Merge commit '638ecc4cde79b0296f2e04f683ca4cb881c28f36' as 'rtengine/libraw'

2023-11-12 11:49:00 -08:00
parent 5acf1c0a7f 638ecc4cde
commit 3f5c3988e5
213 changed files with 77043 additions and 0 deletions
--- a/rtengine/libraw/src/metadata/adobepano.cpp
+++ b/rtengine/libraw/src/metadata/adobepano.cpp
@@ -0,0 +1,154 @@
+/* -*- C++ -*-
+ * Copyright 2019-2021 LibRaw LLC (info@libraw.org)
+ *
+
+ LibRaw is free software; you can redistribute it and/or modify
+ it under the terms of the one of two licenses as you choose:
+
+1. GNU LESSER GENERAL PUBLIC LICENSE version 2.1
+   (See file LICENSE.LGPL provided in LibRaw distribution archive for details).
+
+2. COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
+   (See file LICENSE.CDDL provided in LibRaw distribution archive for details).
+
+ */
+
+#include "../../internal/dcraw_defs.h"
+
+void LibRaw::parseAdobePanoMakernote()
+{
+  uchar *PrivateMknBuf;
+  unsigned posPrivateMknBuf;
+  unsigned PrivateMknLength;
+  unsigned PrivateOrder;
+  unsigned PrivateEntries, PrivateTagID, PrivateTagType, PrivateTagCount;
+  unsigned PrivateTagBytes;
+  int truncated;
+
+#define CHECKSPACE(s)                                                          \
+  if (posPrivateMknBuf + (s) > PrivateMknLength)                               \
+  {                                                                            \
+    free(PrivateMknBuf);                                                       \
+    return;                                                                    \
+  }
+
+  order = 0x4d4d;
+  truncated = 0;
+  PrivateMknLength = get4();
+
+  if ((PrivateMknLength > 4) && (PrivateMknLength < 10240000) &&
+      (PrivateMknBuf = (uchar *)malloc(PrivateMknLength + 1024)))
+  { // 1024b for safety
+    fread(PrivateMknBuf, PrivateMknLength, 1, ifp);
+    PrivateOrder = sget2(PrivateMknBuf);
+    PrivateEntries = sget2(PrivateMknBuf + 2);
+    if ((PrivateEntries > 1000) ||
+        ((PrivateOrder != 0x4d4d) && (PrivateOrder != 0x4949)))
+    {
+      free(PrivateMknBuf);
+      return;
+    }
+    posPrivateMknBuf = 4;
+    while (PrivateEntries--)
+    {
+      order = 0x4d4d;
+      CHECKSPACE(8);
+      PrivateTagID = sget2(PrivateMknBuf + posPrivateMknBuf);
+      PrivateTagType = sget2(PrivateMknBuf + posPrivateMknBuf + 2);
+      PrivateTagCount = sget4(PrivateMknBuf + posPrivateMknBuf + 4);
+      posPrivateMknBuf += 8;
+      order = PrivateOrder;
+
+      if (truncated && !PrivateTagCount)
+        continue;
+
+      PrivateTagBytes = PrivateTagCount *
+          tagtype_dataunit_bytes[(PrivateTagType <= LIBRAW_EXIFTAG_TYPE_IFD8) ? PrivateTagType : 0];
+      if(PrivateTagBytes > 10240000u)
+      {
+         free(PrivateMknBuf);
+         return;
+      }
+      if (PrivateTagID == 0x0002)
+      {
+        posPrivateMknBuf += 2;
+        CHECKSPACE(2);
+        if (sget2(PrivateMknBuf + posPrivateMknBuf))
+        {
+          truncated = 1;
+        }
+        else
+        {
+          posPrivateMknBuf += 2;
+        }
+      }
+      else if (PrivateTagID == 0x0013)
+      {
+        ushort nWB, cnt, tWB;
+        CHECKSPACE(2);
+        nWB = sget2(PrivateMknBuf + posPrivateMknBuf);
+        posPrivateMknBuf += 2;
+        if (nWB > 0x100)
+          break;
+        for (cnt = 0; cnt < nWB; cnt++)
+        {
+          CHECKSPACE(2);
+          tWB = sget2(PrivateMknBuf + posPrivateMknBuf);
+          if (tWB < 0x100)
+          {
+            CHECKSPACE(4);
+            icWBC[tWB][0] = sget2(PrivateMknBuf + posPrivateMknBuf + 2);
+            icWBC[tWB][2] = sget2(PrivateMknBuf + posPrivateMknBuf + 4);
+            icWBC[tWB][1] = icWBC[tWB][3] = 0x100;
+          }
+          posPrivateMknBuf += 6;
+        }
+      }
+      else if (PrivateTagID == 0x0027)
+      {
+        ushort nWB, cnt, tWB;
+        CHECKSPACE(2);
+        nWB = sget2(PrivateMknBuf + posPrivateMknBuf);
+        posPrivateMknBuf += 2;
+        if (nWB > 0x100)
+          break;
+        for (cnt = 0; cnt < nWB; cnt++)
+        {
+          CHECKSPACE(2);
+          tWB = sget2(PrivateMknBuf + posPrivateMknBuf);
+          if (tWB < 0x100)
+          {
+            CHECKSPACE(6);
+            icWBC[tWB][0] = sget2(PrivateMknBuf + posPrivateMknBuf + 2);
+            icWBC[tWB][1] = icWBC[tWB][3] =
+                sget2(PrivateMknBuf + posPrivateMknBuf + 4);
+            icWBC[tWB][2] = sget2(PrivateMknBuf + posPrivateMknBuf + 6);
+          }
+          posPrivateMknBuf += 8;
+        }
+      }
+      else if (PrivateTagID == 0x0121)
+      {
+        CHECKSPACE(4);
+        imPana.Multishot = sget4(PrivateMknBuf + posPrivateMknBuf);
+        posPrivateMknBuf += 4;
+      }
+      else
+      {
+        if (PrivateTagBytes > 4)
+          posPrivateMknBuf += PrivateTagBytes;
+        else if (!truncated)
+          posPrivateMknBuf += 4;
+        else
+        {
+          if (PrivateTagBytes <= 2)
+            posPrivateMknBuf += 2;
+          else
+            posPrivateMknBuf += 4;
+        }
+      }
+    }
+    free(PrivateMknBuf);
+  }
+#undef CHECKSPACE
+}