diff --git a/media/audioaidlconversion/AidlConversionCppNdk.cpp b/media/audioaidlconversion/AidlConversionCppNdk.cpp
index 1bbd86e..8704314 100644
--- a/media/audioaidlconversion/AidlConversionCppNdk.cpp
+++ b/media/audioaidlconversion/AidlConversionCppNdk.cpp
@@ -69,6 +69,8 @@
 using media::audio::common::AudioOffloadInfo;
 using media::audio::common::AudioOutputFlags;
 using media::audio::common::AudioPlaybackRate;
+using media::audio::common::AudioPort;
+using media::audio::common::AudioPortConfig;
 using media::audio::common::AudioPortDeviceExt;
 using media::audio::common::AudioPortExt;
 using media::audio::common::AudioPortMixExt;
@@ -1766,6 +1768,60 @@
     return aidl;
 }
 
+ConversionResult<AudioPortDirection> portDirection(audio_port_role_t role, audio_port_type_t type) {
+    switch (type) {
+        case AUDIO_PORT_TYPE_NONE:
+        case AUDIO_PORT_TYPE_SESSION:
+            break;  // must be listed  -Werror,-Wswitch
+        case AUDIO_PORT_TYPE_DEVICE:
+            switch (role) {
+                case AUDIO_PORT_ROLE_NONE:
+                     break;  // must be listed  -Werror,-Wswitch
+                case AUDIO_PORT_ROLE_SOURCE:
+                    return AudioPortDirection::INPUT;
+                case AUDIO_PORT_ROLE_SINK:
+                    return AudioPortDirection::OUTPUT;
+            }
+            break;
+        case AUDIO_PORT_TYPE_MIX:
+            switch (role) {
+                case AUDIO_PORT_ROLE_NONE:
+                     break;  // must be listed  -Werror,-Wswitch
+                case AUDIO_PORT_ROLE_SOURCE:
+                    return AudioPortDirection::OUTPUT;
+                case AUDIO_PORT_ROLE_SINK:
+                    return AudioPortDirection::INPUT;
+            }
+            break;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<audio_port_role_t> portRole(AudioPortDirection direction, audio_port_type_t type) {
+    switch (type) {
+        case AUDIO_PORT_TYPE_NONE:
+        case AUDIO_PORT_TYPE_SESSION:
+            break;  // must be listed  -Werror,-Wswitch
+        case AUDIO_PORT_TYPE_DEVICE:
+            switch (direction) {
+                case AudioPortDirection::INPUT:
+                    return AUDIO_PORT_ROLE_SOURCE;
+                case AudioPortDirection::OUTPUT:
+                    return AUDIO_PORT_ROLE_SINK;
+            }
+            break;
+        case AUDIO_PORT_TYPE_MIX:
+            switch (direction) {
+                case AudioPortDirection::OUTPUT:
+                    return AUDIO_PORT_ROLE_SOURCE;
+                case AudioPortDirection::INPUT:
+                    return AUDIO_PORT_ROLE_SINK;
+            }
+            break;
+    }
+    return unexpected(BAD_VALUE);
+}
+
 ConversionResult<audio_config_t>
 aidl2legacy_AudioConfig_audio_config_t(const AudioConfig& aidl, bool isInput) {
     const audio_config_base_t legacyBase = VALUE_OR_RETURN(
@@ -1909,6 +1965,396 @@
             enumToMask_index<int32_t, AudioEncapsulationMetadataType>);
 }
 
+ConversionResult<audio_port_config_mix_ext_usecase>
+aidl2legacy_AudioPortMixExtUseCase_audio_port_config_mix_ext_usecase(
+        const AudioPortMixExtUseCase& aidl, bool isInput) {
+    audio_port_config_mix_ext_usecase legacy{};
+    if (aidl.getTag() != AudioPortMixExtUseCase::Tag::unspecified) {
+        if (!isInput) {
+            legacy.stream = VALUE_OR_RETURN(aidl2legacy_AudioStreamType_audio_stream_type_t(
+                            VALUE_OR_RETURN(UNION_GET(aidl, stream))));
+        } else {
+            legacy.source = VALUE_OR_RETURN(aidl2legacy_AudioSource_audio_source_t(
