C++ Skip_XX函数代码示例

//---------------------------------------------------------------------------
// Packet "B3" or "B6"
void File_AvsV::picture_start()
{
    //Counting
    if (File_Offset+Buffer_Offset+Element_Size==File_Size)
        Frame_Count_Valid=Frame_Count; //Finalize frames in case of there are less than Frame_Count_Valid frames
    Frame_Count++;

    //Name
    Element_Name("picture_start");
    Element_Info1(Ztring::ToZtring(Frame_Count));
    Element_Info1C((Element_Code==0xB3), __T("I"));

    //Parsing
    int8u picture_coding_type=(int8u)-1;
    bool time_code_flag, progressive_frame, picture_structure=true, top_field_first, repeat_first_field, skip_mode_flag=false, loop_filter_disable;
    Skip_B2(                                                    "bbv_delay");
    BS_Begin();
    if (Element_Code==0xB3) //Only I
    {
        Get_SB (    time_code_flag,                             "time_code_flag");
        if (time_code_flag)
        {
            Skip_SB(                                            "time_code_dropframe");
            Skip_S1(5,                                          "time_code_hours");
            Skip_S1(6,                                          "time_code_minutes");
            Skip_S1(6,                                          "time_code_seconds");
            Skip_S1(6,                                          "time_code_pictures");
        }
    }
    if (Element_Code==0xB6) //Only P or B
    {
        Get_S1 ( 2, picture_coding_type,                        "picture_coding_type"); Element_Info1(AvsV_picture_coding_type[picture_coding_type]);
    }
    Skip_S1( 8,                                                 "picture_distance");
    if (low_delay)
        Skip_UE(                                                "bbv_check_times");
    Get_SB (    progressive_frame,                              "progressive_frame");
    if (!progressive_frame)
    {
        Get_SB(    picture_structure,                           "picture_structure");
        if (Element_Code==0xB6) //Only P or B
        {
            if (picture_structure)
                Skip_SB(                                        "advanced_pred_mode_disable");
        }
    }
    Get_SB (    top_field_first,                                "top_field_first");
    Get_SB (    repeat_first_field,                             "repeat_first_field");
    Skip_SB(                                                    "fixed_picture_qp");
    Skip_S1( 6,                                                 "picture_qp");
    if (Element_Code==0xB3) //Only I
    {
        if (!progressive_frame && !picture_structure)
            Get_SB(    skip_mode_flag,                          "skip_mode_flag");
    }
    if (Element_Code==0xB6) //Only P or B
    {
        if (picture_coding_type!=2 || !picture_structure)
            Skip_SB(                                            "picture_reference_flag");
    }
    Skip_SB(                                                    "reserved");
    Skip_SB(                                                    "reserved");
    Skip_SB(                                                    "reserved");
    Skip_SB(                                                    "reserved");
    if (Element_Code==0xB6) //Only P or B
    {
        Get_SB(    skip_mode_flag,                              "skip_mode_flag");
    }
    Get_SB (    loop_filter_disable,                            "loop_filter_disable");
    if (!loop_filter_disable)
    {
        bool loop_filter_parameter_flag;
        Get_SB (    loop_filter_parameter_flag,                 "loop_filter_parameter_flag");
        if (loop_filter_parameter_flag)
        {
            Skip_SE(                                            "alpha_c_offset");
            Skip_SE(                                            "beta_offset");
        }
    }
    BS_End();

    if (Element_Size-Element_Offset)
        Skip_XX(Element_Size-Element_Offset,                    "Unknown");

    FILLING_BEGIN();
        if (progressive_frame==false)
        {
            if (picture_structure==true)           //Frame
            {
                if (top_field_first)
                    Interlaced_Top++;
                else
                    Interlaced_Bottom++;
            }
        }
        else
            progressive_frame_Count++;

//.........这里部分代码省略.........

//---------------------------------------------------------------------------
void File_Flic::FileHeader_Parse()
{
    //Parsing
    int32u DelayBetweenFrames;
    int16u Type, Frames, Width, Height, BitsPerPixel, AspectX=0, AspectY=0;
    Skip_L4(                                                    "Size of FLIC including this header");
    Get_L2 (Type,                                               "File type");
    Get_L2 (Frames,                                             "Number of frames in first segment");
    Get_L2 (Width,                                              "Width");
    Get_L2 (Height,                                             "Height");
    Get_L2 (BitsPerPixel,                                       "Bits per pixel");
    Skip_L2(                                                    "Flags");
    Get_L4 (DelayBetweenFrames,                                 "Delay between frames");
    if (Type!=0xAF11)
    {
        Skip_L2(                                                "Reserved");
        Skip_L4(                                                "Date of Creation)");
        Skip_L4(                                                "Serial number or compiler id");
        Skip_L4(                                                "Date of FLIC update");
        Skip_L4(                                                "Serial number");
        Get_L2 (AspectX,                                        "Width of square rectangle");
        Get_L2 (AspectY,                                        "Height of square rectangle");
    }
    else
        Skip_XX(22,                                             "Reserved");
    Skip_L2(                                                    "EGI: flags for specific EGI extensions");
    Skip_L2(                                                    "EGI: key-image frequency");
    Skip_L2(                                                    "EGI: total number of frames (segments)");
    Skip_L4(                                                    "EGI: maximum chunk size (uncompressed)");
    Skip_L2(                                                    "EGI: max. number of regions in a CHK_REGION chunk");
    Skip_L2(                                                    "EGI: number of transparent levels");
    if (Type!=0xAF11)
    {
        Skip_XX(24,                                             "Reserved");
        Skip_L4(                                                "Offset to frame 1");
        Skip_L4(                                                "Offset to frame 2");
        Skip_XX(40,                                             "Reserved");
    }
    else
        Skip_XX(72,                                             "Reserved");

