Add Codec2 AIDL interface
Bug: 251850069
Test: m
Change-Id: I1fc28084519281df68bca7ae5e2b814b03214577
Merged-In: I1fc28084519281df68bca7ae5e2b814b03214577
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index cf53a1d..103916f 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -454,6 +454,15 @@
</interface>
</hal>
<hal format="aidl" optional="true">
+ <name>android.hardware.media.c2</name>
+ <version>1</version>
+ <interface>
+ <name>IComponentStore</name>
+ <regex-instance>default[0-9]*</regex-instance>
+ <regex-instance>vendor[0-9]*_software</regex-instance>
+ </interface>
+ </hal>
+ <hal format="aidl" optional="true">
<name>android.hardware.memtrack</name>
<version>1</version>
<interface>
diff --git a/media/c2/aidl/Android.bp b/media/c2/aidl/Android.bp
new file mode 100644
index 0000000..10867c0
--- /dev/null
+++ b/media/c2/aidl/Android.bp
@@ -0,0 +1,29 @@
+// This is the expected build file, but it may not be right in all cases
+
+aidl_interface {
+ name: "android.hardware.media.c2",
+ vendor_available: true,
+ srcs: ["android/hardware/media/c2/*.aidl"],
+ include_dirs: [
+ "frameworks/native/aidl/gui",
+ ],
+ imports: [
+ "android.hardware.common-V2",
+ "android.hardware.media.bufferpool2-V1",
+ ],
+ stability: "vintf",
+ backend: {
+ cpp: {
+ enabled: false,
+ },
+ java: {
+ enabled: false,
+ },
+ ndk: {
+ enabled: true,
+ additional_shared_libraries: [
+ "libnativewindow",
+ ],
+ },
+ },
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/BaseBlock.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/BaseBlock.aidl
new file mode 100644
index 0000000..460ff97
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/BaseBlock.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+union BaseBlock {
+ android.hardware.common.NativeHandle nativeBlock;
+ android.hardware.media.bufferpool2.BufferStatusMessage pooledBlock;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Block.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Block.aidl
new file mode 100644
index 0000000..7b3005e
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Block.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 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
+parcelable Block {
+ int index;
+ android.hardware.media.c2.Params meta;
+ android.hardware.common.NativeHandle fence;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Buffer.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Buffer.aidl
new file mode 100644
index 0000000..b632932
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Buffer.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+parcelable Buffer {
+ android.hardware.media.c2.Params info;
+ android.hardware.media.c2.Block[] blocks;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldDescriptor.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldDescriptor.aidl
new file mode 100644
index 0000000..d0e4cbf
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldDescriptor.aidl
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2022 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
+parcelable FieldDescriptor {
+ android.hardware.media.c2.FieldId fieldId;
+ android.hardware.media.c2.FieldDescriptor.Type type;
+ int structIndex;
+ int extent;
+ String name;
+ android.hardware.media.c2.FieldDescriptor.NamedValue[] namedValues;
+ @Backing(type="int") @VintfStability
+ enum Type {
+ NO_INIT = 0,
+ INT32 = 1,
+ UINT32 = 2,
+ CNTR32 = 3,
+ INT64 = 4,
+ UINT64 = 5,
+ CNTR64 = 6,
+ FLOAT = 7,
+ STRING = 256,
+ BLOB = 257,
+ STRUCT = 131072,
+ }
+ @VintfStability
+ parcelable NamedValue {
+ String name;
+ long value;
+ }
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldId.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldId.aidl
new file mode 100644
index 0000000..935b85d
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldId.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+parcelable FieldId {
+ int offset;
+ int sizeBytes;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValues.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValues.aidl
new file mode 100644
index 0000000..69060be
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValues.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 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
+union FieldSupportedValues {
+ boolean empty;
+ android.hardware.media.c2.ValueRange range;
+ long[] values;
+ long[] flags;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValuesQuery.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValuesQuery.aidl
new file mode 100644
index 0000000..22f7c84
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValuesQuery.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2022 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
+parcelable FieldSupportedValuesQuery {
+ android.hardware.media.c2.ParamField field;
+ android.hardware.media.c2.FieldSupportedValuesQuery.Type type;
+ @Backing(type="int") @VintfStability
+ enum Type {
+ POSSIBLE = 0,
+ CURRENT = 1,
+ }
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValuesQueryResult.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValuesQueryResult.aidl
new file mode 100644
index 0000000..187e3eb
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FieldSupportedValuesQueryResult.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+parcelable FieldSupportedValuesQueryResult {
+ android.hardware.media.c2.Status status;
+ android.hardware.media.c2.FieldSupportedValues values;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FrameData.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FrameData.aidl
new file mode 100644
index 0000000..e73b05e
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/FrameData.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2022 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
+parcelable FrameData {
+ int flags;
+ android.hardware.media.c2.WorkOrdinal ordinal;
+ android.hardware.media.c2.Buffer[] buffers;
+ android.hardware.media.c2.Params configUpdate;
+ android.hardware.media.c2.InfoBuffer[] infoBuffers;
+ const int DROP_FRAME = 1;
+ const int END_OF_STREAM = 2;
+ const int DISCARD_FRAME = 4;
+ const int FLAG_INCOMPLETE = 8;
+ const int CODEC_CONFIG = -2147483648;
+}
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
new file mode 100644
index 0000000..7ed09af
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponent.aidl
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2022 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 IComponent {
+ android.hardware.common.NativeHandle configureVideoTunnel(in int avSyncHwId);
+ android.hardware.media.c2.IComponent.BlockPool createBlockPool(in int allocatorId);
+ void destroyBlockPool(in long blockPoolId);
+ void drain(in boolean withEos);
+ android.hardware.media.c2.WorkBundle flush();
+ android.hardware.media.c2.IComponentInterface getInterface();
+ void queue(in android.hardware.media.c2.WorkBundle workBundle);
+ void release();
+ void reset();
+ void setOutputSurface(in long blockPoolId, in android.view.Surface surface, in android.hardware.media.c2.SurfaceSyncObj syncObject);
+ void start();
+ void stop();
+ 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/IComponentInterface.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentInterface.aidl
new file mode 100644
index 0000000..2350dae
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentInterface.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 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 IComponentInterface {
+ android.hardware.media.c2.IConfigurable getConfigurable();
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentListener.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentListener.aidl
new file mode 100644
index 0000000..f6f2a63
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentListener.aidl
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2022 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 IComponentListener {
+ oneway void onError(in android.hardware.media.c2.Status status, in int errorCode);
+ oneway void onFramesRendered(in android.hardware.media.c2.IComponentListener.RenderedFrame[] renderedFrames);
+ oneway void onInputBuffersReleased(in android.hardware.media.c2.IComponentListener.InputBuffer[] inputBuffers);
+ oneway void onTripped(in android.hardware.media.c2.SettingResult[] settingResults);
+ oneway void onWorkDone(in android.hardware.media.c2.WorkBundle workBundle);
+ @VintfStability
+ parcelable InputBuffer {
+ long frameIndex;
+ int arrayIndex;
+ }
+ @VintfStability
+ parcelable RenderedFrame {
+ long bufferQueueId;
+ int slotId;
+ long timestampNs;
+ }
+}
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
new file mode 100644
index 0000000..35532be
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IComponentStore.aidl
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2022 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 IComponentStore {
+ void copyBuffer(in android.hardware.media.c2.Buffer src, in android.hardware.media.c2.Buffer dst);
+ android.hardware.media.c2.IComponent createComponent(in String name, in android.hardware.media.c2.IComponentListener listener, in android.hardware.media.bufferpool2.IClientManager pool);
+ android.hardware.media.c2.IComponentInterface createInterface(in String name);
+ android.hardware.media.c2.IConfigurable getConfigurable();
+ android.hardware.media.bufferpool2.IClientManager getPoolClientManager();
+ android.hardware.media.c2.StructDescriptor[] getStructDescriptors(in int[] indices);
+ android.hardware.media.c2.IComponentStore.ComponentTraits[] listComponents();
+ @VintfStability
+ parcelable ComponentTraits {
+ String name;
+ android.hardware.media.c2.IComponentStore.ComponentTraits.Domain domain;
+ android.hardware.media.c2.IComponentStore.ComponentTraits.Kind kind;
+ int rank;
+ String mediaType;
+ String[] aliases;
+ @Backing(type="int") @VintfStability
+ enum Kind {
+ OTHER = 0,
+ DECODER = 1,
+ ENCODER = 2,
+ }
+ @Backing(type="int") @VintfStability
+ enum Domain {
+ OTHER = 0,
+ VIDEO = 1,
+ AUDIO = 2,
+ IMAGE = 3,
+ }
+ }
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IConfigurable.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IConfigurable.aidl
new file mode 100644
index 0000000..32f5abd
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/IConfigurable.aidl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2022 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 IConfigurable {
+ android.hardware.media.c2.IConfigurable.ConfigResult config(in android.hardware.media.c2.Params inParams, in boolean mayBlock);
+ int getId();
+ String getName();
+ android.hardware.media.c2.Params query(in int[] indices, in boolean mayBlock);
+ android.hardware.media.c2.ParamDescriptor[] querySupportedParams(in int start, in int count);