+                            VALUE_OR_RETURN(UNION_GET(aidl, source))));
+        }
+    }
+    return legacy;
+}
+
+ConversionResult<AudioPortMixExtUseCase>
+legacy2aidl_audio_port_config_mix_ext_usecase_AudioPortMixExtUseCase(
+        const audio_port_config_mix_ext_usecase& legacy, bool isInput) {
+    AudioPortMixExtUseCase aidl;
+    if (!isInput) {
+        UNION_SET(aidl, stream, VALUE_OR_RETURN(
+                        legacy2aidl_audio_stream_type_t_AudioStreamType(legacy.stream)));
+    } else {
+        UNION_SET(aidl, source, VALUE_OR_RETURN(
+                        legacy2aidl_audio_source_t_AudioSource(legacy.source)));
+    }
+    return aidl;
+}
+
+ConversionResult<audio_port_config_mix_ext> aidl2legacy_AudioPortMixExt_audio_port_config_mix_ext(
+        const AudioPortMixExt& aidl, bool isInput) {
+    audio_port_config_mix_ext legacy{};
+    legacy.handle = VALUE_OR_RETURN(aidl2legacy_int32_t_audio_io_handle_t(aidl.handle));
+    legacy.usecase = VALUE_OR_RETURN(
+            aidl2legacy_AudioPortMixExtUseCase_audio_port_config_mix_ext_usecase(
+                    aidl.usecase, isInput));
+    return legacy;
+}
+
+ConversionResult<AudioPortMixExt> legacy2aidl_audio_port_config_mix_ext_AudioPortMixExt(
+        const audio_port_config_mix_ext& legacy, bool isInput) {
+    AudioPortMixExt aidl;
+    aidl.handle = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(legacy.handle));
+    aidl.usecase = VALUE_OR_RETURN(
+            legacy2aidl_audio_port_config_mix_ext_usecase_AudioPortMixExtUseCase(
+                    legacy.usecase, isInput));
+    return aidl;
+}
+
+ConversionResult<audio_port_config_device_ext>
+aidl2legacy_AudioPortDeviceExt_audio_port_config_device_ext(const AudioPortDeviceExt& aidl) {
+    audio_port_config_device_ext legacy{};
+    RETURN_IF_ERROR(aidl2legacy_AudioDevice_audio_device(
+                    aidl.device, &legacy.type, legacy.address));
+    return legacy;
+}
+
+ConversionResult<AudioPortDeviceExt> legacy2aidl_audio_port_config_device_ext_AudioPortDeviceExt(
+        const audio_port_config_device_ext& legacy) {
+    AudioPortDeviceExt aidl;
+    aidl.device = VALUE_OR_RETURN(
+            legacy2aidl_audio_device_AudioDevice(legacy.type, legacy.address));
+    return aidl;
+}
+
+// This type is unnamed in the original definition, thus we name it here.
+using audio_port_config_ext = decltype(audio_port_config::ext);
+
+status_t aidl2legacy_AudioPortExt_audio_port_config_ext(
+        const AudioPortExt& aidl, bool isInput,
+        audio_port_config_ext* legacy, audio_port_type_t* type) {
+    switch (aidl.getTag()) {
+        case AudioPortExt::Tag::unspecified:
+            // Just verify that the union is empty.
+            VALUE_OR_RETURN_STATUS(UNION_GET(aidl, unspecified));
+            *legacy = {};
+            *type = AUDIO_PORT_TYPE_NONE;
+            return OK;
+        case AudioPortExt::Tag::device:
+            legacy->device = VALUE_OR_RETURN_STATUS(
+                    aidl2legacy_AudioPortDeviceExt_audio_port_config_device_ext(
+                            VALUE_OR_RETURN_STATUS(UNION_GET(aidl, device))));
+            *type = AUDIO_PORT_TYPE_DEVICE;
+            return OK;
+        case AudioPortExt::Tag::mix:
+            legacy->mix = VALUE_OR_RETURN_STATUS(
+                    aidl2legacy_AudioPortMixExt_audio_port_config_mix_ext(
+                            VALUE_OR_RETURN_STATUS(UNION_GET(aidl, mix)), isInput));
+            *type = AUDIO_PORT_TYPE_MIX;
+            return OK;
+        case AudioPortExt::Tag::session:
+            // This variant is not used in the HAL scenario.
