diff --git a/drm/libmediadrm/DrmHal.cpp b/drm/libmediadrm/DrmHal.cpp
index 757ccda..5b32a04 100644
--- a/drm/libmediadrm/DrmHal.cpp
+++ b/drm/libmediadrm/DrmHal.cpp
@@ -39,6 +39,7 @@
 #include <mediadrm/DrmSessionClientInterface.h>
 #include <mediadrm/DrmSessionManager.h>
 #include <mediadrm/IDrmMetricsConsumer.h>
+#include <mediadrm/DrmUtils.h>
 
 #include <vector>
 
@@ -388,44 +389,8 @@
     mPluginV1_2.clear();
 }
 
-Vector<sp<IDrmFactory>> DrmHal::makeDrmFactories() {
-    Vector<sp<IDrmFactory>> factories;
-
-    auto manager = hardware::defaultServiceManager1_2();
-
-    if (manager != NULL) {
-        manager->listManifestByInterface(drm::V1_0::IDrmFactory::descriptor,
-                [&factories](const hidl_vec<hidl_string> &registered) {
-                    for (const auto &instance : registered) {
-                        auto factory = drm::V1_0::IDrmFactory::getService(instance);
-                        if (factory != NULL) {
-                            factories.push_back(factory);
-                        }
-                    }
-                }
-            );
-        manager->listManifestByInterface(drm::V1_1::IDrmFactory::descriptor,
-                [&factories](const hidl_vec<hidl_string> &registered) {
-                    for (const auto &instance : registered) {
-                        auto factory = drm::V1_1::IDrmFactory::getService(instance);
-                        if (factory != NULL) {
-                            factories.push_back(factory);
-                        }
-                    }
-                }
-            );
-        manager->listManifestByInterface(drm::V1_2::IDrmFactory::descriptor,
-                [&factories](const hidl_vec<hidl_string> &registered) {
-                    for (const auto &instance : registered) {
-                        auto factory = drm::V1_2::IDrmFactory::getService(instance);
-                        if (factory != NULL) {
-                            factories.push_back(factory);
-                        }
-                    }
-                }
-            );
-    }
-
+std::vector<sp<IDrmFactory>> DrmHal::makeDrmFactories() {
+    std::vector<sp<IDrmFactory>> factories(DrmUtils::MakeDrmFactories());
     if (factories.size() == 0) {
         // must be in passthrough mode, load the default passthrough service
         auto passthrough = IDrmFactory::getService();
diff --git a/drm/libmediadrm/DrmUtils.cpp b/drm/libmediadrm/DrmUtils.cpp
index a126a1d..3549637 100644
--- a/drm/libmediadrm/DrmUtils.cpp
+++ b/drm/libmediadrm/DrmUtils.cpp
@@ -75,7 +75,7 @@
             auto factory = Hal::getService(instance);
             if (factory != nullptr) {
                 ALOGI("found %s %s", Hal::descriptor, instance.c_str());
-                if (factory->isCryptoSchemeSupported(uuid)) {
+                if (!uuid || factory->isCryptoSchemeSupported(uuid)) {
                     factories.push_back(factory);
                 }
             }
diff --git a/drm/libmediadrm/include/mediadrm/DrmHal.h b/drm/libmediadrm/include/mediadrm/DrmHal.h
index 6818dd7..3b4639b 100644
--- a/drm/libmediadrm/include/mediadrm/DrmHal.h
+++ b/drm/libmediadrm/include/mediadrm/DrmHal.h
@@ -198,7 +198,7 @@
     mutable Mutex mEventLock;
     mutable Mutex mNotifyLock;
 
-    const Vector<sp<IDrmFactory>> mFactories;
+    const std::vector<sp<IDrmFactory>> mFactories;
     sp<IDrmPlugin> mPlugin;
     sp<drm::V1_1::IDrmPlugin> mPluginV1_1;
     sp<drm::V1_2::IDrmPlugin> mPluginV1_2;
@@ -219,7 +219,7 @@
      */
     status_t mInitCheck;
 
-    Vector<sp<IDrmFactory>> makeDrmFactories();
+    std::vector<sp<IDrmFactory>> makeDrmFactories();
     sp<IDrmPlugin> makeDrmPlugin(const sp<IDrmFactory>& factory,
             const uint8_t uuid[16], const String8& appPackageName);
 
diff --git a/drm/libmediadrm/interface/mediadrm/DrmUtils.h b/drm/libmediadrm/interface/mediadrm/DrmUtils.h
index 3017274..f2f71d7 100644
--- a/drm/libmediadrm/interface/mediadrm/DrmUtils.h
+++ b/drm/libmediadrm/interface/mediadrm/DrmUtils.h
@@ -82,7 +82,7 @@
     obj.writeInt32(hasNewUsableKey);
 }
 
-std::vector<sp<::V1_0::IDrmFactory>> MakeDrmFactories(const uint8_t uuid[16]);
+std::vector<sp<::V1_0::IDrmFactory>> MakeDrmFactories(const uint8_t uuid[16] = nullptr);
 
 std::vector<sp<::V1_0::IDrmPlugin>> MakeDrmPlugins(const uint8_t uuid[16],
                                                    const char *appPackageName);