+ android.hardware.media.c2.FieldSupportedValuesQueryResult[] querySupportedValues(in android.hardware.media.c2.FieldSupportedValuesQuery[] inFields, in boolean mayBlock);
+ @VintfStability
+ parcelable ConfigResult {
+ android.hardware.media.c2.Params params;
+ android.hardware.media.c2.SettingResult[] failures;
+ }
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/InfoBuffer.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/InfoBuffer.aidl
new file mode 100644
index 0000000..94cd77d
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/InfoBuffer.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+parcelable InfoBuffer {
+ int index;
+ android.hardware.media.c2.Buffer buffer;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamDescriptor.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamDescriptor.aidl
new file mode 100644
index 0000000..04c869c
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamDescriptor.aidl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2022 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
+parcelable ParamDescriptor {
+ int index;
+ int attrib;
+ String name;
+ int[] dependencies;
+ const int ATTRIBUTE_REQUIRED = 1;
+ const int ATTRIBUTE_PERSISTENT = 2;
+ const int ATTRIBUTE_STRICT = 4;
+ const int ATTRIBUTE_READ_ONLY = 8;
+ const int ATTRIBUTE_HIDDEN = 16;
+ const int ATTRIBUTE_INTERNAL = 32;
+ const int ATTRIBUTE_CONST = 64;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamField.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamField.aidl
new file mode 100644
index 0000000..13d2522
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamField.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+parcelable ParamField {
+ int index;
+ android.hardware.media.c2.FieldId fieldId;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamFieldValues.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamFieldValues.aidl
new file mode 100644
index 0000000..5a2821c
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ParamFieldValues.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+parcelable ParamFieldValues {
+ android.hardware.media.c2.ParamField paramOrField;
+ android.hardware.media.c2.FieldSupportedValues[] values;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Params.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Params.aidl
new file mode 100644
index 0000000..7d363c0
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Params.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 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
+parcelable Params {
+ byte[] params;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/SettingResult.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/SettingResult.aidl
new file mode 100644
index 0000000..f9e6a93
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/SettingResult.aidl
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2022 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
+parcelable SettingResult {
+ android.hardware.media.c2.SettingResult.Failure failure;
+ android.hardware.media.c2.ParamFieldValues field;
+ android.hardware.media.c2.ParamFieldValues[] conflicts;
+ @Backing(type="int") @VintfStability
+ enum Failure {
+ BAD_TYPE = 0,
+ BAD_PORT = 1,
+ BAD_INDEX = 2,
+ READ_ONLY = 3,
+ MISMATCH = 4,
+ BAD_VALUE = 5,
+ CONFLICT = 6,
+ UNSUPPORTED = 7,
+ INFO_BAD_VALUE = 8,
+ INFO_CONFLICT = 9,
+ }
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Status.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Status.aidl
new file mode 100644
index 0000000..ad07677
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Status.aidl
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2022 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
+parcelable Status {
+ int status;
+ const int OK = 0;
+ const int BAD_VALUE = -22;
+ const int BAD_INDEX = -75;
+ const int CANNOT_DO = -2147483646;
+ const int DUPLICATE = -17;
+ const int NOT_FOUND = -2;
+ const int BAD_STATE = -38;
+ const int BLOCKING = -9930;
+ const int NO_MEMORY = -12;
+ const int REFUSED = -1;
+ const int TIMED_OUT = -110;
+ const int OMITTED = -74;
+ const int CORRUPTED = -2147483648;
+ const int NO_INIT = -19;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/StructDescriptor.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/StructDescriptor.aidl
new file mode 100644
index 0000000..58268e0
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/StructDescriptor.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+parcelable StructDescriptor {
+ int type;
+ android.hardware.media.c2.FieldDescriptor[] fields;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/SurfaceSyncObj.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/SurfaceSyncObj.aidl
new file mode 100644
index 0000000..1c9bf8d
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/SurfaceSyncObj.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 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
+parcelable SurfaceSyncObj {
+ android.hardware.common.NativeHandle syncMemory;
+ long bqId;
+ int generationId;
+ long consumerUsage;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ValueRange.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ValueRange.aidl
new file mode 100644
index 0000000..db71ce0
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/ValueRange.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022 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
+parcelable ValueRange {
+ long min;
+ long max;
+ long step;
+ long num;
+ long denom;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Work.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Work.aidl
new file mode 100644
index 0000000..a534348
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Work.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022 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
+parcelable Work {
+ byte[] chainInfo;
+ android.hardware.media.c2.FrameData input;
+ android.hardware.media.c2.Worklet[] worklets;
+ int workletsProcessed;
+ android.hardware.media.c2.Status result;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/WorkBundle.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/WorkBundle.aidl
new file mode 100644
index 0000000..84708a8
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/WorkBundle.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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
+parcelable WorkBundle {
+ android.hardware.media.c2.Work[] works;
+ android.hardware.media.c2.BaseBlock[] baseBlocks;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/WorkOrdinal.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/WorkOrdinal.aidl
new file mode 100644
index 0000000..2833df3
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/WorkOrdinal.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 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
+parcelable WorkOrdinal {
+ long timestampUs;
+ long frameIndex;
+ long customOrdinal;
+}
diff --git a/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Worklet.aidl b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Worklet.aidl
new file mode 100644
index 0000000..a79abf2
--- /dev/null
+++ b/media/c2/aidl/aidl_api/android.hardware.media.c2/current/android/hardware/media/c2/Worklet.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 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
+parcelable Worklet {
+ int componentId;
+ byte[] tunings;
+ android.hardware.media.c2.SettingResult[] failures;
+ android.hardware.media.c2.FrameData output;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/BaseBlock.aidl b/media/c2/aidl/android/hardware/media/c2/BaseBlock.aidl
new file mode 100644
index 0000000..8b8b8e0
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/BaseBlock.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 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.common.NativeHandle;
+
+/**
+ * Storage type for `BaseBlock`.
+ *
+ * A `BaseBlock` is a representation of a codec memory block. Coded data,
+ * decoded data, codec-specific data, and other codec-related data are all sent
+ * in the form of BaseBlocks.
+ */
+@VintfStability
+union BaseBlock {
+ /**
+ * #nativeBlock is the opaque representation of a buffer.
+ */
+ NativeHandle nativeBlock;
+ /**
+ * #pooledBlock is a reference to a buffer handled by a BufferPool.
+ */
+ android.hardware.media.bufferpool2.BufferStatusMessage pooledBlock;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/Block.aidl b/media/c2/aidl/android/hardware/media/c2/Block.aidl
new file mode 100644
index 0000000..34aa7b1
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/Block.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2022 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.common.NativeHandle;
+import android.hardware.media.c2.Params;
+
+/**
+ * Reference to a @ref BaseBlock within a @ref WorkBundle.
+ *
+ * `Block` contains additional attributes that `BaseBlock` does not. These
+ * attributes may differ among `Block` objects that refer to the same
+ * `BaseBlock` in the same `WorkBundle`.
+ */
+@VintfStability
+parcelable Block {
+ /**
+ * Identity of a `BaseBlock` within a `WorkBundle`. This is an index into
+ * #WorkBundle.baseBlocks.
+ */
+ int index;
+ /**
+ * Metadata associated with this `Block`.
+ */
+ Params meta;
+ /**
+ * Fence for synchronizing `Block` access.
+ */
+ NativeHandle fence;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/Buffer.aidl b/media/c2/aidl/android/hardware/media/c2/Buffer.aidl
new file mode 100644
index 0000000..d2dcf2d
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/Buffer.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 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.Block;
+import android.hardware.media.c2.Params;
+
+/**
+ * A codec buffer, which is a collection of @ref Block objects and metadata.
+ *
+ * This is a part of @ref FrameData.
+ */
+@VintfStability
+parcelable Buffer {
+ /**
+ * Metadata associated with the buffer.
+ */
+ Params info;
+ /**
+ * Blocks contained in the buffer.
+ */
+ Block[] blocks;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/FieldDescriptor.aidl b/media/c2/aidl/android/hardware/media/c2/FieldDescriptor.aidl
new file mode 100644
index 0000000..a2774ec
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/FieldDescriptor.aidl
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2022 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.FieldId;
+
+/**
+ * Description of a field inside a C2Param structure.
+ */
+@VintfStability
+parcelable FieldDescriptor {
+ /**
+ * Possible types of the field.
+ */
+ @VintfStability
+ @Backing(type="int")
+ enum Type {
+ NO_INIT = 0,
+ INT32,
+ UINT32,
+ CNTR32,
+ INT64,
+ UINT64,
+ CNTR64,
+ FLOAT,
+ /**
+ * Fixed-size string (POD).
+ */
+ STRING = 0x100,
+ /**
+ * A blob has no sub-elements and can be thought of as an array of
+ * bytes. However, bytes cannot be individually addressed by clients.
