Пример #1
0
//---------------------------------------------------------------------------
void File_Mpeg4_Descriptors::Descriptor_02()
{
    //Parsing
    bool URL_Flag;
    BS_Begin();
    Skip_S2(10,                                                 "ObjectDescriptorID");
    Get_SB (    URL_Flag,                                       "URL_Flag");
    Skip_SB(                                                    "includeInlineProfileLevelFlag");
    Skip_S1( 4,                                                 "reserved");
    BS_End();
    if (URL_Flag)
    {
        int8u URLlength;
        Get_B1 (URLlength,                                      "URLlength");
        Skip_UTF8(URLlength,                                    "URLstring");
    }
    Info_B1(ODProfileLevel,                                     "ODProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_ODProfileLevelIndication(ODProfileLevel));
    Info_B1(SceneProfileLevel,                                  "sceneProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_SceneProfileLevelIndication(SceneProfileLevel));
    Info_B1(AudioProfileLevel,                                  "audioProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_AudioProfileLevelIndication(AudioProfileLevel));
    Info_B1(VisualProfileLevel,                                 "visualProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_VisualProfileLevelIndication(VisualProfileLevel));
    Info_B1(GraphicsProfileLevel,                               "graphicsProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_GraphicsProfileLevelIndication(GraphicsProfileLevel));

    FILLING_BEGIN();
        Element_ThisIsAList();
    FILLING_END();
}
Пример #2
0
//---------------------------------------------------------------------------
void File_Jpeg::COD()
{
    //Parsing
    int16u Levels;
    int8u Style, Style2, MultipleComponentTransform;
    bool PrecinctUsed;
    Get_B1 (Style,                                              "Scod - Style");
        Get_Flags (Style, 0, PrecinctUsed,                      "Precinct used");
        Skip_Flags(Style, 1,                                    "Use SOP (start of packet)");
        Skip_Flags(Style, 2,                                    "Use EPH (end of packet header)");
    Skip_B1(                                                    "Number of decomposition levels");
    Skip_B1(                                                    "Progression order");
    Get_B2 (Levels,                                             "Number of layers");
    Info_B1(DimX,                                               "Code-blocks dimensions X (2^(n+2))"); Param_Info2(1<<(DimX+2), " pixels");
    Info_B1(DimY,                                               "Code-blocks dimensions Y (2^(n+2))"); Param_Info2(1<<(DimY+2), " pixels");
    Get_B1 (Style2,                                             "Style of the code-block coding passes");
        Skip_Flags(Style, 0,                                    "Selective arithmetic coding bypass");
        Skip_Flags(Style, 1,                                    "MQ states for all contexts");
        Skip_Flags(Style, 2,                                    "Regular termination");
        Skip_Flags(Style, 3,                                    "Vertically stripe-causal context formation");
        Skip_Flags(Style, 4,                                    "Error resilience info is embedded on MQ termination");
        Skip_Flags(Style, 5,                                    "Segmentation marker is to be inserted at the end of each normalization coding pass");
    Skip_B1(                                                    "Transform");
    Get_B1(MultipleComponentTransform,                          "Multiple component transform");
    if (PrecinctUsed)
    {
        BS_Begin();
        Skip_S1(4,                                              "LL sub-band width");
        Skip_S1(4,                                              "LL sub-band height");
        BS_End();
        for (int16u Pos=0; Pos<Levels; Pos++)
        {
            Element_Begin1("Decomposition level");
            BS_Begin();
            Skip_S1(4,                                          "decomposition level width");
            Skip_S1(4,                                          "decomposition level height");
            BS_End();
            Element_End0();
        }
    }

    FILLING_BEGIN();
        if (Frame_Count==0 && Field_Count==0)
        {
            switch (MultipleComponentTransform)
            {
                case 0x01 : Fill(StreamKind_Last, 0, "Compression_Mode", "Lossless"); break;
                case 0x02 : Fill(StreamKind_Last, 0, "Compression_Mode", "Lossy"); break;
                default   : ;
            }
        }
    FILLING_END();
}
Пример #3
0
//---------------------------------------------------------------------------
void File_Dpx::IndustrySpecificHeader_Dpx()
{
    Element_Name("Industry specific header");