    //Filling
    FILLING_BEGIN();
        switch (Type)
        {
            case 0xAF11 :
            case 0xAF12 :
            case 0xAF30 :
            case 0xAF31 :
            case 0xAF44 :
                            break;
            default     :
                            Reject("FLIC");
                            return;
        }

        //Filling
        Accept("FLIC");

        Fill(Stream_General, 0, General_Format, "FLIC");

        Stream_Prepare(Stream_Video);
        if (Type==0xAF11)
        {
            Fill(Stream_Video, 0, Video_Format, "FLI");
            Fill(Stream_Video, 0, Video_Codec, "FLI");
            if (DelayBetweenFrames)
            {
                Fill(Stream_Video, StreamPos_Last, Video_FrameRate, 1000.0/(DelayBetweenFrames*70)); //multiple of 1/70 per frame
                Fill(Stream_Video, 0, Video_Duration, Frames*DelayBetweenFrames*70);
            }
        }
        else
        {
            Fill(Stream_Video, 0, Video_Format, "FLC");
            Fill(Stream_Video, 0, Video_Codec, "FLC");
            if (DelayBetweenFrames)
            {
                Fill(Stream_Video, StreamPos_Last, Video_FrameRate, 1000.0/DelayBetweenFrames); //ms per frame
                Fill(Stream_Video, 0, Video_Duration, Frames*DelayBetweenFrames);
            }
            if (AspectY>0)
                Fill(Stream_Video, StreamPos_Last, Video_DisplayAspectRatio, AspectX/AspectY, 3, true);
        }
        Fill(Stream_Video, 0, Video_FrameCount, Frames);
        Fill(Stream_Video, StreamPos_Last, Video_Width, Width);
        Fill(Stream_Video, StreamPos_Last, Video_Height, Height);
        Fill(Stream_Video, 0, Video_BitDepth, (BitsPerPixel%3)?BitsPerPixel:(BitsPerPixel/3), 10, true); //If not a multiple of 3, the total resolution is filled
        //No more need data
        Finish("FLIC");
    FILLING_END();
}

//---------------------------------------------------------------------------
void File_Jpeg::QCD()
{
    //Parsing
    Skip_B1(                                                    "Sqcd - Style");
    Skip_XX(Element_Size-Element_Offset,                        "QCD data");
}

//---------------------------------------------------------------------------
void File_Dirac::Reserved()
{
    Element_Name("Reserved");

    Skip_XX(Element_Size,                                       "Unknown");
}

//---------------------------------------------------------------------------
void File_DvbSubtitle::reserved_for_future_use()
{
    Element_Name("reserved for future use");

    Skip_XX(Element_Size,                                       "Data");
}

//---------------------------------------------------------------------------
void File_ScreamTracker3::Read_Buffer_Continue()
{
    //Parsing
    Ztring SongName;
    int16u OrdNum, InsNum, PatNum, Flags, Special;
    int8u  SoftwareVersionMajor, SoftwareVersionMinor, IS, TS;
    Get_Local(28, SongName,                                     "Song name");
    Skip_L1(                                                    "0x1A");
    Skip_L1(                                                    "Type");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Get_L2 (OrdNum,                                             "Orders count");
    Get_L2 (InsNum,                                             "Instruments count");
    Get_L2 (PatNum,                                             "Paterns count");
    Get_L2 (Flags,                                              "Flags");
        Skip_Flags(Flags, 0,                                    "st2vibrato");
        Skip_Flags(Flags, 1,                                    "st2tempo");
        Skip_Flags(Flags, 2,                                    "amigaslides");
        Skip_Flags(Flags, 3,                                    "0vol optimizations");
        Skip_Flags(Flags, 4,                                    "amiga limits");
        Skip_Flags(Flags, 5,                                    "enable filter/sfx with sb");
        Skip_Flags(Flags, 6,                                    "st3.00 volumeslides");
        Skip_Flags(Flags, 7,                                    "pecial custom data in file");
    Get_L1 (SoftwareVersionMajor,                               "Cwt/v (Major)");
    Get_L1 (SoftwareVersionMinor,                               "Cwt/v (Minor)");
    Skip_L2(                                                    "File format information");
    Skip_B4(                                                    "Signature");
    Skip_L1(                                                    "global volume");
    Get_L1 (IS,                                                 "Initial Speed");
    Get_L1 (TS,                                                 "Initial Temp");
    Skip_L1(                                                    "master volume");
    Skip_L1(                                                    "ultra click removal");
    Skip_L1(                                                    "Default channel pan positions are present");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Get_L2 (Special,                                            "Special");
    Skip_XX(32,                                                 "Channel settings");
    Skip_XX(OrdNum,                                             "Orders");
    Skip_XX(InsNum*2,                                           "Instruments");
    Skip_XX(PatNum*2,                                           "Patterns");