+ */
+ BLOB,
+ /**
+ * The field is a structure that may contain other fields.
+ */
+ STRUCT = 0x20000,
+ }
+ /**
+ * Named value type. This is used for defining an enum value for a numeric
+ * type.
+ */
+ @VintfStability
+ parcelable NamedValue {
+ /**
+ * Name of the enum value. This must be unique for each enum value in
+ * the same field.
+ */
+ String name;
+ /**
+ * Underlying value of the enum value. Multiple enum names may have the
+ * same underlying value.
+ */
+ long value;
+ }
+ /**
+ * Location of the field in the C2Param structure
+ */
+ FieldId fieldId;
+ /**
+ * Type of the field.
+ */
+ Type type;
+ /**
+ * If #type is #Type.STRUCT, #structIndex is the C2Param structure index;
+ * otherwise, #structIndex is not used.
+ */
+ int structIndex;
+ /**
+ * Extent of the field.
+ * - For a non-array field, #extent is 1.
+ * - For a fixed-length array field, #extent is the length. An array field
+ * of length 1 is indistinguishable from a non-array field.
+ * - For a variable-length array field, #extent is 0. This can only occur as
+ * the last member of a C2Param structure.
+ */
+ int extent;
+ /**
+ * Name of the field. This must be unique for each field in the same
+ * structure.
+ */
+ String name;
+ /**
+ * List of enum values. This is not used when #type is not one of the
+ * numeric types.
+ */
+ NamedValue[] namedValues;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/FieldId.aidl b/media/c2/aidl/android/hardware/media/c2/FieldId.aidl
new file mode 100644
index 0000000..68bf058
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/FieldId.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2022 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;
+
+/**
+ * Identifying information of a field relative to a known C2Param structure.
+ *
+ * Within a given C2Param structure, each field is uniquely identified by @ref
+ * FieldId.
+ */
+@VintfStability
+parcelable FieldId {
+ /**
+ * Offset of the field in bytes.
+ */
+ int offset;
+ /**
+ * Size of the field in bytes.
+ */
+ int sizeBytes;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/FieldSupportedValues.aidl b/media/c2/aidl/android/hardware/media/c2/FieldSupportedValues.aidl
new file mode 100644
index 0000000..6c2033b
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/FieldSupportedValues.aidl
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2022 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.ValueRange;
+
+/*
+ * Description of supported values for a field of C2Param.
+ *
+ * This can be a continuous range or a discrete set of values.
+ *
+ * The intended type of values must be made clear in the context where
+ * `FieldSupportedValues` is used.
+ */
+@VintfStability
+union FieldSupportedValues {
+ /**
+ * No supported values
+ */
+ boolean empty;
+ /**
+ * Numeric range, described in a #ValueRange structure
+ */
+ ValueRange range;
+ /**
+ * List of values
+ */
+ long[] values;
+ /**
+ * List of flags that can be OR-ed.
+ *
+ * The list contains { min-mask, flag1, flag2... }. Basically, the first
+ * value is the required set of flags to be set, and the rest of the values are flags that can
+ * be set independently. FLAGS is only supported for integral types. Supported flags should
+ * not overlap, as it can make validation non-deterministic. The standard validation method
+ * is that starting from the original value, if each flag is removed when fully present (the
+ * min-mask must be fully present), we shall arrive at 0.
+ */
+ long[] flags;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/FieldSupportedValuesQuery.aidl b/media/c2/aidl/android/hardware/media/c2/FieldSupportedValuesQuery.aidl
new file mode 100644
index 0000000..bdaaef6
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/FieldSupportedValuesQuery.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2022 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.ParamField;
+
+/**
+ * Query information for supported values of a field. This is used as input to
+ * IConfigurable::querySupportedValues().
+ */
+@VintfStability
+parcelable FieldSupportedValuesQuery {
+ @VintfStability
+ @Backing(type="int")
+ enum Type {
+ /**
+ * Query all possible values regardless of other settings.
+ */
+ POSSIBLE = 0,
+ /**
+ * Query currently possible values given dependent settings.
+ */
+ CURRENT,
+ }
+ /**
+ * Identity of the field to query.
+ */
+ ParamField field;
+ /**
+ * Type of the query. See #Type for more information.
+ */
+ Type type;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/FieldSupportedValuesQueryResult.aidl b/media/c2/aidl/android/hardware/media/c2/FieldSupportedValuesQueryResult.aidl
new file mode 100644
index 0000000..b5c28c6
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/FieldSupportedValuesQueryResult.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2022 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.FieldSupportedValues;
+import android.hardware.media.c2.Status;
+
+/**
+ * This structure is used to hold the result from
+ * IConfigurable::querySupportedValues().
+ */
+@VintfStability
+parcelable FieldSupportedValuesQueryResult {
+ /**
+ * Result of the query. Possible values are
+ * - `Status::OK`: The query was successful.
+ * - `Status::BAD_STATE`: The query was requested when the `IConfigurable` instance
+ * was in a bad state.
+ * - `Status::BAD_INDEX`: The requested field was not recognized.
+ * - `Status::TIMED_OUT`: The query could not be completed in a timely manner.
+ * - `Status::BLOCKING`: The query must block, but the parameter `mayBlock` in the
+ * call to `querySupportedValues()` was `false`.
+ * - `Status::CORRUPTED`: Some unknown error occurred.
+ */
+ Status status;
+ /**
+ * Supported values. This is meaningful only when #status is `OK`.
+ */
+ FieldSupportedValues values;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/FrameData.aidl b/media/c2/aidl/android/hardware/media/c2/FrameData.aidl
new file mode 100644
index 0000000..15c1b6d
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/FrameData.aidl
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2022 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.Buffer;
+import android.hardware.media.c2.InfoBuffer;
+import android.hardware.media.c2.Params;
+import android.hardware.media.c2.WorkOrdinal;
+
+/**
+ * Data for an input frame or an output frame.
+ *
+ * This structure represents a @e frame with its metadata. A @e frame consists
+ * of an ordered set of buffers, configuration changes, and info buffers along
+ * with some non-configuration metadata.
+ *
+ * @note `FrameData` is the HIDL counterpart of `C2FrameData` in the Codec 2.0
+ * standard.
+ */
+@VintfStability
+parcelable FrameData {
+ /** List of frame flags */
+ /**
+ * For input frames: no output frame shall be generated when processing
+ * this frame, but metadata must still be processed.
+ *
+ * For output frames: this frame must be discarded but metadata is still
+ * valid.
+ */
+ const int DROP_FRAME = (1 << 0);
+ /**
+ * This frame is the last frame of the current stream. Further frames
+ * are part of a new stream.
+ */
+ const int END_OF_STREAM = (1 << 1);
+ /**
+ * This frame must be discarded with its metadata.
+ *
+ * This flag is only set by components, e.g. as a response to the flush
+ * command.
+ */
+ const int DISCARD_FRAME = (1 << 2);
+ /**
+ * This frame is not the last frame produced for the input.
+ *
+ * This flag is normally set by the component - e.g. when an input frame
+ * results in multiple output frames, this flag is set on all but the
+ * last output frame.
+ *
+ * Also, when components are chained, this flag should be propagated
+ * down the work chain. That is, if set on an earlier frame of a
+ * work-chain, it should be propagated to all later frames in that
+ * chain. Additionally, components down the chain could set this flag
+ * even if not set earlier, e.g. if multiple output frames are generated
+ * at that component for the input frame.
+ */
+ const int FLAG_INCOMPLETE = (1 << 3);
+ /**
+ * This frame contains only codec-specific configuration data, and no
+ * actual access unit.
+ */
+ const int CODEC_CONFIG = (1 << 31);
+ /**
+ * Frame flags, as described above.
+ */
+ int flags;
+ /**
+ * @ref WorkOrdinal of the frame.
+ */
+ WorkOrdinal ordinal;
+ /**
+ * List of frame buffers.
+ */
+ Buffer[] buffers;
+ /**
+ * List of configuration updates.
+ */
+ Params configUpdate;
+ /**
+ * List of info buffers.
+ */
+ InfoBuffer[] infoBuffers;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/IComponent.aidl b/media/c2/aidl/android/hardware/media/c2/IComponent.aidl
new file mode 100644
index 0000000..b3390c3
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/IComponent.aidl
@@ -0,0 +1,304 @@
+/*
+ * Copyright (C) 2022 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.common.NativeHandle;
+import android.view.Surface;
+
+import android.hardware.media.c2.IComponentInterface;
+import android.hardware.media.c2.IConfigurable;
+import android.hardware.media.c2.WorkBundle;
+import android.hardware.media.c2.SurfaceSyncObj;
+
+/**
+ * Interface for an AIDL Codec2 component.
+ * Components have two states: stopped and running. The running state has three
+ * sub-states: executing, tripped and error.
+ *
+ * All methods in `IComponent` must not block. If a method call cannot be
+ * completed in a timely manner, it must throw `Status::TIMED_OUT`.
