C++ CGolombBuffer::BitRead方法代码示例

本文整理汇总了C++中CGolombBuffer::BitRead方法的典型用法代码示例。如果您正苦于以下问题：C++ CGolombBuffer::BitRead方法的具体用法？C++ CGolombBuffer::BitRead怎么用？C++ CGolombBuffer::BitRead使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CGolombBuffer的用法示例。

在下文中一共展示了CGolombBuffer::BitRead方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ParsePage

HRESULT CDVBSub::ParsePage(CGolombBuffer& gb, WORD wSegLength, CAutoPtr<DVB_PAGE>& pPage)
{
	HRESULT		hr		= S_OK;
	WORD		wEnd	= (WORD)gb.GetPos() + wSegLength;
	int			nPos	= 0;
	
	pPage.Attach (DNew DVB_PAGE());
	pPage->PageTimeOut			= gb.ReadByte();
	pPage->PageVersionNumber	= (BYTE)gb.BitRead(4);
	pPage->PageState			= (BYTE)gb.BitRead(2);
	pPage->RegionCount			= 0;
	gb.BitRead(2);	// Reserved
	while (gb.GetPos() < wEnd)
	{
		if (nPos < MAX_REGIONS)
		{
			pPage->Regions[nPos].Id			= gb.ReadByte();
			gb.ReadByte();	// Reserved
			pPage->Regions[nPos].HorizAddr	= gb.ReadShort();
			pPage->Regions[nPos].VertAddr	= gb.ReadShort();
			pPage->RegionCount++;
		}
		nPos++;
	}

	return S_OK;
}

开发者ID:Fluffiest，项目名称:splayer，代码行数:27，代码来源:DVBSub.cpp

示例2:

HRESULT CMpeg2DataParser::ParsePAT()
{
	HRESULT					hr;
	CComPtr<ISectionList>	pSectionList;
	DWORD					dwLength;
	PSECTION				data;
	WORD					wTSID;
	WORD					wSectionLength;

	CheckNoLog (m_pData->GetSection (PID_PAT, SI_PAT, &m_Filter, 5000, &pSectionList));
	CheckNoLog (pSectionList->GetSectionData (0, &dwLength, &data));

	CGolombBuffer	gb ((BYTE*)data, dwLength);

	// program_association_section()
	CheckNoLog (ParseSIHeader (gb, SI_PAT, wSectionLength, wTSID));
	while (gb.GetSize() - gb.GetPos() > 4) {
		WORD program_number = gb.BitRead(16);			// program_number
		gb.BitRead(3);									// reserved
		if (program_number==0) {
			gb.BitRead(13);    // network_PID
		} else {
			WORD program_map_PID = gb.BitRead(13);			// program_map_PID
			if (Channels.Lookup(program_number)) {
				Channels [program_number].SetPMT (program_map_PID);
				ParsePMT (Channels [program_number]);
			}
		}
	}

	return S_OK;
}

开发者ID:Samangan，项目名称:mpc-hc，代码行数:32，代码来源:Mpeg2SectionData.cpp

示例3: ParseObject

HRESULT CDVBSub::ParseObject(CGolombBuffer& gb, WORD wSegLength)
{
    HRESULT hr = E_FAIL;

    if (m_pCurrentPage && wSegLength > 2) {
        CompositionObject* pObject = DNew CompositionObject();
        BYTE object_coding_method;

        pObject->m_object_id_ref  = gb.ReadShort();
        pObject->m_version_number = (BYTE)gb.BitRead(4);

        object_coding_method = (BYTE)gb.BitRead(2); // object_coding_method
        gb.BitRead(1);  // non_modifying_colour_flag
        gb.BitRead(1);  // reserved

        if (object_coding_method == 0x00) {
            pObject->SetRLEData(gb.GetBufferPos(), wSegLength - 3, wSegLength - 3);
            gb.SkipBytes(wSegLength - 3);
            m_pCurrentPage->Objects.AddTail(pObject);
            hr = S_OK;
        } else {
            delete pObject;
            hr = E_NOTIMPL;
        }
    }