    FILLING_BEGIN();
        Accept("Scream Tracker 3");

        Fill(Stream_General, 0, General_Format, "Scream Tracker 3");
        Fill(Stream_General, 0, General_Track, SongName);
        if ((SoftwareVersionMajor&0xF0)==0x10)
            Fill(Stream_General, 0, General_Encoded_Application, Ztring(__T("Scream Tracker ")+Ztring::ToZtring(SoftwareVersionMajor)+__T(".")+Ztring::ToZtring(SoftwareVersionMinor/16)+Ztring::ToZtring(SoftwareVersionMinor%16)));
        Fill(Stream_General, 0, "BPM", TS);

        Stream_Prepare(Stream_Audio);

        Finish("Scream Tracker 3");
    FILLING_END();

}

//---------------------------------------------------------------------------
void File_Ivf::FileHeader_Parse()
{
    //Parsing
    int32u frame_rate_num, frame_rate_den, frame_count, fourcc;
    int16u version, header_size, width, height;

    Skip_C4 (                                                   "Signature");
    Get_L2 (version,                                            "Version");
    if (version==0)
    {
        Get_L2 (header_size,                                    "Header Size");
        if (header_size>=32)
        {
            Get_C4 (fourcc,                                     "Fourcc");
            Get_L2 (width,                                      "Width");
            Get_L2 (height,                                     "Height");
            Get_L4 (frame_rate_num,                             "FrameRate Numerator");
            Get_L4 (frame_rate_den,                             "FrameRate Denominator");
            Get_L4 (frame_count,                                "Frame Count");
            Skip_L4(                                            "Unused");
            if (header_size-32)
                Skip_XX(header_size-32,                         "Unknown");
        }
        else
        {
            fourcc=0x00000000;
            width=0;
            height=0;
            frame_rate_num=0;
            frame_rate_den=0;
            frame_count=0;
        }
    }
    else
    {
        header_size=0;
        fourcc=0x00000000;
        width=0;
        height=0;
        frame_rate_num=0;
        frame_rate_den=0;
        frame_count=0;
    }

    FILLING_BEGIN();
        Accept("IVF");

        Fill(Stream_General, 0, General_Format, "IVF");

        if (version==0 && header_size>=32)
        {
            Stream_Prepare(Stream_Video);
            CodecID_Fill(Ztring().From_CC4(fourcc), Stream_Video, 0, InfoCodecID_Format_Riff);
            Fill(Stream_Video, 0, Video_FrameRate, (float)frame_rate_num / frame_rate_den);
            Fill(Stream_Video, 0, Video_FrameCount, frame_count);
            Fill(Stream_Video, 0, Video_Width, width);
            Fill(Stream_Video, 0, Video_Height, height);
            Fill(Stream_Video, 0, Video_StreamSize, File_Size-header_size-12*frame_count); //Overhead is 12 byte per frame
        }

        //No more need data
        Finish("IVF");
    FILLING_END();
}

//.........这里部分代码省略.........
            if (tfcntrflag)
            {
                Skip_S1( 8,                                     "tfcntr - frame counter");
            }
        }

        if (interlace && !psf)
        {
            bool tff=true, rff=false;
            if (pulldown)
            {
                Get_SB (tff,                                    "tff - top field first");
                Get_SB (rff,                                    "rff - repeat first field");
                if (tff)
                    Interlaced_Top++;
                else
                    Interlaced_Bottom++;

                if (TemporalReference.size()<30)
                {
                    if (ptype!=2 && ptype!=3  //if not B and BI-frame
                     && !TemporalReference_Waiting.empty()) //We must have 2 I or P pictures to be sure not having B picture later
                    {
                        //We have 2 I or P pictures
                        for (size_t Pos=1; Pos<TemporalReference_Waiting.size(); Pos++) //All B frames (not the first frame, which is I or P)
                        {
                            TemporalReference_Offset++;
                            TemporalReference[TemporalReference_Offset]=TemporalReference_Waiting[Pos];
                        }
                        TemporalReference_Offset++;
                        TemporalReference[TemporalReference_Offset]=TemporalReference_Waiting[0];
                        TemporalReference_Waiting.clear();
                    }

                    //We must wait for having another I or P picture
                    temporalreference Temp;
                    Temp.top_field_first=tff;
                    Temp.repeat_first_field=rff;
                    TemporalReference_Waiting.push_back(Temp);
                }

            }
        }
        else
        {
            int8u rptfrm=0;
            if (pulldown)
            {
                Get_S1 ( 2, rptfrm,                             "rptfrm - repeate frame");
            }
        }

        /*
        if (panscan_flag)
        {
            //TODO
        }

        if (ptype!=4) //!=Skipping
        {
                bool rndctrl;
            Get_SB(    rndctrl,                                 "rndctrl - rounding control");
            if (rndctrl && (ptype==0 || ptype==3)) //I or BI type
                Trusted_IsNot("Should not be true!");

            if (interlace)
                Skip_SB(                                        "uvsamp - uv sampling mode");

            if (finterpflag && PictureFormat==0) //Progressive frame
                Skip_SB(                                        "interrpfrm");

            if (PictureFormat!=1) //!=Interlaced frame
            {
                if (ptype==2 //Type B
                 || (ptype==3 && PictureFormat==2)) //Type BI and Interlaced field
                    Skip_VL(Vc1_bfraction,                      "bfraction");
            }
        }
        */
    }
    BS_End();
    if (Element_Size-Element_Offset)
        Skip_XX(Element_Size-Element_Offset,                    "Data");