+ */
+@VintfStability
+interface IComponent {
+ /**
+ * The reference object from framwork to HAL C2BlockPool.
+ *
+ * The object will be returned when C2BlockPool is created by a framework
+ * request. The object also can be destroyed using blockPoolId.
+ * Using configurable framework can query/config the object in HAL(IComponent).
+ */
+ parcelable BlockPool {
+ long blockPoolId;
+ IConfigurable configurable;
+ }
+ /**
+ * Configures a component for a tunneled playback mode.
+ *
+ * A successful call to this method puts the component in the *tunneled*
+ * mode. In this mode, the output `Worklet`s returned in
+ * IComponentListener::onWorkDone() may not contain any buffers. The output
+ * buffers are passed directly to the consumer end of a buffer queue whose
+ * producer side is configured with the returned @p sidebandStream passed
+ * to IGraphicBufferProducer::setSidebandStream().
+ *
+ * The component is initially in the non-tunneled mode by default. The
+ * tunneled mode can be toggled on only before the component starts
+ * processing. Once the component is put into the tunneled mode, it shall
+ * stay in the tunneled mode until and only until reset() is called.
+ *
+ * @param avSyncHwId A resource ID for hardware sync. The generator of sync
+ * IDs must ensure that this number is unique among all services at any
+ * given time. For example, if both the audio HAL and the tuner HAL
+ * support this feature, sync IDs from the audio HAL must not clash
+ * with sync IDs from the tuner HAL.
+ * @return Codec-allocated sideband stream NativeHandle. This can
+ * be passed to IGraphicBufferProducer::setSidebandStream() to
+ * establish a direct channel to the consumer.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::OMITTED` - The component does not support video tunneling.
+ * - `Status::BAD_STATE` - The component is already running.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ NativeHandle configureVideoTunnel(in int avSyncHwId);
+
+ /**
+ * Creates a local `C2BlockPool` backed by the given allocator and returns
+ * its id.
+ *
+ * The returned @p blockPoolId is the only way the client can refer to a
+ * `C2BlockPool` object in the component. The id can be passed to
+ * setOutputSurface() or used in some C2Param objects later.
+ *
+ * The created `C2BlockPool` object can be destroyed by calling
+ * destroyBlockPool(), reset() or release(). reset() and release() must
+ * destroy all `C2BlockPool` objects that have been created.
+ *
+ * @param allocatorId Id of a `C2Allocator`.
+ * @param out configurable Configuration interface for the created pool. This
+ * must not be null.
+ * @return Created block pool information. This could be used to config/query and
+ * also be used in setOutputSurface() if the allocator
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::NO_MEMORY` - Not enough memory to create the pool.
+ * - `Status::BAD_VALUE` - @p allocatorId is not recognized.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ BlockPool createBlockPool(in int allocatorId);
+
+ /**
+ * Destroys a local block pool previously created by createBlockPool().
+ *
+ * @param blockPoolId Id of a `C2BlockPool` that was previously returned by
+ * createBlockPool().
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::NOT_FOUND` - The supplied blockPoolId is not valid.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ void destroyBlockPool(in long blockPoolId);
+
+ /**
+ * Drains the component, and optionally downstream components. This is a
+ * signalling method; as such it does not wait for any work completion.
+ *
+ * The last `Work` item is marked as "drain-till-here", so the component is
+ * notified not to wait for further `Work` before it processes what is
+ * already queued. This method can also be used to set the end-of-stream
+ * flag after `Work` has been queued. Client can continue to queue further
+ * `Work` immediately after this method returns.
+ *
+ * This method must be supported in running (including tripped) states.
+ *
+ * `Work` that is completed must be returned via
+ * IComponentListener::onWorkDone().
+ *
+ * @param withEos Whether to drain the component with marking end-of-stream.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ void drain(in boolean withEos);
+
+ /**
+ * Discards and abandons any pending `Work` items for the component.
+ *
+ * This method must be supported in running (including tripped) states.
+ *
+ * `Work` that could be immediately abandoned/discarded must be returned in
+ * @p flushedWorkBundle. The order in which queued `Work` items are
+ * discarded can be arbitrary.
+ *
+ * `Work` that could not be abandoned or discarded immediately must be
+ * marked to be discarded at the earliest opportunity, and must be returned
+ * via IComponentListener::onWorkDone(). This must be completed within
+ * 500ms.
+ *
+ * @return `WorkBundle` object containing flushed `Work` items.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ WorkBundle flush();
+
+ /**
+ * Returns the @ref IComponentInterface instance associated to this
+ * component.
+ *
+ * An @ref IConfigurable instance for the component can be obtained by calling
+ * IComponentInterface::getConfigurable() on the returned @p intf.
+ *
+ * @return `IComponentInterface` instance. This must not be null.
+ */
+ IComponentInterface getInterface();
+
+ /**
+ * Queues up work for the component.
+ *
+ * This method must be supported in running (including tripped) states.
+ *
+ * It is acceptable for this method to return `OK` and return an error value
+ * using the IComponentListener::onWorkDone() callback.
+ *
+ * @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` - The components are not tunneled 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);
+
+ /**
+ * Releases the component.
+ *
+ * This method must be supported in stopped state.
+ *
+ * This method destroys the component. Upon return, if @p status is `OK` or
+ * `DUPLICATE`, all resources must have been released.
+ *
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::BAD_STATE` - The component is running.
+ * - `Status::DUPLICATE` - The component is already released.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ void release();
+
+ /**
+ * Resets the component.
+ *
+ * This method must be supported in all (including tripped) states other
+ * than released.
+ *
+ * This method must be supported during any other blocking call.
+ *
+ * This method must return within 500ms.
+ *
+ * When this call returns, if @p status is `OK`, all `Work` items must
+ * have been abandoned, and all resources (including `C2BlockPool` objects
+ * previously created by createBlockPool()) must have been released.
+ *
+ * If the return value is `BAD_STATE` or `DUPLICATE`, no state change is
+ * expected as a response to this call. For all other return values, the
+ * component must be in the stopped state.
+ *
+ * This brings settings back to their default, "guaranteeing" no tripped
+ * state.
+ *
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::BAD_STATE` - Component is in released state.
+ * - `Status::DUPLICATE` - When called during another reset call from another
+ * thread.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ void reset();
+
+ /**
+ * Starts using a surface for output with a synchronization object
+ *
+ * This method must not block.
+ *
+ * @param blockPoolId Id of the `C2BlockPool` to be associated with the
+ * output surface.
+ * @param surface Output surface.
+ * @param syncObject synchronization object for buffer allocation between
+ * Framework and Component.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::CANNOT_DO` - The component does not support an output surface.
+ * - `Status::REFUSED` - The output surface cannot be accessed.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ void setOutputSurface(in long blockPoolId, in Surface surface,
+ in SurfaceSyncObj syncObject);
+
+ /**
+ * Starts the component.
+ *
+ * This method must be supported in stopped state as well as tripped state.
+ *
+ * If the return value is `OK`, the component must be in the running state.
+ * If the return value is `BAD_STATE` or `DUPLICATE`, no state change is
+ * expected as a response to this call. Otherwise, the component must be in
+ * the stopped state.
+ *
+ * If a component is in the tripped state and start() is called while the
+ * component configuration still results in a trip, start() must succeed and
+ * a new onTripped() callback must be used to communicate the configuration
+ * conflict that results in the new trip.
+ *
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::BAD_STATE` - Component is not in stopped or tripped state.
+ * - `Status::DUPLICATE` - When called during another start call from another
+ * thread.
+ * - `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.
+ */
+ void start();
+
+ /**
+ * Stops the component.
+ *
+ * This method must be supported in running (including tripped) state.
+ *
+ * This method must return within 500ms.
+ *
+ * Upon this call, all pending `Work` must be abandoned.
+ *
+ * If the return value is `BAD_STATE` or `DUPLICATE`, no state change is
+ * expected as a response to this call. For all other return values, the
+ * component must be in the stopped state.
+ *
+ * This does not alter any settings and tunings that may have resulted in a
+ * tripped state.
+ *
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::BAD_STATE` - Component is not in running state.
+ * - `Status::DUPLICATE` - When called during another stop call from another
+ * thread.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ void stop();
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/IComponentInterface.aidl b/media/c2/aidl/android/hardware/media/c2/IComponentInterface.aidl
new file mode 100644
index 0000000..9db81e6
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/IComponentInterface.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 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;
+
+/**
+ * Component interface object. This object contains all of the configurations of
+ * a potential or actual component. It can be created and used independently of
+ * an actual Codec2 component to query supported parameters for various
+ * component settings, and configurations for a potential component.
+ *
+ * An actual component exposes this interface via IComponent::getInterface().
+ */
+@VintfStability
+interface IComponentInterface {
+ /**
+ * Returns the @ref IConfigurable instance associated to this component
+ * interface.
+ *
+ * @return `IConfigurable` instance. This must not be null.
