diff --git a/media/libaudioclient/PolicyAidlConversion.cpp b/media/libaudioclient/PolicyAidlConversion.cpp
new file mode 100644
index 0000000..25fdb49
--- /dev/null
+++ b/media/libaudioclient/PolicyAidlConversion.cpp
@@ -0,0 +1,469 @@
+/*
+ * Copyright (C) 2021 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_TAG "PolicyAidlConversion"
+//#define LOG_NDEBUG 0
+#include <utils/Log.h>
+
+#include "media/PolicyAidlConversion.h"
+
+#include "media/AidlConversion.h"
+
+namespace android {
+
+using base::unexpected;
+
+ConversionResult<volume_group_t>
+aidl2legacy_int32_t_volume_group_t(int32_t aidl) {
+    return convertReinterpret<volume_group_t>(aidl);
+}
+
+ConversionResult<int32_t>
+legacy2aidl_volume_group_t_int32_t(volume_group_t legacy) {
+    return convertReinterpret<int32_t>(legacy);
+}
+
+ConversionResult<uint32_t>
+aidl2legacy_AudioMixType_uint32_t(media::AudioMixType aidl) {
+    switch (aidl) {
+        case media::AudioMixType::PLAYERS:
+            return MIX_TYPE_PLAYERS;
+        case media::AudioMixType::RECORDERS:
+            return MIX_TYPE_RECORDERS;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioMixType>
+legacy2aidl_uint32_t_AudioMixType(uint32_t legacy) {
+    switch (legacy) {
+        case MIX_TYPE_PLAYERS:
+            return media::AudioMixType::PLAYERS;
+        case MIX_TYPE_RECORDERS:
+            return media::AudioMixType::RECORDERS;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<uint32_t>
+aidl2legacy_AudioMixCallbackFlag_uint32_t(media::AudioMixCallbackFlag aidl) {
+    switch (aidl) {
+        case media::AudioMixCallbackFlag::NOTIFY_ACTIVITY:
+            return AudioMix::kCbFlagNotifyActivity;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioMixCallbackFlag>
+legacy2aidl_uint32_t_AudioMixCallbackFlag(uint32_t legacy) {
+    switch (legacy) {
+        case AudioMix::kCbFlagNotifyActivity:
+            return media::AudioMixCallbackFlag::NOTIFY_ACTIVITY;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<uint32_t>
+aidl2legacy_AudioMixCallbackFlag_uint32_t_mask(int32_t aidl) {
+    return convertBitmask<uint32_t, int32_t, uint32_t, media::AudioMixCallbackFlag>(
+            aidl,
+            aidl2legacy_AudioMixCallbackFlag_uint32_t,
+            indexToEnum_index<media::AudioMixCallbackFlag>,
+            enumToMask_bitmask<uint32_t, uint32_t>);
+}
+
+ConversionResult<int32_t>
+legacy2aidl_uint32_t_AudioMixCallbackFlag_mask(uint32_t legacy) {
+    return convertBitmask<int32_t, uint32_t, media::AudioMixCallbackFlag, uint32_t>(
+            legacy,
+            legacy2aidl_uint32_t_AudioMixCallbackFlag,
+            indexToEnum_bitmask<uint32_t>,
+            enumToMask_index<int32_t, media::AudioMixCallbackFlag>);
+}
+
+ConversionResult<uint32_t>
+aidl2legacy_AudioMixRouteFlag_uint32_t(media::AudioMixRouteFlag aidl) {
+    switch (aidl) {
+        case media::AudioMixRouteFlag::RENDER:
+            return MIX_ROUTE_FLAG_RENDER;
+        case media::AudioMixRouteFlag::LOOP_BACK:
+            return MIX_ROUTE_FLAG_LOOP_BACK;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioMixRouteFlag>
+legacy2aidl_uint32_t_AudioMixRouteFlag(uint32_t legacy) {
