program is free software; you can redistribute it and/or modify
 8 *  it under the terms of the GNU General Public License as published by
 9 *  the Free Software Foundation; either version 2, or (at your option)
10 *  any later version.
11 *
12 *  This Program is distributed in the hope that it will be useful,
13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 *  GNU General Public License for more details.
16 *
17 *  You should have received a copy of the GNU General Public License
18 *  along with XBMC; see the file COPYING.  If not, see
19 *  <http://www.gnu.org/licenses/>.
20 *
21 */
22
23#include "DVDCodecs/Video/DVDVideoCodec.h"
24#include "DVDCodecs/Overlay/DVDOverlaySpu.h"
25struct AVPicture;
26
27typedef struct SPUData
28{
29  uint8_t* data;
30  unsigned int iSize; // current data size
31  unsigned int iNeededSize; // wanted packet size
32  unsigned int iAllocatedSize;
33  double pts;
34}
35SPUData;
36
37// upto 32 streams can exist
38#define DVD_MAX_SPUSTREAMS 32
39
40class CDVDDemuxSPU
41{
42public:
43  CDVDDemuxSPU();
44  virtual ~CDVDDemuxSPU();
45
46  CDVDOverlaySpu* AddData(uint8_t* data, int iSize, double pts); // returns a packet from ParsePacket if possible
47
48  CDVDOverlaySpu* ParseRLE(CDVDOverlaySpu* pSPU, uint8_t* pUnparsedData);
49  static void FindSubtitleColor(int last_color, int stats[4], CDVDOverlaySpu* pSPU);
50  static bool CanDisplayWithAlphas(int a[4], int stats[4]);
51
52  void Reset();
53  void FlushCurrentPacket(); // flushes current unparsed data
54
55  // m_clut set by libdvdnav once in a time
56  // color lokup table is representing 16 different yuv colors
57  // [][0] = Y, [][1] = Cr, [][2] = Cb
58  uint8_t m_clut[16][3];
59  bool m_bHasClut;
60
61protected:
62  CDVDOverlaySpu* ParsePacket(SPUData* pSPUData);
63
64  SPUData m_spuData;
65};