Beispiel #1
0
void Cr2Decoder::checkSupportInternal(CameraMetaData *meta) {
  vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(MODEL);
  if (data.empty())
    ThrowRDE("CR2 Support check: Model name not found");
  if (!data[0]->hasEntry(MAKE))
    ThrowRDE("CR2 Support: Make name not found");
  string make = data[0]->getEntry(MAKE)->getString();
  string model = data[0]->getEntry(MODEL)->getString();

  // Check for sRaw mode
  data = mRootIFD->getIFDsWithTag((TiffTag)0xc5d8);
  if (!data.empty()) {
    TiffIFD* raw = data[0];
    if (raw->hasEntry((TiffTag)0xc6c5)) {
      ushort16 ss = raw->getEntry((TiffTag)0xc6c5)->getInt();
      if (ss == 4) {
        this->checkCameraSupported(meta, make, model, "sRaw1");
        return;
      }
    }
  }
  this->checkCameraSupported(meta, make, model, "");
}
Beispiel #2
0
RawImage Rw2Decoder::decodeRawInternal() {

  vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(PANASONIC_STRIPOFFSET);

  bool isOldPanasonic = FALSE;

  if (data.empty()) {
    if (!mRootIFD->hasEntryRecursive(STRIPOFFSETS))
      ThrowRDE("RW2 Decoder: No image data found");
    isOldPanasonic = TRUE;
    data = mRootIFD->getIFDsWithTag(STRIPOFFSETS);
  }

  TiffIFD* raw = data[0];
  uint32 height = raw->getEntry((TiffTag)3)->getShort();
  uint32 width = raw->getEntry((TiffTag)2)->getShort();

  if (isOldPanasonic) {
    ThrowRDE("Cannot decode old-style Panasonic RAW files");
    TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
    TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);

    if (offsets->count != 1) {
      ThrowRDE("RW2 Decoder: Multiple Strips found: %u", offsets->count);
    }
    int off = offsets->getInt();
    if (!mFile->isValid(off))
      ThrowRDE("Panasonic RAW Decoder: Invalid image data offset, cannot decode.");

    int count = counts->getInt();
    if (count != (int)(width*height*2))
      ThrowRDE("Panasonic RAW Decoder: Byte count is wrong.");

    if (!mFile->isValid(off+count))
      ThrowRDE("Panasonic RAW Decoder: Invalid image data offset, cannot decode.");
      
    mRaw->dim = iPoint2D(width, height);
    mRaw->createData();
    ByteStream input_start(mFile->getData(off), mFile->getSize() - off);
    iPoint2D pos(0, 0);
    readUncompressedRaw(input_start, mRaw->dim,pos, width*2, 16, BitOrder_Plain);

  } else {

    mRaw->dim = iPoint2D(width, height);
    mRaw->createData();
    TiffEntry *offsets = raw->getEntry(PANASONIC_STRIPOFFSET);

    if (offsets->count != 1) {
      ThrowRDE("RW2 Decoder: Multiple Strips found: %u", offsets->count);
    }

    load_flags = 0x2008;
    int off = offsets->getInt();

    if (!mFile->isValid(off))
      ThrowRDE("RW2 Decoder: Invalid image data offset, cannot decode.");

    input_start = new ByteStream(mFile->getData(off), mFile->getSize() - off);
    DecodeRw2();
  }
  // Read blacklevels
  if (raw->hasEntry((TiffTag)0x1c) && raw->hasEntry((TiffTag)0x1d) && raw->hasEntry((TiffTag)0x1e)) {
    mRaw->blackLevelSeparate[0] = raw->getEntry((TiffTag)0x1c)->getInt() + 15;
    mRaw->blackLevelSeparate[1] = mRaw->blackLevelSeparate[2] = raw->getEntry((TiffTag)0x1d)->getInt() + 15;
    mRaw->blackLevelSeparate[3] = raw->getEntry((TiffTag)0x1e)->getInt() + 15;
  }
  return mRaw;
}
Beispiel #3
0
RawImage Cr2Decoder::decodeRawInternal() {

  vector<TiffIFD*> data = mRootIFD->getIFDsWithTag((TiffTag)0xc5d8);

  if (data.empty())
    ThrowRDE("CR2 Decoder: No image data found");


  TiffIFD* raw = data[0];
  mRaw = RawImage::create();
  mRaw->isCFA = true;
  vector<Cr2Slice> slices;
  int completeH = 0;

  try {
    TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
    TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
    // Iterate through all slices
    for (uint32 s = 0; s < offsets->count; s++) {
      Cr2Slice slice;
      slice.offset = offsets[0].getInt();
      slice.count = counts[0].getInt();
      SOFInfo sof;
      LJpegPlain l(mFile, mRaw);
      l.getSOF(&sof, slice.offset, slice.count);
      slice.w = sof.w * sof.cps;
      slice.h = sof.h;
      if (!slices.empty())
        if (slices[0].w != slice.w)
          ThrowRDE("CR2 Decoder: Slice width does not match.");

