Add ApexCodec API

Bug: 297922713
Test: m libapexcodecs
Flag: EXEMPT NDK (APEX)
Change-Id: I345300409c47dd7161b78653f32912640745d4c6
diff --git a/media/module/libapexcodecs/Android.bp b/media/module/libapexcodecs/Android.bp
new file mode 100644
index 0000000..790b749
--- /dev/null
+++ b/media/module/libapexcodecs/Android.bp
@@ -0,0 +1,71 @@
+//
+// Copyright (C) 2024 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 {
+    default_applicable_licenses: ["frameworks_av_license"],
+}
+
+cc_defaults {
+    name: "libapexcodecs-defaults",
+    header_libs: [
+        "libbase_headers",
+    ],
+
+    srcs: ["ApexCodecs.cpp"],
+
+    shared_libs: [
+        "libbase",
+        "libnativewindow",
+    ],
+
+    export_include_dirs: ["include"],
+
+    export_shared_lib_headers: [
+        "libbase",
+        "libnativewindow",
+    ],
+
+}
+
+cc_library {
+    name: "libapexcodecs-testing",
+    defaults: ["libapexcodecs-defaults"],
+
+    visibility: [
+        ":__subpackages__",
+    ],
+}
+
+cc_library {
+    name: "libapexcodecs",
+    defaults: ["libapexcodecs-defaults"],
+
+    visibility: [
+        "//frameworks/av/apex:__subpackages__",
+        "//frameworks/av/media/codec2/hal/client",
+    ],
+
+    min_sdk_version: "apex_inherit",
+    version_script: "libapexcodecs.map.txt",
+    stubs: {
+        symbol_file: "libapexcodecs.map.txt",
+        versions: ["36"],
+    },
+
+    apex_available: [
+        "com.android.media.swcodec",
+    ],
+}
diff --git a/media/module/libapexcodecs/ApexCodecs.cpp b/media/module/libapexcodecs/ApexCodecs.cpp
new file mode 100644
index 0000000..7101677
--- /dev/null
+++ b/media/module/libapexcodecs/ApexCodecs.cpp
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+#include <new>
+
+#include <android-base/no_destructor.h>
+#include <apex/ApexCodecs.h>
+
+// TODO: remove when we have real implementations
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-parameter"
+
+struct ApexCodec_ComponentStore {
+    ApexCodec_ComponentStore() = default;
+};
+
+ApexCodec_ComponentStore *ApexCodec_GetComponentStore() {
+    ::android::base::NoDestructor<ApexCodec_ComponentStore> store;
+    return store.get();
+}
+
+ApexCodec_ComponentTraits *ApexCodec_Traits_get(
+        ApexCodec_ComponentStore *store, size_t index) {
+    return nullptr;
+}
+
+ApexCodec_Status ApexCodec_Component_create(
+        ApexCodec_ComponentStore *store, const char *name, ApexCodec_Component **comp) {
+    *comp = nullptr;
+    return APEXCODEC_STATUS_NOT_FOUND;
+}
+
+void ApexCodec_Component_destroy(ApexCodec_Component *comp) {}
+
+ApexCodec_Status ApexCodec_Component_start(ApexCodec_Component *comp) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_Component_flush(ApexCodec_Component *comp) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_Component_reset(ApexCodec_Component *comp) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Configurable *ApexCodec_Component_getConfigurable(
+        ApexCodec_Component *comp) {
+    return nullptr;
+}
+
+ApexCodec_Status ApexCodec_SupportedValues_getTypeAndValues(
+        ApexCodec_SupportedValues *supportedValues,
+        ApexCodec_SupportedValuesType *type,
+        ApexCodec_SupportedValuesNumberType *numberType,
+        ApexCodec_Value **values,
+        uint32_t *numValues) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+void ApexCodec_SupportedValues_release(ApexCodec_SupportedValues *values) {}
+
+ApexCodec_Status ApexCodec_SettingResults_getResultAtIndex(
+        ApexCodec_SettingResults *results,
+        size_t index,
+        ApexCodec_SettingResultFailure *failure,
+        ApexCodec_ParamFieldValues *field,
+        ApexCodec_ParamFieldValues **conflicts,
+        size_t *numConflicts) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+void ApexCodec_SettingResults_release(ApexCodec_SettingResults *results) {}
+
+ApexCodec_Status ApexCodec_Component_process(
+        ApexCodec_Component *comp,
+        const ApexCodec_Buffer *input,
+        ApexCodec_Buffer *output,
+        size_t *consumed,
+        size_t *produced) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_Configurable_config(
+        ApexCodec_Configurable *comp,
+        ApexCodec_LinearBuffer *config,