    FILLING_BEGIN();
        //NextCode
        NextCode_Test();
        NextCode_Clear();
        NextCode_Add(0x0D);
        NextCode_Add(0x0F);

        //Filling only if not already done
        if (!IsFilled && Frame_Count>=Frame_Count_Valid)
            FrameHeader_Fill();

        //Autorisation of other streams
        Streams[0x0D].Searching_Payload=true;
        Streams[0x0F].Searching_Payload=true;
    FILLING_END();
}

//---------------------------------------------------------------------------
void File_ProRes::Read_Buffer_Continue()
{
    //Parsing
    int32u  Name, creatorID;
    int16u  hdrSize, version, frameWidth, frameHeight;
    int8u   chrominance_factor, frame_type, primaries, transf_func, colorMatrix, alpha_info;
    bool    IsOk=true, luma, chroma;
    Element_Begin1("Header");
        Skip_B4(                                                "Size");
        Get_C4 (Name,                                           "Name");
    Element_End();
    Element_Begin1("Frame header");
        Get_B2 (hdrSize,                                        "hdrSize");
        Get_B2 (version,                                        "version");
        Get_C4 (creatorID,                                      "creatorID");
        Get_B2 (frameWidth,                                     "frameWidth");
        Get_B2 (frameHeight,                                    "frameHeight");
        BS_Begin();
        Get_S1 (2, chrominance_factor,                          "chrominance factor"); Param_Info1(ProRes_chrominance_factor(chrominance_factor));
        Skip_S1(2,                                              "reserved");
        Get_S1 (2, frame_type,                                  "frame type"); Param_Info1(ProRes_frame_type_ScanType(frame_type)); Param_Info1(ProRes_frame_type_ScanOrder(frame_type));
        Skip_S1(2,                                              "reserved");
        BS_End();
        Skip_B1(                                                "reserved");
        Get_B1 (primaries,                                      "primaries"); Param_Info1(Mpegv_colour_primaries(primaries));
        Get_B1 (transf_func,                                    "transf_func"); Param_Info1(Mpegv_transfer_characteristics(transf_func));
        Get_B1 (colorMatrix,                                    "colorMatrix"); Param_Info1(Mpegv_matrix_coefficients(colorMatrix));
        BS_Begin();
        Skip_S1(4,                                              "src_pix_fmt");
        Get_S1 (4, alpha_info,                                  "alpha_info");
        BS_End();
        Skip_B1(                                                "reserved");
        BS_Begin();
        Skip_S1(6,                                              "reserved");
        Get_SB (luma,                                           "custom luma quant matrix present");
        Get_SB (chroma,                                         "custom chroma quant matrix present");
        BS_End();
        if (luma)
            Skip_XX(64,                                         "QMatLuma");
        if (chroma)
            Skip_XX(64,                                         "QMatChroma");
    Element_End();
    if (Name==0x69637066 && Element_Offset!=8+(int32u)hdrSize) // Coherency test icpf
        IsOk=false;
    if (Name==0x69637066) // icpf
    {
    for (int8u PictureNumber=0; PictureNumber<(frame_type?2:1); PictureNumber++)
    {
        Element_Begin1("Picture layout");
            int16u total_slices;
            vector<int16u> slices_size;
            Element_Begin1("Picture header");
                int64u pic_hdr_End, pic_data_End;
                int32u pic_data_size;
                int8u pic_hdr_size;
                Get_B1 (pic_hdr_size,                               "pic_hdr_size");
                if (pic_hdr_size<64)
                {
                    Trusted_IsNot("pic_hdr_size");
                    Element_End();
                    Element_End();
                    return;
                }
                pic_hdr_End=Element_Offset+pic_hdr_size/8-((pic_hdr_size%8)?0:1);
                Get_B4 (pic_data_size,                              "pic_data_size");
                if (pic_data_size<8)
                {
                    Trusted_IsNot("pic_data_size");
                    Element_End();
                    Element_End();
                    return;
                }
                pic_data_End=Element_Offset+pic_data_size-5;
                Get_B2 (total_slices,                               "total_slices");
                BS_Begin();
                Skip_S1(4,                                          "slice_width_factor");
                Skip_S1(4,                                          "slice_height_factor");
                BS_End();
                if (Element_Offset<pic_hdr_End)
                    Skip_XX(pic_hdr_End-Element_Offset,             "Unknown");
            Element_End();
            Element_Begin1("Slice index table");
                for (int16u Pos=0; Pos<total_slices; Pos++)
                {
                    int16u slice_size;
                    Get_B2 (slice_size,                             "slice_size");
                    slices_size.push_back(slice_size);
                }
            Element_End();
            for (int16u Pos=0; Pos<slices_size.size(); Pos++)
            {
                Skip_XX(slices_size[Pos],                           "slice data");
            }
            if (Element_Offset<pic_data_End)
                Skip_XX(pic_data_End-Element_Offset,                "Unknown");
        Element_End();
    }
    }
    bool IsZeroes=true;
//.........这里部分代码省略.........