+    switch (legacy) {
+        case MIX_ROUTE_FLAG_RENDER:
+            return media::AudioMixRouteFlag::RENDER;
+        case MIX_ROUTE_FLAG_LOOP_BACK:
+            return media::AudioMixRouteFlag::LOOP_BACK;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<uint32_t>
+aidl2legacy_AudioMixRouteFlag_uint32_t_mask(int32_t aidl) {
+    return convertBitmask<uint32_t, int32_t, uint32_t, media::AudioMixRouteFlag>(
+            aidl,
+            aidl2legacy_AudioMixRouteFlag_uint32_t,
+            indexToEnum_index<media::AudioMixRouteFlag>,
+            enumToMask_bitmask<uint32_t, uint32_t>);
+}
+
+ConversionResult<int32_t>
+legacy2aidl_uint32_t_AudioMixRouteFlag_mask(uint32_t legacy) {
+    return convertBitmask<int32_t, uint32_t, media::AudioMixRouteFlag, uint32_t>(
+            legacy,
+            legacy2aidl_uint32_t_AudioMixRouteFlag,
+            indexToEnum_bitmask<uint32_t>,
+            enumToMask_index<int32_t, media::AudioMixRouteFlag>);
+}
+
+// This type is unnamed in the original definition, thus we name it here.
+using AudioMixMatchCriterionValue = decltype(AudioMixMatchCriterion::mValue);
+
+ConversionResult<AudioMixMatchCriterionValue>
+aidl2legacy_AudioMixMatchCriterionValue(
+        const media::AudioMixMatchCriterionValue& aidl,
+        uint32_t* rule) {
+    AudioMixMatchCriterionValue legacy;
+    *rule = 0;
+    switch (aidl.getTag()) {
+        case media::AudioMixMatchCriterionValue::usage:
+            legacy.mUsage = VALUE_OR_RETURN(
+                    aidl2legacy_AudioUsage_audio_usage_t(UNION_GET(aidl, usage).value()));
+            *rule |= RULE_MATCH_ATTRIBUTE_USAGE;
+            return legacy;
+
+        case media::AudioMixMatchCriterionValue::source:
+            legacy.mSource = VALUE_OR_RETURN(
+                    aidl2legacy_AudioSourceType_audio_source_t(UNION_GET(aidl, source).value()));
+            *rule |= RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET;
+            return legacy;
+
+        case media::AudioMixMatchCriterionValue::uid:
+            legacy.mUid = VALUE_OR_RETURN(
+                    aidl2legacy_int32_t_uid_t(UNION_GET(aidl, uid).value()));
+            *rule |= RULE_MATCH_UID;
+            return legacy;
+
+        case media::AudioMixMatchCriterionValue::userId:
+            legacy.mUserId = VALUE_OR_RETURN(
+                    convertIntegral<int>(UNION_GET(aidl, userId).value()));
+            *rule |= RULE_MATCH_USERID;
+            return legacy;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioMixMatchCriterionValue>
+legacy2aidl_AudioMixMatchCriterionValue(
+        const AudioMixMatchCriterionValue& legacy,
+        uint32_t rule) {
+    media::AudioMixMatchCriterionValue aidl;
+    switch (rule) {
+        case RULE_MATCH_ATTRIBUTE_USAGE:
+            UNION_SET(aidl, usage,
+                      VALUE_OR_RETURN(legacy2aidl_audio_usage_t_AudioUsage(legacy.mUsage)));
+            break;
+
+        case RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET:
+            UNION_SET(aidl, source,
+                      VALUE_OR_RETURN(legacy2aidl_audio_source_t_AudioSourceType(legacy.mSource)));
