diff --git a/media/c2/aidl/Android.bp b/media/c2/aidl/Android.bp
index 84cb382..b511e45 100644
--- a/media/c2/aidl/Android.bp
+++ b/media/c2/aidl/Android.bp
@@ -22,6 +22,9 @@
         "android.hardware.common-V2",
         "android.hardware.media.bufferpool2-V1",
     ],
+    include_dirs: [
+        "frameworks/native/aidl/gui",
+    ],
     stability: "vintf",
     backend: {
         cpp: {
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponent.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponent.aidl
index 7d58340..4439bc5 100644
--- a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponent.aidl
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponent.aidl
@@ -45,6 +45,8 @@
   void reset();
   void start();
   void stop();
+  android.hardware.media.c2.IInputSurfaceConnection connectToInputSurface(in android.hardware.media.c2.IInputSurface inputSurface);
+  android.hardware.media.c2.IInputSink asInputSink();
   parcelable BlockPool {
     long blockPoolId;
     android.hardware.media.c2.IConfigurable configurable;
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentStore.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentStore.aidl
index d1b5915..d7a4706 100644
--- a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentStore.aidl
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentStore.aidl
@@ -41,6 +41,7 @@
   android.hardware.media.bufferpool2.IClientManager getPoolClientManager();
   android.hardware.media.c2.StructDescriptor[] getStructDescriptors(in int[] indices);
   android.hardware.media.c2.IComponentStore.ComponentTraits[] listComponents();
+  android.hardware.media.c2.IInputSurface createInputSurface();
   @VintfStability
   parcelable ComponentTraits {
     String name;
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSink.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSink.aidl
new file mode 100644
index 0000000..e6ea4d5
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSink.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.media.c2;
+@VintfStability
+interface IInputSink {
+  void queue(in android.hardware.media.c2.WorkBundle workBundle);
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSurface.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSurface.aidl
new file mode 100644
index 0000000..14455cb
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSurface.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.media.c2;
+@VintfStability
+interface IInputSurface {
+  android.view.Surface getSurface();
+  android.hardware.media.c2.IConfigurable getConfigurable();
+  android.hardware.media.c2.IInputSurfaceConnection connect(in android.hardware.media.c2.IInputSink sink);
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSurfaceConnection.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSurfaceConnection.aidl
new file mode 100644
index 0000000..28fff65
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IInputSurfaceConnection.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.media.c2;
+@VintfStability
+interface IInputSurfaceConnection {
+  void disconnect();
+  void signalEndOfStream();
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/IComponent.aidl b/media/c2/aidl/android/hardware/media/c2/IComponent.aidl
index e96cae5..6bd30b4 100644
--- a/media/c2/aidl/android/hardware/media/c2/IComponent.aidl
+++ b/media/c2/aidl/android/hardware/media/c2/IComponent.aidl
@@ -20,6 +20,9 @@
 import android.hardware.media.c2.IComponentInterface;
 import android.hardware.media.c2.IConfigurable;
 import android.hardware.media.c2.IGraphicBufferAllocator;
+import android.hardware.media.c2.IInputSink;
+import android.hardware.media.c2.IInputSurface;
+import android.hardware.media.c2.IInputSurfaceConnection;
 import android.hardware.media.c2.WorkBundle;
 import android.os.ParcelFileDescriptor;
 
@@ -307,4 +310,32 @@
      *   - `Status::CORRUPTED` - Some unknown error occurred.
      */
     void stop();
+
+    /**
+     * Starts using an input surface.
+     *
+     * The component must be in running state.
+     *
+     * @param inputSurface Input surface to connect to.
+     * @return connection `IInputSurfaceConnection` object, which can be used to
+     *     query and configure properties of the connection. This cannot be
+     *     null.
+     * @throws ServiceSpecificException with one of the following values:
+     *   - `Status::CANNOT_DO` - The component does not support an input surface.
+     *   - `Status::BAD_STATE` - The component is not in running state.
+     *   - `Status::DUPLICATE` - The component is already connected to an input surface.
+     *   - `Status::REFUSED`   - The input surface is already in use.
+     *   - `Status::NO_MEMORY` - Not enough memory to start the component.
+     *   - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+     *   - `Status::CORRUPTED` - Some unknown error occurred.
+     */
+    IInputSurfaceConnection connectToInputSurface(in IInputSurface inputSurface);
+
+    /**
+     * Returns an @ref IInputSink instance that has the component as the
+     * underlying implementation.
+     *
+     * @return sink `IInputSink` instance.
+     */
+    IInputSink asInputSink();
 }
diff --git a/media/c2/aidl/android/hardware/media/c2/IComponentStore.aidl b/media/c2/aidl/android/hardware/media/c2/IComponentStore.aidl
index 1435a7e..019405d 100644
--- a/media/c2/aidl/android/hardware/media/c2/IComponentStore.aidl
+++ b/media/c2/aidl/android/hardware/media/c2/IComponentStore.aidl
@@ -21,6 +21,7 @@
 import android.hardware.media.c2.IComponentInterface;
 import android.hardware.media.c2.IComponentListener;
 import android.hardware.media.c2.IConfigurable;
+import android.hardware.media.c2.IInputSurface;
 import android.hardware.media.c2.StructDescriptor;
 
 /**
@@ -182,4 +183,16 @@
      *   - `Status::CORRUPTED` - Some unknown error occurred.
