Example #1
0
 ScanDataContainer(Binary::Container::Ptr delegate, std::size_t offset)
   : Delegate(delegate)
   , OriginalSize(delegate->Size())
   , OriginalData(static_cast<const uint8_t*>(delegate->Start()))
   , Offset(offset)
 {
 }
Example #2
0
 DataLocation::Ptr Open(const Parameters::Accessor& /*params*/, DataLocation::Ptr location, const Analysis::Path& inPath) const override
 {
   const String& pathComp = inPath.GetIterator()->Get();
   std::size_t offset = 0;
   if (RawPath.GetIndex(pathComp, offset))
   {
     const Binary::Container::Ptr inData = location->GetData();
     const Binary::Container::Ptr subData = inData->GetSubcontainer(offset, inData->Size() - offset);
     return CreateNestedLocation(location, subData, Description->Id(), pathComp); 
   }
   return DataLocation::Ptr();
 }
Example #3
0
    Analysis::Result::Ptr Detect(const Parameters::Accessor& params, DataLocation::Ptr input, const Module::DetectCallback& callback) const override
    {
      const Binary::Container::Ptr rawData = input->GetData();
      const std::size_t size = rawData->Size();
      Statistic::Self().Enqueue(size);
      if (size < MIN_MINIMAL_RAW_SIZE)
      {
        Dbg("Size is too small (%1%)", size);
        return Analysis::CreateUnmatchedResult(size);
      }

      const RawPluginParameters scanParams(params);
      const std::size_t minRawSize = scanParams.GetMinimalSize();

      const String currentPath = input->GetPath()->AsString();
      Dbg("Detecting modules in raw data at '%1%'", currentPath);
      const Log::ProgressCallback::Ptr progress = MakePtr<RawProgressCallback>(callback, static_cast<uint_t>(size), currentPath);
      const Module::DetectCallback& noProgressCallback = Module::CustomProgressDetectCallbackAdapter(callback);

      const ArchivePlugin::Iterator::Ptr availableArchives = ArchivePluginsEnumerator::Create()->Enumerate();
      const ArchivePlugin::Iterator::Ptr usedArchives = scanParams.GetDoubleAnalysis()
        ? MakePtr<DoubleAnalysisArchivePlugins>(availableArchives)
        : availableArchives;
      RawDetectionPlugins usedPlugins(params, PlayerPluginsEnumerator::Create()->Enumerate(), usedArchives, *this);

      ScanDataLocation::Ptr subLocation = MakePtr<ScanDataLocation>(input, Description->Id(), 0);

      while (subLocation->HasToScan(minRawSize))
      {
        const std::size_t offset = subLocation->GetOffset();
        progress->OnProgress(static_cast<uint_t>(offset));
        usedPlugins.SetOffset(offset);
        const Module::DetectCallback& curCallback = offset ? noProgressCallback : callback;
        const std::size_t bytesToSkip = usedPlugins.Detect(subLocation, curCallback);
        if (!subLocation.unique())
        {
          Dbg("Sublocation is captured. Duplicate.");
          subLocation = MakePtr<ScanDataLocation>(input, Description->Id(), offset);
        }
        subLocation->Move(std::max(bytesToSkip, SCAN_STEP));
      }
      return Analysis::CreateMatchedResult(size);
    }
Example #4
0
    Module::Holder::Ptr CreateModule(const Parameters::Accessor& params, const Binary::Container& rawData, Parameters::Container::Ptr properties) const override
    {
      try
      {
        const TunePtr tune = std::make_shared<SidTune>(static_cast<const uint_least8_t*>(rawData.Start()),
          static_cast<uint_least32_t>(rawData.Size()));
        CheckSidplayError(tune->getStatus());
        const unsigned songIdx = tune->selectSong(0);

        const SidTuneInfo& tuneInfo = *tune->getInfo();
        if (tuneInfo.songs() > 1)
        {
          Require(HasSidContainer(*properties));
        }

        PropertiesHelper props(*properties);
        switch (tuneInfo.numberOfInfoStrings())
        {
        default:
        case 3:
          //copyright/publisher really
          props.SetComment(FromStdString(tuneInfo.infoString(2)));
        case 2:
          props.SetAuthor(FromStdString(tuneInfo.infoString(1)));
        case 1:
          props.SetTitle(FromStdString(tuneInfo.infoString(0)));
        case 0:
          break;
        }
        const Binary::Container::Ptr data = rawData.GetSubcontainer(0, tuneInfo.dataFileLen());
        const Formats::Chiptune::Container::Ptr source = Formats::Chiptune::CreateCalculatingCrcContainer(data, 0, data->Size());
        props.SetSource(*source);

        const uint_t fps = tuneInfo.songSpeed() == SidTuneInfo::SPEED_CIA_1A || tuneInfo.clockSpeed() == SidTuneInfo::CLOCK_NTSC ? 60 : 50;
        props.SetFramesFrequency(fps);

        const Information::Ptr info = MakePtr<Information>(GetDuration(params), tune, fps, songIdx);
        return MakePtr<Holder>(tune, info, properties);
      }
      catch (const std::exception&)
      {
        return Holder::Ptr();
      }
    }