//---------------------------------------------------------------------------
void File_Unknown::Read_Buffer_Continue()
{
    Skip_XX(Element_Size,                                       "Unknown");
}

//---------------------------------------------------------------------------
void File_ImpulseTracker::Read_Buffer_Continue()
{
    //Parsing
    Ztring SongName;
    int16u OrdNum, InsNum, SmpNum, PatNum, Flags, Special;
    int8u  VersionMajor, VersionMinor, SoftwareVersionMajor, SoftwareVersionMinor, IS, TS;
    bool Stereo;
    Skip_B4(                                                    "Signature");

    Get_Local(26, SongName,                                     "Song name");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Get_L2 (OrdNum,                                             "Orders count");
    Get_L2 (InsNum,                                             "Instruments count");
    Get_L2 (SmpNum,                                             "Samples count");
    Get_L2 (PatNum,                                             "Paterns count");
    Get_L1 (SoftwareVersionMinor,                               "Cwt/v (Minor)");
    Get_L1 (SoftwareVersionMajor,                               "Cwt/v (Major)");
    Get_L1 (VersionMinor,                                       "Cwt (Minor)");
    Get_L1 (VersionMajor,                                       "Cwt (Major)");
    Get_L2 (Flags,                                              "Flags");
        Get_Flags (Flags, 0, Stereo,                            "Stereo");
        Skip_Flags(Flags, 1,                                    "Vol0MixOptimizations");
        Skip_Flags(Flags, 2,                                    "Use instruments/Samples");
        Skip_Flags(Flags, 3,                                    "Linear/Amiga slides");
        Skip_Flags(Flags, 4,                                    "Old/IT Effects");
    Get_L2 (Special,                                            "Special");
        Skip_Flags(Special, 0,                                  "Song Message attached");
    Skip_L1(                                                    "Global volume");
    Skip_L1(                                                    "Mix volume");
    Get_L1 (IS,                                                 "Initial Speed");
    Get_L1 (TS,                                                 "Initial Temp");
    Skip_L1(                                                    "Panning separation between channels");
    Skip_L1(                                                    "0");
    Skip_L2(                                                    "Message Length");
    Skip_L4(                                                    "Message Offset");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_L1(                                                    "Unknown");
    Skip_XX(64,                                                 "Chnl Pan");
    Skip_XX(64,                                                 "Chnl Vol");
    Skip_XX(OrdNum,                                             "Orders");
    Skip_XX(InsNum*4,                                           "Instruments");
    Skip_XX(SmpNum*4,                                           "Samples");
    Skip_XX(PatNum*4,                                           "Patterns");

    FILLING_BEGIN();
        Stream_Prepare(Stream_General);
        Fill(Stream_General, 0, General_Format, "Impulse Tracker");
        Fill(Stream_General, 0, General_Format_Version, Ztring(_T("Version "))+Ztring::ToZtring(VersionMajor)+_T(".")+Ztring::ToZtring(VersionMinor/16)+Ztring::ToZtring(VersionMinor%16));
        Fill(Stream_General, 0, General_Track, SongName);
        Fill(Stream_General, 0, General_Encoded_Application, Ztring(_T("Impulse Tracker ")+Ztring::ToZtring(SoftwareVersionMajor)+_T(".")+Ztring::ToZtring(SoftwareVersionMinor/16)+Ztring::ToZtring(SoftwareVersionMinor%16)));
        Fill(Stream_General, 0, "BPM", TS);

        Stream_Prepare(Stream_Audio);
        Fill(Stream_Audio, StreamPos_Last, Audio_Channel_s_, Stereo?2:1);
        
        Accept("Impulse Tracker");
        Finish("Impulse Tracker");
    FILLING_END();
}

//.........这里部分代码省略.........
        if (4*Names_Count>Element_Size)
        {
            Element_End();
            Reject();
            return;
        }
        for (int16u Pos=0; Pos<Names_Count; Pos++)
        {
            Element_Begin1("Name");
            Get_L4 (Name_Length,                                "Name length");
            if (Name_Length)
            {
                Info_UTF8(Name_Length, Name,                    "Name"); Element_Name(Name);
            }
            Element_End();
        }
        Element_End();
        Skip_L4(                                                "0x00000000");
        Skip_L4(                                                "0x0000002A [1]");
        Skip_L4(                                                "Unknown [9]");
        Skip_L4(                                                "Unknown [10]");
        Skip_L4(                                                "0x00000000");
        Skip_L1(                                                "0x00 or 0x01 [2]");
        Skip_L1(                                                "0x01");
        Skip_L1(                                                "0x00 or 0x01 or 0x02");
        Skip_L1(                                                "0x00 [2]");
        Skip_L1(                                                "0x01");
        Skip_L1(                                                "0x00 (once) or 0x01");
        Skip_L1(                                                "0x00 or 0x01 (once)");
        Skip_L1(                                                "0x00 or 0x01 (once) or 0x5A");
        if (Opaque1_Length<6)
        {
            if (Opaque1_Length)
                Skip_XX(Opaque1_Length,                         "Opaque1");
        }
        else
        {
            Skip_L4(                                            "Opaque1 - Unknown [1]");
            Skip_L2(                                            "Opaque1 - Unknown [2]");
            if (Opaque1_Length<8)
            {
                if (Opaque1_Length-6)
                    Skip_XX(Opaque1_Length-6,                   "Opaque1 - Unknown [3]");
            }
            else
            {
                Skip_L2(                                        "Opaque1 - 0x0000");
                if (Opaque1_Length>8)
                    Skip_XX(Opaque1_Length-8,                   "Opaque1 - Unknown [3]");
            }
        }
        Skip_L2(                                                "0x2519");
        Skip_L2(                                                "0x0001");
        Skip_L4(                                                "0x00000000 or B5112287");
        Skip_L4(                                                "0x00000000 or 4037F9DC");
        Skip_L4(                                                "0x00000001 [1]");
        Skip_L2(                                                "0x0003");
    Element_End();
    Get_L4 (Audio_Count,                                        "Audio count");
    if (111*Audio_Count>Element_Size)
    {
        Reject();
        return;
    }
    Element_Begin1("Audio tracks list 1");
    for (int16u Pos=0; Pos<Audio_Count; Pos++)