    return hr;
}

开发者ID:finalpatch，项目名称:mpc-hc，代码行数:29，代码来源:DVBSub.cpp

示例4: while

void CompositionObject::Dvb4PixelsCodeString(SubPicDesc& spd, CGolombBuffer& gb, short& nX, short& nY)
{
    bool bQuit = false;

    while (!bQuit && !gb.IsEOF()) {
        short nCount = 0;
        BYTE nPaletteIndex = 0;
        BYTE bTemp = (BYTE)gb.BitRead(4);
        if (bTemp != 0) {
            nPaletteIndex = bTemp;
            nCount = 1;
        } else {
            if (gb.BitRead(1) == 0) {                               // switch_1
                nCount = (short)gb.BitRead(3);                      // run_length_3-9
                if (nCount != 0) {
                    nCount += 2;
                } else {
                    bQuit = true;
                }
            } else {
                if (gb.BitRead(1) == 0) {                           // switch_2
                    nCount = 4 + (short)gb.BitRead(2);              // run_length_4-7
                    nPaletteIndex = (BYTE)gb.BitRead(4);            // 4-bit_pixel-code
                } else {
                    switch (gb.BitRead(2)) {                        // switch_3
                        case 0:
                            nCount = 1;
                            break;
                        case 1:
                            nCount = 2;
                            break;
                        case 2:                                     // if (switch_3 == '10')
                            nCount = 9 + (short)gb.BitRead(4);      // run_length_9-24
                            nPaletteIndex = (BYTE)gb.BitRead(4);    // 4-bit_pixel-code
                            break;
                        case 3:
                            nCount = 25 + gb.ReadByte();            // run_length_25-280
                            nPaletteIndex = (BYTE)gb.BitRead(4);    // 4-bit_pixel-code
                            break;
                    }
                }
            }
        }

#if 0
        if (nX + nCount > m_width) {
            ASSERT(FALSE);
            break;
        }
#endif

        if (nCount > 0) {
            FillSolidRect(spd, nX, nY, nCount, 1, m_Colors[nPaletteIndex]);
            nX += nCount;
        }
    }

    gb.BitByteAlign();
}

开发者ID:EchoLiao，项目名称:mpc-hc，代码行数:59，代码来源:CompositionObject.cpp

示例5: ParseClut

HRESULT CDVBSub::ParseClut(CGolombBuffer& gb, WORD wSegLength)
{
    HRESULT hr = E_POINTER;

    if (m_pCurrentPage) {
        size_t nExpectedSize = 2;
        size_t nEnd = gb.GetPos() + wSegLength;

        BYTE id = gb.ReadByte();
        POSITION posClut = FindClut(m_pCurrentPage, id);
        if (!posClut) {
            posClut = m_pCurrentPage->CLUTs.AddTail(CAutoPtr<DVB_CLUT>(DEBUG_NEW DVB_CLUT()));
        }
        const auto& pClut = m_pCurrentPage->CLUTs.GetAt(posClut);

        pClut->id = id;
        pClut->version_number = (BYTE)gb.BitRead(4);
        gb.BitRead(4);  // Reserved

        pClut->size = 0;
        while (gb.GetPos() < nEnd) {
            nExpectedSize += 2;
            pClut->palette[pClut->size].entry_id = gb.ReadByte();

            BYTE _2_bit   = (BYTE)gb.BitRead(1);
            BYTE _4_bit   = (BYTE)gb.BitRead(1);
            BYTE _8_bit   = (BYTE)gb.BitRead(1);
            UNREFERENCED_PARAMETER(_2_bit);
            UNREFERENCED_PARAMETER(_4_bit);
            UNREFERENCED_PARAMETER(_8_bit);
            gb.BitRead(4);  // Reserved