+            legacy->session.session = AUDIO_SESSION_NONE;
+            *type = AUDIO_PORT_TYPE_SESSION;
+            return OK;
+
+    }
+    LOG_ALWAYS_FATAL("Shouldn't get here"); // with -Werror,-Wswitch may compile-time fail
+}
+
+ConversionResult<AudioPortExt> legacy2aidl_audio_port_config_ext_AudioPortExt(
+        const audio_port_config_ext& legacy, audio_port_type_t type, bool isInput) {
+    AudioPortExt aidl;
+    switch (type) {
+        case AUDIO_PORT_TYPE_NONE:
+            UNION_SET(aidl, unspecified, false);
+            return aidl;
+        case AUDIO_PORT_TYPE_DEVICE: {
+            AudioPortDeviceExt device = VALUE_OR_RETURN(
+                    legacy2aidl_audio_port_config_device_ext_AudioPortDeviceExt(legacy.device));
+            UNION_SET(aidl, device, device);
+            return aidl;
+        }
+        case AUDIO_PORT_TYPE_MIX: {
+            AudioPortMixExt mix = VALUE_OR_RETURN(
+                    legacy2aidl_audio_port_config_mix_ext_AudioPortMixExt(legacy.mix, isInput));
+            UNION_SET(aidl, mix, mix);
+            return aidl;
+        }
+        case AUDIO_PORT_TYPE_SESSION:
+            // This variant is not used in the HAL scenario.
+            UNION_SET(aidl, unspecified, false);
+            return aidl;
+    }
+    LOG_ALWAYS_FATAL("Shouldn't get here"); // with -Werror,-Wswitch may compile-time fail
+}
+
+status_t aidl2legacy_AudioPortConfig_audio_port_config(
+        const AudioPortConfig& aidl, bool isInput, audio_port_config* legacy, int32_t* portId) {
+    legacy->id = VALUE_OR_RETURN_STATUS(aidl2legacy_int32_t_audio_port_handle_t(aidl.id));
+    *portId = aidl.portId;
+    if (aidl.sampleRate.has_value()) {
+        legacy->sample_rate = VALUE_OR_RETURN_STATUS(
+                convertIntegral<unsigned int>(aidl.sampleRate.value().value));
+        legacy->config_mask |= AUDIO_PORT_CONFIG_SAMPLE_RATE;
+    }
+    if (aidl.channelMask.has_value()) {
+        legacy->channel_mask =
+                VALUE_OR_RETURN_STATUS(
+                        aidl2legacy_AudioChannelLayout_audio_channel_mask_t(
+                                aidl.channelMask.value(), isInput));
+        legacy->config_mask |= AUDIO_PORT_CONFIG_CHANNEL_MASK;
+    }
+    if (aidl.format.has_value()) {
+        legacy->format = VALUE_OR_RETURN_STATUS(
+                aidl2legacy_AudioFormatDescription_audio_format_t(aidl.format.value()));
+        legacy->config_mask |= AUDIO_PORT_CONFIG_FORMAT;
+    }
+    if (aidl.gain.has_value()) {
+        legacy->gain = VALUE_OR_RETURN_STATUS(aidl2legacy_AudioGainConfig_audio_gain_config(
+                        aidl.gain.value(), isInput));
+        legacy->config_mask |= AUDIO_PORT_CONFIG_GAIN;
+    }
+    if (aidl.flags.has_value()) {
+        legacy->flags = VALUE_OR_RETURN_STATUS(
+                aidl2legacy_AudioIoFlags_audio_io_flags(aidl.flags.value(), isInput));
+        legacy->config_mask |= AUDIO_PORT_CONFIG_FLAGS;
+    }
+    RETURN_STATUS_IF_ERROR(aidl2legacy_AudioPortExt_audio_port_config_ext(
+                    aidl.ext, isInput, &legacy->ext, &legacy->type));
+    legacy->role = VALUE_OR_RETURN_STATUS(portRole(isInput ?
