1 files changed, 60 insertions, 0 deletions
diff --git a/xbmc/utils/DRMHelpers.cpp b/xbmc/utils/DRMHelpers.cpp
new file mode 100644
index 0000000..0b4b4e4
--- /dev/null
+++ b/xbmc/utils/DRMHelpers.cpp
@@ -0,0 +1,60 @@
+/*
+ *  Copyright (C) 2005-2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "DRMHelpers.h"
+
+#include "utils/StringUtils.h"
+
+#include <sstream>
+
+#include <drm_fourcc.h>
+#include <xf86drm.h>
+
+namespace DRMHELPERS
+{
+
+std::string FourCCToString(uint32_t fourcc)
+{
+  std::stringstream ss;
+  ss << static_cast<char>((fourcc & 0x000000FF));
+  ss << static_cast<char>((fourcc & 0x0000FF00) >> 8);
+  ss << static_cast<char>((fourcc & 0x00FF0000) >> 16);
+  ss << static_cast<char>((fourcc & 0xFF000000) >> 24);
+
+  return ss.str();
+}
+
+std::string ModifierToString(uint64_t modifier)
+{
+#if defined(HAVE_DRM_MODIFIER_NAME)
+  std::string modifierVendorStr{"UNKNOWN_VENDOR"};
+
+  const char* vendorName = drmGetFormatModifierVendor(modifier);
+  if (vendorName)
+    modifierVendorStr = std::string(vendorName);
+
+  free(const_cast<char*>(vendorName));
+
+  std::string modifierNameStr{"UNKNOWN_MODIFIER"};
+
+  const char* modifierName = drmGetFormatModifierName(modifier);
+  if (modifierName)
+    modifierNameStr = std::string(modifierName);
+
+  free(const_cast<char*>(modifierName));
+
+  if (modifier == DRM_FORMAT_MOD_LINEAR)
+    return modifierNameStr;
+
+  return modifierVendorStr + "_" + modifierNameStr;
+#else
+  return StringUtils::Format("{:#x}", modifier);
+#endif
+}
+
+} // namespace DRMHELPERS