text: /* GStreamer EME Utilities class
   *
   * Copyright (C) 2017 Metrological
   * Copyright (C) 2017 Igalia S.L
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Library General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Library General Public License for more details.
   *
   * You should have received a copy of the GNU Library General Public
   * License along with this library; if not, write to the
   * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  
  #pragma once
  
  #if ENABLE(ENCRYPTED_MEDIA) && USE(GSTREAMER)
  
  #include <gst/gst.h>
  #include <wtf/text/WTFString.h>
  
  #define WEBCORE_GSTREAMER_EME_UTILITIES_CLEARKEY_UUID "1077efec-c0b2-4d02-ace3-3c1e52e2fb4b"
  
  namespace WebCore {
  
  class GStreamerEMEUtilities {
  
  public:
      static const char* s_ClearKeyUUID;
      static const char* s_ClearKeyKeySystem;
  
      static bool isClearKeyKeySystem(const String& keySystem)
      {
          return equalIgnoringASCIICase(keySystem, s_ClearKeyKeySystem);
      }
  
      static const char* keySystemToUuid(const String& keySystem)
      {
          if (isClearKeyKeySystem(keySystem))
              return s_ClearKeyUUID;
  
          ASSERT_NOT_REACHED();
          return { };
      }
  
      static GstElement* createDecryptor(const char* protectionSystem);
  };
  
  }
  
  #endif // ENABLE(ENCRYPTED_MEDIA) && USE(GSTREAMER)
  