+                    AudioPortDirection::INPUT : AudioPortDirection::OUTPUT, legacy->type));
+    return OK;
+}
+
+ConversionResult<AudioPortConfig>
+legacy2aidl_audio_port_config_AudioPortConfig(
+        const audio_port_config& legacy, bool isInput, int32_t portId) {
+    AudioPortConfig aidl;
+    aidl.id = VALUE_OR_RETURN(legacy2aidl_audio_port_handle_t_int32_t(legacy.id));
+    aidl.portId = portId;
+    if (legacy.config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
+        Int aidl_sampleRate;
+        aidl_sampleRate.value = VALUE_OR_RETURN(convertIntegral<int32_t>(legacy.sample_rate));
+        aidl.sampleRate = aidl_sampleRate;
+    }
+    if (legacy.config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
+        aidl.channelMask = VALUE_OR_RETURN(
+                legacy2aidl_audio_channel_mask_t_AudioChannelLayout(legacy.channel_mask, isInput));
+    }
+    if (legacy.config_mask & AUDIO_PORT_CONFIG_FORMAT) {
+        aidl.format = VALUE_OR_RETURN(
+                legacy2aidl_audio_format_t_AudioFormatDescription(legacy.format));
+    }
+    if (legacy.config_mask & AUDIO_PORT_CONFIG_GAIN) {
+        aidl.gain = VALUE_OR_RETURN(
+                legacy2aidl_audio_gain_config_AudioGainConfig(legacy.gain, isInput));
+    }
+    if (legacy.config_mask & AUDIO_PORT_CONFIG_FLAGS) {
+        aidl.flags = VALUE_OR_RETURN(
+                legacy2aidl_audio_io_flags_AudioIoFlags(legacy.flags, isInput));
+    }
+    aidl.ext = VALUE_OR_RETURN(
+            legacy2aidl_audio_port_config_ext_AudioPortExt(legacy.ext, legacy.type, isInput));
+    return aidl;
+}
+
+ConversionResult<audio_port_mix_ext> aidl2legacy_AudioPortMixExt_audio_port_mix_ext(
+        const AudioPortMixExt& aidl) {
+    audio_port_mix_ext legacy{};
+    legacy.handle = VALUE_OR_RETURN(aidl2legacy_int32_t_audio_io_handle_t(aidl.handle));
+    return legacy;
+}
+
+ConversionResult<AudioPortMixExt> legacy2aidl_audio_port_mix_ext_AudioPortMixExt(
+        const audio_port_mix_ext& legacy) {
+    AudioPortMixExt aidl;
+    aidl.handle = VALUE_OR_RETURN(legacy2aidl_audio_io_handle_t_int32_t(legacy.handle));
+    return aidl;
+}
+
+ConversionResult<audio_port_device_ext>
+aidl2legacy_AudioPortDeviceExt_audio_port_device_ext(const AudioPortDeviceExt& aidl) {
+    audio_port_device_ext legacy{};
+    RETURN_IF_ERROR(aidl2legacy_AudioDevice_audio_device(
+                    aidl.device, &legacy.type, legacy.address));
+    return legacy;
+}
+
+ConversionResult<AudioPortDeviceExt> legacy2aidl_audio_port_device_ext_AudioPortDeviceExt(
+        const audio_port_device_ext& legacy) {
+    AudioPortDeviceExt aidl;
+    aidl.device = VALUE_OR_RETURN(
+            legacy2aidl_audio_device_AudioDevice(legacy.type, legacy.address));
+    return aidl;
+}
+
+// This type is unnamed in the original definition, thus we name it here.
+using audio_port_v7_ext = decltype(audio_port_v7::ext);
+
+status_t aidl2legacy_AudioPortExt_audio_port_v7_ext(
+        const AudioPortExt& aidl, audio_port_v7_ext* legacy, audio_port_type_t* type) {
+    switch (aidl.getTag()) {
+        case AudioPortExt::Tag::unspecified:
+            // Just verify that the union is empty.