+            break;
+
+        case RULE_MATCH_UID:
+            UNION_SET(aidl, uid, VALUE_OR_RETURN(legacy2aidl_uid_t_int32_t(legacy.mUid)));
+            break;
+
+        case RULE_MATCH_USERID:
+            UNION_SET(aidl, userId, VALUE_OR_RETURN(convertReinterpret<uint32_t>(legacy.mUserId)));
+            break;
+
+        default:
+            return unexpected(BAD_VALUE);
+    }
+    return aidl;
+}
+
+
+ConversionResult<AudioMixMatchCriterion>
+aidl2legacy_AudioMixMatchCriterion(const media::AudioMixMatchCriterion& aidl) {
+    AudioMixMatchCriterion legacy;
+    legacy.mValue = VALUE_OR_RETURN(
+            aidl2legacy_AudioMixMatchCriterionValue(aidl.value, &legacy.mRule));
+    if (aidl.invert) {
+        legacy.mRule |= RULE_EXCLUSION_MASK;
+    }
+    return legacy;
+}
+
+ConversionResult<media::AudioMixMatchCriterion>
+legacy2aidl_AudioMixMatchCriterion(const AudioMixMatchCriterion& legacy) {
+    media::AudioMixMatchCriterion aidl;
+    uint32_t rule = legacy.mRule;
+    if (rule & RULE_EXCLUSION_MASK) {
+        aidl.invert = true;
+        rule &= ~RULE_EXCLUSION_MASK;
+    }
+    aidl.value = VALUE_OR_RETURN(legacy2aidl_AudioMixMatchCriterionValue(legacy.mValue, rule));
+    return aidl;
+}
+
+ConversionResult<AudioMix>
+aidl2legacy_AudioMix(const media::AudioMix& aidl) {
+    AudioMix legacy;
+    RETURN_IF_ERROR(convertRange(aidl.criteria.begin(), aidl.criteria.end(),
+                                 std::back_inserter(legacy.mCriteria),
+                                 aidl2legacy_AudioMixMatchCriterion));
+    legacy.mMixType = VALUE_OR_RETURN(aidl2legacy_AudioMixType_uint32_t(aidl.mixType));
+    legacy.mFormat = VALUE_OR_RETURN(aidl2legacy_AudioConfig_audio_config_t(aidl.format));
+    legacy.mRouteFlags = VALUE_OR_RETURN(
+            aidl2legacy_AudioMixRouteFlag_uint32_t_mask(aidl.routeFlags));
+    legacy.mDeviceType = VALUE_OR_RETURN(aidl2legacy_int32_t_audio_devices_t(aidl.device.type));
+    legacy.mDeviceAddress = VALUE_OR_RETURN(aidl2legacy_string_view_String8(aidl.device.address));
+    legacy.mCbFlags = VALUE_OR_RETURN(aidl2legacy_AudioMixCallbackFlag_uint32_t_mask(aidl.cbFlags));
+    legacy.mAllowPrivilegedMediaPlaybackCapture = aidl.allowPrivilegedMediaPlaybackCapture;
+    legacy.mVoiceCommunicationCaptureAllowed = aidl.voiceCommunicationCaptureAllowed;
+    return legacy;
+}
+
+ConversionResult<media::AudioMix>
+legacy2aidl_AudioMix(const AudioMix& legacy) {
+    media::AudioMix aidl;
+    aidl.criteria = VALUE_OR_RETURN(
+            convertContainer<std::vector<media::AudioMixMatchCriterion>>(
+                    legacy.mCriteria,
+                    legacy2aidl_AudioMixMatchCriterion));
+    aidl.mixType = VALUE_OR_RETURN(legacy2aidl_uint32_t_AudioMixType(legacy.mMixType));
+    aidl.format = VALUE_OR_RETURN(legacy2aidl_audio_config_t_AudioConfig(legacy.mFormat));
+    aidl.routeFlags = VALUE_OR_RETURN(
+            legacy2aidl_uint32_t_AudioMixRouteFlag_mask(legacy.mRouteFlags));
+    aidl.device.type = VALUE_OR_RETURN(legacy2aidl_audio_devices_t_int32_t(legacy.mDeviceType));
+    aidl.device.address = VALUE_OR_RETURN(legacy2aidl_String8_string(legacy.mDeviceAddress));