            if (gb.BitRead(1)) {
                nExpectedSize += 4;
                pClut->palette[pClut->size].Y  = gb.ReadByte();
                pClut->palette[pClut->size].Cr = gb.ReadByte();
                pClut->palette[pClut->size].Cb = gb.ReadByte();
                pClut->palette[pClut->size].T  = 0xff - gb.ReadByte();
            } else {
                nExpectedSize += 2;
                pClut->palette[pClut->size].Y  = (BYTE)gb.BitRead(6) << 2;
                pClut->palette[pClut->size].Cr = (BYTE)gb.BitRead(4) << 4;
                pClut->palette[pClut->size].Cb = (BYTE)gb.BitRead(4) << 4;
                pClut->palette[pClut->size].T  = 0xff - ((BYTE)gb.BitRead(2) << 6);
            }
            if (!pClut->palette[pClut->size].Y) {
                pClut->palette[pClut->size].Cr = 0;
                pClut->palette[pClut->size].Cb = 0;
                pClut->palette[pClut->size].T  = 0;
            }

            pClut->size++;
        }

        hr = (wSegLength == nExpectedSize) ? S_OK : E_UNEXPECTED;
    }

    return hr;
}

开发者ID:chichalito，项目名称:mpc-hc，代码行数:59，代码来源:DVBSub.cpp

示例6: ParseClut

HRESULT CDVBSub::ParseClut(CGolombBuffer& gb, WORD wSegLength)
{
	HRESULT				hr		= S_OK;
	int					nEnd	= gb.GetPos() + wSegLength;
	BYTE				CLUT_id	= gb.ReadByte();

	if (m_pCurrentPage != NULL) {

		CDVBSub::DVB_CLUT	DummyClut;
		CDVBSub::DVB_CLUT*	pClut = FindClut(m_pCurrentPage, CLUT_id);
		if (pClut == NULL) {
			pClut = &DummyClut;
		}

		pClut->id				= CLUT_id;
		pClut->version_number	= (BYTE)gb.BitRead(4);
		gb.BitRead(4);	// Reserved

		pClut->Size = 0;
		while (gb.GetPos() < nEnd) {
			BYTE entry_id	= gb.ReadByte();
			BYTE _2_bit		= (BYTE)gb.BitRead(1);
			BYTE _4_bit		= (BYTE)gb.BitRead(1);
			BYTE _8_bit		= (BYTE)gb.BitRead(1);
			UNREFERENCED_PARAMETER(_2_bit);
			UNREFERENCED_PARAMETER(_4_bit);
			UNREFERENCED_PARAMETER(_8_bit);
			gb.BitRead(4);	// Reserved

			pClut->Palette[entry_id].entry_id = entry_id;
			if (gb.BitRead(1)) {
				pClut->Palette[entry_id].Y	= gb.ReadByte();
				pClut->Palette[entry_id].Cr	= gb.ReadByte();
				pClut->Palette[entry_id].Cb	= gb.ReadByte();
				pClut->Palette[entry_id].T	= 0xff-gb.ReadByte();
			} else {
				pClut->Palette[entry_id].Y	= (BYTE)gb.BitRead(6)<<2;
				pClut->Palette[entry_id].Cr	= (BYTE)gb.BitRead(4)<<4;
				pClut->Palette[entry_id].Cb	= (BYTE)gb.BitRead(4)<<4;
				pClut->Palette[entry_id].T	= 0xff-((BYTE)gb.BitRead(2)<<6);
			}
			if (!pClut->Palette[entry_id].Y) {
				pClut->Palette[entry_id].Cr	= 0;
				pClut->Palette[entry_id].Cb	= 0;
				pClut->Palette[entry_id].T	= 0;
			}

			pClut->Size = max (pClut->Size, entry_id + 1);
		}

		if (DummyClut.Size) {
			m_pCurrentPage->Clut.AddTail(DummyClut);
		}
	}	

	return hr;
}

开发者ID:chinajeffery，项目名称:MPC-BE--1.2.3，代码行数:57，代码来源:DVBSub.cpp

示例7: while

void CompositionObject::Dvb2PixelsCodeString(SubPicDesc& spd, CGolombBuffer& gb, short& nX, short& nY)
{
    BYTE  bTemp;
    BYTE  nPaletteIndex = 0;
    short nCount;
    bool  bQuit = false;