+            VALUE_OR_RETURN_STATUS(UNION_GET(aidl, unspecified));
+            *legacy = {};
+            *type = AUDIO_PORT_TYPE_NONE;
+            return OK;
+        case AudioPortExt::Tag::device:
+            legacy->device = VALUE_OR_RETURN_STATUS(
+                    aidl2legacy_AudioPortDeviceExt_audio_port_device_ext(
+                            VALUE_OR_RETURN_STATUS(UNION_GET(aidl, device))));
+            *type = AUDIO_PORT_TYPE_DEVICE;
+            return OK;
+        case AudioPortExt::Tag::mix:
+            legacy->mix = VALUE_OR_RETURN_STATUS(
+                    aidl2legacy_AudioPortMixExt_audio_port_mix_ext(
+                            VALUE_OR_RETURN_STATUS(UNION_GET(aidl, mix))));
+            *type = AUDIO_PORT_TYPE_MIX;
+            return OK;
+        case AudioPortExt::Tag::session:
+            // This variant is not used in the HAL scenario.
+            legacy->session.session = AUDIO_SESSION_NONE;
+            *type = AUDIO_PORT_TYPE_SESSION;
+            return OK;
+
+    }
+    LOG_ALWAYS_FATAL("Shouldn't get here"); // with -Werror,-Wswitch may compile-time fail
+}
+
+ConversionResult<AudioPortExt> legacy2aidl_audio_port_v7_ext_AudioPortExt(
+        const audio_port_v7_ext& legacy, audio_port_type_t type) {
+    AudioPortExt aidl;
+    switch (type) {
+        case AUDIO_PORT_TYPE_NONE:
+            UNION_SET(aidl, unspecified, false);
+            return aidl;
+        case AUDIO_PORT_TYPE_DEVICE: {
+            AudioPortDeviceExt device = VALUE_OR_RETURN(
+                    legacy2aidl_audio_port_device_ext_AudioPortDeviceExt(legacy.device));
+            UNION_SET(aidl, device, device);
+            return aidl;
+        }
+        case AUDIO_PORT_TYPE_MIX: {
+            AudioPortMixExt mix = VALUE_OR_RETURN(
+                    legacy2aidl_audio_port_mix_ext_AudioPortMixExt(legacy.mix));
+            UNION_SET(aidl, mix, mix);
+            return aidl;
+        }
+        case AUDIO_PORT_TYPE_SESSION:
+            // This variant is not used in the HAL scenario.
+            UNION_SET(aidl, unspecified, false);
+            return aidl;
+    }
+    LOG_ALWAYS_FATAL("Shouldn't get here"); // with -Werror,-Wswitch may compile-time fail
+}
+
+ConversionResult<audio_port_v7>
+aidl2legacy_AudioPort_audio_port_v7(const AudioPort& aidl, bool isInput) {
+    audio_port_v7 legacy;
+    legacy.id = VALUE_OR_RETURN(aidl2legacy_int32_t_audio_port_handle_t(aidl.id));
+    RETURN_IF_ERROR(aidl2legacy_string(aidl.name, legacy.name, sizeof(legacy.name)));
+
+    if (aidl.profiles.size() > std::size(legacy.audio_profiles)) {
+        return unexpected(BAD_VALUE);
+    }
+    RETURN_IF_ERROR(convertRange(
+                    aidl.profiles.begin(), aidl.profiles.end(), legacy.audio_profiles,
+                    [isInput](const AudioProfile& p) {
+                        return aidl2legacy_AudioProfile_audio_profile(p, isInput);
+                    }));
+    legacy.num_audio_profiles = aidl.profiles.size();
+
+    if (aidl.extraAudioDescriptors.size() > std::size(legacy.extra_audio_descriptors)) {
+        return unexpected(BAD_VALUE);
+    }
+    RETURN_IF_ERROR(
+            convertRange(
+                    aidl.extraAudioDescriptors.begin(), aidl.extraAudioDescriptors.end(),
+                    legacy.extra_audio_descriptors,
+                    aidl2legacy_ExtraAudioDescriptor_audio_extra_audio_descriptor));
+    legacy.num_extra_audio_descriptors = aidl.extraAudioDescriptors.size();
+
+    if (aidl.gains.size() > std::size(legacy.gains)) {