+    aidl.cbFlags = VALUE_OR_RETURN(legacy2aidl_uint32_t_AudioMixCallbackFlag_mask(legacy.mCbFlags));
+    aidl.allowPrivilegedMediaPlaybackCapture = legacy.mAllowPrivilegedMediaPlaybackCapture;
+    aidl.voiceCommunicationCaptureAllowed = legacy.mVoiceCommunicationCaptureAllowed;
+    return aidl;
+}
+
+ConversionResult<audio_policy_dev_state_t>
+aidl2legacy_AudioPolicyDeviceState_audio_policy_dev_state_t(media::AudioPolicyDeviceState aidl) {
+    switch (aidl) {
+        case media::AudioPolicyDeviceState::UNAVAILABLE:
+            return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
+        case media::AudioPolicyDeviceState::AVAILABLE:
+            return AUDIO_POLICY_DEVICE_STATE_AVAILABLE;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioPolicyDeviceState>
+legacy2aidl_audio_policy_dev_state_t_AudioPolicyDeviceState(audio_policy_dev_state_t legacy) {
+    switch (legacy) {
+        case AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE:
+            return media::AudioPolicyDeviceState::UNAVAILABLE;
+        case AUDIO_POLICY_DEVICE_STATE_AVAILABLE:
+            return media::AudioPolicyDeviceState::AVAILABLE;
+        case AUDIO_POLICY_DEVICE_STATE_CNT:
+            break;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<audio_policy_force_use_t>
+aidl2legacy_AudioPolicyForceUse_audio_policy_force_use_t(media::AudioPolicyForceUse aidl) {
+    switch (aidl) {
+        case media::AudioPolicyForceUse::COMMUNICATION:
+            return AUDIO_POLICY_FORCE_FOR_COMMUNICATION;
+        case media::AudioPolicyForceUse::MEDIA:
+            return AUDIO_POLICY_FORCE_FOR_MEDIA;
+        case media::AudioPolicyForceUse::RECORD:
+            return AUDIO_POLICY_FORCE_FOR_RECORD;
+        case media::AudioPolicyForceUse::DOCK:
+            return AUDIO_POLICY_FORCE_FOR_DOCK;
+        case media::AudioPolicyForceUse::SYSTEM:
+            return AUDIO_POLICY_FORCE_FOR_SYSTEM;
+        case media::AudioPolicyForceUse::HDMI_SYSTEM_AUDIO:
+            return AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO;
+        case media::AudioPolicyForceUse::ENCODED_SURROUND:
+            return AUDIO_POLICY_FORCE_FOR_ENCODED_SURROUND;
+        case media::AudioPolicyForceUse::VIBRATE_RINGING:
+            return AUDIO_POLICY_FORCE_FOR_VIBRATE_RINGING;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioPolicyForceUse>
+legacy2aidl_audio_policy_force_use_t_AudioPolicyForceUse(audio_policy_force_use_t legacy) {
+    switch (legacy) {
+        case AUDIO_POLICY_FORCE_FOR_COMMUNICATION:
+            return media::AudioPolicyForceUse::COMMUNICATION;
+        case AUDIO_POLICY_FORCE_FOR_MEDIA:
+            return media::AudioPolicyForceUse::MEDIA;
+        case AUDIO_POLICY_FORCE_FOR_RECORD:
+            return media::AudioPolicyForceUse::RECORD;
+        case AUDIO_POLICY_FORCE_FOR_DOCK:
+            return media::AudioPolicyForceUse::DOCK;
+        case AUDIO_POLICY_FORCE_FOR_SYSTEM:
+            return media::AudioPolicyForceUse::SYSTEM;
+        case AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO:
+            return media::AudioPolicyForceUse::HDMI_SYSTEM_AUDIO;