    //Parsing
    float32 FrameRate;
    Element_Begin1("Motion-picture film information");
    Skip_String(2,                                              "Film mfg. ID code");
    Skip_String(2,                                              "Film type");
    Skip_String(2,                                              "Offset in perfs");
    Skip_String(6,                                              "Prefix");
    Skip_String(4,                                              "Count");
    Skip_String(32,                                             "Format - e.g. Academy");
    Skip_B4(                                                    "Frame position in sequence");
    Skip_B4(                                                    "Sequence length (frames)");
    Skip_B4(                                                    "Held count (1 = default)");
    Get_BF4 (FrameRate,                                         "Frame rate of original (frames/s)");
    Skip_BF4(                                                   "Shutter angle of camera in degrees");
    Skip_UTF8(32,                                               "Frame identification - e.g. keyframe");
    Skip_UTF8(100,                                              "Slate information");
    Skip_XX(56,                                                 "Reserved for future use");
    Element_End0();

    Element_Begin1("Television information");
    Skip_B4(                                                    "SMPTE time code");
    Skip_B4(                                                    "SMPTE user bits");
    Info_B1(Interlace,                                          "Interlace");Param_Info1((Interlace==0?"noninterlaced":"2:1 interlace"));
    Skip_B1(                                                    "Field number");
    Info_B1(VideoSignalStandard,                                "Video signal standard");Param_Info1(DPX_VideoSignalStandard(VideoSignalStandard));
    Skip_B1(                                                    "Zero");
    Skip_BF4(                                                   "Horizontal sampling rate (Hz)");
    Skip_BF4(                                                   "Vertical sampling rate (Hz)");
    Skip_BF4(                                                   "Temporal sampling rate or frame rate (Hz)");
    Skip_BF4(                                                   "Time offset from sync to first pixel (ms)");
    Skip_BF4(                                                   "Gamma");
    Skip_BF4(                                                   "Black level code value");
    Skip_BF4(                                                   "Black gain");
    Skip_BF4(                                                   "Breakpoint");
    Skip_BF4(                                                   "Reference white level code value");
    Skip_BF4(                                                   "Integration time (s)");
    Skip_XX(76,                                                 "Reserved for future use");
    Element_End0();

    FILLING_BEGIN();
        if (FrameRate)
            Fill(StreamKind_Last, StreamPos_Last, "FrameRate", FrameRate);
    FILLING_END();
}
Пример #4
0
//---------------------------------------------------------------------------
void File_Ibi::UInteger_Info()
{
    switch (Element_Size)
    {
        case 1 :
                {
                    Info_B1(Data,                               "Data"); Element_Info(Data);
                    return;
                }
        case 2 :
                {
                    Info_B2(Data,                               "Data"); Element_Info(Data);
                    return;
                }
        case 3 :
                {
                    Info_B3(Data,                               "Data"); Element_Info(Data);
                    return;
                }
        case 4 :
                {
                    Info_B4(Data,                               "Data"); Element_Info(Data);
                    return;
                }
        case 5 :
                {
                    Info_B5(Data,                               "Data"); Element_Info(Data);
                    return;
                }
        case 6 :
                {
                    Info_B6(Data,                               "Data"); Element_Info(Data);
                    return;
                }
        case 7 :
                {
                    Info_B7(Data,                               "Data"); Element_Info(Data);
                    return;
                }
        case 8 :
                {
                    Info_B8(Data,                               "Data"); Element_Info(Data);
                    return;
                }
        case 16:
                {
                    Info_B16(Data,                              "Data"); Element_Info(Data);
                    return;
                }
        default : Skip_XX(Element_Size,                         "Data");
    }
}
Пример #5
0
//---------------------------------------------------------------------------
void File_Jpeg::SOF_()
{
    //Parsing
    vector<Jpeg_samplingfactor> SamplingFactors;
    int16u Height, Width;
    int8u  Resolution, Count;
    Get_B1 (Resolution,                                         "P - Sample precision");
    Get_B2 (Height,                                             "Y - Number of lines");
    Get_B2 (Width,                                              "X - Number of samples per line");
    Get_B1 (Count,                                              "Nf - Number of image components in frame");
    for (int8u Pos=0; Pos<Count; Pos++)
    {
        Jpeg_samplingfactor SamplingFactor;
        Element_Begin1("Component");
        Info_B1(Ci,                                             "Ci - Component identifier"); Element_Info1(Ci);
        BS_Begin();
        Get_S1 (4, SamplingFactor.Hi,                           "Hi - Horizontal sampling factor"); Element_Info1(SamplingFactor.Hi);
        Get_S1 (4, SamplingFactor.Vi,                           "Vi - Vertical sampling factor"); Element_Info1(SamplingFactor.Vi);
        BS_End();
        Skip_B1(                                                "Tqi - Quantization table destination selector");
        Element_End0();