//---------------------------------------------------------------------------
void File_ChannelGrouping::Read_Buffer_Continue()
{
    //Handling of multiple frames in one block
    if (Buffer_Size-Buffer_Offset_AlreadyInCommon==0)
    {
        if (Common->Parser && Common->Parser->Buffer_Size)
            Open_Buffer_Continue(Common->Parser, Common->MergedChannel.Buffer+Common->MergedChannel.Buffer_Offset, 0);
        Element_WaitForMoreData();
        return;
    }

    //If basic PCM is already detected
    if (Common->IsPcm)
    {
        if (Buffer_Size==Buffer_Offset_AlreadyInCommon)
        {
            Element_WaitForMoreData();
            return;
        }
        Buffer_Offset_AlreadyInCommon=0;

        #if MEDIAINFO_DEMUX
            Demux_Level=2; //Container
            Demux_Offset=Buffer_Size;
            FrameInfo.PTS=FrameInfo.DTS;
            if (IsPcm_Frame_Count)
                FrameInfo.DUR*=IsPcm_Frame_Count+1;
            Demux_UnpacketizeContainer_Demux();
        #endif //MEDIAINFO_DEMUX

        Skip_XX(Element_Size,                                   "Data");

        if (IsPcm_Frame_Count)
        {
            Frame_Count+=IsPcm_Frame_Count;
            IsPcm_Frame_Count=0;
        }
        Frame_Count++;

        if (!Status[IsFilled])
        {
            Finish();
        }

        return;
    }
    else if (Buffer_Size && Buffer_Size>Buffer_Offset_AlreadyInCommon && !Common->IsAes3)
        IsPcm_Frame_Count++;

    //Demux
    #if MEDIAINFO_DEMUX
        if (Demux_UnpacketizeContainer)
        {
            Common->Parser->Demux_UnpacketizeContainer=true;
            Common->Parser->Demux_Level=2; //Container
            Demux_Level=4; //Intermediate
        }
        Demux(Common->MergedChannel.Buffer+Common->MergedChannel.Buffer_Offset, Common->MergedChannel.Buffer_Size-Common->MergedChannel.Buffer_Offset, ContentType_MainStream);
    #endif //MEDIAINFO_EVENTS

    //Copying to Channel buffer
    if (Common->Channels[Channel_Pos]->Buffer_Size+Buffer_Size-Buffer_Offset_AlreadyInCommon>Common->Channels[Channel_Pos]->Buffer_Size_Max)
        Common->Channels[Channel_Pos]->resize(Common->Channels[Channel_Pos]->Buffer_Size+Buffer_Size-Buffer_Offset_AlreadyInCommon);
    memcpy(Common->Channels[Channel_Pos]->Buffer+Common->Channels[Channel_Pos]->Buffer_Size, Buffer+Buffer_Offset_AlreadyInCommon, Buffer_Size-Buffer_Offset_AlreadyInCommon);
    Common->Channels[Channel_Pos]->Buffer_Size+=Buffer_Size-Buffer_Offset_AlreadyInCommon;
    if (!Common->IsAes3)
        Buffer_Offset_AlreadyInCommon=Buffer_Size;
    else
        Buffer_Offset_AlreadyInCommon=0;
    Common->Channel_Current++;
    if (Common->Channel_Current>=Channel_Total)
        Common->Channel_Current=0;

    //Copying to merged channel
    size_t Minimum=(size_t)-1;
    for (size_t Pos=0; Pos<Common->Channels.size(); Pos++)
        if (Minimum>Common->Channels[Pos]->Buffer_Size-Common->Channels[Pos]->Buffer_Offset)
            Minimum=Common->Channels[Pos]->Buffer_Size-Common->Channels[Pos]->Buffer_Offset;
    while (Minimum>=ByteDepth)
    {
        for (size_t Pos=0; Pos<Common->Channels.size(); Pos++)
        {
            if (Common->MergedChannel.Buffer_Size+Minimum>Common->MergedChannel.Buffer_Size_Max)
                Common->MergedChannel.resize(Common->MergedChannel.Buffer_Size+Minimum);
            memcpy(Common->MergedChannel.Buffer+Common->MergedChannel.Buffer_Size, Common->Channels[Pos]->Buffer+Common->Channels[Pos]->Buffer_Offset, ByteDepth);
            Common->Channels[Pos]->Buffer_Offset+=ByteDepth;
            Common->MergedChannel.Buffer_Size+=ByteDepth;
        }
        Minimum-=ByteDepth;
    }

    if (Common->MergedChannel.Buffer_Size-Common->MergedChannel.Buffer_Offset)
    {
        if (FrameInfo_Next.DTS!=(int64u)-1)
            Common->Parser->FrameInfo=FrameInfo_Next; //AES3 parse has its own buffer management
        else
            Common->Parser->FrameInfo=FrameInfo;
        Open_Buffer_Continue(Common->Parser, Common->MergedChannel.Buffer+Common->MergedChannel.Buffer_Offset, Common->MergedChannel.Buffer_Size-Common->MergedChannel.Buffer_Offset);
        Common->MergedChannel.Buffer_Offset=Common->MergedChannel.Buffer_Size;
//.........这里部分代码省略.........

