Group license support

plugin/include/widevine_cas_session.h

@@ -49,16 +49,15 @@ class WidevineCasSession {
   CasStatus initialize(std::shared_ptr<CryptoSession> crypto_session,
                        CasEventListener* event_listener, uint32_t* session_id);
 
-  // Get the current key information. This method will be used by a descrambler
-  // plugin to obtain the current key information.
-  const KeySlot& key(KeySlotId slot_id) const;
-
   // Process an ecm and extract the key slot data. Extracted data will be used
   // to update |current_ecm_| and |entitlement_key_id_| and |keys_|.
   // |parental_control_age| (if non-zero) must be greater or equal to the
   // age_restriction field specified in |ecm|. Otherwise, ECM will not be
   // processed and error will be returned.
-  virtual CasStatus processEcm(const CasEcm& ecm, uint8_t parental_control_age);
+  // |license_group_id| if non empty, processEcm will decrypt content keys that
+  // are specified by |license_group_id|.
+  virtual CasStatus processEcm(const CasEcm& ecm, uint8_t parental_control_age,
+                               const std::string& license_group_id);
 
   // Returns the security level retrieved from OEMCrypto.
   const char* securityLevel();
@@ -71,8 +70,7 @@ class WidevineCasSession {
 
  private:
   // Creates an EcmParser.
-  virtual std::unique_ptr<const EcmParser> getEcmParser(
-      const CasEcm& ecm) const;
+  virtual std::unique_ptr<EcmParser> getEcmParser(const CasEcm& ecm) const;
 
   CasKeySlotData keys_;  // Odd and even key slots.
   std::string entitlement_key_id_;