        //Filling list of HiVi
        SamplingFactors.push_back(SamplingFactor);
    }

    FILLING_BEGIN_PRECISE();
        if (Frame_Count==0 && Field_Count==0)
        {
            Accept("JPEG");

            if (Count_Get(StreamKind_Last)==0)
                Stream_Prepare(StreamKind_Last);
            Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_Format), "JPEG");
            Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_Codec), "JPEG");
            if (StreamKind_Last==Stream_Image)
                Fill(Stream_Image, 0, Image_Codec_String, "JPEG", Unlimited, true, true); //To Avoid automatic filling
            if (StreamKind_Last==Stream_Video)
                Fill(Stream_Video, 0, Video_InternetMediaType, "video/JPEG", Unlimited, true, true);
            Fill(StreamKind_Last, 0, "ColorSpace", "YUV");
            Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_BitDepth), Resolution);
            Fill(StreamKind_Last, 0, "Height", Height*(Interlaced?2:1));
            Fill(StreamKind_Last, 0, "Width", Width);

            //Chroma subsampling
            if (SamplingFactors.size()==3 && SamplingFactors[1].Hi==1 && SamplingFactors[2].Hi==1 && SamplingFactors[1].Vi==1 && SamplingFactors[2].Vi==1)
            {
                string ChromaSubsampling;
                switch (SamplingFactors[0].Hi)
                {
                    case 1 :
                            switch (SamplingFactors[0].Vi)
                            {
                                case 1 : ChromaSubsampling="4:4:4"; break;
                                default: ;
                            }
                            break;
                    case 2 :
                            switch (SamplingFactors[0].Vi)
                            {
                                case 1 : ChromaSubsampling="4:2:2"; break;
                                case 2 : ChromaSubsampling="4:2:0"; break;
                                default: ;
                            }
                            break;
                    case 4 :
                            switch (SamplingFactors[0].Vi)
                            {
                                case 1 : ChromaSubsampling="4:1:1"; break;
                                default: ;
                            }
                            break;
                    default: ;
                }
                if (!ChromaSubsampling.empty())
                    Fill(StreamKind_Last, 0, "ChromaSubsampling", ChromaSubsampling);
            }
        }
    FILLING_END();
}
Пример #6
0
//---------------------------------------------------------------------------
void File_Dpx::GenericSectionHeader_Cineon()
{
    Element_Name("Generic section header");

    //Parsing
    Element_Begin1("File information");
    Ztring CreationDate, CreationTime;
    string Version;
    int32u Size_Header, Size_Total, Size_Generic, Size_Industry, Size_User;
    Skip_B4(                                                    "Magic number");
    Get_X4 (Size_Header,                                        "Offset to image data");
    Get_X4 (Size_Generic,                                       "Generic section header length");
    Get_X4 (Size_Industry,                                      "Industry specific header length");
    Get_X4 (Size_User,                                          "User-defined header length");
    Get_X4 (Size_Total,                                         "Total image file size");
    Get_String(8, Version,                                      "Version number of header format");
    Skip_UTF8  (100,                                            "FileName");
    Get_UTF8   (12,  CreationDate,                              "Creation Date");
    Get_UTF8   (12,  CreationTime,                              "Creation Time");
    Skip_XX(36,                                                 "Reserved for future use");
    Element_End0();