+        ApexCodec_SettingResults **results) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_Configurable_query(
+        ApexCodec_Configurable *comp,
+        uint32_t indices[],
+        size_t numIndices,
+        ApexCodec_LinearBuffer *config,
+        size_t *written) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_ParamDescriptors_getIndices(
+        ApexCodec_ParamDescriptors *descriptors,
+        uint32_t **indices,
+        size_t *numIndices) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_ParamDescriptors_getDescriptor(
+        ApexCodec_ParamDescriptors *descriptors,
+        uint32_t index,
+        ApexCodec_ParamAttribute *attr,
+        const char **name,
+        uint32_t **dependencies,
+        size_t *numDependencies) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_ParamDescriptors_release(
+        ApexCodec_ParamDescriptors *descriptors) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_Configurable_querySupportedParams(
+        ApexCodec_Configurable *comp,
+        ApexCodec_ParamDescriptors **descriptors) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+ApexCodec_Status ApexCodec_Configurable_querySupportedValues(
+        ApexCodec_Configurable *comp,
+        ApexCodec_SupportedValuesQuery *queries,
+        size_t numQueries) {
+    return APEXCODEC_STATUS_OMITTED;
+}
+
+#pragma clang diagnostic pop
\ No newline at end of file
diff --git a/media/module/libapexcodecs/include/apex/ApexCodecs.h b/media/module/libapexcodecs/include/apex/ApexCodecs.h
new file mode 100644
index 0000000..b9f2e83
--- /dev/null
+++ b/media/module/libapexcodecs/include/apex/ApexCodecs.h
@@ -0,0 +1,768 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+#pragma once
+
+#include <sys/cdefs.h>
+#include <errno.h>
+#include <stdint.h>
+
+#include <android/api-level.h>
+#include <android/hardware_buffer.h>
+#include <android/versioning.h>
+
+__BEGIN_DECLS
+
+/**
+ * An API to access and operate codecs implemented within an APEX module,
+ * used only by the OS when using the codecs within a client process
+ * (instead of via a HAL).
+ *
+ * NOTE: Many of the constants and types mirror the ones in the Codec 2.0 API.
+ */
+
+/**
+ * Error code for ApexCodec APIs.
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_Status : int32_t {
+    APEXCODEC_STATUS_OK        = 0,
+
+    /* bad input */
+    APEXCODEC_STATUS_BAD_VALUE = EINVAL,
+    APEXCODEC_STATUS_BAD_INDEX = ENXIO,
+    APEXCODEC_STATUS_CANNOT_DO = ENOTSUP,
+
+    /* bad sequencing of events */
+    APEXCODEC_STATUS_DUPLICATE = EEXIST,
+    APEXCODEC_STATUS_NOT_FOUND = ENOENT,
+    APEXCODEC_STATUS_BAD_STATE = EPERM,
+    APEXCODEC_STATUS_BLOCKING  = EWOULDBLOCK,
+    APEXCODEC_STATUS_CANCELED  = EINTR,
+
+    /* bad environment */
+    APEXCODEC_STATUS_NO_MEMORY = ENOMEM,
+    APEXCODEC_STATUS_REFUSED   = EACCES,
+
+    APEXCODEC_STATUS_TIMED_OUT = ETIMEDOUT,
+
+    /* bad versioning */
+    APEXCODEC_STATUS_OMITTED   = ENOSYS,
+
+    /* unknown fatal */
+    APEXCODEC_STATUS_CORRUPTED = EFAULT,
+    APEXCODEC_STATUS_NO_INIT   = ENODEV,
+} ApexCodec_Status;
+
+/**
+ * Enum that represents the kind of component
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_Kind : uint32_t {
+    /**
+     * The component is of a kind that is not listed below.
+     */
+    APEXCODEC_KIND_OTHER = 0x0,
+    /**
+     * The component is a decoder, which decodes coded bitstream
+     * into raw buffers.
+     *
+     * Introduced in API 36.
+     */
+    APEXCODEC_KIND_DECODER = 0x1,
+    /**
+     * The component is an encoder, which encodes raw buffers
+     * into coded bitstream.
+     *
+     * Introduced in API 36.
+     */
+    APEXCODEC_KIND_ENCODER = 0x2,
+} ApexCodec_Kind;
+
+typedef enum ApexCodec_Domain : uint32_t {
+    /**
+     * A component domain that is not listed below.
+     *
+     * Introduced in API 36.
+     */
+    APEXCODEC_DOMAIN_OTHER = 0x0,
+    /**
+     * A component domain that operates on video.
+     *
+     * Introduced in API 36.
+     */
+    APEXCODEC_DOMAIN_VIDEO = 0x1,
+    /**
+     * A component domain that operates on audio.
+     *
+     * Introduced in API 36.
+     */
+    APEXCODEC_DOMAIN_AUDIO = 0x2,
+    /**
+     * A component domain that operates on image.
