diff --git a/services/mediaresourcemanager/ResourceManagerServiceUtils.cpp b/services/mediaresourcemanager/ResourceManagerServiceUtils.cpp
new file mode 100644
index 0000000..892b1b3
--- /dev/null
+++ b/services/mediaresourcemanager/ResourceManagerServiceUtils.cpp
@@ -0,0 +1,98 @@
+/*
+**
+** Copyright 2023, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "ResourceManagerServiceUtils"
+#include <utils/Log.h>
+
+#include "ResourceManagerService.h"
+#include "ResourceManagerServiceUtils.h"
+
+namespace android {
+
+bool hasResourceType(MediaResource::Type type, MediaResource::SubType subType,
+        const MediaResourceParcel& resource) {
+    if (type != resource.type) {
+      return false;
+    }
+    switch (type) {
+        // Codec subtypes (e.g. video vs. audio) are each considered separate resources, so
+        // compare the subtypes as well.
+        case MediaResource::Type::kSecureCodec:
+        case MediaResource::Type::kNonSecureCodec:
+            if (resource.subType == subType) {
+                return true;
+            }
+            break;
+        // Non-codec resources are not segregated by the subtype (e.g. video vs. audio).
+        default:
+            return true;
+    }
+    return false;
+}
+
+bool hasResourceType(MediaResource::Type type, MediaResource::SubType subType,
+        const ResourceList& resources) {
+    for (auto it = resources.begin(); it != resources.end(); it++) {
+        if (hasResourceType(type, subType, it->second)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool hasResourceType(MediaResource::Type type, MediaResource::SubType subType,
+        const ResourceInfos& infos) {
+    for (const auto& [id, info] : infos) {
+        if (hasResourceType(type, subType, info.resources)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+ResourceInfos& getResourceInfosForEdit(int pid, PidResourceInfosMap& map) {
+    PidResourceInfosMap::iterator found = map.find(pid);
+    if (found == map.end()) {
+        // new pid
+        ResourceInfos infosForPid;
+        auto [it, inserted] = map.emplace(pid, infosForPid);
+        found = it;
+    }
+
+    return found->second;
+}
+
+ResourceInfo& getResourceInfoForEdit(const ClientInfoParcel& clientInfo,
+        const std::shared_ptr<IResourceManagerClient>& client, ResourceInfos& infos) {
+    ResourceInfos::iterator found = infos.find(clientInfo.id);
+
+    if (found == infos.end()) {
+        ResourceInfo info{.uid = static_cast<uid_t>(clientInfo.uid),
+                          .clientId = clientInfo.id,
+                          .name = clientInfo.name.empty()? "<unknown client>" : clientInfo.name,
+                          .client = client,
+                          .deathNotifier = nullptr,
+                          .pendingRemoval = false};
+        auto [it, inserted] = infos.emplace(clientInfo.id, info);
+        found = it;
+    }
+
+    return found->second;
+}
+
+} // namespace android