+ */
+ IConfigurable getConfigurable();
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/IComponentListener.aidl b/media/c2/aidl/android/hardware/media/c2/IComponentListener.aidl
new file mode 100644
index 0000000..75500b7
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/IComponentListener.aidl
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2022 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.SettingResult;
+import android.hardware.media.c2.Status;
+import android.hardware.media.c2.WorkBundle;
+
+/**
+ * Callback interface for handling notifications from @ref IComponent.
+ */
+@VintfStability
+oneway interface IComponentListener {
+ /**
+ * Identifying information for an input buffer previously queued to the
+ * component via IComponent::queue().
+ */
+ @VintfStability
+ parcelable InputBuffer {
+ /**
+ * This value comes from `Work::input.ordinal.frameIndex` in a `Work`
+ * object that was previously queued.
+ */
+ long frameIndex;
+ /**
+ * This value is an index into `Work::input.buffers` (which is an array)
+ * in a `Work` object that was previously queued.
+ */
+ int arrayIndex;
+ }
+ /**
+ * Information about rendering of a frame to a `Surface`.
+ */
+ @VintfStability
+ parcelable RenderedFrame {
+ /**
+ * Id of the `BufferQueue` containing the rendered buffer.
+ *
+ * This value must have been obtained by an earlier call to
+ * IGraphicBufferProducer::getUniqueId().
+ */
+ long bufferQueueId;
+ /**
+ * Id of the slot of the rendered buffer.
+ *
+ * This value must have been obtained by an earlier call to
+ * IGraphicBufferProducer::dequeueBuffer() or
+ * IGraphicBufferProducer::attachBuffer().
+ */
+ int slotId;
+ /**
+ * Timestamp the rendering happened.
+ *
+ * The reference point for the timestamp is determined by the
+ * `BufferQueue` that performed the rendering.
+ */
+ long timestampNs;
+ }
+ /**
+ * Notify the listener of an error.
+ *
+ * @param status Error type. @p status may be `OK`, which means that an
+ * error has occurred, but the error type does not fit into the type
+ * `Status`. In this case, additional information is provided by
+ * @p errorCode.
+ * @param errorCode Additional error information. The framework may not
+ * recognize the meaning of this value.
+ */
+ void onError(in Status status, in int errorCode);
+
+ /**
+ * Notify the listener that frames have been rendered.
+ *
+ * @param renderedFrames List of @ref RenderedFrame objects.
+ */
+ void onFramesRendered(in RenderedFrame[] renderedFrames);
+
+ /**
+ * Notify the listener that some input buffers are no longer needed by the
+ * component, and hence can be released or reused by the client.
+ *
+ * Input buffers that are contained in a `Work` object returned by an
+ * earlier onWorkDone() call are assumed released, so they must not appear
+ * in any onInputBuffersReleased() calls. That means
+ * onInputBuffersReleased() must only report input buffers that are released
+ * before the output in the same `Work` item is produced. However, it is
+ * possible for an input buffer to be returned by onWorkDone() after it has
+ * been reported by onInputBuffersReleased().
+ *
+ * @note onWorkDone() and onInputBuffersReleased() both notify the client
+ * that input buffers are no longer needed. However, in order to minimize
+ * IPC calls, onInputBuffersReleased() should be called only when
+ * onWorkDone() cannot be called, e.g., the component needs more input
+ * before an output can be produced.
+ *
+ * @param inputBuffers List of `InputBuffer` objects, identifying input
+ * buffers that are no longer needed by the component.
+ */
+ void onInputBuffersReleased(in InputBuffer[] inputBuffers);
+
+ /**
+ * Notify the listener that the component is tripped.
+ *
+ * @param settingResults List of failures.
+ */
+ void onTripped(in SettingResult[] settingResults);
+
+ /**
+ * Notify the listener that some `Work` items have been completed.
+ *
+ * All the input buffers in the returned `Work` objects must not be used by
+ * the component after onWorkDone() is called.
+ *
+ * @param workBundle List of completed `Work` objects.
+ */
+ void onWorkDone(in WorkBundle workBundle);
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/IComponentStore.aidl b/media/c2/aidl/android/hardware/media/c2/IComponentStore.aidl
new file mode 100644
index 0000000..1435a7e
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/IComponentStore.aidl
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2022 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.Buffer;
+import android.hardware.media.c2.IComponent;
+import android.hardware.media.c2.IComponentInterface;
+import android.hardware.media.c2.IComponentListener;
+import android.hardware.media.c2.IConfigurable;
+import android.hardware.media.c2.StructDescriptor;
+
+/**
+ * Entry point for Codec2 HAL.
+ *
+ * All methods in `IComponentStore` must not block. If a method call cannot be
+ * completed in a timely manner, it must throw `Status::TIMED_OUT`. The only
+ * exceptions are getPoolClientManager() and getConfigurable(), which must
+ * always return immediately.
+ *
+ * @note This is an extension of version 1.1 of `IComponentStore`. The purpose
+ * of the extension is to add support for blocking output buffer allocator.
+ */
+@VintfStability
+interface IComponentStore {
+ /**
+ * Component traits.
+ */
+ @VintfStability
+ parcelable ComponentTraits {
+ @VintfStability
+ @Backing(type="int")
+ enum Kind {
+ OTHER = 0,
+ DECODER,
+ ENCODER,
+ }
+ @VintfStability
+ @Backing(type="int")
+ enum Domain {
+ OTHER = 0,
+ VIDEO,
+ AUDIO,
+ IMAGE,
+ }
+ /**
+ * Name of the component. This must be unique for each component.
+ *
+ * This name is use to identify the component to create in
+ * createComponent() and createComponentInterface().
+ */
+ String name;
+ /**
+ * Component domain.
+ */
+ Domain domain;
+ /**
+ * Component kind.
+ */
+ Kind kind;
+ /**
+ * Rank used by `MediaCodecList` to determine component ordering. Lower
+ * value means higher priority.
+ */
+ int rank;
+ /**
+ * MIME type.
+ */
+ String mediaType;
+ /**
+ * Aliases for component name for backward compatibility.
+ *
+ * Multiple components can have the same alias (but not the same
+ * component name) as long as their media types differ.
+ */
+ String[] aliases;
+ }
+
+ /**
+ * Copies the contents of @p src into @p dst without changing the format of
+ * @p dst.
+ *
+ * @param src Source buffer.
+ * @param dst Destination buffer.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::CANNOT_DO` - @p src and @p dst are not compatible.
+ * - `Status::REFUSED` - No permission to copy.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ void copyBuffer(in Buffer src, in Buffer dst);
+
+ /**
+ * Creates a component by name.
+ *
+ * @param name Name of the component to create. This must match one of the
+ * names returned by listComponents().
+ * @param listener Callback receiver.
+ * @param pool `IClientManager` object of the BufferPool in the client
+ * process. This may be null if the client does not own a BufferPool.
+ * @return The created component.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::NOT_FOUND` - There is no component with the given name.
+ * - `Status::NO_MEMORY` - Not enough memory to create the component.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ *
+ * @sa IComponentListener.
+ */
+ IComponent createComponent(in String name, in IComponentListener listener,
+ in android.hardware.media.bufferpool2.IClientManager pool);
+
+ /**
+ * Creates a component interface by name.
+ *
+ * @param name Name of the component interface to create. This should match
+ * one of the names returned by listComponents().
+ * @return The created component interface.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::NOT_FOUND` - There is no component interface with the given name.
+ * - `Status::NO_MEMORY` - Not enough memory to create the component interface.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ IComponentInterface createInterface(in String name);
+
+ /**
+ * Returns the @ref IConfigurable instance associated to this component
+ * store.
+ *
+ * @return `IConfigurable` instance. This must not be null.
+ */
+ IConfigurable getConfigurable();
+
+ /**
+ * Returns the `IClientManager` object for the component's BufferPool.
+ *
+ * @return If the component store supports receiving buffers via
+ * BufferPool API, @p pool must be a valid `IClientManager` instance.
+ * Otherwise, @p pool must be null.
+ */
+ android.hardware.media.bufferpool2.IClientManager getPoolClientManager();
+
+ /**
+ * Returns a list of `StructDescriptor` objects for a set of requested
+ * C2Param structure indices that this store is aware of.
+ *
+ * This operation must be performed at best effort, e.g. the component
+ * store must simply ignore all struct indices that it is not aware of.
+ *
+ * @param indices Indices of C2Param structures to describe.
+ * @return List of `StructDescriptor` objects.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::NOT_FOUND` - Some indices were not known.
+ * - `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.
+ */
+ StructDescriptor[] getStructDescriptors(in int[] indices);
+
+ /**
+ * Returns the list of components supported by this component store.
+ *
+ * @return traits List of component traits for all components supported by
+ * this store (in no particular order).
+ * @throws ServiceSpecificException with one of the 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.