      */
     ComponentTraits[] listComponents();
+
+    /**
+     * Creates a persistent input surface that can be used as an input surface
+     * for any IComponent instance
+     *
+     * @return IInputSurface A persistent input surface.
+     * @throws ServiceSpecificException with one of following values:
+     *   - `Status::NO_MEMORY` - Not enough memory to complete this method.
+     *   - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+     *   - `Status::CORRUPTED` - Some unknown error occurred.
+     */
+    IInputSurface createInputSurface();
 }
diff --git a/media/c2/aidl/android/hardware/media/c2/IInputSink.aidl b/media/c2/aidl/android/hardware/media/c2/IInputSink.aidl
new file mode 100644
index 0000000..eb8ad3d
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/IInputSink.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package android.hardware.media.c2;
+
+import android.hardware.media.c2.WorkBundle;
+
+/**
+ * An `IInputSink` is a receiver of work items.
+ *
+ * An @ref IComponent instance can present itself as an `IInputSink` via a thin
+ * wrapper.
+ *
+ * @sa IInputSurface, IComponent.
+ */
+@VintfStability
+interface IInputSink {
+    /**
+     * Feeds work to the sink.
+     *
+     * @param workBundle `WorkBundle` object containing a list of `Work` objects
+     *     to queue to the component.
+     * @throws ServiceSpecificException with one of the following values:
+     *   - `Status::BAD_INDEX` - Some component id in some `Worklet` is not valid.
+     *   - `Status::CANNOT_DO` - Tunneling has not been set up for this sink, but some
+     *                   `Work` object contains tunneling information.
+     *   - `Status::NO_MEMORY` - Not enough memory to queue @p workBundle.
+     *   - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+     *   - `Status::CORRUPTED` - Some unknown error occurred.
+     */
+    void queue(in WorkBundle workBundle);
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/IInputSurface.aidl b/media/c2/aidl/android/hardware/media/c2/IInputSurface.aidl
new file mode 100644
index 0000000..77cb1fd
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/IInputSurface.aidl
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package android.hardware.media.c2;
+
+import android.hardware.media.c2.IConfigurable;
+import android.hardware.media.c2.IInputSink;
+import android.hardware.media.c2.IInputSurfaceConnection;
+import android.view.Surface;
+
+/**
+ * Input surface for a Codec2 component.
+ *
+ * An <em>input surface</em> is an instance of `IInputSurface`, which may be
+ * created by calling IComponentStore::createInputSurface(). Once created, the
+ * client may
+ *   1. write data to it via the `NativeWindow` interface; and
+ *   2. use it as input to a Codec2 encoder.
+ *
+ * @sa IInputSurfaceConnection, IComponentStore::createInputSurface(),
+ *     IComponent::connectToInputSurface().
+ */
+@VintfStability
+interface IInputSurface {
+    /**
+     * Returns the producer interface into the internal buffer queue.
+     *
+     * @return producer `Surface` instance(actually ANativeWindow). This must not
+     * be null.
+     */
+    Surface getSurface();
+
+    /**
+     * Returns the @ref IConfigurable instance associated to this input surface.
+     *
+     * @return configurable `IConfigurable` instance. This must not be null.
+     */
+    IConfigurable getConfigurable();
+
+    /**
+     * Connects the input surface to an input sink.
+     *
+     * This function is generally called from inside the implementation of
+     * IComponent::connectToInputSurface(), where @p sink is a thin wrapper of
+     * the component that consumes buffers from this surface.
+     *
+     * @param sink Input sink. See `IInputSink` for more information.
+     * @return connection `IInputSurfaceConnection` object. This must not be
+     *     null if @p status is `OK`.
+     * @throws ServiceSpecificException with one of following values:
+     *   - `Status::BAD_VALUE` - @p sink is invalid.
+     *   - `Status::CORRUPTED` - Some unknown error occurred.
+     */
+    IInputSurfaceConnection connect(in IInputSink sink);
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/IInputSurfaceConnection.aidl b/media/c2/aidl/android/hardware/media/c2/IInputSurfaceConnection.aidl
new file mode 100644
index 0000000..36524eb
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/IInputSurfaceConnection.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package android.hardware.media.c2;
+
+/**
+ * Connection between an IInputSink and an IInpuSurface.
+ */
+@VintfStability
+interface IInputSurfaceConnection {
+    /**
+     * Destroys the connection between an input surface and a component.
+     *
+     * @throws ServiceSpecificException with one of following values:
+     *   - `Status::BAD_STATE` - The component is not in running state.
+     *   - `Status::NOT_FOUND` - The surface is not connected to a component.
+     *   - `Status::CORRUPTED` - Some unknown error occurred.
+     */
+    void disconnect();
+
+    /**
+     * Signal the end of stream.
+
+     * @throws ServiceSpecificException with one of following values:
+     *   - `Status::BAD_STATE` - The component is not in running state.
+     */
+    void signalEndOfStream();
+}