src/subtitles/CompositionObject.h

   1 /*
   2  * $Id: CompositionObject.h 3720 2011-09-12 00:30:00Z aleksoid $
   3  *
   4  * (C) 2006-2010 see AUTHORS
   5  *
   6  * This file is part of mplayerc.
   7  *
   8  * Mplayerc is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * Mplayerc is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23
  24 #pragma once
  25
  26 #include "Rasterizer.h"
  27
  28
  29 struct HDMV_PALETTE {
  30         BYTE            entry_id;
  31         BYTE            Y;
  32         BYTE            Cr;
  33         BYTE            Cb;
  34         BYTE            T;              // HDMV rule : 0 transparent, 255 opaque (compatible DirectX)
  35 };
  36
  37 class CGolombBuffer;
  38
  39 class CompositionObject : Rasterizer
  40 {
  41 public :
  42         SHORT                           m_object_id_ref;
  43         BYTE                            m_window_id_ref;
  44         bool                            m_object_cropped_flag;
  45         bool                            m_forced_on_flag;
  46         BYTE                            m_version_number;
  47         BYTE                            m_nObjectNumber;
  48
  49         SHORT                           m_horizontal_position;
  50         SHORT                           m_vertical_position;
  51         SHORT                           m_width;
  52         SHORT                           m_height;
  53
  54         SHORT                           m_cropping_horizontal_position;
  55         SHORT                           m_cropping_vertical_position;
  56         SHORT                           m_cropping_width;
  57         SHORT                           m_cropping_height;
  58
  59         REFERENCE_TIME          m_rtStart;
  60         REFERENCE_TIME          m_rtStop;
  61
  62         CompositionObject();
  63         ~CompositionObject();
  64
  65         void                            SetRLEData(BYTE* pBuffer, int nSize, int nTotalSize);
  66         void                            AppendRLEData(BYTE* pBuffer, int nSize);
  67         int                                     GetRLEDataSize()  {
  68                 return m_nRLEDataSize;
  69         };
  70         bool                            IsRLEComplete() {
  71                 return m_nRLEPos >= m_nRLEDataSize;
  72         };
  73         void                            RenderHdmv(SubPicDesc& spd);
  74         void                            RenderDvb(SubPicDesc& spd, SHORT nX, SHORT nY);
  75         void                            WriteSeg (SubPicDesc& spd, SHORT nX, SHORT nY, SHORT nCount, SHORT nPaletteIndex);
  76         void                            SetPalette (int nNbEntry, HDMV_PALETTE* pPalette, bool bIsHD);
  77         void                            SetPalette (int nNbEntry, DWORD* dwColors);
  78         bool                            HavePalette() {
  79                 return m_nColorNumber>0;
  80         };
  81
  82 private :
  83         BYTE*           m_pRLEData;
  84         int                     m_nRLEDataSize;
  85         int                     m_nRLEPos;
  86         int                     m_nColorNumber;
  87         DWORD           m_Colors[256];
  88
  89         void            DvbRenderField(SubPicDesc& spd, CGolombBuffer& gb, SHORT nXStart, SHORT nYStart, SHORT nLength);
  90         void            Dvb2PixelsCodeString(SubPicDesc& spd, CGolombBuffer& gb, SHORT& nX, SHORT& nY);
  91         void            Dvb4PixelsCodeString(SubPicDesc& spd, CGolombBuffer& gb, SHORT& nX, SHORT& nY);
  92         void            Dvb8PixelsCodeString(SubPicDesc& spd, CGolombBuffer& gb, SHORT& nX, SHORT& nY);
  93 };