C++ (Cpp) parseBoxHeader Examples

Example #1

File: itemreferencebox.cpp Project: pstanczyk/heif

void SingleItemTypeReferenceBox::parseBox(BitStream& bitstr)
{
    parseBoxHeader(bitstr);  // parent box

    mFromItemId = bitstr.read16Bits();
    const uint16_t referenceCount = bitstr.read16Bits();
    for (unsigned int i = 0; i < referenceCount; ++i)
    {
        mToItemIds.push_back(bitstr.read16Bits());
    }
}

Example #2

File: cleanaperture.cpp Project: axelriet/heif

void CleanAperture::parseBox(BitStream& input)
{
    parseBoxHeader(input);
    mWidth.numerator = input.read32Bits();
    mWidth.denominator = input.read32Bits();
    mHeight.numerator = input.read32Bits();
    mHeight.denominator = input.read32Bits();
    mHorizOffset.numerator = input.read32Bits();
    mHorizOffset.denominator = input.read32Bits();
    mVertOffset.numerator = input.read32Bits();
    mVertOffset.denominator = input.read32Bits();
}

Example #3

File: datainformationbox.cpp Project: jfiguinha/Regards

void DataInformationBox::parseBox(ISOBMFF::BitStream& bitstr)
{
    parseBoxHeader(bitstr);

    if (bitstr.numBytesLeft() > 0)
    {
        FourCCInt boxType;
        BitStream subBitstr = bitstr.readSubBoxBitStream(boxType);
        mDataReferenceBox.parseBox(subBitstr);
    }
    else
    {
        logError() << "Read an empty dinf box." << std::endl;
    }
}

Example #4

File: filetypebox.cpp Project: jfiguinha/Regards

void FileTypeBox::parseBox(ISOBMFF::BitStream& bitstr)
{
    // Parse the box header
    parseBoxHeader(bitstr);

    // major_brand
    mMajorBrand = FourCCInt(bitstr.read32Bits());
    // minor_version
    mMinorVersion = bitstr.read32Bits();
    // compatible_brands[]
    while (bitstr.numBytesLeft() >= 4)
    {
        FourCCInt compatibleBrand = FourCCInt(bitstr.read32Bits());
        mCompatibleBrands.push_back(compatibleBrand);
    }
}

Example #5

File: itempropertiesbox.cpp Project: axelriet/heif

void ItemPropertiesBox::parseBox(BitStream& input)
{
    parseBoxHeader(input);

    std::string subBoxType;
    BitStream subBitStream = input.readSubBoxBitStream(subBoxType);
    mContainer.parseBox(subBitStream);

    subBitStream = input.readSubBoxBitStream(subBoxType);
    if (subBoxType != "ipma")
    {
        throw std::runtime_error("ItemPropertiesBox includes a box which is not ipma");
    }

    // There could be several ItemPropertyAssociation boxes, but currently only one is supported.
    mAssociations.parseBox(subBitStream);

    if (input.numBytesLeft() > 0)
    {
        logWarning() << "ItemPropertiesBox::parseBox() supports currently only one ipma box, but there seems to  be more." << std::endl;
    }
}

Example #6

File: pixelaspectratiobox.cpp Project: jfiguinha/Regards

void PixelAspectRatioBox::parseBox(BitStream& input)
{
    parseBoxHeader(input);
    mHSpacing = input.read32Bits();
    mVSpacing = input.read32Bits();
}

Example #7

File: hevcconfigurationbox.cpp Project: axelriet/heif

void HevcConfigurationBox::parseBox(BitStream& bitstr)
{
    BitStream subBitstr;
    parseBoxHeader(bitstr);
    mHevcConfig.parseConfig(bitstr);
}