+     *
+     * Introduced in API 36.
+     */
+    APEXCODEC_DOMAIN_IMAGE = 0x3,
+} ApexCodec_Domain;
+
+/**
+ * Handle for component traits such as name, media type, kind (decoder/encoder),
+ * domain (audio/video/image), etc.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_ComponentTraits {
+    /**
+     * The name of the component.
+     */
+    const char *name;
+    /**
+     * The supported media type of the component.
+     */
+    const char *mediaType;
+    /**
+     * The kind of the component.
+     */
+    ApexCodec_Kind kind;
+    /**
+     * The domain on which the component operates.
+     */
+    ApexCodec_Domain domain;
+} ApexCodec_ComponentTraits;
+
+/**
+ * An opaque struct that represents a component store.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_ComponentStore ApexCodec_ComponentStore;
+
+/**
+ * Get the component store object. This function never fails.
+ *
+ * \return component store object.
+ */
+ApexCodec_ComponentStore *ApexCodec_GetComponentStore()
+        __INTRODUCED_IN(36);
+
+/**
+ * Get the traits object of a component at given index. ApexCodecs_Traits_*
+ * functions are used to extract information from the traits object.
+ *
+ * Returns nullptr if index is out of bounds. The returned object is owned by
+ * ApexCodec_ComponentStore object and the client should not delete it.
+ *
+ * The client can iterate through the traits objects by calling this function
+ * with an index incrementing from 0 until it gets a nullptr.
+ *
+ * \param index index of the traits object to query
+ * \return traits object at the index, or nullptr if the index is out of bounds.
+ */
+ApexCodec_ComponentTraits *ApexCodec_Traits_get(
+        ApexCodec_ComponentStore *store, size_t index) __INTRODUCED_IN(36);
+
+/**
+ * An opaque struct that represents a codec.
+ */
+typedef struct ApexCodec_Component ApexCodec_Component;
+
+/**
+ * Create a component by the name.
+ *
+ * \param store the component store
+ * \param name the name of the component
+ * \param component out-param to be filled with the component; must not be null
+ * \return  APEXCODEC_STATUS_OK         if successful
+ *          APEXCODEC_STATUS_NOT_FOUND  if the name is not found
+ */
+ApexCodec_Status ApexCodec_Component_create(
+        ApexCodec_ComponentStore *store, const char *name, ApexCodec_Component **comp)
+        __INTRODUCED_IN(36);
+
+/**
+ * Destroy the component by the handle. It is invalid to call component methods on the handle
+ * after calling this method. It is no-op to call this method with |comp| == nullptr.
+ *
+ * \param comp the handle for the component
+ */
+void ApexCodec_Component_destroy(ApexCodec_Component *comp) __INTRODUCED_IN(36);
+
+/**
+ * Start the component. The component is ready to process buffers after this call.
+ *
+ * \param comp the handle for the component
+ */
+ApexCodec_Status ApexCodec_Component_start(
+        ApexCodec_Component *comp) __INTRODUCED_IN(36);
+
+/**
+ * Flush the component's internal states. This operation preserves the existing configurations.
+ *
+ * \param comp the handle for the component
+ */
+ApexCodec_Status ApexCodec_Component_flush(
+        ApexCodec_Component *comp) __INTRODUCED_IN(36);
+
+/**
+ * Resets the component to the initial state, right after creation. Note that the configuration
+ * will also revert to the initial state, so if there are configurations required those should be
+ * set again to use the component.
+ *
+ * \param comp the handle for the component
+ */
+ApexCodec_Status ApexCodec_Component_reset(
+        ApexCodec_Component *comp) __INTRODUCED_IN(36);
+
+/**
+ * An opaque struct that represents a configurable part of the component.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_Configurable ApexCodec_Configurable;
+
+/**
+ * Return the configurable object for the given ApexCodec_Component.
+ * The returned object has the same lifecycle as |comp|.
+ *
+ * \param comp the handle for the component
+ * \return the configurable object handle
+ */
+ApexCodec_Configurable *ApexCodec_Component_getConfigurable(
+        ApexCodec_Component *comp) __INTRODUCED_IN(36);
+
+/**
+ * Enum that represents the flags for ApexCodec_Buffer.
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_BufferFlags : uint32_t {
+    APEXCODEC_FLAG_DROP_FRAME    = (1 << 0),
+    APEXCODEC_FLAG_END_OF_STREAM = (1 << 1),
+    APEXCODEC_FLAG_DISCARD_FRAME = (1 << 2),
+    APEXCODEC_FLAG_INCOMPLETE    = (1 << 3),
+    APEXCODEC_FLAG_CORRECTED     = (1 << 4),
+    APEXCODEC_FLAG_CORRUPT       = (1 << 5),
+    APEXCODEC_FLAG_CODEC_CONFIG  = (1u << 31),
+} ApexCodec_BufferFlags;
+
+/**
+ * Enum that represents the type of buffer.