+ */
+ ComponentTraits[] listComponents();
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/IConfigurable.aidl b/media/c2/aidl/android/hardware/media/c2/IConfigurable.aidl
new file mode 100644
index 0000000..7fdb825
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/IConfigurable.aidl
@@ -0,0 +1,213 @@
+/*
+ * Copyright (C) 2022 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.FieldSupportedValuesQuery;
+import android.hardware.media.c2.FieldSupportedValuesQueryResult;
+import android.hardware.media.c2.ParamDescriptor;
+import android.hardware.media.c2.Params;
+import android.hardware.media.c2.SettingResult;
+
+/**
+ * Generic configuration interface presented by all configurable Codec2 objects.
+ *
+ * This interface must be supported in all states of the owning object, and must
+ * not change the state of the owning object.
+ */
+@VintfStability
+interface IConfigurable {
+ /**
+ * Return parcelable for config() interface.
+ *
+ * This includes the successful config settings along with the failure reasons of
+ * the specified setting.
+ */
+ @VintfStability
+ parcelable ConfigResult {
+ Params params;
+ SettingResult[] failures;
+ }
+
+ /**
+ * Sets a set of parameters for the object.
+ *
+ * Tuning is performed at best effort: the object must update all supported
+ * configurations at best effort and skip unsupported parameters. Any errors
+ * are communicated in the return value along with the failures.
+ *
+ * A non-strict parameter update with an unsupported value shall cause an
+ * update to the closest supported value. A strict parameter update with an
+ * unsupported value shall be skipped and a failure shall be returned.
+ *
+ * If @p mayBlock is false, this method must not block. An update that
+ * requires blocking shall be skipped and a failure shall be returned.
+ *
+ * If @p mayBlock is true, an update may block, but the whole method call
+ * has to complete in a timely manner, or `Status::TIMED_OUT` is thrown.
+ *
+ * The final values for all parameters set are propagated back to the caller
+ * in @p params.
+ *
+ * \par For IComponent
+ *
+ * When the object type is @ref IComponent, this method must be supported in
+ * any state except released.
+ *
+ * The blocking behavior of this method differs among states:
+ * - In the stopped state, this must be non-blocking. @p mayBlock is
+ * ignored. (The method operates as if @p mayBlock was false.)
+ * - In any of the running states, this method may block momentarily if
+ * @p mayBlock is true. However, if the call cannot be completed in a
+ * timely manner, `Status::TIMED_OUT` is thrown.
+ *
+ * @note Parameter tuning @e does depend on the order of the tuning
+ * parameters, e.g., some parameter update may enable some subsequent
+ * parameter update.
+ *
+ * @param inParams Requested parameter updates.
+ * @param mayBlock Whether this call may block or not.
+ * @return result of config. Params in the result should be in same order
+ * with @p inParams.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::NO_MEMORY` - Some supported parameters could not be updated
+ * successfully because they contained unsupported values.
+ * These are returned in @p failures.
+ * - `Status::BLOCKING` - Setting some parameters requires blocking, but
+ * @p mayBlock is false.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ ConfigResult config(in Params inParams, in boolean mayBlock);
+
+ /**
+ * Returns the id of the object. This must be unique among all objects of
+ * the same type hosted by the same store.
+ *
+ * @return Id of the object.
+ */
+ int getId();
+
+ /**
+ * Returns the name of the object.
+ *
+ * This must match the name that was supplied during the creation of the
+ * object.
+ *
+ * @return Name of the object.
+ */
+ String getName();
+
+ /**
+ * Queries a set of parameters from the object.
+ *
+ * Querying is performed at best effort: the object must query all supported
+ * parameters and skip unsupported ones (which may include parameters that
+ * could not be allocated).
+ *
+ * If @p mayBlock is true, a query may block, but the whole method call
+ * has to complete in a timely manner, or `Status::TIMED_OUT` is thrown.
+ *
+ * If @p mayBlock is false, this method must not block(All parameter queries
+ * that require blocking must be skipped). Otherwise, this
+ * method is allowed to block for a certain period of time before completing
+ * the operation. If the operation is not completed in a timely manner,
+ * `Status::TIMED_OUT` is thrown.
+ *
+ * @note Since unsupported parameters will be skipped, the returned results
+ * does not have every settings from @p indices, but the result will preserve
+ * the original order from @p indices though unsupported settings are skipped.
+ *
+ * \par For IComponent
+ *
+ * When the object type is @ref IComponent, this method must be supported in
+ * any state except released. This call must not change the state nor the
+ * internal configuration of the component.
+ *
+ * The blocking behavior of this method differs among states:
+ * - In the stopped state, this must be non-blocking. @p mayBlock is
+ * ignored. (The method operates as if @p mayBlock was false.)
+ * - In any of the running states, this method may block momentarily if
+ * @p mayBlock is true. However, if the call cannot be completed in a
+ * timely manner, `Status::status` is thrown.
+ *
+ * @param indices List of C2Param structure indices to query.
+ * @param mayBlock Whether this call may block or not.
+ * @return Flattened representation of std::vector<C2Param> object.
+ * Unsupported settings are skipped in the results. The order in @p indices
+ * still be preserved except skipped settings.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::NO_MEMORY` - Could not allocate memory for a supported parameter.
+ * - `Status::BLOCKING` - Querying some parameters requires blocking, but
+ * @p mayBlock is false.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ Params query(in int[] indices, in boolean mayBlock);
+
+ /**
+ * Returns a list of supported parameters within a selected range of C2Param
+ * structure indices.
+ *
+ * @param start The first index of the selected range.
+ * @param count The length of the selected range.
+ * @return List of supported parameters in the selected range. This
+ * list may have fewer than @p count elements if some indices in the
+ * range are not supported.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::NO_MEMORY` - Not enough memory to complete this method.
+ *
+ */
+ ParamDescriptor[] querySupportedParams(in int start, in int count);
+
+ /**
+ * Retrieves the supported values for the queried fields.
+ *
+ * The object must process all fields queried even if some queries fail.
+ *
+ * If @p mayBlock is false, this method must not block. Otherwise, this
+ * method is allowed to block for a certain period of time before completing
+ * the operation. If the operation cannot be completed in a timely manner,
+ * `Status::TIMED_OUT` is thrown.
+ *
+ * \par For IComponent
+ *
+ * When the object type is @ref IComponent, this method must be supported in
+ * any state except released.
+ *
+ * The blocking behavior of this method differs among states:
+ * - In the stopped state, this must be non-blocking. @p mayBlock is
+ * ignored. (The method operates as if @p mayBlock was false.)
+ * - In any of the running states, this method may block momentarily if
+ * @p mayBlock is true. However, if the call cannot be completed in a
+ * timely manner, `Status::TIMED_OUT` is thrown.
+ *
+ * @param inFields List of field queries.
+ * @param mayBlock Whether this call may block or not.
+ * @return List of supported values and results for the
+ * supplied queries.
+ * @throws ServiceSpecificException with one of the following values:
+ * - `Status::BLOCKING` - Querying some parameters requires blocking, but
+ * @p mayBlock is false.
+ * - `Status::NO_MEMORY` - Not enough memory to complete this method.
+ * - `Status::BLOCKING` - Querying some fields requires blocking, but @p mayblock
+ * is false.
+ * - `Status::TIMED_OUT` - The operation cannot be finished in a timely manner.
+ * - `Status::CORRUPTED` - Some unknown error occurred.
+ */
+ FieldSupportedValuesQueryResult[] querySupportedValues(
+ in FieldSupportedValuesQuery[] inFields, in boolean mayBlock);
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/InfoBuffer.aidl b/media/c2/aidl/android/hardware/media/c2/InfoBuffer.aidl
new file mode 100644
index 0000000..207c4d0
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/InfoBuffer.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 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.Buffer;
+
+/**
+ * An extension of @ref Buffer that also contains a C2Param structure index.
+ *
+ * This is a part of @ref FrameData.
+ */
+@VintfStability
+parcelable InfoBuffer {
+ /**
+ * A C2Param structure index.
+ */
+ int index;
+ /**
+ * Associated @ref Buffer object.
+ */
+ Buffer buffer;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/ParamDescriptor.aidl b/media/c2/aidl/android/hardware/media/c2/ParamDescriptor.aidl
new file mode 100644
index 0000000..84c6acc
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/ParamDescriptor.aidl
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2022 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;
+
+/**
+ * Usage description of a C2Param structure.
+ *
+ * @ref ParamDescriptor is returned by IConfigurable::querySupportedParams().
+ */
+@VintfStability
+parcelable ParamDescriptor {
+ /** The list of bit flags for attrib */
+ /**
+ * The parameter is required to be specified.
+ */
+ const int ATTRIBUTE_REQUIRED = 1 << 0;
+ /**
+ * The parameter retains its value.
+ */
+ const int ATTRIBUTE_PERSISTENT = 1 << 1;
+ /**
+ * The parameter is strict.
+ */
+ const int ATTRIBUTE_STRICT = 1 << 2;
+ /**
+ * The parameter is publicly read-only.
+ */
+ const int ATTRIBUTE_READ_ONLY = 1 << 3;
+ /**
+ * The parameter must not be visible to clients.