      if (mFile->isValid(slice.offset + slice.count)) // Only decode if size is valid
        slices.push_back(slice);
      completeH += slice.h;
    }
  } catch (TiffParserException) {
    ThrowRDE("CR2 Decoder: Unsupported format.");
  }

  if (slices.empty()) {
    ThrowRDE("CR2 Decoder: No Slices found.");
  }

  mRaw->dim = iPoint2D(slices[0].w, completeH);

  if (raw->hasEntry((TiffTag)0xc6c5)) {
    ushort16 ss = raw->getEntry((TiffTag)0xc6c5)->getInt();
    // sRaw
    if (ss == 4) {
      mRaw->dim.x /= 3;
      mRaw->setCpp(3);
      mRaw->isCFA = false;
    }
  }

  mRaw->createData();

  vector<int> s_width;
  if (raw->hasEntry(CANONCR2SLICE)) {
    const ushort16 *ss = raw->getEntry(CANONCR2SLICE)->getShortArray();
    for (int i = 0; i < ss[0]; i++) {
      s_width.push_back(ss[1]);
    }
    s_width.push_back(ss[2]);
  } else {
    s_width.push_back(slices[0].w);
  }
  uint32 offY = 0;

  if (s_width.size() > 15)
    ThrowRDE("CR2 Decoder: No more than 15 slices supported");
  _RPT1(0,"Org slices:%d\n", s_width.size());
  for (uint32 i = 0; i < slices.size(); i++) {
    Cr2Slice slice = slices[i];
    try {
      LJpegPlain l(mFile, mRaw);
      l.addSlices(s_width);
      l.mUseBigtable = true;
      l.startDecoder(slice.offset, slice.count, 0, offY);
    } catch (RawDecoderException &e) {
      if (i == 0)
        throw;
      // These may just be single slice error - store the error and move on
      errors.push_back(_strdup(e.what()));
    } catch (IOException &e) {
      // Let's try to ignore this - it might be truncated data, so something might be useful.
      errors.push_back(_strdup(e.what()));
    }
    offY += slice.w;
  }

  if (mRaw->subsampling.x > 1 || mRaw->subsampling.y > 1)
    sRawInterpolate();

  return mRaw;
}
Beispiel #4
0
RawImage Cr2Decoder::decodeRawInternal() {
  if(hints.find("old_format") != hints.end()) {
    uint32 off = 0;
    if (mRootIFD->getEntryRecursive((TiffTag)0x81))
      off = mRootIFD->getEntryRecursive((TiffTag)0x81)->getInt();
    else {
      vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(CFAPATTERN);
      if (data.empty())
        ThrowRDE("CR2 Decoder: Couldn't find offset");
      else {
        if (data[0]->hasEntry(STRIPOFFSETS))
          off = data[0]->getEntry(STRIPOFFSETS)->getInt();
        else
          ThrowRDE("CR2 Decoder: Couldn't find offset");
      }
    }

    ByteStream *b;
    if (getHostEndianness() == big)
      b = new ByteStream(mFile, off+41);
    else
      b = new ByteStreamSwap(mFile, off+41);
    uint32 height = b->getShort();
    uint32 width = b->getShort();

    // Every two lines can be encoded as a single line, probably to try and get
    // better compression by getting the same RGBG sequence in every line
    if(hints.find("double_line_ljpeg") != hints.end()) {
      height *= 2;
      mRaw->dim = iPoint2D(width*2, height/2);
    }
    else {
      width *= 2;
      mRaw->dim = iPoint2D(width, height);
    }

    mRaw->createData();
    LJpegPlain *l = new LJpegPlain(mFile, mRaw);
    try {
      l->startDecoder(off, mFile->getSize()-off, 0, 0);
    } catch (IOException& e) {
      mRaw->setError(e.what());
    }

    delete l;

    if(hints.find("double_line_ljpeg") != hints.end()) {
      // We now have a double width half height image we need to convert to the
      // normal format
      iPoint2D final_size(width, height);
      RawImage procRaw = RawImage::create(final_size, TYPE_USHORT16, 1);
      procRaw->metadata = mRaw->metadata;
      procRaw->copyErrorsFrom(mRaw);

      for (uint32 y = 0; y < height; y++) {
        ushort16 *dst = (ushort16*)procRaw->getData(0,y);
        ushort16 *src = (ushort16*)mRaw->getData(y%2 == 0 ? 0 : width, y/2);
        for (uint32 x = 0; x < width; x++)
          dst[x] = src[x];
      }
      mRaw = procRaw;
    }

    if (mRootIFD->getEntryRecursive((TiffTag)0x123)) {
      TiffEntry *curve = mRootIFD->getEntryRecursive((TiffTag)0x123);
      if (curve->type == TIFF_SHORT && curve->count == 4096) {
        TiffEntry *linearization = mRootIFD->getEntryRecursive((TiffTag)0x123);
        uint32 len = linearization->count;
        ushort16 *table = new ushort16[len];
        linearization->getShortArray(table, len);
        if (!uncorrectedRawValues) {
          mRaw->setTable(table, 4096, true);
          // Apply table
          mRaw->sixteenBitLookup();
          // Delete table
          mRaw->setTable(NULL);
        } else {
          // We want uncorrected, but we store the table.
          mRaw->setTable(table, 4096, false);
        }
      }
    }

    return mRaw;
  }

  vector<TiffIFD*> data = mRootIFD->getIFDsWithTag((TiffTag)0xc5d8);

  if (data.empty())
    ThrowRDE("CR2 Decoder: No image data found");