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_BufferType : uint32_t {
+    APEXCODEC_BUFFER_TYPE_INVALID,
+    APEXCODEC_BUFFER_TYPE_LINEAR,
+    APEXCODEC_BUFFER_TYPE_LINEAR_CHUNKS,
+    APEXCODEC_BUFFER_TYPE_GRAPHIC,
+    APEXCODEC_BUFFER_TYPE_GRAPHIC_CHUNKS,
+} ApexCodec_BufferType;
+
+/**
+ * Struct that represents the memory for ApexCodec_Buffer.
+ *
+ * All memory regions have the simple 1D representation.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_LinearBuffer {
+    /**
+     * A pointer to the start of the buffer. This is not aligned.
+     */
+    uint8_t *data;
+    /**
+     * Size of the buffer. The memory region between |data| (inclusive) and
+     * |data + size| (exclusive) is assumed to be valid for read/write.
+     */
+    size_t size;
+} ApexCodec_LinearBuffer;
+
+/**
+ * Struct that represents a buffer for ApexCodec_Component.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_Buffer {
+    /**
+     * Flags associated with the buffer.
+     */
+    ApexCodec_BufferFlags flags;
+    /**
+     * For input buffers client assign a unique sequential index for each buffer. For output buffers
+     * it is the same as the associated input buffer's frame index.
+     */
+    uint64_t frameIndex;
+    /**
+     * A timestamp associated with the buffer in microseconds.
+     */
+    uint64_t timestampUs;
+    /**
+     * The type of the buffer. The component may reject request to process a buffer with the wrong
+     * type. For example, a video decoder will reject an input buffer with type BUFFER_TYPE_GRAPHIC,
+     * or an output buffer with type BUFFER_TYPE_LINEAR.
+     */
+    ApexCodec_BufferType type;
+    /**
+     * The actual memory for the buffer.
+     */
+    union {
+        ApexCodec_LinearBuffer linear;
+        AHardwareBuffer *graphic;
+    } memory;
+    /**
+     * Config updates associated with the buffer. For input buffers these are sent to the component
+     * at the specific input frame. For output buffers these are config updates as a result of
+     * processing the buffer.
+     */
+    ApexCodec_LinearBuffer configUpdates;
+} ApexCodec_Buffer;
+
+/**
+ * Enum that represents the query type for the supported values.
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_SupportedValuesQueryType : uint32_t {
+    /** Query all possible supported values regardless of current configuration */
+    APEXCODEC_SUPPORTED_VALUES_QUERY_POSSIBLE,
+    /** Query supported values at current configuration */
+    APEXCODEC_SUPPORTED_VALUES_QUERY_CURRENT,
+} ApexCodec_SupportedValuesQueryType;
+
+/**
+ * Enum that represents the type of the supported values.
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_SupportedValuesType : uint32_t {
+    /** The supported values are empty. */
+    APEXCODEC_SUPPORTED_VALUES_EMPTY,
+    /**
+     * The supported values are represented by a range defined with {min, max, step, num, den}.
+     *
+     * If step is 0 and num and denom are both 1, the supported values are any value, for which
+     * min <= value <= max.
+     *
+     * Otherwise, the range represents a geometric/arithmetic/multiply-accumulate series, where
+     * successive supported values can be derived from previous values (starting at min), using the
+     * following formula:
+     *  v[0] = min
+     *  v[i] = v[i-1] * num / denom + step for i >= 1, while min < v[i] <= max.
+     */
+    APEXCODEC_SUPPORTED_VALUES_RANGE,
+    /** The supported values are represented by a list of values. */
+    APEXCODEC_SUPPORTED_VALUES_VALUES,
+    /** The supported values are represented by a list of flags. */
+    APEXCODEC_SUPPORTED_VALUES_FLAGS,
+} ApexCodec_SupportedValuesType;
+
+/**
+ * Enum that represents numeric types of the supported values.
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_SupportedValuesNumberType : uint32_t {
+    APEXCODEC_SUPPORTED_VALUES_TYPE_NONE   = 0,
+    APEXCODEC_SUPPORTED_VALUES_TYPE_INT32  = 1,
+    APEXCODEC_SUPPORTED_VALUES_TYPE_UINT32 = 2,
+    // RESERVED                            = 3,
+    APEXCODEC_SUPPORTED_VALUES_TYPE_INT64  = 4,
+    APEXCODEC_SUPPORTED_VALUES_TYPE_UINT64 = 5,
+    // RESERVED                            = 6,
+    APEXCODEC_SUPPORTED_VALUES_TYPE_FLOAT  = 7,
+} ApexCodec_SupportedValuesNumberType;
+
+/**
+ * Union of primitive types.