+        case AUDIO_POLICY_FORCE_FOR_ENCODED_SURROUND:
+            return media::AudioPolicyForceUse::ENCODED_SURROUND;
+        case AUDIO_POLICY_FORCE_FOR_VIBRATE_RINGING:
+            return media::AudioPolicyForceUse::VIBRATE_RINGING;
+        case AUDIO_POLICY_FORCE_USE_CNT:
+            break;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<audio_policy_forced_cfg_t>
+aidl2legacy_AudioPolicyForcedConfig_audio_policy_forced_cfg_t(media::AudioPolicyForcedConfig aidl) {
+    switch (aidl) {
+        case media::AudioPolicyForcedConfig::NONE:
+            return AUDIO_POLICY_FORCE_NONE;
+        case media::AudioPolicyForcedConfig::SPEAKER:
+            return AUDIO_POLICY_FORCE_SPEAKER;
+        case media::AudioPolicyForcedConfig::HEADPHONES:
+            return AUDIO_POLICY_FORCE_HEADPHONES;
+        case media::AudioPolicyForcedConfig::BT_SCO:
+            return AUDIO_POLICY_FORCE_BT_SCO;
+        case media::AudioPolicyForcedConfig::BT_A2DP:
+            return AUDIO_POLICY_FORCE_BT_A2DP;
+        case media::AudioPolicyForcedConfig::WIRED_ACCESSORY:
+            return AUDIO_POLICY_FORCE_WIRED_ACCESSORY;
+        case media::AudioPolicyForcedConfig::BT_CAR_DOCK:
+            return AUDIO_POLICY_FORCE_BT_CAR_DOCK;
+        case media::AudioPolicyForcedConfig::BT_DESK_DOCK:
+            return AUDIO_POLICY_FORCE_BT_DESK_DOCK;
+        case media::AudioPolicyForcedConfig::ANALOG_DOCK:
+            return AUDIO_POLICY_FORCE_ANALOG_DOCK;
+        case media::AudioPolicyForcedConfig::DIGITAL_DOCK:
+            return AUDIO_POLICY_FORCE_DIGITAL_DOCK;
+        case media::AudioPolicyForcedConfig::NO_BT_A2DP:
+            return AUDIO_POLICY_FORCE_NO_BT_A2DP;
+        case media::AudioPolicyForcedConfig::SYSTEM_ENFORCED:
+            return AUDIO_POLICY_FORCE_SYSTEM_ENFORCED;
+        case media::AudioPolicyForcedConfig::HDMI_SYSTEM_AUDIO_ENFORCED:
+            return AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED;
+        case media::AudioPolicyForcedConfig::ENCODED_SURROUND_NEVER:
+            return AUDIO_POLICY_FORCE_ENCODED_SURROUND_NEVER;
+        case media::AudioPolicyForcedConfig::ENCODED_SURROUND_ALWAYS:
+            return AUDIO_POLICY_FORCE_ENCODED_SURROUND_ALWAYS;
+        case media::AudioPolicyForcedConfig::ENCODED_SURROUND_MANUAL:
+            return AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioPolicyForcedConfig>
+legacy2aidl_audio_policy_forced_cfg_t_AudioPolicyForcedConfig(audio_policy_forced_cfg_t legacy) {
+    switch (legacy) {
+        case AUDIO_POLICY_FORCE_NONE:
+            return media::AudioPolicyForcedConfig::NONE;
+        case AUDIO_POLICY_FORCE_SPEAKER:
+            return media::AudioPolicyForcedConfig::SPEAKER;
+        case AUDIO_POLICY_FORCE_HEADPHONES:
+            return media::AudioPolicyForcedConfig::HEADPHONES;
+        case AUDIO_POLICY_FORCE_BT_SCO:
+            return media::AudioPolicyForcedConfig::BT_SCO;
+        case AUDIO_POLICY_FORCE_BT_A2DP:
+            return media::AudioPolicyForcedConfig::BT_A2DP;
+        case AUDIO_POLICY_FORCE_WIRED_ACCESSORY:
+            return media::AudioPolicyForcedConfig::WIRED_ACCESSORY;