    while (!bQuit && !gb.IsEOF()) {
        nCount = 0;
        nPaletteIndex = 0;
        bTemp = (BYTE)gb.BitRead(2);
        if (bTemp != 0) {
            nPaletteIndex = bTemp;
            nCount = 1;
        } else {
            if (gb.BitRead(1) == 1) {                               // switch_1
                nCount = 3 + (short)gb.BitRead(3);                  // run_length_3-9
                nPaletteIndex = (BYTE)gb.BitRead(2);
            } else {
                if (gb.BitRead(1) == 0) {                           // switch_2
                    switch (gb.BitRead(2)) {                        // switch_3
                        case 0:
                            bQuit = true;
                            break;
                        case 1:
                            nCount = 2;
                            break;
                        case 2:                                     // if (switch_3 == '10')
                            nCount = 12 + (short)gb.BitRead(4);     // run_length_12-27
                            nPaletteIndex = (BYTE)gb.BitRead(2);    // 4-bit_pixel-code
                            break;
                        case 3:
                            nCount = 29 + gb.ReadByte();            // run_length_29-284
                            nPaletteIndex = (BYTE)gb.BitRead(2);    // 4-bit_pixel-code
                            break;
                    }
                } else {
                    nCount = 1;
                }
            }
        }

        if (nX + nCount > m_width) {
            ASSERT(FALSE);
            break;
        }

        if (nCount > 0) {
            FillSolidRect(spd, nX, nY, nCount, 1, m_Colors[nPaletteIndex]);
            nX += nCount;
        }
    }

    gb.BitByteAlign();
}

开发者ID:Cyberbeing，项目名称:xy-VSFilter，代码行数:55，代码来源:CompositionObject.cpp

示例8: ParseDisplay

HRESULT CDVBSub::ParseDisplay(CGolombBuffer& gb, WORD wSegLength)
{
    m_Display.version_number = (BYTE)gb.BitRead(4);
    m_Display.display_window_flag = (BYTE)gb.BitRead(1);
    gb.BitRead(3);  // reserved
    m_Display.width = gb.ReadShort();
    m_Display.height = gb.ReadShort();
    if (m_Display.display_window_flag) {
        m_Display.horizontal_position_minimun = gb.ReadShort();
        m_Display.horizontal_position_maximum = gb.ReadShort();
        m_Display.vertical_position_minimun = gb.ReadShort();
        m_Display.vertical_position_maximum = gb.ReadShort();
    }

    return S_OK;
}

开发者ID:finalpatch，项目名称:mpc-hc，代码行数:16，代码来源:DVBSub.cpp

示例9: while

void CompositionObject::Dvb8PixelsCodeString(SubPicDesc& spd, CGolombBuffer& gb, SHORT& nX, SHORT& nY)
{
    BYTE			bTemp;
    BYTE			nPaletteIndex = 0;
    SHORT			nCount;
    bool			bQuit	= false;

    while(!bQuit && !gb.IsEOF())
    {
        nCount			= 0;
        nPaletteIndex	= 0;
        bTemp			= gb.ReadByte();
        if(bTemp != 0)
        {
            nPaletteIndex = bTemp;
            nCount		  = 1;
        }
        else
        {
            if(gb.BitRead(1) == 0)								// switch_1
            {
                nCount = (SHORT)gb.BitRead(7);					// run_length_1-127
                if(nCount == 0)
                    bQuit = true;
            }
            else
            {
                nCount			= (SHORT)gb.BitRead(7);			// run_length_3-127
                nPaletteIndex	= gb.ReadByte();
            }
        }

        if(nX + nCount > m_width)
        {
            ASSERT(FALSE);
            break;
        }

        if(nCount > 0)
        {
            FillSolidRect(spd, nX, nY, nCount, 1, m_Colors[nPaletteIndex]);
            nX += nCount;
        }
    }

    gb.BitByteAlign();
}

开发者ID:AlexsandroAG，项目名称:vsfiltermod，代码行数:47，代码来源:CompositionObject.cpp

示例10: ParseDisplay

HRESULT CDVBSub::ParseDisplay(CGolombBuffer& gb, WORD wSegLength)
{
    int nExpectedSize = 5;