+ *
+ * Introduced in API 36.
+ */
+typedef union {
+    int32_t i32;
+    uint32_t u32;
+    int64_t i64;
+    uint64_t u64;
+    float f;
+} ApexCodec_Value;
+
+/**
+ * An opaque struct that represents the supported values of a parameter.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_SupportedValues ApexCodec_SupportedValues;
+
+/**
+ * Extract information from ApexCodec_SupportedValues object.
+ *
+ * \param [in] supportedValues the supported values object
+ * \param [out] type        pointer to be filled with the type of the supported values
+ * \param [out] numberType  pointer to be filled with the numeric type of the supported values
+ * \param [out] values      pointer to be filled with the array of the actual supported values.
+ *                          if type == APEXCODEC_SUPPORTED_VALUES_EMPTY: nullptr
+ *                          if type == APEXCODEC_SUPPORTED_VALUES_RANGE: {min, max, step, num, den}
+ *                          if type == APEXCODEC_SUPPORTED_VALUES_VALUES/_FLAGS:
+ *                              the array of supported values/flags
+ *                          the array is owned by the |supportedValues| object and the client
+ *                          should not free it.
+ * \param [out] numValues   pointer to be filled with the number of values.
+ *                          if type == APEXCODEC_SUPPORTED_VALUES_EMPTY: 0
+ *                          if type == APEXCODEC_SUPPORTED_VALUES_RANGE: 5
+ *                          if type == APEXCODEC_SUPPORTED_VALUES_VALUES/_FLAGS: varies
+ */
+ApexCodec_Status ApexCodec_SupportedValues_getTypeAndValues(
+        ApexCodec_SupportedValues *supportedValues,
+        ApexCodec_SupportedValuesType *type,
+        ApexCodec_SupportedValuesNumberType *numberType,
+        ApexCodec_Value **values,
+        uint32_t *numValues) __INTRODUCED_IN(36);
+
+/**
+ * Release the supported values object.
+ *
+ * \param values the supported values object
+ */
+void ApexCodec_SupportedValues_release(
+        ApexCodec_SupportedValues *values) __INTRODUCED_IN(36);
+
+/**
+ * Struct that represents the result of ApexCodec_Configurable_config.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_SettingResults ApexCodec_SettingResults;
+
+/**
+ * Enum that represents the failure code of ApexCodec_SettingResults.
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_SettingResultFailure : uint32_t {
+    /** parameter type is not supported */
+    APEXCODEC_SETTING_RESULT_BAD_TYPE,
+    /** parameter is not supported on the specific port */
+    APEXCODEC_SETTING_RESULT_BAD_PORT,
+    /** parameter is not supported on the specific stream */
+    APEXCODEC_SETTING_RESULT_BAD_INDEX,
+    /** parameter is read-only */
+    APEXCODEC_SETTING_RESULT_READ_ONLY,
+    /** parameter mismatches input data */
+    APEXCODEC_SETTING_RESULT_MISMATCH,
+    /** strict parameter does not accept value for the field at all */
+    APEXCODEC_SETTING_RESULT_BAD_VALUE,
+    /** strict parameter field value conflicts with another settings */
+    APEXCODEC_SETTING_RESULT_CONFLICT,
+    /** strict parameter field is out of range due to other settings */
+    APEXCODEC_SETTING_RESULT_UNSUPPORTED,
+    /**
+     * field does not accept 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)
+     */
+    APEXCODEC_SETTING_RESULT_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.
+     */
+    APEXCODEC_SETTING_RESULT_INFO_CONFLICT,
+} ApexCodec_SettingResultFailure;
+
+/**
+ * Struct that represents a field and its supported values of a parameter.
+ *
+ * The offset and size of the field are where the field is located in the blob representation of
+ * the parameter, as used in the ApexCodec_Configurable_query() and ApexCodec_Configurable_config(),
+ * for example.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_ParamFieldValues {
+    /** index of the param */
+    uint32_t index;
+    /** offset of the param field */
+    uint32_t offset;
+    /** size of the param field */
+    uint32_t size;
+    /** currently supported values of the param field */
+    ApexCodec_SupportedValues *values;
+} ApexCodec_ParamFieldValues;
+
+/**
+ * Extract the result of ApexCodec_Configurable_config.
+ * The client can iterate through the results with index starting from 0 until this function returns
+ * APEXCODEC_STATUS_NOT_FOUND.
+ *
+ * \param [in]  result  the result object
+ * \param [in]  index   the index of the result to extract, starts from 0.
+ * \param [out] failure pointer to be filled with the failure code
+ * \param [out] field   pointer to be filled with the field that failed.
