Source release 15.1.0

cdm/include/cdm.h

@@ -76,13 +76,20 @@ class CDM_EXPORT Cdm : public ITimerClient {
     // that support the EME API, these codes should be handled in the system
     // layer. If it is necessary to notify the client application of one of
     // these statuses, it should be mapped to one of the exception codes defined
-    // in the EME specification.
+    // in the EME specification. Some of these errors are considered
+    // "recoverable" in that there are specific known remedies that the client
+    // may take in response to them. See the Integration Guide for further
+    // information.
     kNeedsDeviceCertificate = 101,
     kSessionNotFound = 102,
     kDecryptError = 103,
     kNoKey = 104,
     kKeyUsageBlockedByPolicy = 105,
     kRangeError = 106,
+    kResourceContention = 107,  // Recoverable
+    kSessionStateLost = 108,    // Recoverable
+    kSystemStateLost = 109,     // Recoverable
+    kOutputTooLarge = 109,      // Recoverable
 
     // This covers errors that we do not expect (see logs for details):
     kUnexpectedError = 99999,
@@ -178,6 +185,13 @@ class CDM_EXPORT Cdm : public ITimerClient {
     kLicensingService = 2,
   } ServiceRole;
 
+  // These are the available Widevine robustness levels.
+  typedef enum {
+    kL1 = 1,
+    kL2 = 2,
+    kL3 = 3,
+  } RobustnessLevel;
+
   // A map of key statuses.
   // See Cdm::getKeyStatuses().
   typedef std::map<std::string, KeyStatus> KeyStatusMap;
@@ -396,6 +410,21 @@ class CDM_EXPORT Cdm : public ITimerClient {
       ServiceRole role, const std::string& response,
       std::string* certificate) = 0;
 
+  // Returns the robustness level of the device, as reported by OEMCrypto. Note
+  // that this function is *not* cryptographically secure and it should only be
+  // relied upon for informational purposes (e.g. determining which content to
+  // show in the UI) and not security purposes. (e.g. determining which content
+  // to allow the device to play) *Only* secure communication between OEMCrypto
+  // and the license service should be used to make security decisions.
+  virtual Status getRobustnessLevel(RobustnessLevel* level) = 0;
+
+  // Returns the resource rating tier of the device, as reported by OEMCrypto.
+  virtual Status getResourceRatingTier(uint32_t* tier) = 0;
+
+  // Retrieves the build information for the underlying OEMCrypto
+  // implementation.
+  virtual Status getOemCryptoBuildInfo(std::string* build_info) = 0;
+
   // Determine if the device has a Device Certificate (for the current origin).
   // The Device Certificate is origin-specific, and the origin is
   // dertermined by the CDM's current IStorage object.