    m_displayInfo.version_number = (BYTE)gb.BitRead(4);
    m_displayInfo.display_window_flag = (BYTE)gb.BitRead(1);
    gb.BitRead(3);  // reserved
    m_displayInfo.width = gb.ReadShort() + 1;
    m_displayInfo.height = gb.ReadShort() + 1;
    if (m_displayInfo.display_window_flag) {
        nExpectedSize += 8;
        m_displayInfo.horizontal_position_minimun = gb.ReadShort();
        m_displayInfo.horizontal_position_maximum = gb.ReadShort();
        m_displayInfo.vertical_position_minimun = gb.ReadShort();
        m_displayInfo.vertical_position_maximum = gb.ReadShort();
    }

    return (wSegLength == nExpectedSize) ? S_OK : E_UNEXPECTED;
}

开发者ID:chichalito，项目名称:mpc-hc，代码行数:19，代码来源:DVBSub.cpp

示例11: HrdParameters

int HrdParameters(CGolombBuffer& gb)
{
    UINT64 cnt = gb.UExpGolombRead();	// cpb_cnt_minus1
    if (cnt > 32U) {
        return -1;
    }
    gb.BitRead(4);							// bit_rate_scale
    gb.BitRead(4);							// cpb_size_scale

    for (unsigned int i = 0; i <= cnt; i++ ) {
        gb.UExpGolombRead();				// bit_rate_value_minus1
        gb.UExpGolombRead();				// cpb_size_value_minus1
        gb.BitRead(1);						// cbr_flag
    }

    gb.BitRead(5);							// initial_cpb_removal_delay_length_minus1
    gb.BitRead(5);							// cpb_removal_delay_length_minus1
    gb.BitRead(5);							// dpb_output_delay_length_minus1
    gb.BitRead(5);							// time_offset_length

    return 0;
}

开发者ID:WinnerSoftLab，项目名称:WinnerMediaPlayer，代码行数:22，代码来源:VideoParser.cpp

示例12: ParseClut

HRESULT CDVBSub::ParseClut(CGolombBuffer& gb, WORD wSegLength)
{
	HRESULT				hr		= S_OK;
	WORD				wEnd	= (WORD)gb.GetPos() + wSegLength;
	CDVBSub::DVB_CLUT*	pClut;

	pClut	= FindClut (m_pCurrentPage, gb.ReadByte());
//	ASSERT (pClut != NULL);
	if (pClut != NULL)
	{
		pClut->version_number	= (BYTE)gb.BitRead(4);
		gb.BitRead(4);	// Reserved

		pClut->Size = 0;
		while (gb.GetPos() < wEnd)
		{
			BYTE entry_id	= gb.ReadByte()+1;
			BYTE _2_bit		= (BYTE)gb.BitRead(1);
			BYTE _4_bit		= (BYTE)gb.BitRead(1);
			BYTE _8_bit		= (BYTE)gb.BitRead(1);
			gb.BitRead(4);	// Reserved
			
			pClut->Palette[entry_id].entry_id = entry_id;
			if (gb.BitRead(1))
			{
				pClut->Palette[entry_id].Y	= gb.ReadByte();
				pClut->Palette[entry_id].Cr	= gb.ReadByte();
				pClut->Palette[entry_id].Cb	= gb.ReadByte();
				pClut->Palette[entry_id].T	= 255-gb.ReadByte();
			}
			else
			{
				pClut->Palette[entry_id].Y	= (BYTE)gb.BitRead(6)<<2;
				pClut->Palette[entry_id].Cr	= (BYTE)gb.BitRead(4)<<4;
				pClut->Palette[entry_id].Cb	= (BYTE)gb.BitRead(4)<<4;
				pClut->Palette[entry_id].T	= 255-((BYTE)gb.BitRead(2)<<6);
			}
			pClut->Size = max (pClut->Size, entry_id);
		}
	}

	return hr;
}

开发者ID:Fluffiest，项目名称:splayer，代码行数:43，代码来源:DVBSub.cpp

示例13: ParsePage

HRESULT CDVBSub::ParsePage(CGolombBuffer& gb, WORD wSegLength, CAutoPtr<DVB_PAGE>& pPage)
{
    size_t nExpectedSize = 2;
    size_t nEnd = gb.GetPos() + wSegLength;