+        return unexpected(BAD_VALUE);
+    }
+    RETURN_IF_ERROR(convertRange(aidl.gains.begin(), aidl.gains.end(), legacy.gains,
+                                 [isInput](const AudioGain& g) {
+                                     return aidl2legacy_AudioGain_audio_gain(g, isInput);
+                                 }));
+    legacy.num_gains = aidl.gains.size();
+
+    RETURN_IF_ERROR(aidl2legacy_AudioPortExt_audio_port_v7_ext(
+                    aidl.ext, &legacy.ext, &legacy.type));
+    legacy.role = VALUE_OR_RETURN(portRole(
+                    isInput ? AudioPortDirection::INPUT : AudioPortDirection::OUTPUT, legacy.type));
+
+    AudioPortConfig aidlPortConfig;
+    int32_t portId;
+    aidlPortConfig.flags = aidl.flags;
+    aidlPortConfig.ext = aidl.ext;
+    RETURN_IF_ERROR(aidl2legacy_AudioPortConfig_audio_port_config(
+                    aidlPortConfig, isInput, &legacy.active_config, &portId));
+    return legacy;
+}
+
+ConversionResult<AudioPort>
+legacy2aidl_audio_port_v7_AudioPort(const audio_port_v7& legacy, bool isInput) {
+    AudioPort aidl;
+    aidl.id = VALUE_OR_RETURN(legacy2aidl_audio_port_handle_t_int32_t(legacy.id));
+    aidl.name = VALUE_OR_RETURN(legacy2aidl_string(legacy.name, sizeof(legacy.name)));
+
+    if (legacy.num_audio_profiles > std::size(legacy.audio_profiles)) {
+        return unexpected(BAD_VALUE);
+    }
+    RETURN_IF_ERROR(
+            convertRange(legacy.audio_profiles, legacy.audio_profiles + legacy.num_audio_profiles,
+                         std::back_inserter(aidl.profiles),
+                         [isInput](const audio_profile& p) {
+                             return legacy2aidl_audio_profile_AudioProfile(p, isInput);
+                         }));
+
+    if (legacy.num_extra_audio_descriptors > std::size(legacy.extra_audio_descriptors)) {
+        return unexpected(BAD_VALUE);
+    }
+    aidl.profiles.resize(legacy.num_audio_profiles);
+    RETURN_IF_ERROR(
+            convertRange(legacy.extra_audio_descriptors,
+                    legacy.extra_audio_descriptors + legacy.num_extra_audio_descriptors,
+                    std::back_inserter(aidl.extraAudioDescriptors),
+                    legacy2aidl_audio_extra_audio_descriptor_ExtraAudioDescriptor));
+
+    if (legacy.num_gains > std::size(legacy.gains)) {
+        return unexpected(BAD_VALUE);
+    }
+    RETURN_IF_ERROR(
+            convertRange(legacy.gains, legacy.gains + legacy.num_gains,
+                         std::back_inserter(aidl.gains),
+                         [isInput](const audio_gain& g) {
+                             return legacy2aidl_audio_gain_AudioGain(g, isInput);
+                         }));
+    aidl.gains.resize(legacy.num_gains);
+
+    aidl.ext = VALUE_OR_RETURN(
+            legacy2aidl_audio_port_v7_ext_AudioPortExt(legacy.ext, legacy.type));
+
+    AudioPortConfig aidlPortConfig = VALUE_OR_RETURN(legacy2aidl_audio_port_config_AudioPortConfig(
+                    legacy.active_config, isInput, aidl.id));
+    if (aidlPortConfig.flags.has_value()) {
+        aidl.flags = aidlPortConfig.flags.value();
+    } else {
+        aidl.flags = isInput ?
+                AudioIoFlags::make<AudioIoFlags::Tag::input>(0) :
+                AudioIoFlags::make<AudioIoFlags::Tag::output>(0);
+    }
+    return aidl;
+}
+
 ConversionResult<audio_profile>
 aidl2legacy_AudioProfile_audio_profile(const AudioProfile& aidl, bool isInput) {
     audio_profile legacy;
@@ -2269,4 +2715,4 @@
 
 #if defined(BACKEND_NDK)
 }  // aidl
-#endif
\ No newline at end of file
+#endif