+ *                      |field->value| is owned by the |result| object and the client should not
+ *                      free it.
+ * \param [out] conflicts   pointer to be filled with the array of conflicts.
+ *                          nullptr if |numConflicts| is 0.
+ *                          the array and its content is owned by the |result| object and the client
+ *                          should not free it.
+ * \param [out] numConflicts pointer to be filled with the number of conflicts
+ *                          may be 0 if there are no conflicts
+ * \return APEXCODEC_STATUS_OK         if successful
+ * \return APEXCODEC_STATUS_NOT_FOUND  if index is out of range
+ */
+ApexCodec_Status ApexCodec_SettingResults_getResultAtIndex(
+        ApexCodec_SettingResults *results,
+        size_t index,
+        ApexCodec_SettingResultFailure *failure,
+        ApexCodec_ParamFieldValues *field,
+        ApexCodec_ParamFieldValues **conflicts,
+        size_t *numConflicts) __INTRODUCED_IN(36);
+
+/**
+ * Release the setting result object.
+ *
+ * \param result the setting result object
+ */
+void ApexCodec_SettingResults_release(
+        ApexCodec_SettingResults *results) __INTRODUCED_IN(36);
+
+/**
+ * Process one frame from |input|, and produce one frame to |output| if possible.
+ * When successfully filled, |output->memory.linear| has the size adjusted to the produced
+ * output size, in case of linear buffers. |input->configUpdates| is applied with the input
+ * buffer; |output->configUpdates| contains config updates as a result of processing the frame.
+ *
+ * \param comp      the component to process the buffers
+ * \param input     the input buffer; when nullptr, the component should fill |output| if there are
+ *                  any pending output buffers.
+ * \param output    the output buffer, should not be nullptr.
+ * \param consumed  the number of consumed bytes from the input buffer
+ *                  set to 0 if no input buffer has been consumed, including |input| is nullptr.
+ *                  for graphic buffers, any non-zero value means that the input buffer is consumed.
+ * \param produced  the number of bytes produced on the output buffer
+ *                  set to 0 if no output buffer has been produced.
+ *                  for graphic buffers, any non-zero value means that the output buffer is filled.
+ * \return APEXCODEC_STATUS_OK         if successful
+ * \return APEXCODEC_STATUS_NO_MEMORY  if the output buffer is not suitable to hold the output frame
+ *                                     the client should retry with a new output buffer;
+ *                                     configUpdates should have the information to update
+ *                                     the buffer size.
+ * \return APEXCODEC_STATUS_BAD_VALUE  if the parameters are bad
+ * \return APEXCODEC_STATUS_BAD_STATE  if the component is not in the right state
+ *                                     to process the frame
+ * \return APEXCODEC_STATUS_CORRUPTED  if unexpected error has occurred
+ */
+ApexCodec_Status ApexCodec_Component_process(
+        ApexCodec_Component *comp,
+        const ApexCodec_Buffer *input,
+        ApexCodec_Buffer *output,
+        size_t *consumed,
+        size_t *produced) __INTRODUCED_IN(36);
+
+/**
+ * Configure the component with the given config.
+ *
+ * Configurations are Codec 2.0 configs in binary blobs,
+ * concatenated if there are multiple configs.
+ *
+ * frameworks/av/media/codec2/core/include/C2Param.h contains more details about the configuration
+ * blob layout.
+ *
+ * The component may correct the configured parameters to the closest supported values, and could
+ * fail in case there are no values that the component can auto-correct to. |result| contains the
+ * information about the failures. See ApexCodec_SettingResultFailure and ApexCodec_SettingResults
+ * for more details.
+ *
+ * \param [in]    comp   the handle for the component
+ * \param [inout] config the config blob; after the call, the config blob is updated to the actual
+ *                       config by the component.
+ * \param [out]   result the result of the configuration.
+ *                       the client should call ApexCodec_SettingResult_getResultAtIndex()
+ *                       to extract the result. The result object is owned by the client and should
+ *                       be released with ApexCodec_SettingResult_release().
+ *                       |result| may be nullptr if empty.
+ * \return APEXCODEC_STATUS_OK         if successful
+ * \return APEXCODEC_STATUS_BAD_VALUE  if the config is invalid
+ * \return APEXCODEC_STATUS_BAD_STATE  if the component is not in the right state to be configured
+ * \return APEXCODEC_STATUS_CORRUPTED  if unexpected error has occurred
+ */
+ApexCodec_Status ApexCodec_Configurable_config(
+        ApexCodec_Configurable *comp,
+        ApexCodec_LinearBuffer *config,
+        ApexCodec_SettingResults **results) __INTRODUCED_IN(36);
+
+/**
+ * Query the component for the given indices.