    Element_Begin1("Image information");
    int8u ImageElements;
    Info_B1(ImageOrientation,                                   "Image orientation"); Param_Info1(DPX_Orientation[ImageOrientation>8?8:ImageOrientation]);
    Get_B1 (ImageElements,                                      "Number of image elements");
    Skip_B2(                                                    "Unused");
    if (ImageElements>8)
        ImageElements=8;
    for(int8u ImageElement=0; ImageElement<ImageElements; ImageElement++)
        GenericSectionHeader_Cineon_ImageElement();
    if (ImageElements!=8)
        Skip_XX((8-ImageElements)*28,                           "Padding");
    Skip_BF4(                                                   "White point - x");
    Skip_BF4(                                                   "White point - y");
    Skip_BF4(                                                   "Red primary chromaticity - x");
    Skip_BF4(                                                   "Red primary chromaticity - u");
    Skip_BF4(                                                   "Green primary chromaticity - x");
    Skip_BF4(                                                   "Green primary chromaticity - y");
    Skip_BF4(                                                   "Blue primary chromaticity - x");
    Skip_BF4(                                                   "Blue primary chromaticity - y");
    Skip_UTF8(200,                                              "Label text");
    Skip_XX(28,                                                 "Reserved for future use");
    Element_End0();

    Element_Begin1("Image Data Format Information");
    Skip_B1(                                                    "Data interleave");
    Skip_B1(                                                    "Packing");
    Skip_B1(                                                    "Data signed or unsigned");
    Skip_B1(                                                    "Image sense");
    Skip_B4(                                                    "End of line padding");
    Skip_B4(                                                    "End of channel padding");
    Skip_XX(20,                                                 "Reserved for future use");

    Element_Begin1("Image Origination Information");
    Skip_B4(                                                    "X offset");
    Skip_B4(                                                    "Y offset");
    Skip_UTF8  (100,                                            "FileName");
    Get_UTF8   (12,  CreationDate,                              "Creation Date");
    Get_UTF8   (12,  CreationTime,                              "Creation Time");
    Skip_UTF8(64,                                               "Input device");
    Skip_UTF8(32,                                               "Input device model number");
    Skip_UTF8(32,                                               "Input device serial number");
    Skip_BF4(                                                   "X input device pitch");
    Skip_BF4(                                                   "Y input device pitch");
    Skip_BF4(                                                   "Image gamma of capture device");
    Skip_XX(40,                                                 "Reserved for future use");
    Element_End0();

    FILLING_BEGIN();
        //Coherency tests
        if (File_Offset+Buffer_Offset+Size_Total>=Config->File_Current_Size)
            Size_Total=(int32u)(Config->File_Current_Size-(File_Offset+Buffer_Offset)); //The total size is bigger than the real size
        if (Size_Generic+Size_Industry+Size_User>Size_Header || Size_Header>Size_Total)
        {
            Reject();
            return;
        }

        //Filling sizes
        Sizes.push_back(Size_Header);
        Sizes.push_back(Size_Industry);
        Sizes.push_back(Size_User);
        Sizes.push_back(Size_Header-(Size_Generic+Size_Industry+Size_User)); //Size of padding
        Sizes.push_back(Size_Total-Size_Header); //Size of image

        //Filling meta
        if (Frame_Count==0)
        {
            Fill(Stream_General, 0, General_Encoded_Date, CreationDate+__T(' ')+CreationTime); //ToDo: transform it in UTC
            Fill(StreamKind_Last, StreamPos_Last, "Encoded_Date", CreationDate+__T(' ')+CreationTime); //ToDo: transform it in UTC
            Fill(StreamKind_Last, StreamPos_Last, "Format", "Cineom");
            if (Version.size()>2 && Version[0]=='V' && Version[1]>='0' && Version[2]<='9')
                Version.insert(1, "ersion ");
            Fill(StreamKind_Last, StreamPos_Last, "Format_Version", Version);
            Fill(Stream_General, 0, General_Format_Version, Version);
        }
    FILLING_END();
}