diff --git a/media/codec2/components/aac/C2SoftAacEnc.cpp b/media/codec2/components/aac/C2SoftAacEnc.cpp
index 71eb1ac..7efc7f1 100644
--- a/media/codec2/components/aac/C2SoftAacEnc.cpp
+++ b/media/codec2/components/aac/C2SoftAacEnc.cpp
@@ -29,33 +29,32 @@
 
 namespace android {
 
-class C2SoftAacEnc::IntfImpl : public C2InterfaceHelper {
+namespace {
+
+constexpr char COMPONENT_NAME[] = "c2.android.aac.encoder";
+
+}  // namespace
+
+class C2SoftAacEnc::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_ENCODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_AAC) {
+        noPrivateBuffers();
+        noInputReferences();
+        noOutputReferences();
+        noInputLatency();
+        noTimeStretch();
         setDerivedInstance(this);
 
         addParameter(
-                DefineParam(mInputFormat, C2_PARAMKEY_INPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(new C2StreamBufferTypeSetting::input(0u, C2BufferData::LINEAR))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputFormat, C2_PARAMKEY_OUTPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(new C2StreamBufferTypeSetting::output(0u, C2BufferData::LINEAR))
-                .build());
-
-        addParameter(
-                DefineParam(mInputMediaType, C2_PARAMKEY_INPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::input>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_AAC))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -125,10 +124,6 @@
     }
 
 private:
-    std::shared_ptr<C2StreamBufferTypeSetting::input> mInputFormat;
-    std::shared_ptr<C2StreamBufferTypeSetting::output> mOutputFormat;
-    std::shared_ptr<C2PortMediaTypeSetting::input> mInputMediaType;
-    std::shared_ptr<C2PortMediaTypeSetting::output> mOutputMediaType;
     std::shared_ptr<C2StreamSampleRateInfo::input> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::input> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;
@@ -136,8 +131,6 @@
     std::shared_ptr<C2StreamProfileLevelInfo::output> mProfileLevel;
 };
 
-constexpr char COMPONENT_NAME[] = "c2.android.aac.encoder";
-
 C2SoftAacEnc::C2SoftAacEnc(
         const char *name,
         c2_node_id_t id,
diff --git a/media/codec2/components/amr_nb_wb/C2SoftAmrNbEnc.cpp b/media/codec2/components/amr_nb_wb/C2SoftAmrNbEnc.cpp
index 3d3aa7d..e2d8cb6 100644
--- a/media/codec2/components/amr_nb_wb/C2SoftAmrNbEnc.cpp
+++ b/media/codec2/components/amr_nb_wb/C2SoftAmrNbEnc.cpp
@@ -27,36 +27,33 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.amrnb.encoder";
 
-class C2SoftAmrNbEnc::IntfImpl : public C2InterfaceHelper {
-   public:
-    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper>& helper)
-        : C2InterfaceHelper(helper) {
+}  // namespace
+
+
+class C2SoftAmrNbEnc::IntfImpl : public SimpleInterface<void>::BaseParams {
+public:
+    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_ENCODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_AMR_NB) {
+        noPrivateBuffers();
+        noInputReferences();
+        noOutputReferences();
+        noInputLatency();
+        noTimeStretch();
         setDerivedInstance(this);
 
         addParameter(
-            DefineParam(mInputFormat, C2_PARAMKEY_INPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(
-                    new C2StreamBufferTypeSetting::input(0u, C2BufferData::LINEAR))
-                .build());
-
-        addParameter(
-            DefineParam(mOutputFormat, C2_PARAMKEY_OUTPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(
-                    new C2StreamBufferTypeSetting::output(0u, C2BufferData::LINEAR))
-                .build());
-
-        addParameter(
-            DefineParam(mInputMediaType, C2_PARAMKEY_INPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::input>(
-                    MEDIA_MIMETYPE_AUDIO_RAW))
-                .build());
-
-        addParameter(
-            DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                    MEDIA_MIMETYPE_AUDIO_AMR_NB))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -91,11 +88,7 @@
     uint32_t getChannelCount() const { return mChannelCount->value; }
     uint32_t getBitrate() const { return mBitrate->value; }
 
-   private:
-    std::shared_ptr<C2StreamBufferTypeSetting::input> mInputFormat;
-    std::shared_ptr<C2StreamBufferTypeSetting::output> mOutputFormat;
-    std::shared_ptr<C2PortMediaTypeSetting::input> mInputMediaType;
-    std::shared_ptr<C2PortMediaTypeSetting::output> mOutputMediaType;
+private:
     std::shared_ptr<C2StreamSampleRateInfo::input> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::input> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;
diff --git a/media/codec2/components/amr_nb_wb/C2SoftAmrWbEnc.cpp b/media/codec2/components/amr_nb_wb/C2SoftAmrWbEnc.cpp
index 379cb32..84ae4b7 100644
--- a/media/codec2/components/amr_nb_wb/C2SoftAmrWbEnc.cpp
+++ b/media/codec2/components/amr_nb_wb/C2SoftAmrWbEnc.cpp
@@ -29,36 +29,32 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.amrwb.encoder";
 