+ *
+ * Parameter indices are defined in frameworks/av/media/codec2/core/include/C2Config.h.
+ *
+ * \param [in] comp         the handle for the component
+ * \param [in] indices      the array of indices to query
+ * \param [in] numIndices   the size of the indices array
+ * \param [inout] config    the output buffer for the config blob, allocated by the client.
+ *                          if the |config->size| was insufficient, it is set to the required size
+ *                          and |config->data| remains unchanged.
+ * \param [out] written     the number of bytes written to |config|.
+ * \return APEXCODEC_STATUS_OK          if successful
+ * \return APEXCODEC_STATUS_NO_MEMORY   if |config.size| is too small; |config.size| is updated to the
+ *                                      requested buffer size.
+ * \return APEXCODEC_STATUS_BAD_VALUE   if the parameters are bad. e.g. |indices|, |config|,
+ *                                      |config->data| or |written| is nullptr.
+ */
+ApexCodec_Status ApexCodec_Configurable_query(
+        ApexCodec_Configurable *comp,
+        uint32_t indices[],
+        size_t numIndices,
+        ApexCodec_LinearBuffer *config,
+        size_t *written) __INTRODUCED_IN(36);
+
+/**
+ * Struct that represents a parameter descriptor.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_ParamDescriptors ApexCodec_ParamDescriptors;
+
+/**
+ * Enum that represents the attributes of a parameter.
+ *
+ * Introduced in API 36.
+ */
+typedef enum ApexCodec_ParamAttribute : uint32_t {
+    /** parameter is required to be specified */
+    APEXCODEC_PARAM_IS_REQUIRED   = 1u << 0,
+    /** parameter retains its value */
+    APEXCODEC_PARAM_IS_PERSISTENT = 1u << 1,
+    /** parameter is strict */
+    APEXCODEC_PARAM_IS_STRICT     = 1u << 2,
+    /** parameter is read-only */
+    APEXCODEC_PARAM_IS_READ_ONLY  = 1u << 3,
+    /** parameter shall not be visible to clients */
+    APEXCODEC_PARAM_IS_HIDDEN     = 1u << 4,
+    /** parameter shall not be used by framework (other than testing) */
+    APEXCODEC_PARAM_IS_INTERNAL   = 1u << 5,
+    /** parameter is publicly const (hence read-only) */
+    APEXCODEC_PARAM_IS_CONST      = 1u << 6 | APEXCODEC_PARAM_IS_READ_ONLY,
+} ApexCodec_ParamAttribute;
+
+/**
+ * Get the parameter indices of the param descriptors.
+ *
+ * \param [in] descriptors the param descriptors object
+ * \param [out] indices the pointer to be filled with the array of the indices;
+ *                      the array is owned by |descriptors| and should not be freed by the client.
+ * \param [out] numIndices the size of the indices array
+ * \return APEXCODEC_STATUS_OK          if successful
+ * \return APEXCODEC_STATUS_BAD_VALUE   if parameters are bad. e.g. |descriptors|, |indices| or
+ *                                  |numIndices| is nullptr.
+ */
+ApexCodec_Status ApexCodec_ParamDescriptors_getIndices(
+        ApexCodec_ParamDescriptors *descriptors,
+        uint32_t **indices,
+        size_t *numIndices) __INTRODUCED_IN(36);
+
+/**
+ * Get the descriptor of the param.
+ *
+ * \param [in] descriptors the param descriptors object
+ * \param [in] index the index of the param
+ * \param [out] attr the attribute of the param
+ * \param [out] name    the pointer to be filled with the name of the param
+ *                      the string is owned by |descriptors| and should not be freed by the client.
+ * \param [out] dependencies the pointer to be filled with an array of the parameter indices
+ *                        that the parameter with |index| depends on.
+ *                        may be null if empty.
+ *                        the array is owned by |descriptors| and should not be freed by the client.
+ * \param [out] numDependencies the number of dependencies
+ * \return APEXCODEC_STATUS_OK          if successful
+ * \return APEXCODEC_STATUS_BAD_VALUE   if parameters are bad. e.g. |descriptors|, |attr|, |name|,
+ *                                  |dependencies| or |numDependencies| is nullptr.
+ * \return APEXCODEC_STATUS_BAD_INDEX   if the index is not included in the param descriptors.
+ */
+ApexCodec_Status ApexCodec_ParamDescriptors_getDescriptor(
+        ApexCodec_ParamDescriptors *descriptors,
+        uint32_t index,
+        ApexCodec_ParamAttribute *attr,
+        const char **name,
+        uint32_t **dependencies,
+        size_t *numDependencies) __INTRODUCED_IN(36);
+
+/**
+ * Release the param descriptors object.
