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/*
* (C) 2006-2014 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"
#include <thread>
class CGolombBuffer;
class CPGSSub : public CRLECodedSubtitle
{
public:
CPGSSub(CCritSec* pLock, const CString& name, LCID lcid);
virtual ~CPGSSub();
// 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() { /* Nothing to do */ };
virtual void Reset();
protected:
HRESULT Render(SubPicDesc& spd, REFERENCE_TIME rt, RECT& bbox, bool bRemoveOldSegments);
private:
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 {
int nVideoWidth;
int nVideoHeight;
BYTE bFrameRate;
};
struct COMPOSITION_DESCRIPTOR {
short nNumber;
BYTE bState;
};
struct SEQUENCE_DESCRIPTOR {
BYTE bFirstIn : 1;
BYTE bLastIn : 1;
BYTE bReserved : 6;
};
struct HDMV_CLUT {
BYTE id;
BYTE version_number;
BYTE size;
HDMV_PALETTE palette[256];
HDMV_CLUT()
: id(0)
, version_number(0)
, size(0) {
ZeroMemory(palette, sizeof(palette));
}
};
struct HDMV_PRESENTATION_SEGMENT {
REFERENCE_TIME rtStart;
REFERENCE_TIME rtStop;
VIDEO_DESCRIPTOR video_descriptor;
COMPOSITION_DESCRIPTOR composition_descriptor;
byte palette_update_flag;
HDMV_CLUT CLUT;
int objectCount;
CAutoPtrList<CompositionObject> objects;
};
HDMV_SEGMENT_TYPE m_nCurSegment;
BYTE* m_pSegBuffer;
size_t m_nTotalSegBuffer;
size_t m_nSegBufferPos;
size_t m_nSegSize;
CAutoPtr<HDMV_PRESENTATION_SEGMENT> m_pCurrentPresentationSegment;
CAutoPtrList<HDMV_PRESENTATION_SEGMENT> m_pPresentationSegments;
HDMV_CLUT m_CLUTs[256];
CompositionObject m_compositionObjects[64];
void AllocSegment(size_t nSize);
int ParsePresentationSegment(REFERENCE_TIME rt, CGolombBuffer* pGBuffer);
void EnqueuePresentationSegment();
void UpdateTimeStamp(REFERENCE_TIME rtStop);
void ParsePalette(CGolombBuffer* pGBuffer, size_t nSize);
void ParseObject(CGolombBuffer* pGBuffer, size_t nUnitSize);
void ParseVideoDescriptor(CGolombBuffer* pGBuffer, VIDEO_DESCRIPTOR* pVideoDescriptor);
void ParseCompositionDescriptor(CGolombBuffer* pGBuffer, COMPOSITION_DESCRIPTOR* pCompositionDescriptor);
void ParseCompositionObject(CGolombBuffer* pGBuffer, const CAutoPtr<CompositionObject>& pCompositionObject);
POSITION FindPresentationSegment(REFERENCE_TIME rt) const;
void RemoveOldSegments(REFERENCE_TIME rt);
};
class CPGSSubFile : public CPGSSub
{
public:
CPGSSubFile(CCritSec* pLock);
virtual ~CPGSSubFile();
// ISubPicProvider
STDMETHODIMP Render(SubPicDesc& spd, REFERENCE_TIME rt, double fps, RECT& bbox);
bool Open(CString fn, CString name = _T(""), CString videoName = _T(""));
private:
static const WORD PGS_SYNC_CODE = 'PG';
bool m_bStopParsing;
std::thread m_parsingThread;
void ParseFile(CString fn);
};
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