-class C2SoftAmrWbEnc::IntfImpl : public C2InterfaceHelper {
-   public:
-    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper>& helper)
-        : C2InterfaceHelper(helper) {
+}  // namespace
+
+class C2SoftAmrWbEnc::IntfImpl : public SimpleInterface<void>::BaseParams {
+public:
+    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_ENCODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_AMR_WB) {
+        noPrivateBuffers();
+        noInputReferences();
+        noOutputReferences();
+        noInputLatency();
+        noTimeStretch();
         setDerivedInstance(this);
 
         addParameter(
-            DefineParam(mInputFormat, C2_PARAMKEY_INPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(
-                    new C2StreamBufferTypeSetting::input(0u, C2BufferData::LINEAR))
-                .build());
-
-        addParameter(
-            DefineParam(mOutputFormat, C2_PARAMKEY_OUTPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(
-                    new C2StreamBufferTypeSetting::output(0u, C2BufferData::LINEAR))
-                .build());
-
-        addParameter(
-            DefineParam(mInputMediaType, C2_PARAMKEY_INPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::input>(
-                    MEDIA_MIMETYPE_AUDIO_RAW))
-                .build());
-
-        addParameter(
-            DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                    MEDIA_MIMETYPE_AUDIO_AMR_WB))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -93,11 +89,7 @@
     uint32_t getChannelCount() const { return mChannelCount->value; }
     uint32_t getBitrate() const { return mBitrate->value; }
 
-   private:
-    std::shared_ptr<C2StreamBufferTypeSetting::input> mInputFormat;
-    std::shared_ptr<C2StreamBufferTypeSetting::output> mOutputFormat;
-    std::shared_ptr<C2PortMediaTypeSetting::input> mInputMediaType;
-    std::shared_ptr<C2PortMediaTypeSetting::output> mOutputMediaType;
+private:
     std::shared_ptr<C2StreamSampleRateInfo::input> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::input> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;
diff --git a/media/codec2/components/flac/C2SoftFlacEnc.cpp b/media/codec2/components/flac/C2SoftFlacEnc.cpp
index 0ce2543..cf34dff 100644
--- a/media/codec2/components/flac/C2SoftFlacEnc.cpp
+++ b/media/codec2/components/flac/C2SoftFlacEnc.cpp
@@ -28,28 +28,32 @@
 
 namespace android {
 
-class C2SoftFlacEnc::IntfImpl : public C2InterfaceHelper {
+namespace {
+
+constexpr char COMPONENT_NAME[] = "c2.android.flac.encoder";
+
+}  // namespace
+
+class C2SoftFlacEnc::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_ENCODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_FLAC) {
+        noPrivateBuffers();
+        noInputReferences();
+        noOutputReferences();
+        noInputLatency();
+        noTimeStretch();
         setDerivedInstance(this);
+
         addParameter(
-                DefineParam(mInputFormat, C2_PARAMKEY_INPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(new C2StreamBufferTypeSetting::input(0u, C2BufferData::LINEAR))
-                .build());
-        addParameter(
-                DefineParam(mOutputFormat, C2_PARAMKEY_OUTPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(new C2StreamBufferTypeSetting::output(0u, C2BufferData::LINEAR))
-                .build());
-        addParameter(
-                DefineParam(mInputMediaType, C2_PARAMKEY_INPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::input>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
-                .build());
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_FLAC))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
         addParameter(
                 DefineParam(mSampleRate, C2_PARAMKEY_SAMPLE_RATE)
@@ -92,17 +96,12 @@
     int32_t getPcmEncodingInfo() const { return mPcmEncodingInfo->value; }
 
 private:
-    std::shared_ptr<C2StreamBufferTypeSetting::input> mInputFormat;
-    std::shared_ptr<C2StreamBufferTypeSetting::output> mOutputFormat;
-    std::shared_ptr<C2PortMediaTypeSetting::input> mInputMediaType;
-    std::shared_ptr<C2PortMediaTypeSetting::output> mOutputMediaType;
     std::shared_ptr<C2StreamSampleRateInfo::input> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::input> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;
     std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mInputMaxBufSize;
     std::shared_ptr<C2StreamPcmEncodingInfo::input> mPcmEncodingInfo;
 };
-constexpr char COMPONENT_NAME[] = "c2.android.flac.encoder";
 
 C2SoftFlacEnc::C2SoftFlacEnc(
         const char *name,
diff --git a/media/codec2/components/opus/C2SoftOpusEnc.cpp b/media/codec2/components/opus/C2SoftOpusEnc.cpp
index f1020c3..7b58c9b 100644
--- a/media/codec2/components/opus/C2SoftOpusEnc.cpp
+++ b/media/codec2/components/opus/C2SoftOpusEnc.cpp
@@ -32,35 +32,32 @@
 #define DEFAULT_FRAME_DURATION_MS 20
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.opus.encoder";
 
-class C2SoftOpusEnc::IntfImpl : public C2InterfaceHelper {
+}  // namespace
+
+class C2SoftOpusEnc::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_ENCODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_OPUS) {
+        noPrivateBuffers();
+        noInputReferences();
+        noOutputReferences();
+        noInputLatency();
+        noTimeStretch();
         setDerivedInstance(this);
 
         addParameter(
-                DefineParam(mInputFormat, C2_PARAMKEY_INPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(new C2StreamBufferTypeSetting::input(0u, C2BufferData::LINEAR))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputFormat, C2_PARAMKEY_OUTPUT_STREAM_BUFFER_TYPE)
-                .withConstValue(new C2StreamBufferTypeSetting::output(0u, C2BufferData::LINEAR))
-                .build());
-
-        addParameter(
-                DefineParam(mInputMediaType, C2_PARAMKEY_INPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::input>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_OPUS))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -104,10 +101,6 @@
     uint32_t getComplexity() const { return mComplexity->value; }
 
 private:
-    std::shared_ptr<C2StreamBufferTypeSetting::input> mInputFormat;
-    std::shared_ptr<C2StreamBufferTypeSetting::output> mOutputFormat;
-    std::shared_ptr<C2PortMediaTypeSetting::input> mInputMediaType;
-    std::shared_ptr<C2PortMediaTypeSetting::output> mOutputMediaType;
     std::shared_ptr<C2StreamSampleRateInfo::input> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::input> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;