//---------------------------------------------------------------------------
void File_Ogg::Data_Parse()
{
    //Counting
    Frame_Count++;

    //If first chunk of a stream
    stream& Stream_Item=Stream[Element_Code]; //[+] FlylinkDC++ Team
    if (Stream_Item.Parser==NULL)
    {
        if (Parsing_End)
            return; //Maybe multitracks concatained, not supported
        Stream_Item.Parser=new File_Ogg_SubElement;
        Open_Buffer_Init(Stream_Item.Parser);
        ((File_Ogg_SubElement*)Stream_Item.Parser)->InAnotherContainer=IsSub;
        StreamsToDo++;
    }
    ((File_Ogg_SubElement*)Stream_Item.Parser)->MultipleStreams=Stream.size()>1; //has no sens for the first init, must check allways

    //Parsing
    File_Ogg_SubElement* Parser=(File_Ogg_SubElement*)Stream_Item.Parser;
    if (Stream_Item.SearchingPayload)
        //For each chunk
        for (size_t Chunk_Sizes_Pos=0; Chunk_Sizes_Pos<Chunk_Sizes.size(); Chunk_Sizes_Pos++)
        {
            //Info
            if (!continued)
                Peek_L1(packet_type); //Only for information
            Element_Info1(Ztring::ToZtring(packet_type, 16));
            Element_Info1C((continued), "Continue");

            //Parsing
            if (continued || Parser->File_Offset!=Parser->File_Size)
                Open_Buffer_Continue(Parser, Buffer+Buffer_Offset+(size_t)Element_Offset, Chunk_Sizes[Chunk_Sizes_Pos]);
            if (Chunk_Sizes_Pos<Chunk_Sizes.size()-1
             || (Chunk_Sizes_Pos==Chunk_Sizes.size()-1 && Chunk_Sizes_Finished))
            {
                Open_Buffer_Continue(Parser, Buffer+Buffer_Offset, 0); //Purge old datas
            }

            Element_Offset+=Chunk_Sizes[Chunk_Sizes_Pos];
            continued=false; //If there is another chunk, this can not be a continued chunk
            if (Parser->File_GoTo!=(int64u)-1)
                Chunk_Sizes_Pos=Chunk_Sizes.size();

            if (!Status[IsAccepted] && Parser->Status[IsAccepted])
                Accept("OGG");
            if (Parser->Status[IsFinished] || (Element_Offset==Element_Size && eos))
            {
                StreamsToDo--;
                Stream_Item.SearchingPayload=false;
                break;
            }
        }
    else
        Skip_XX(Element_Size,                                   "Data");

    //End of stream
    if (!Parsing_End &&
        (StreamsToDo==0 || File_Offset+Buffer_Offset+Element_Offset>256*1024))
    {
        if (IsSub)
            Finish("OGG");
        else
            GoToFromEnd(256*1024, "OGG");
        std::map<int64u, stream>::iterator Stream_Temp=Stream.begin();
        if (File_GoTo!=(int64u)-1)
            while (Stream_Temp!=Stream.end())
            {
                Stream_Temp->second.absolute_granule_position=0;
                ++Stream_Temp;
            }
        Parsing_End=true;
    }

    Element_Show();
}

//---------------------------------------------------------------------------
void File_Jpeg::Data_Parse()
{
    #define CASE_INFO(_NAME, _DETAIL) \
        case Elements::_NAME : Element_Info1(#_NAME); Element_Info1(_DETAIL); _NAME(); break;

