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/*
* (C) 2009-2015 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC 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.
*
* MPC-HC 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 "RLECodedSubtitle.h"
#include "CompositionObject.h"
#include <list>
#include <memory>
class CGolombBuffer;
class CDVBSub : public CRLECodedSubtitle
{
public:
CDVBSub(CCritSec* pLock, const CString& name, LCID lcid);
~CDVBSub();
// ISubPicProvider
STDMETHODIMP_(POSITION) GetStartPosition(REFERENCE_TIME rt, double fps);
STDMETHODIMP_(POSITION) GetNext(POSITION pos);
STDMETHODIMP_(REFERENCE_TIME) GetStart(POSITION pos, double fps);
STDMETHODIMP_(REFERENCE_TIME) GetStop(POSITION pos, double fps);
STDMETHODIMP_(bool) IsAnimated(POSITION pos);
STDMETHODIMP Render(SubPicDesc& spd, REFERENCE_TIME rt, double fps, RECT& bbox);
STDMETHODIMP GetTextureSize(POSITION pos, SIZE& MaxTextureSize, SIZE& VirtualSize, POINT& VirtualTopLeft);
virtual HRESULT ParseSample(REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, BYTE* pData, size_t nLen);
virtual void EndOfStream();
virtual void Reset();
private:
// EN 300-743, table 2
enum DVB_SEGMENT_TYPE {
NO_SEGMENT = 0xFFFF,
PAGE = 0x10,
REGION = 0x11,
CLUT = 0x12,
OBJECT = 0x13,
DISPLAY = 0x14,
END_OF_DISPLAY = 0x80
};
// EN 300-743, table 6
enum DVB_OBJECT_TYPE {
OT_BASIC_BITMAP = 0x00,
OT_BASIC_CHAR = 0x01,
OT_COMPOSITE_STRING = 0x02
};
enum DVB_PAGE_STATE {
DPS_NORMAL = 0x00,
DPS_ACQUISITION = 0x01,
DPS_MODE_CHANGE = 0x02,
DPS_RESERVED = 0x03
};
struct DVB_CLUT {
BYTE id = 0;
BYTE version_number = 0;
BYTE size = 0;
std::array<HDMV_PALETTE, 256> palette;
DVB_CLUT()
: palette() {
}
};
struct DVB_DISPLAY {
// Default value (section 5.1.3)
BYTE version_number = 0;
BYTE display_window_flag = 0;
short width = 720;
short height = 576;
short horizontal_position_minimun = 0;
short horizontal_position_maximum = 0;
short vertical_position_minimun = 0;
short vertical_position_maximum = 0;
};
struct DVB_OBJECT {
short object_id = 0;
BYTE object_type = 0;
BYTE object_provider_flag = 0;
short object_horizontal_position = 0;
short object_vertical_position = 0;
BYTE foreground_pixel_code = 0;
BYTE background_pixel_code = 0;
};
struct DVB_REGION_POS {
BYTE id = 0;
WORD horizAddr = 0;
WORD vertAddr = 0;
};
struct DVB_REGION {
BYTE id = 0;
BYTE version_number = 0;
BYTE fill_flag = 0;
WORD width = 0;
WORD height = 0;
BYTE level_of_compatibility = 0;
BYTE depth = 0;
BYTE CLUT_id = 0;
BYTE _8_bit_pixel_code = 0;
BYTE _4_bit_pixel_code = 0;
BYTE _2_bit_pixel_code = 0;
std::list<DVB_OBJECT> objects;
};
using RegionList = std::list<std::unique_ptr<DVB_REGION>>;
using CompositionObjectList = std::list<std::unique_ptr<CompositionObject>>;
using ClutList = std::list<std::unique_ptr<DVB_CLUT>>;
class DVB_PAGE
{
public:
REFERENCE_TIME rtStart = 0;
REFERENCE_TIME rtStop = 0;
BYTE pageTimeOut = 0;
BYTE pageVersionNumber = 0;
BYTE pageState = 0;
std::list<DVB_REGION_POS> regionsPos;
RegionList regions;
CompositionObjectList objects;
ClutList CLUTs;
bool rendered = false;
};
size_t m_nBufferSize;
size_t m_nBufferReadPos;
size_t m_nBufferWritePos;
BYTE* m_pBuffer;
CAutoPtrList<DVB_PAGE> m_pages;
CAutoPtr<DVB_PAGE> m_pCurrentPage;
DVB_DISPLAY m_displayInfo;
HRESULT AddToBuffer(BYTE* pData, size_t nSize);
POSITION FindPage(REFERENCE_TIME rt) const;
RegionList::const_iterator FindRegion(const CAutoPtr<DVB_PAGE>& pPage, BYTE bRegionId) const;
ClutList::const_iterator FindClut(const CAutoPtr<DVB_PAGE>& pPage, BYTE bClutId) const;
CompositionObjectList::const_iterator FindObject(const CAutoPtr<DVB_PAGE>& pPage, short sObjectId) const;
HRESULT ParsePage(CGolombBuffer& gb, WORD wSegLength, CAutoPtr<DVB_PAGE>& pPage);
HRESULT ParseDisplay(CGolombBuffer& gb, WORD wSegLength);
HRESULT ParseRegion(CGolombBuffer& gb, WORD wSegLength);
HRESULT ParseClut(CGolombBuffer& gb, WORD wSegLength);
HRESULT ParseObject(CGolombBuffer& gb, WORD wSegLength);
HRESULT EnqueuePage(REFERENCE_TIME rtStop);
HRESULT UpdateTimeStamp(REFERENCE_TIME rtStop);
void RemoveOldPages(REFERENCE_TIME rt);
};
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