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/*
* (C) 2009-2014 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"
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;
BYTE version_number;
BYTE size;
HDMV_PALETTE palette[256];
DVB_CLUT()
: id(0)
, version_number(0)
, size(0) {
ZeroMemory(palette, sizeof(palette));
}
};
struct DVB_DISPLAY {
BYTE version_number;
BYTE display_window_flag;
short width;
short height;
short horizontal_position_minimun;
short horizontal_position_maximum;
short vertical_position_minimun;
short vertical_position_maximum;
DVB_DISPLAY()
// Default value (section 5.1.3)
: version_number(0)
, display_window_flag(0)
, width(720)
, height(576)
, horizontal_position_minimun(0)
, horizontal_position_maximum(0)
, vertical_position_minimun(0)
, vertical_position_maximum(0) {
}
};
struct DVB_OBJECT {
short object_id;
BYTE object_type;
BYTE object_provider_flag;
short object_horizontal_position;
short object_vertical_position;
BYTE foreground_pixel_code;
BYTE background_pixel_code;
DVB_OBJECT()
: object_id(0xFF)
, object_type(0)
, object_provider_flag(0)
, object_horizontal_position(0)
, object_vertical_position(0)
, foreground_pixel_code(0)
, background_pixel_code(0) {
}
};
struct DVB_REGION_POS {
BYTE id;
WORD horizAddr;
WORD vertAddr;
DVB_REGION_POS()
: id(0)
, horizAddr(0)
, vertAddr(0) {
}
};
struct DVB_REGION {
BYTE id;
BYTE version_number;
BYTE fill_flag;
WORD width;
WORD height;
BYTE level_of_compatibility;
BYTE depth;
BYTE CLUT_id;
BYTE _8_bit_pixel_code;
BYTE _4_bit_pixel_code;
BYTE _2_bit_pixel_code;
CAtlList<DVB_OBJECT> objects;
DVB_REGION()
: id(0)
, version_number(0)
, fill_flag(0)
, width(0)
, height(0)
, level_of_compatibility(0)
, depth(0)
, CLUT_id(0)
, _8_bit_pixel_code(0)
, _4_bit_pixel_code(0)
, _2_bit_pixel_code(0) {
}
DVB_REGION(const CDVBSub::DVB_REGION& region)
: id(region.id)
, version_number(region.version_number)
, fill_flag(region.fill_flag)
, width(region.width)
, height(region.height)
, level_of_compatibility(region.level_of_compatibility)
, depth(region.depth)
, CLUT_id(region.CLUT_id)
, _8_bit_pixel_code(region._8_bit_pixel_code)
, _4_bit_pixel_code(region._4_bit_pixel_code)
, _2_bit_pixel_code(region._2_bit_pixel_code) {
objects.AddHeadList(®ion.objects);
}
};
class DVB_PAGE
{
public:
REFERENCE_TIME rtStart;
REFERENCE_TIME rtStop;
BYTE pageTimeOut;
BYTE pageVersionNumber;
BYTE pageState;
CAtlList<DVB_REGION_POS> regionsPos;
CAutoPtrList<DVB_REGION> regions;
CAutoPtrList<CompositionObject> objects;
CAutoPtrList<DVB_CLUT> CLUTs;
bool rendered;
DVB_PAGE()
: pageTimeOut(0)
, pageVersionNumber(0)
, pageState(0)
, rendered(false)
, rtStart(0)
, rtStop(0) {
}
};
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;
POSITION FindRegion(const CAutoPtr<DVB_PAGE>& pPage, BYTE bRegionId) const;
POSITION FindClut(const CAutoPtr<DVB_PAGE>& pPage, BYTE bClutId) const;
POSITION 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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