+        case AUDIO_POLICY_FORCE_BT_CAR_DOCK:
+            return media::AudioPolicyForcedConfig::BT_CAR_DOCK;
+        case AUDIO_POLICY_FORCE_BT_DESK_DOCK:
+            return media::AudioPolicyForcedConfig::BT_DESK_DOCK;
+        case AUDIO_POLICY_FORCE_ANALOG_DOCK:
+            return media::AudioPolicyForcedConfig::ANALOG_DOCK;
+        case AUDIO_POLICY_FORCE_DIGITAL_DOCK:
+            return media::AudioPolicyForcedConfig::DIGITAL_DOCK;
+        case AUDIO_POLICY_FORCE_NO_BT_A2DP:
+            return media::AudioPolicyForcedConfig::NO_BT_A2DP;
+        case AUDIO_POLICY_FORCE_SYSTEM_ENFORCED:
+            return media::AudioPolicyForcedConfig::SYSTEM_ENFORCED;
+        case AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED:
+            return media::AudioPolicyForcedConfig::HDMI_SYSTEM_AUDIO_ENFORCED;
+        case AUDIO_POLICY_FORCE_ENCODED_SURROUND_NEVER:
+            return media::AudioPolicyForcedConfig::ENCODED_SURROUND_NEVER;
+        case AUDIO_POLICY_FORCE_ENCODED_SURROUND_ALWAYS:
+            return media::AudioPolicyForcedConfig::ENCODED_SURROUND_ALWAYS;
+        case AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL:
+            return media::AudioPolicyForcedConfig::ENCODED_SURROUND_MANUAL;
+        case AUDIO_POLICY_FORCE_CFG_CNT:
+            break;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<device_role_t>
+aidl2legacy_DeviceRole_device_role_t(media::DeviceRole aidl) {
+    switch (aidl) {
+        case media::DeviceRole::NONE:
+            return DEVICE_ROLE_NONE;
+        case media::DeviceRole::PREFERRED:
+            return DEVICE_ROLE_PREFERRED;
+        case media::DeviceRole::DISABLED:
+            return DEVICE_ROLE_DISABLED;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::DeviceRole>
+legacy2aidl_device_role_t_DeviceRole(device_role_t legacy) {
+    switch (legacy) {
+        case DEVICE_ROLE_NONE:
+            return media::DeviceRole::NONE;
+        case DEVICE_ROLE_PREFERRED:
+            return media::DeviceRole::PREFERRED;
+        case DEVICE_ROLE_DISABLED:
+            return media::DeviceRole::DISABLED;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<audio_offload_mode_t>
+aidl2legacy_AudioOffloadMode_audio_offload_mode_t(media::AudioOffloadMode aidl) {
+    switch (aidl) {
+        case media::AudioOffloadMode::NOT_SUPPORTED:
+            return AUDIO_OFFLOAD_NOT_SUPPORTED;
+        case media::AudioOffloadMode::SUPPORTED:
+            return AUDIO_OFFLOAD_SUPPORTED;
+        case media::AudioOffloadMode::GAPLESS_SUPPORTED:
+            return AUDIO_OFFLOAD_GAPLESS_SUPPORTED;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioOffloadMode>
+legacy2aidl_audio_offload_mode_t_AudioOffloadMode(audio_offload_mode_t legacy) {
+    switch (legacy) {
+        case AUDIO_OFFLOAD_NOT_SUPPORTED:
+            return media::AudioOffloadMode::NOT_SUPPORTED;
+        case AUDIO_OFFLOAD_SUPPORTED:
+            return media::AudioOffloadMode::SUPPORTED;
+        case AUDIO_OFFLOAD_GAPLESS_SUPPORTED:
+            return media::AudioOffloadMode::GAPLESS_SUPPORTED;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+}  // namespace android