  TiffIFD* raw = data[0];
  mRaw = RawImage::create();
  mRaw->isCFA = true;
  vector<Cr2Slice> slices;
  int completeH = 0;
  bool doubleHeight = false;

  try {
    TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
    TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);
    // Iterate through all slices
    for (uint32 s = 0; s < offsets->count; s++) {
      Cr2Slice slice;
      slice.offset = offsets[0].getInt();
      slice.count = counts[0].getInt();
      SOFInfo sof;
      LJpegPlain *l = new LJpegPlain(mFile, mRaw);
      l->getSOF(&sof, slice.offset, slice.count);
      delete l;
      slice.w = sof.w * sof.cps;
      slice.h = sof.h;
      if (sof.cps == 4 && slice.w > slice.h * 4) {
        doubleHeight = true;
      }
      if (!slices.empty())
        if (slices[0].w != slice.w)
          ThrowRDE("CR2 Decoder: Slice width does not match.");

      if (mFile->isValid(slice.offset, slice.count)) // Only decode if size is valid
        slices.push_back(slice);
      completeH += slice.h;
    }
  } catch (TiffParserException) {
    ThrowRDE("CR2 Decoder: Unsupported format.");
  }

  // Override with canon_double_height if set.
  map<string,string>::iterator msb_hint = hints.find("canon_double_height");
  if (msb_hint != hints.end())
    doubleHeight = (0 == (msb_hint->second).compare("true"));

  if (slices.empty()) {
    ThrowRDE("CR2 Decoder: No Slices found.");
  }
  mRaw->dim = iPoint2D(slices[0].w, completeH);

  // Fix for Canon 6D mRaw, which has flipped width & height for some part of the image
  // In that case, we swap width and height, since this is the correct dimension
  bool flipDims = false;
  bool wrappedCr2Slices = false;
  if (raw->hasEntry((TiffTag)0xc6c5)) {
    ushort16 ss = raw->getEntry((TiffTag)0xc6c5)->getInt();
    // sRaw
    if (ss == 4) {
      mRaw->dim.x /= 3;
      mRaw->setCpp(3);
      mRaw->isCFA = false;

      // Fix for Canon 80D mraw format.
      // In that format, the frame (as read by getSOF()) is 4032x3402, while the
      // real image should be 4536x3024 (where the full vertical slices in
      // the frame "wrap around" the image.
      if (hints.find("wrapped_cr2_slices") != hints.end() && raw->hasEntry(IMAGEWIDTH) && raw->hasEntry(IMAGELENGTH)) {
        wrappedCr2Slices = true;
        int w = raw->getEntry(IMAGEWIDTH)->getInt();
        int h = raw->getEntry(IMAGELENGTH)->getInt();
        if (w * h != mRaw->dim.x * mRaw->dim.y) {
          ThrowRDE("CR2 Decoder: Wrapped slices don't match image size");
        }
        mRaw->dim = iPoint2D(w, h);
      }
    }
    flipDims = mRaw->dim.x < mRaw->dim.y;
    if (flipDims) {
      int w = mRaw->dim.x;
      mRaw->dim.x = mRaw->dim.y;
      mRaw->dim.y = w;
    }
  }

  mRaw->createData();

  vector<int> s_width;
  if (raw->hasEntry(CANONCR2SLICE)) {
    TiffEntry *ss = raw->getEntry(CANONCR2SLICE);
    for (int i = 0; i < ss->getShort(0); i++) {
      s_width.push_back(ss->getShort(1));
    }
    s_width.push_back(ss->getShort(2));
  } else {
    s_width.push_back(slices[0].w);
  }
  uint32 offY = 0;

  if (s_width.size() > 15)
    ThrowRDE("CR2 Decoder: No more than 15 slices supported");
  _RPT1(0,"Org slices:%d\n", s_width.size());
  for (uint32 i = 0; i < slices.size(); i++) {
    Cr2Slice slice = slices[i];
    try {
      LJpegPlain *l = new LJpegPlain(mFile, mRaw);
      l->addSlices(s_width);
      l->mUseBigtable = true;
      l->mCanonFlipDim = flipDims;
      l->mCanonDoubleHeight = doubleHeight;
      l->mWrappedCr2Slices = wrappedCr2Slices;
      l->startDecoder(slice.offset, slice.count, 0, offY);
      delete l;
    } catch (RawDecoderException &e) {
      if (i == 0)
        throw;
      // These may just be single slice error - store the error and move on
      mRaw->setError(e.what());
    } catch (IOException &e) {
      // Let's try to ignore this - it might be truncated data, so something might be useful.
      mRaw->setError(e.what());
    }
    offY += slice.w;
  }

  if (mRaw->metadata.subsampling.x > 1 || mRaw->metadata.subsampling.y > 1)
    sRawInterpolate();

  return mRaw;
}