C++ (Cpp) CXBTFFrame::SetOffset示例

示例#1

文件： XBTFReader.cpp 项目： 0xheart0/xbmc

bool CXBTFReader::Open(const std::string& path)
{
  if (path.empty())
    return false;

  m_path = path;

#ifdef TARGET_WINDOWS
  std::wstring strPathW;
  g_charsetConverter.utf8ToW(CSpecialProtocol::TranslatePath(m_path), strPathW, false);
  m_file = _wfopen(strPathW.c_str(), L"rb");
#else
  m_file = fopen(m_path.c_str(), "rb");
#endif
  if (m_file == nullptr)
    return false;

  // read the magic word
  char magic[4];
  if (!ReadString(m_file, magic, sizeof(magic)))
    return false;

  if (strncmp(XBTF_MAGIC.c_str(), magic, sizeof(magic)) != 0)
    return false;

  // read the version
  char version[1];
  if (!ReadString(m_file, version, sizeof(version)))
    return false;

  if (strncmp(XBTF_VERSION.c_str(), version, sizeof(version)) != 0)
    return false;

  unsigned int nofFiles;
  if (!ReadUInt32(m_file, nofFiles))
    return false;

  for (uint32_t i = 0; i < nofFiles; i++)
  {
    CXBTFFile xbtfFile;
    uint32_t u32;
    uint64_t u64;

    char path[CXBTFFile::MaximumPathLength];
    memset(path, 0, sizeof(path));
    if (!ReadString(m_file, path, sizeof(path)))
      return false;
    xbtfFile.SetPath(path);

    if (!ReadUInt32(m_file, u32))
      return false;
    xbtfFile.SetLoop(u32);

    unsigned int nofFrames;
    if (!ReadUInt32(m_file, nofFrames))
      return false;

    for (uint32_t j = 0; j < nofFrames; j++)
    {
      CXBTFFrame frame;

      if (!ReadUInt32(m_file, u32))
        return false;
      frame.SetWidth(u32);

      if (!ReadUInt32(m_file, u32))
        return false;
      frame.SetHeight(u32);

      if (!ReadUInt32(m_file, u32))
        return false;
      frame.SetFormat(u32);

      if (!ReadUInt64(m_file, u64))
        return false;
      frame.SetPackedSize(u64);

      if (!ReadUInt64(m_file, u64))
        return false;
      frame.SetUnpackedSize(u64);

      if (!ReadUInt32(m_file, u32))
        return false;
      frame.SetDuration(u32);

      if (!ReadUInt64(m_file, u64))
        return false;
      frame.SetOffset(u64);

      xbtfFile.GetFrames().push_back(frame);
    }

    AddFile(xbtfFile);
  }

  // Sanity check
  uint64_t pos = static_cast<uint64_t>(ftell(m_file));
  if (pos != GetHeaderSize())
    return false;

  return true;
}

示例#2

文件： XBTFReader.cpp 项目： Distrotech/xbmc

bool CXBTFReader::Open(const std::string& fileName)
{
  m_fileName = fileName;

#ifdef TARGET_WINDOWS
  std::wstring strPathW;
  g_charsetConverter.utf8ToW(CSpecialProtocol::TranslatePath(m_fileName), strPathW, false);
  m_file = _wfopen(strPathW.c_str(), L"rb");
#else
  m_file = fopen(m_fileName.c_str(), "rb");
#endif
  if (m_file == NULL)
  {
    return false;
  }

  char magic[4];
  READ_STR(magic, 4, m_file);

  if (strncmp(magic, XBTF_MAGIC, sizeof(magic)) != 0)
  {
    return false;
  }

  char version[1];
  READ_STR(version, 1, m_file);

  if (strncmp(version, XBTF_VERSION, sizeof(version)) != 0)
  {
    return false;
  }

  unsigned int nofFiles;
  READ_U32(nofFiles, m_file);
  for (unsigned int i = 0; i < nofFiles; i++)
  {
    CXBTFFile file;
    unsigned int u32;
    uint64_t u64;

    READ_STR(file.GetPath(), 256, m_file);
    READ_U32(u32, m_file);
    file.SetLoop(u32);

    unsigned int nofFrames;
    READ_U32(nofFrames, m_file);

    for (unsigned int j = 0; j < nofFrames; j++)
    {
      CXBTFFrame frame;

      READ_U32(u32, m_file);
      frame.SetWidth(u32);
      READ_U32(u32, m_file);
      frame.SetHeight(u32);
      READ_U32(u32, m_file);
      frame.SetFormat(u32);
      READ_U64(u64, m_file);
      frame.SetPackedSize(u64);
      READ_U64(u64, m_file);
      frame.SetUnpackedSize(u64);
      READ_U32(u32, m_file);
      frame.SetDuration(u32);
      READ_U64(u64, m_file);
      frame.SetOffset(u64);

      file.GetFrames().push_back(frame);
    }

    m_xbtf.GetFiles().push_back(file);

    m_filesMap[file.GetPath()] = file;
  }

  // Sanity check
  int64_t pos = ftell(m_file);
  if (pos != (int64_t)m_xbtf.GetHeaderSize())
  {
    printf("Expected header size (%" PRId64") != actual size (%" PRId64")\n", m_xbtf.GetHeaderSize(), pos);
    return false;
  }

  return true;
}