+ */
+ const int ATTRIBUTE_HIDDEN = 1 << 4;
+ /**
+ * The parameter must not be used by framework (other than testing).
+ */
+ const int ATTRIBUTE_INTERNAL = 1 << 5;
+ /**
+ * The parameter is publicly constant (hence read-only).
+ */
+ const int ATTRIBUTE_CONST = 1 << 6;
+
+ /**
+ * Index of the C2Param structure being described.
+ */
+ int index;
+ /**
+ * bit flag for attribute defined in the above.
+ */
+ int attrib;
+ /**
+ * Name of the structure. This must be unique for each structure.
+ */
+ String name;
+ /**
+ * Indices of other C2Param structures that this C2Param structure depends
+ * on.
+ */
+ int[] dependencies;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/ParamField.aidl b/media/c2/aidl/android/hardware/media/c2/ParamField.aidl
new file mode 100644
index 0000000..64a46bb
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/ParamField.aidl
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 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.FieldId;
+
+/**
+ * Reference to a field in a C2Param structure.
+ */
+@VintfStability
+parcelable ParamField {
+ /**
+ * Index of the C2Param structure.
+ */
+ int index;
+ /**
+ * Identifier of the field inside the C2Param structure.
+ */
+ FieldId fieldId;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/ParamFieldValues.aidl b/media/c2/aidl/android/hardware/media/c2/ParamFieldValues.aidl
new file mode 100644
index 0000000..7b74c0e
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/ParamFieldValues.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2022 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.FieldSupportedValues;
+import android.hardware.media.c2.ParamField;
+
+/**
+ * Supported values for a field.
+ *
+ * This is a pair of the field specifier together with an optional supported
+ * values object. This structure is used when reporting parameter configuration
+ * failures and conflicts.
+ */
+@VintfStability
+parcelable ParamFieldValues {
+ /**
+ * Reference to a field or a C2Param structure.
+ */
+ ParamField paramOrField;
+ /**
+ * Optional supported values for the field if #paramOrField specifies an
+ * actual field that is numeric (non struct, blob or string). Supported
+ * values for arrays (including string and blobs) describe the supported
+ * values for each element (character for string, and bytes for blobs). It
+ * is optional for read-only strings and blobs.
+ */
+ FieldSupportedValues[] values;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/Params.aidl b/media/c2/aidl/android/hardware/media/c2/Params.aidl
new file mode 100644
index 0000000..53b512c
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/Params.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 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;
+
+/**
+ * Flattened representation of std::vector<C2Param> object.
+ *
+ * The `Params` type is an array of bytes made up by concatenating a list of
+ * C2Param objects. The start index (offset into @ref Params) of each C2Param
+ * object in the list is divisible by 8. Up to 7 padding bytes may be added
+ * after each C2Param object to achieve this 64-bit alignment.
+ *
+ * Each C2Param object has the following layout:
+ * - 4 bytes: C2Param structure index (of type @ref ParamIndex) identifying the
+ * type of the C2Param object.
+ * - 4 bytes: size of the C2Param object (unsigned 4-byte integer).
+ * - (size - 8) bytes: data of the C2Param object.
+ */
+@VintfStability
+parcelable Params {
+ byte[] params;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/SettingResult.aidl b/media/c2/aidl/android/hardware/media/c2/SettingResult.aidl
new file mode 100644
index 0000000..c2b9574
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/SettingResult.aidl
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2022 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.ParamFieldValues;
+
+/**
+ * Information describing the reason the parameter settings may fail, or may be
+ * overridden.
+ */
+@VintfStability
+parcelable SettingResult {
+ /**
+ * Failure code
+ */
+ @VintfStability
+ @Backing(type="int")
+ enum Failure {
+ /**
+ * Parameter is not supported.
+ */
+ BAD_TYPE,
+ /**
+ * Parameter is not supported on the specific port.
+ */
+ BAD_PORT,
+ /**
+ * Parameter is not supported on the specific stream.
+ */
+ BAD_INDEX,
+ /**
+ * Parameter is read-only and cannot be set.
+ */
+ READ_ONLY,
+ /**
+ * Parameter mismatches input data.
+ */
+ MISMATCH,
+ /**
+ * Strict parameter does not accept value for the field at all.
+ */
+ BAD_VALUE,
+ /**
+ * Strict parameter field value is in conflict with an/other
+ * setting(s).
+ */
+ CONFLICT,
+ /**
+ * Parameter field is out of range due to other settings. (This failure
+ * mode can only be used for strict calculated parameters.)
+ */
+ UNSUPPORTED,
+ /**
+ * Field does not access the requested parameter value at all. It has
+ * been corrected to the closest supported value. This failure mode is
+ * provided to give guidance as to what are the currently supported
+ * values for this field (which may be a subset of the at-all-potential
+ * values).
+ */
+ INFO_BAD_VALUE,
+ /**
+ * Requested parameter value is in conflict with an/other setting(s)
+ * and has been corrected to the closest supported value. This failure
+ * mode is given to provide guidance as to what are the currently
+ * supported values as well as to optionally provide suggestion to the
+ * client as to how to enable the requested parameter value.
+ */
+ INFO_CONFLICT,
+ }
+ Failure failure;
+ /**
+ * Failing (or corrected) field or parameter and optionally, currently
+ * supported values for the field. Values must only be set for field
+ * failures other than `BAD_VALUE`, and only if they are different from the
+ * globally supported values (e.g. due to restrictions by another parameter
+ * or input data).
+ */
+ ParamFieldValues field;
+ /**
+ * Conflicting parameters or fields with (optional) suggested values for any
+ * conflicting fields to avoid the conflict. Values must only be set for
+ * `CONFLICT`, `UNSUPPORTED` or `INFO_CONFLICT` failure code.
+ */
+ ParamFieldValues[] conflicts;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/Status.aidl b/media/c2/aidl/android/hardware/media/c2/Status.aidl
new file mode 100644
index 0000000..58a2404
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/Status.aidl
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2022 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;
+
+/**
+ * Common return values for Codec2 operations.
+ */
+@VintfStability
+parcelable Status {
+ /**
+ * Operation completed successfully.
+ */
+ const int OK = 0;
+ /**
+ * Argument has invalid value (user error).
+ */
+ const int BAD_VALUE = -22;
+ /**
+ * Argument uses invalid index (user error).
+ */
+ const int BAD_INDEX = -75;
+ /**
+ * Argument/Index is valid but not possible.
+ */
+ const int CANNOT_DO = -2147483646;
+ /**
+ * Object already exists.
+ */
+ const int DUPLICATE = -17;
+ /**
+ * Object not found.
+ */
+ const int NOT_FOUND = -2;
+ /**
+ * Operation is not permitted in the current state.
+ */
+ const int BAD_STATE = -38;
+ /**
+ * Operation would block but blocking is not permitted.
+ */
+ const int BLOCKING = -9930;
+ /**
+ * Not enough memory to complete operation.
+ */
+ const int NO_MEMORY = -12;
+ /**
+ * Missing permission to complete operation.
+ */
+ const int REFUSED = -1;
+ /**
+ * Operation did not complete within timeout.
+ */
+ const int TIMED_OUT = -110;
+ /**
+ * Operation is not implemented/supported (optional only).
+ */
+ const int OMITTED = -74;
+ /**
+ * Some unexpected error prevented the operation.
+ */
+ const int CORRUPTED = -2147483648;
+ /**
+ * Status has not been initialized.
+ */
+ const int NO_INIT = -19;
+
+ int status;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/StructDescriptor.aidl b/media/c2/aidl/android/hardware/media/c2/StructDescriptor.aidl
new file mode 100644
index 0000000..00359041
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/StructDescriptor.aidl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2022 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.FieldDescriptor;
+
+/**
+ * Description of a C2Param structure. It consists of an index and a list of
+ * `FieldDescriptor`s.
+ */
+@VintfStability
+parcelable StructDescriptor {
+ /**
+ * Index of the structure.
+ *
+ * Actually C2Param::CoreIndex
+ * Core index is the underlying parameter type for a parameter. It is used to describe the
+ * layout of the parameter structure regardless of the component or parameter kind/scope.
+ *
+ * It is used to identify and distinguish global parameters, and also parameters on a given
+ * port or stream. They must be unique for the set of global parameters, as well as for the
+ * set of parameters on each port or each stream, but the same core index can be used for
+ * parameters on different streams or ports, as well as for global parameters and port/stream
+ * parameters.
+ */
+ int type;
+ /**
+ * List of fields in the structure.
+ *
+ * Fields are ordered by their offsets. A field that is a structure is
+ * ordered before its members.
+ */
+ FieldDescriptor[] fields;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/SurfaceSyncObj.aidl b/media/c2/aidl/android/hardware/media/c2/SurfaceSyncObj.aidl
new file mode 100644
index 0000000..d20e102
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/SurfaceSyncObj.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2022 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.common.NativeHandle;
+/**
+ * Surface(BufferQueue/IGBP) synchronization object regarding # of dequeued
+ * output buffers. This keeps # of dequeued buffers from Surface less than
+ * configured max # of dequeued buffers all the time.