    pPage = CAutoPtr<DVB_PAGE>(DEBUG_NEW DVB_PAGE());

    pPage->pageTimeOut = gb.ReadByte();
    pPage->pageVersionNumber = (BYTE)gb.BitRead(4);
    pPage->pageState = (BYTE)gb.BitRead(2);
    gb.BitRead(2);  // Reserved
    while (gb.GetPos() < nEnd) {
        nExpectedSize += 6;
        DVB_REGION_POS regionPos;
        regionPos.id = gb.ReadByte();
        gb.ReadByte();  // Reserved
        regionPos.horizAddr = gb.ReadShort();
        regionPos.vertAddr = gb.ReadShort();
        pPage->regionsPos.AddTail(regionPos);
    }

    return (wSegLength == nExpectedSize) ? S_OK : E_UNEXPECTED;
}

开发者ID:chichalito，项目名称:mpc-hc，代码行数:23，代码来源:DVBSub.cpp

示例14: for

HRESULT CMpeg2DataParser::ParsePMT(CDVBChannel& Channel)
{
	HRESULT					hr;
	CComPtr<ISectionList>	pSectionList;
	DWORD					dwLength;
	PSECTION				data;
	WORD					wTSID;
	WORD					wSectionLength;

	CheckNoLog (m_pData->GetSection (Channel.GetPMT(), SI_PMT, &m_Filter, 5000, &pSectionList));
	CheckNoLog (pSectionList->GetSectionData (0, &dwLength, &data));

	CGolombBuffer	gb ((BYTE*)data, dwLength);

	// TS_program_map_section()
	CheckNoLog (ParseSIHeader (gb, SI_PMT, wSectionLength, wTSID));

	gb.BitRead(3);												// reserved
	Channel.SetPCR (gb.BitRead(13));							// PCR_PID
	gb.BitRead(4);												// reserved
	BeginEnumDescriptors(gb, nType, nLength) {				// for (i=0;i<N;i++) {
		SkipDescriptor (gb, nType, nLength);					//		descriptor()
	}

开发者ID:Samangan，项目名称:mpc-hc，代码行数:23，代码来源:Mpeg2SectionData.cpp

示例15: ParseObject

HRESULT CDVBSub::ParseObject(CGolombBuffer& gb, WORD wSegLength)
{
    HRESULT hr = E_POINTER;

    if (m_pCurrentPage) {
        size_t nExpectedSize = 3;
        size_t nEnd = gb.GetPos() + wSegLength;

        short id = gb.ReadShort();
        POSITION posObject = FindObject(m_pCurrentPage, id);
        if (!posObject) {
            posObject = m_pCurrentPage->objects.AddTail(CAutoPtr<CompositionObject>(DEBUG_NEW CompositionObject()));
        }
        const auto& pObject = m_pCurrentPage->objects.GetAt(posObject);

        pObject->m_object_id_ref  = id;
        pObject->m_version_number = (BYTE)gb.BitRead(4);

        BYTE object_coding_method = (BYTE)gb.BitRead(2); // object_coding_method
        gb.BitRead(1);  // non_modifying_colour_flag
        gb.BitRead(1);  // reserved

        if (object_coding_method == 0x00) {
            pObject->SetRLEData(gb.GetBufferPos(), wSegLength - nExpectedSize, wSegLength - nExpectedSize);
            gb.SkipBytes(wSegLength - 3);

            hr = (wSegLength >= nExpectedSize) ? S_OK : E_UNEXPECTED;
        } else {
            TRACE_DVB(_T("DVB - Text subtitles are currently not supported\n"));
            m_pCurrentPage->objects.RemoveTail();
            hr = E_NOTIMPL;
        }
    }

    return hr;
}

开发者ID:chichalito，项目名称:mpc-hc，代码行数:36，代码来源:DVBSub.cpp

注：本文中的CGolombBuffer::BitRead方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。