Print compression in RAF header structure

src/rafimage.cpp

@@ -74,6 +74,9 @@ void RafImage::printStructure(std::ostream& out, PrintStructureOption option, si
     throw Error(ErrorCode::kerNotAnImage, "RAF");
   }
 
+  // The following is based on https://libopenraw.freedesktop.org/formats/raf/ and
+  // https://exiftool.org/TagNames/FujiFilm.html#RAFHeader
+
   const bool bPrint = option == kpsBasic || option == kpsRecursive;
   if (bPrint) {
     io_->seek(0, BasicIo::beg);  // rewind
@@ -159,7 +162,7 @@ void RafImage::printStructure(std::ostream& out, PrintStructureOption option, si
 
     // RAFs can carry the payload in one or two parts
     uint32_t meta_off[2], meta_len[2];
-    uint32_t cfa_off[2], cfa_len[2], cfa_skip[2], cfa_size[2], cfa_stride[2];
+    uint32_t cfa_off[2], cfa_len[2], comp[2], cfa_size[2], cfa_data[2];
     for (size_t i = 0; i < 2; i++) {
       address = io_->tell();
       byte data[4];
@@ -187,34 +190,34 @@ void RafImage::printStructure(std::ostream& out, PrintStructureOption option, si
       cfa_len[i] = Exiv2::getULong(data, bigEndian);
       size_t address3 = io_->tell();
       io_->readOrThrow(data, 4);
-      cfa_skip[i] = Exiv2::getULong(data, bigEndian);
+      comp[i] = Exiv2::getULong(data, bigEndian);
       size_t address4 = io_->tell();
       io_->readOrThrow(data, 4);
       cfa_size[i] = Exiv2::getULong(data, bigEndian);
       size_t address5 = io_->tell();
       io_->readOrThrow(data, 4);
-      cfa_stride[i] = Exiv2::getULong(data, bigEndian);
+      cfa_data[i] = Exiv2::getULong(data, bigEndian);
       {
         std::stringstream c_off;
         std::stringstream c_len;
-        std::stringstream c_skip;
+        std::stringstream c_comp;
         std::stringstream c_size;
-        std::stringstream c_stride;
+        std::stringstream c_data;
         c_off << cfa_off[i];
         c_len << cfa_len[i];
-        c_skip << cfa_skip[i];
+        c_comp << comp[i];
         c_size << cfa_size[i];
-        c_stride << cfa_stride[i];
+        c_data << cfa_data[i];
         out << Internal::indent(depth) << Internal::stringFormat(format, address, 4U) << " CFA offset" << i + 1 << " : "
             << c_off.str() << std::endl;
         out << Internal::indent(depth) << Internal::stringFormat(format, address2, 4U) << " CFA length" << i + 1
             << " : " << c_len.str() << std::endl;
-        out << Internal::indent(depth) << Internal::stringFormat(format, address3, 4U) << "   CFA skip" << i + 1
+        out << Internal::indent(depth) << Internal::stringFormat(format, address3, 4U) << "compression" << i + 1
-            << " : " << c_skip.str() << std::endl;
+            << " : " << c_comp.str() << std::endl;
         out << Internal::indent(depth) << Internal::stringFormat(format, address4, 4U) << "  CFA chunk" << i + 1
             << " : " << c_size.str() << std::endl;
-        out << Internal::indent(depth) << Internal::stringFormat(format, address5, 4U) << " CFA stride" << i + 1
+        out << Internal::indent(depth) << Internal::stringFormat(format, address5, 4U) << "    unknown" << i + 1
-            << " : " << c_stride.str() << std::endl;
+            << " : " << c_data.str() << std::endl;
       }
     }