+ */
+@VintfStability
+parcelable SurfaceSyncObj {
+ /**
+ * ASharedMemory for synchronization data. Layout is below
+ *
+ * |lock(futex) 4bytes|
+ * |conditional_variable(futex) 4bytes|
+ * |# of max dequeable buffer 4bytes|
+ * |# of dequeued buffer 4bytes|
+ * |Status of the surface 4bytes|
+ * INIT = 0, Configuring surface is not finished.
+ * ACTIVE = 1, Surface is ready to allocate(dequeue).
+ * SWITCHING = 2, Switching to the new surface. It is blocked
+ * to allocate(dequeue) a buffer until switching
+ * completes.
+ */
+ NativeHandle syncMemory;
+ /**
+ * BufferQueue id.
+ */
+ long bqId;
+ /**
+ * Generation id.
+ */
+ int generationId;
+ /**
+ * Consumer usage flags. See +ndk
+ * libnativewindow#AHardwareBuffer_UsageFlags for possible values.
+ */
+ long consumerUsage;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/ValueRange.aidl b/media/c2/aidl/android/hardware/media/c2/ValueRange.aidl
new file mode 100644
index 0000000..9abcb7d
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/ValueRange.aidl
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2022 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;
+
+/**
+ * Description of a set of values.
+ *
+ * If the `step` member is 0, and `num` and `denom` are both 1, the `Range`
+ * structure represents a closed interval bounded by `min` and `max`.
+ *
+ * Otherwise, the #ValueRange structure represents a finite sequence of numbers
+ * produced from the following recurrence relation:
+ *
+ * @code
+ * v[0] = min
+ * v[i] = v[i - 1] * num / denom + step ; i >= 1
+ * @endcode
+ *
+ * Both the ratio `num / denom` and the value `step` must be positive. The
+ * last number in the sequence described by this #Range structure is the
+ * largest number in the sequence that is smaller than or equal to `max`.
+ *
+ * @note
+ * The division in the formula may truncate the result if the data type of
+ * these values is an integral type.
+ */
+@VintfStability
+parcelable ValueRange {
+ /**
+ * Lower end of the range (inclusive).
+ */
+ long min;
+ /**
+ * Upper end of the range (inclusive).
+ */
+ long max;
+ /**
+ * The non-homogeneous term in the recurrence relation.
+ */
+ long step;
+ /**
+ * The numerator of the scale coefficient in the recurrence relation.
+ */
+ long num;
+ /**
+ * The denominator of the scale coefficient in the recurrence relation.
+ */
+ long denom;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/Work.aidl b/media/c2/aidl/android/hardware/media/c2/Work.aidl
new file mode 100644
index 0000000..4b8d696
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/Work.aidl
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2022 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.FrameData;
+import android.hardware.media.c2.Status;
+import android.hardware.media.c2.Worklet;
+
+/**
+ * A collection of input data to and output data from the component.
+ *
+ * A `Work` object holds information about a single work item. It is created by
+ * the client and passed to the component via IComponent::queue(). The component
+ * has two ways of returning a `Work` object to the client:
+ * 1. If the queued `Work` object has been successfully processed,
+ * IComponentListener::onWorkDone() shall be called to notify the listener,
+ * and the output shall be included in the returned `Work` object.
+ * 2. If the client calls IComponent::flush(), a `Work` object that has not
+ * been processed shall be returned.
+ *
+ * `Work` is a part of @ref WorkBundle.
+ */
+@VintfStability
+parcelable Work {
+ /**
+ * Additional work chain info not part of this work.
+ */
+ byte[] chainInfo;
+ /**
+ * @ref FrameData for the input.
+ */
+ FrameData input;
+ /**
+ * The chain of `Worklet`s.
+ *
+ * The length of #worklets is 1 when tunneling is not enabled.
+ *
+ * If #worklets has more than a single element, the tunnels between
+ * successive components of the work chain must have been successfully
+ * pre-registered at the time that the `Work` is submitted. Allocating the
+ * output buffers in the `Worklet`s is the responsibility of each component
+ * in the chain.
+ *
+ * Upon `Work` submission, #worklets must be an appropriately sized vector
+ * containing `Worklet`s with @ref Worklet.hasOutput set to `false`. After a
+ * successful processing, all but the final `Worklet` in the returned
+ * #worklets must have @ref Worklet.hasOutput set to `false`.
+ */
+ Worklet[] worklets;
+ /**
+ * The number of `Worklet`s successfully processed in this chain.
+ *
+ * This must be initialized to 0 by the client when the `Work` is submitted,
+ * and it must contain the number of `Worklet`s that were successfully
+ * processed when the `Work` is returned to the client.
+ *
+ * #workletsProcessed cannot exceed the length of #worklets. If
+ * #workletsProcessed is smaller than the length of #worklets, #result
+ * cannot be `OK`.
+ */
+ int workletsProcessed;
+ /**
+ * The final outcome of the `Work` (corresponding to #workletsProcessed).
+ *
+ * The value of @ref Status.OK implies that all `Worklet`s have been
+ * successfully processed.
+ */
+ Status result;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/WorkBundle.aidl b/media/c2/aidl/android/hardware/media/c2/WorkBundle.aidl
new file mode 100644
index 0000000..2125fda
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/WorkBundle.aidl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2022 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.BaseBlock;
+import android.hardware.media.c2.Work;
+
+/**
+ * List of `Work` objects.
+ *
+ * `WorkBundle` is used in IComponent::queue(), IComponent::flush() and
+ * IComponentListener::onWorkDone(). A `WorkBundle` object consists of a list of
+ * `Work` objects and a list of `BaseBlock` objects. Bundling multiple `Work`
+ * objects together provides two benefits:
+ * 1. Batching of `Work` objects can reduce the number of IPC calls.
+ * 2. If multiple `Work` objects contain `Block`s that refer to the same
+ * `BaseBlock`, the number of `BaseBlock`s that is sent between processes
+ * is also reduced.
+ *
+ * @note `WorkBundle` is the AIDL counterpart of the vector of `C2Work` in the
+ * Codec 2.0 standard. The presence of #baseBlocks helps with minimizing the
+ * data transferred over an IPC.
+ */
+@VintfStability
+parcelable WorkBundle {
+ /**
+ * A list of Work items.
+ */
+ Work[] works;
+ /**
+ * A list of blocks indexed by elements of #works.
+ */
+ BaseBlock[] baseBlocks;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/WorkOrdinal.aidl b/media/c2/aidl/android/hardware/media/c2/WorkOrdinal.aidl
new file mode 100644
index 0000000..5708a90
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/WorkOrdinal.aidl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2022 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;
+
+/**
+ * Ordering information of @ref FrameData objects. Each member is used for
+ * comparing urgency: a smaller difference from a reference value indicates that
+ * the associated Work object is more urgent. The reference value for each
+ * member is initialized the first time it is communicated between the client
+ * and the codec, and it may be updated to later values that are communicated.
+ *
+ * Each member of `WorkOrdinal` is stored as an unsigned integer, but the actual
+ * order it represents is derived by subtracting the reference value, then
+ * interpreting the result as a signed number with the same storage size (using
+ * two's complement).
+ *
+ * @note `WorkOrdinal` is the HIDL counterpart of `C2WorkOrdinalStruct` in the
+ * Codec 2.0 standard.
+ */
+@VintfStability
+parcelable WorkOrdinal {
+ /**
+ * Timestamp in microseconds.
+ */
+ long timestampUs;
+ /**
+ * Frame index.
+ */
+ long frameIndex;
+ /**
+ * Component specific frame ordinal.
+ */
+ long customOrdinal;
+}
diff --git a/media/c2/aidl/android/hardware/media/c2/Worklet.aidl b/media/c2/aidl/android/hardware/media/c2/Worklet.aidl
new file mode 100644
index 0000000..6b3ceac
--- /dev/null
+++ b/media/c2/aidl/android/hardware/media/c2/Worklet.aidl
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2022 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.FrameData;
+import android.hardware.media.c2.SettingResult;
+
+/**
+ * In/out structure containing some instructions for and results from output
+ * processing.
+ *
+ * This is a part of @ref Work. One `Worklet` corresponds to one output
+ * @ref FrameData. The client must construct an original `Worklet` object inside
+ * a @ref Work object for each expected output before calling
+ * IComponent::queue().
+ */
+@VintfStability
+parcelable Worklet {
+ /**
+ * Component id. (Input)
+ *
+ * This is used only when tunneling is enabled.
+ *
+ * When used, this must match the return value from IConfigurable::getId().
+ */
+ int componentId;
+ /**
+ * List of C2Param objects describing tunings to be applied before
+ * processing this `Worklet`. (Input)
+ */
+ byte[] tunings;
+ /**
+ * List of failures. (Output)
+ */
+ SettingResult[] failures;
+ /**
+ * Output frame data. (Output)
+ */
+ FrameData output;
+}