diff --git a/audio/aidl/common/include/Utils.h b/audio/aidl/common/include/Utils.h
new file mode 100644
index 0000000..1a87882
--- /dev/null
+++ b/audio/aidl/common/include/Utils.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#pragma once
+
+#include <aidl/android/media/audio/common/AudioChannelLayout.h>
+#include <aidl/android/media/audio/common/AudioFormatDescription.h>
+#include <aidl/android/media/audio/common/PcmType.h>
+
+namespace android::hardware::audio::common {
+
+constexpr size_t getPcmSampleSizeInBytes(::aidl::android::media::audio::common::PcmType pcm) {
+    using ::aidl::android::media::audio::common::PcmType;
+    switch (pcm) {
+        case PcmType::UINT_8_BIT:
+            return 1;
+        case PcmType::INT_16_BIT:
+            return 2;
+        case PcmType::INT_32_BIT:
+            return 4;
+        case PcmType::FIXED_Q_8_24:
+            return 4;
+        case PcmType::FLOAT_32_BIT:
+            return 4;
+        case PcmType::INT_24_BIT:
+            return 3;
+    }
+    return 0;
+}
+
+constexpr size_t getChannelCount(
+        const ::aidl::android::media::audio::common::AudioChannelLayout& layout) {
+    using Tag = ::aidl::android::media::audio::common::AudioChannelLayout::Tag;
+    switch (layout.getTag()) {
+        case Tag::none:
+            return 0;
+        case Tag::invalid:
+            return 0;
+        case Tag::indexMask:
+            return __builtin_popcount(layout.get<Tag::indexMask>());
+        case Tag::layoutMask:
+            return __builtin_popcount(layout.get<Tag::layoutMask>());
+        case Tag::voiceMask:
+            return __builtin_popcount(layout.get<Tag::voiceMask>());
+    }
+    return 0;
+}
+
+constexpr size_t getFrameSizeInBytes(
+        const ::aidl::android::media::audio::common::AudioFormatDescription& format,
+        const ::aidl::android::media::audio::common::AudioChannelLayout& layout) {
+    using ::aidl::android::media::audio::common::AudioFormatType;
+    if (format.type == AudioFormatType::PCM) {
+        return getPcmSampleSizeInBytes(format.pcm) * getChannelCount(layout);
+    }
+    // For non-PCM formats always use frame size of 1.
+    return 1;
+}
+
+}  // namespace android::hardware::audio::common