    //Parsing
    if (SOS_SOD_Parsed)
    {
        Skip_XX(Element_Size,                                   "Data");
        SOS_SOD_Parsed=false;
        return;
    }
    switch (Element_Code)
    {
        CASE_INFO(TEM ,                                         "TEM");
        CASE_INFO(SOC ,                                         "Start of codestream"); //JPEG 2000
        CASE_INFO(SIZ ,                                         "Image and tile size"); //JPEG 2000
        CASE_INFO(COD ,                                         "Coding style default"); //JPEG 2000
        CASE_INFO(COC ,                                         "Coding style component"); //JPEG 2000
        CASE_INFO(TLM ,                                         "Tile-part lengths, main header"); //JPEG 2000
        CASE_INFO(PLM ,                                         "Packet length, main header"); //JPEG 2000
        CASE_INFO(PLT ,                                         "Packet length, tile-part header"); //JPEG 2000
        CASE_INFO(QCD ,                                         "Quantization default"); //JPEG 2000
        CASE_INFO(QCC ,                                         "Quantization component "); //JPEG 2000
        CASE_INFO(RGN ,                                         "Region-of-interest"); //JPEG 2000
        CASE_INFO(PPM ,                                         "Packed packet headers, main header"); //JPEG 2000
        CASE_INFO(PPT ,                                         "Packed packet headers, tile-part header"); //JPEG 2000
        CASE_INFO(CME ,                                         "Comment and extension"); //JPEG 2000
        CASE_INFO(SOT ,                                         "Start of tile-part"); //JPEG 2000
        CASE_INFO(SOP ,                                         "Start of packet"); //JPEG 2000
        CASE_INFO(EPH ,                                         "End of packet header"); //JPEG 2000
        CASE_INFO(SOD ,                                         "Start of data"); //JPEG 2000
        CASE_INFO(S0F0,                                         "Baseline DCT (Huffman)");
        CASE_INFO(S0F1,                                         "Extended sequential DCT (Huffman)");
        CASE_INFO(S0F2,                                         "Progressive DCT (Huffman)");
        CASE_INFO(S0F3,                                         "Lossless (sequential) (Huffman)");
        CASE_INFO(DHT ,                                         "Define Huffman Tables");
        CASE_INFO(S0F5,                                         "Differential sequential DCT (Huffman)");
        CASE_INFO(S0F6,                                         "Differential progressive DCT (Huffman)");
        CASE_INFO(S0F7,                                         "Differential lossless (sequential) (Huffman)");
        CASE_INFO(JPG ,                                         "Reserved for JPEG extensions");
        CASE_INFO(S0F9,                                         "Extended sequential DCT (Arithmetic)");
        CASE_INFO(S0FA,                                         "Progressive DCT (Arithmetic)");
        CASE_INFO(S0FB,                                         "Lossless (sequential) (Arithmetic)");
        CASE_INFO(DAC ,                                         "Define Arithmetic Coding");
        CASE_INFO(S0FD,                                         "Differential sequential DCT (Arithmetic)");
        CASE_INFO(S0FE,                                         "Differential progressive DCT (Arithmetic)");
        CASE_INFO(S0FF,                                         "Differential lossless (sequential) (Arithmetic)");
        CASE_INFO(RST0,                                         "Restart Interval Termination 0");
        CASE_INFO(RST1,                                         "Restart Interval Termination 1");
        CASE_INFO(RST2,                                         "Restart Interval Termination 2");
        CASE_INFO(RST3,                                         "Restart Interval Termination 3");
        CASE_INFO(RST4,                                         "Restart Interval Termination 4");
        CASE_INFO(RST5,                                         "Restart Interval Termination 5");
        CASE_INFO(RST6,                                         "Restart Interval Termination 6");
        CASE_INFO(RST7,                                         "Restart Interval Termination 7");
        CASE_INFO(SOI ,                                         "Start Of Image");
        CASE_INFO(EOI ,                                         "End Of Image"); //Is EOC (End of codestream) in JPEG 2000
        CASE_INFO(SOS ,                                         "Start Of Scan");
        CASE_INFO(DQT ,                                         "Define Quantization Tables");
        CASE_INFO(DNL ,                                         "Define Number of Lines");
        CASE_INFO(DRI ,                                         "Define Restart Interval");
        CASE_INFO(DHP ,                                         "Define Hierarchical Progression");
        CASE_INFO(EXP ,                                         "Expand Reference Components");
        CASE_INFO(APP0,                                         "Application-specific marker 0");
        CASE_INFO(APP1,                                         "Application-specific marker 1");
        CASE_INFO(APP2,                                         "Application-specific marker 2");
        CASE_INFO(APP3,                                         "Application-specific marker 3");
        CASE_INFO(APP4,                                         "Application-specific marker 4");
        CASE_INFO(APP5,                                         "Application-specific marker 5");
        CASE_INFO(APP6,                                         "Application-specific marker 6");
        CASE_INFO(APP7,                                         "Application-specific marker 7");
        CASE_INFO(APP8,                                         "Application-specific marker 8");
        CASE_INFO(APP9,                                         "Application-specific marker 9");
        CASE_INFO(APPA,                                         "Application-specific marker 10");
        CASE_INFO(APPB,                                         "Application-specific marker 11");
        CASE_INFO(APPC,                                         "Application-specific marker 12");
        CASE_INFO(APPD,                                         "Application-specific marker 13");
        CASE_INFO(APPE,                                         "Application-specific marker 14");
        CASE_INFO(APPF,                                         "Application-specific marker 15");
        CASE_INFO(JPG0,                                         "JPG");
        CASE_INFO(JPG1,                                         "JPG");
        CASE_INFO(JPG2,                                         "JPG");
        CASE_INFO(JPG3,                                         "JPG");
        CASE_INFO(JPG4,                                         "JPG");
        CASE_INFO(JPG5,                                         "JPG");
        CASE_INFO(JPG6,                                         "JPG");
        CASE_INFO(JPG7,                                         "JPG");
        CASE_INFO(JPG8,                                         "JPG");
        CASE_INFO(JPG9,                                         "JPG");
        CASE_INFO(JPGA,                                         "JPG");
        CASE_INFO(JPGB,                                         "JPG");
        CASE_INFO(JPGC,                                         "JPG");
        CASE_INFO(JPGD,                                         "JPG");
        CASE_INFO(COM ,                                         "Comment");
        default : Element_Info1("Reserved");
                  Skip_XX(Element_Size,                         "Data");
    }
}