diff --git a/media/codec2/components/aac/C2SoftAacDec.cpp b/media/codec2/components/aac/C2SoftAacDec.cpp
index 4d00d35..2d4e126 100644
--- a/media/codec2/components/aac/C2SoftAacDec.cpp
+++ b/media/codec2/components/aac/C2SoftAacDec.cpp
@@ -205,10 +205,6 @@
     int32_t getDrcEffectType() const { return mDrcEffectType->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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/amr_nb_wb/C2SoftAmrDec.cpp b/media/codec2/components/amr_nb_wb/C2SoftAmrDec.cpp
index edad75a..6578ad2 100644
--- a/media/codec2/components/amr_nb_wb/C2SoftAmrDec.cpp
+++ b/media/codec2/components/amr_nb_wb/C2SoftAmrDec.cpp
@@ -33,43 +33,41 @@
 
 namespace android {
 
+namespace {
+
 #ifdef AMRNB
   constexpr char COMPONENT_NAME[] = "c2.android.amrnb.decoder";
 #else
   constexpr char COMPONENT_NAME[] = "c2.android.amrwb.decoder";
 #endif
 
-class C2SoftAmrDec::IntfImpl : public C2InterfaceHelper {
+}  // namespace
+
+class C2SoftAmrDec::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                C2Component::DOMAIN_AUDIO,
+#ifdef AMRNB
+                MEDIA_MIMETYPE_AUDIO_AMR_NB
+#else
+                MEDIA_MIMETYPE_AUDIO_AMR_WB
+#endif
+                ) {
+        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>(
-#ifdef AMRNB
-                        MEDIA_MIMETYPE_AUDIO_AMR_NB
-#else
-                        MEDIA_MIMETYPE_AUDIO_AMR_WB
-#endif
-                )).build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -110,10 +108,6 @@
     }
 
 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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/flac/C2SoftFlacDec.cpp b/media/codec2/components/flac/C2SoftFlacDec.cpp
index 10b14ce..4039b9b 100644
--- a/media/codec2/components/flac/C2SoftFlacDec.cpp
+++ b/media/codec2/components/flac/C2SoftFlacDec.cpp
@@ -27,35 +27,32 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.flac.decoder";
 
-class C2SoftFlacDec::IntfImpl : public C2InterfaceHelper {
+}  // namespace
+
+class C2SoftFlacDec::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                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_FLAC))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -99,10 +96,6 @@
     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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/g711/C2SoftG711Dec.cpp b/media/codec2/components/g711/C2SoftG711Dec.cpp
index 504ca78..43b843a 100644
--- a/media/codec2/components/g711/C2SoftG711Dec.cpp
+++ b/media/codec2/components/g711/C2SoftG711Dec.cpp
@@ -27,43 +27,41 @@
 
 namespace android {
 
+namespace {
+
 #ifdef ALAW
 constexpr char COMPONENT_NAME[] = "c2.android.g711.alaw.decoder";
 #else
 constexpr char COMPONENT_NAME[] = "c2.android.g711.mlaw.decoder";
 #endif
 
-class C2SoftG711Dec::IntfImpl : public C2InterfaceHelper {
+}  // namespace
+
+class C2SoftG711Dec::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                C2Component::DOMAIN_AUDIO,
+#ifdef ALAW
+                MEDIA_MIMETYPE_AUDIO_G711_ALAW
+#else
+                MEDIA_MIMETYPE_AUDIO_G711_MLAW
+#endif
+                ) {
+        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>(
-#ifdef ALAW
-                        MEDIA_MIMETYPE_AUDIO_G711_ALAW
-#else
-                        MEDIA_MIMETYPE_AUDIO_G711_MLAW
-#endif
-                )).build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -94,10 +92,6 @@
     }
 
 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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/gsm/C2SoftGsmDec.cpp b/media/codec2/components/gsm/C2SoftGsmDec.cpp
index 69d4885..287cfc6 100644
--- a/media/codec2/components/gsm/C2SoftGsmDec.cpp
+++ b/media/codec2/components/gsm/C2SoftGsmDec.cpp
@@ -27,34 +27,32 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.gsm.decoder";
 
-class C2SoftGsmDec::IntfImpl : public C2InterfaceHelper {
-   public:
-    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper>& helper)
-        : C2InterfaceHelper(helper) {
+}  // namespace
+
+class C2SoftGsmDec::IntfImpl : public SimpleInterface<void>::BaseParams {
+public:
+    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_MSGSM) {
+        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_MSGSM))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -85,10 +83,6 @@
     }
 
