Implement isCryptoSchemeSupported in the Widevine drm plugin

Support overloaded isCryptoSchemeSupported method that
accepts a security level parameter

bug:110701831
test: cts media test cases, widevine integration tests, gts media tests

Change-Id: Ia84e40ff8d4f13fc06478e338e3238061e283dac

libwvdrmengine/cdm/core/include/initialization_data.h

@@ -24,6 +24,7 @@ class InitializationData {
   bool is_cenc() const { return is_cenc_; }
   bool is_hls() const { return is_hls_; }
   bool is_webm() const { return is_webm_; }
+  bool is_audio() const { return is_audio_; }
 
   bool IsEmpty() const { return data_.empty(); }
 
@@ -84,6 +85,7 @@ class InitializationData {
   bool is_cenc_;
   bool is_hls_;
   bool is_webm_;
+  bool is_audio_;
 
   std::vector<uint8_t> hls_iv_;
   CdmHlsMethod hls_method_;

libwvdrmengine/cdm/core/src/initialization_data.cpp

@@ -55,6 +55,7 @@ InitializationData::InitializationData(const std::string& type,
       is_cenc_(false),
       is_hls_(false),
       is_webm_(false),
+      is_audio_(false),
       hls_method_(kHlsMethodNone) {
   if (type == ISO_BMFF_VIDEO_MIME_TYPE || type == ISO_BMFF_AUDIO_MIME_TYPE ||
       type == CENC_INIT_DATA_FORMAT) {
@@ -65,6 +66,9 @@ InitializationData::InitializationData(const std::string& type,
   } else if (type == HLS_INIT_DATA_FORMAT) {
     is_hls_ = true;
   }
+  if (type == ISO_BMFF_AUDIO_MIME_TYPE || type == WEBM_AUDIO_MIME_TYPE) {
+    is_audio_ = true;
+  }
 
   if (data.size() && is_supported()) {
     if (is_cenc()) {

libwvdrmengine/cdm/include/wv_content_decryption_module.h

@@ -34,6 +34,7 @@ class WvContentDecryptionModule : public android::RefBase, public TimerHandler {
   static bool IsCenc(const std::string& init_data_type);
   static bool IsWebm(const std::string& init_data_type);
   static bool IsHls(const std::string& init_data_type);
+  static bool IsAudio(const std::string& init_data_type);
 
   // Session related methods
   virtual CdmResponseType OpenSession(const CdmKeySystem& key_system,

libwvdrmengine/cdm/src/wv_content_decryption_module.cpp

@@ -47,6 +47,10 @@ bool WvContentDecryptionModule::IsHls(const std::string& init_data_type) {
   return InitializationData(init_data_type).is_hls();
 }
 
+bool WvContentDecryptionModule::IsAudio(const std::string& init_data_type) {
+  return InitializationData(init_data_type).is_audio();
+}
+
 CdmResponseType WvContentDecryptionModule::OpenSession(
     const CdmKeySystem& key_system, CdmClientPropertySet* property_set,
     const CdmIdentifier& identifier, WvCdmEventListener* event_listener,

libwvdrmengine/src_hidl/WVDrmFactory.cpp

@@ -35,9 +35,22 @@ Return<bool> WVDrmFactory::isCryptoSchemeSupported_1_2(
         const hidl_array<uint8_t, 16>& uuid,
         const hidl_string& initDataType,
         SecurityLevel level) {
-    return isWidevineUUID(uuid.data()) &&
-            isContentTypeSupported(initDataType)
-            /* TODO: jtinker@ b/117104043 && wvcdm::IsSecurityLevelSupported(level)*/;
+
+    if (!isWidevineUUID(uuid.data()) || !isContentTypeSupported(initDataType)) {
+        return false;
+    }
+
+    if (wvcdm::WvContentDecryptionModule::IsSecurityLevelSupported(
+                    wvcdm::kSecurityLevelL1)) {
+        if (wvcdm::WvContentDecryptionModule::IsAudio(initDataType)) {
+            if (level < SecurityLevel::HW_SECURE_ALL) {
+                return true;
+            }
+        } else {
+            return true;
+        }
+    }
+    return level <= SecurityLevel::SW_SECURE_DECODE;
 }
 
 Return<bool> WVDrmFactory::isContentTypeSupported(