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/*
* $Id$
*
* (C) 2006-2010 see AUTHORS
*
* This file is part of mplayerc.
*
* Mplayerc is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Mplayerc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "BaseSub.h"
class CGolombBuffer;
class CHdmvSub : public CBaseSub
{
public:
static const REFERENCE_TIME INVALID_TIME = _I64_MIN;
enum HDMV_SEGMENT_TYPE
{
NO_SEGMENT = 0xFFFF,
PALETTE = 0x14,
OBJECT = 0x15,
PRESENTATION_SEG = 0x16,
WINDOW_DEF = 0x17,
INTERACTIVE_SEG = 0x18,
END_OF_DISPLAY = 0x80,
HDMV_SUB1 = 0x81,
HDMV_SUB2 = 0x82
};
struct VIDEO_DESCRIPTOR
{
SHORT nVideoWidth;
SHORT nVideoHeight;
BYTE bFrameRate; // <= Frame rate here!
};
struct COMPOSITION_DESCRIPTOR
{
SHORT nNumber;
BYTE bState;
};
struct SEQUENCE_DESCRIPTOR
{
BYTE bFirstIn : 1;
BYTE bLastIn : 1;
BYTE bReserved : 8;
};
CHdmvSub();
~CHdmvSub();
HRESULT ParseSample (IMediaSample* pSample);
POSITION GetStartPosition(REFERENCE_TIME rt, double fps);
POSITION GetNext(POSITION pos) { m_pObjects.GetNext(pos); return pos; };
virtual REFERENCE_TIME GetStart(POSITION nPos)
{
CompositionObject* pObject = m_pObjects.GetAt(nPos);
return pObject!=NULL ? pObject->m_rtStart : INVALID_TIME;
};
virtual REFERENCE_TIME GetStop(POSITION nPos)
{
CompositionObject* pObject = m_pObjects.GetAt(nPos);
return pObject!=NULL ? pObject->m_rtStop : INVALID_TIME;
};
void Render(SubPicDesc& spd, REFERENCE_TIME rt, RECT& bbox);
HRESULT GetTextureSize (POSITION pos, SIZE& MaxTextureSize, SIZE& VideoSize, POINT& VideoTopLeft);
void Reset();
private :
HDMV_SEGMENT_TYPE m_nCurSegment;
BYTE* m_pSegBuffer;
int m_nTotalSegBuffer;
int m_nSegBufferPos;
int m_nSegSize;
VIDEO_DESCRIPTOR m_VideoDescriptor;
CompositionObject* m_pCurrentObject;
CAtlList<CompositionObject*> m_pObjects;
HDMV_PALETTE* m_pDefaultPalette;
int m_nDefaultPaletteNbEntry;
int m_nColorNumber;
int ParsePresentationSegment(CGolombBuffer* pGBuffer);
void ParsePalette(CGolombBuffer* pGBuffer, USHORT nSize);
void ParseObject(CGolombBuffer* pGBuffer, USHORT nUnitSize);
void ParseVideoDescriptor(CGolombBuffer* pGBuffer, VIDEO_DESCRIPTOR* pVideoDescriptor);
void ParseCompositionDescriptor(CGolombBuffer* pGBuffer, COMPOSITION_DESCRIPTOR* pCompositionDescriptor);
void ParseCompositionObject(CGolombBuffer* pGBuffer, CompositionObject* pCompositionObject);
void AllocSegment(int nSize);
CompositionObject* FindObject(REFERENCE_TIME rt);
};
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