    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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/mp3/C2SoftMp3Dec.cpp b/media/codec2/components/mp3/C2SoftMp3Dec.cpp
index 9db6d8f..5ba7e3d 100644
--- a/media/codec2/components/mp3/C2SoftMp3Dec.cpp
+++ b/media/codec2/components/mp3/C2SoftMp3Dec.cpp
@@ -30,35 +30,32 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.mp3.decoder";
 
-class C2SoftMP3::IntfImpl : public C2InterfaceHelper {
+}  // namespace
+
+class C2SoftMP3::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_MPEG) {
+        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_MPEG))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -90,10 +87,6 @@
     }
 
 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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/opus/C2SoftOpusDec.cpp b/media/codec2/components/opus/C2SoftOpusDec.cpp
index 7dcd53d..6b6974f 100644
--- a/media/codec2/components/opus/C2SoftOpusDec.cpp
+++ b/media/codec2/components/opus/C2SoftOpusDec.cpp
@@ -31,34 +31,32 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.opus.decoder";
 
-class C2SoftOpusDec::IntfImpl : public C2InterfaceHelper {
-   public:
-    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper>& helper)
-        : C2InterfaceHelper(helper) {
+}  // namespace
+
+class C2SoftOpusDec::IntfImpl : public SimpleInterface<void>::BaseParams {
+public:
+    explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                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_OPUS))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -88,11 +86,7 @@
                 .build());
     }
 
-   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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/raw/C2SoftRawDec.cpp b/media/codec2/components/raw/C2SoftRawDec.cpp
index 802caa4..8e94a18 100644
--- a/media/codec2/components/raw/C2SoftRawDec.cpp
+++ b/media/codec2/components/raw/C2SoftRawDec.cpp
@@ -27,35 +27,32 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.raw.decoder";
 
-class C2SoftRawDec::IntfImpl : public C2InterfaceHelper {
+}  // namespace
+
+class C2SoftRawDec::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_RAW) {
+        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_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -98,10 +95,6 @@
     }
 
 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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/vorbis/C2SoftVorbisDec.cpp b/media/codec2/components/vorbis/C2SoftVorbisDec.cpp
index e3bafd3..18e6db2 100644
--- a/media/codec2/components/vorbis/C2SoftVorbisDec.cpp
+++ b/media/codec2/components/vorbis/C2SoftVorbisDec.cpp
@@ -35,35 +35,32 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.vorbis.decoder";
 
-class C2SoftVorbisDec::IntfImpl : public C2InterfaceHelper {
+}  // namespace
+
+class C2SoftVorbisDec::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_VORBIS) {
+        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_VORBIS))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -94,10 +91,6 @@
     }
 
 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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
diff --git a/media/codec2/components/xaac/C2SoftXaacDec.cpp b/media/codec2/components/xaac/C2SoftXaacDec.cpp
index ed730c3..a3ebadb 100644
--- a/media/codec2/components/xaac/C2SoftXaacDec.cpp
+++ b/media/codec2/components/xaac/C2SoftXaacDec.cpp
@@ -56,35 +56,31 @@
 
 namespace android {
 
+namespace {
+
 constexpr char COMPONENT_NAME[] = "c2.android.xaac.decoder";
 
-class C2SoftXaacDec::IntfImpl : public C2InterfaceHelper {
+}  // namespace
+
+class C2SoftXaacDec::IntfImpl : public SimpleInterface<void>::BaseParams {
 public:
     explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
-        : C2InterfaceHelper(helper) {
-
-        setDerivedInstance(this);
+        : SimpleInterface<void>::BaseParams(
+                helper,
+                COMPONENT_NAME,
+                C2Component::KIND_DECODER,
+                C2Component::DOMAIN_AUDIO,
+                MEDIA_MIMETYPE_AUDIO_AAC) {
+        noPrivateBuffers();
+        noInputReferences();
+        noOutputReferences();
+        noInputLatency();
+        noTimeStretch();
 
         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_AAC))
-                .build());
-
-        addParameter(
-                DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE)
-                .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>(
-                        MEDIA_MIMETYPE_AUDIO_RAW))
+                DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                .withConstValue(new C2ComponentAttributesSetting(
+                    C2Component::ATTRIB_IS_TEMPORAL))
                 .build());
 
         addParameter(
@@ -218,10 +214,6 @@
     int32_t getDrcEffectType() const { return mDrcEffectType->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::output> mSampleRate;
     std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
     std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;