+ *
+ * \param descriptors the param descriptors object
+ */
+ApexCodec_Status ApexCodec_ParamDescriptors_release(
+        ApexCodec_ParamDescriptors *descriptors) __INTRODUCED_IN(36);
+
+/**
+ * Query the component for the supported parameters.
+ *
+ * \param comp the handle for the component
+ * \param descriptors   the pointer to be filled with the param descriptors object
+ *                      the object should be released with ApexCodec_ParamDescriptors_release().
+ * \return APEXCODEC_STATUS_OK          if successful
+ * \return APEXCODEC_STATUS_BAD_VALUE   if parameters are bad. e.g. |descriptors| is nullptr.
+ */
+ApexCodec_Status ApexCodec_Configurable_querySupportedParams(
+        ApexCodec_Configurable *comp,
+        ApexCodec_ParamDescriptors **descriptors) __INTRODUCED_IN(36);
+
+/**
+ * Struct that represents the query for the supported values of a parameter.
+ *
+ * The offset of the field can be found in the layout of the parameter blob.
+ *
+ * Introduced in API 36.
+ */
+typedef struct ApexCodec_SupportedValuesQuery {
+    /* in-params */
+
+    /** index of the param */
+    uint32_t index;
+    /** offset to the param field */
+    size_t offset;
+    /** query type */
+    ApexCodec_SupportedValuesQueryType type;
+
+    /* out-params */
+
+    /** status of the query */
+    ApexCodec_Status status;
+
+    /** supported values. must be released with ApexCodec_SupportedValues_release(). */
+    ApexCodec_SupportedValues *values;
+} ApexCodec_SupportedValuesQuery;
+
+/**
+ * Query the component for the supported values of the given indices.
+ *
+ * \param comp the handle for the component
+ * \param queries the array of queries
+ * \param numQueries the size of the queries array
+ * \return  APEXCODEC_STATUS_OK         if successful
+ *          APEXCODEC_STATUS_CORRUPTED  if unexpected error has occurred
+ */
+ApexCodec_Status ApexCodec_Configurable_querySupportedValues(
+        ApexCodec_Configurable *comp,
+        ApexCodec_SupportedValuesQuery *queries,
+        size_t numQueries) __INTRODUCED_IN(36);
+
+__END_DECLS
\ No newline at end of file
diff --git a/media/module/libapexcodecs/libapexcodecs.map.txt b/media/module/libapexcodecs/libapexcodecs.map.txt
new file mode 100644
index 0000000..672cf89
--- /dev/null
+++ b/media/module/libapexcodecs/libapexcodecs.map.txt
@@ -0,0 +1,26 @@
+LIBAPEXCODECS_36 { # introduced=36
+  global:
+    ApexCodec_Component_create; # apex
+    ApexCodec_Component_destroy; # apex
+    ApexCodec_Component_flush; # apex
+    ApexCodec_Component_getConfigurable; # apex
+    ApexCodec_Component_process; # apex
+    ApexCodec_Component_start; # apex
+    ApexCodec_Component_reset; # apex
+    ApexCodec_Configurable_config; # apex
+    ApexCodec_Configurable_query; # apex
+    ApexCodec_Configurable_querySupportedParams; # apex
+    ApexCodec_Configurable_querySupportedValues; # apex
+    ApexCodec_GetComponentStore; # apex
+    ApexCodec_ParamDescriptors_getDescriptor; # apex
+    ApexCodec_ParamDescriptors_getIndices; # apex
+    ApexCodec_ParamDescriptors_release; # apex
+    ApexCodec_SettingResults_getResultAtIndex; # apex
+    ApexCodec_SettingResults_release; # apex
+    ApexCodec_SupportedValues_getTypeAndValues; # apex
+    ApexCodec_SupportedValues_release; # apex
+    ApexCodec_Traits_get; # apex
+
+  local:
+    *;
+};
\ No newline at end of file
diff --git a/media/module/libapexcodecs/tests/Android.bp b/media/module/libapexcodecs/tests/Android.bp
new file mode 100644
index 0000000..162d12c
--- /dev/null
+++ b/media/module/libapexcodecs/tests/Android.bp
@@ -0,0 +1,30 @@
+//
+// Copyright (C) 2024 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 {
+    default_team: "trendy_team_android_media_codec_framework",
+    default_applicable_licenses: ["frameworks_av_license"],
+}
+
+cc_test {
+    name: "libapexcodecs_tests",
+    shared_libs: [
+        "libapexcodecs-testing",
+        "libcodec2",
+    ],
+
+    srcs: ["ApexCodecsTest.cpp"],
+}
diff --git a/media/module/libapexcodecs/tests/ApexCodecsTest.cpp b/media/module/libapexcodecs/tests/ApexCodecsTest.cpp
new file mode 100644
index 0000000..cd5ebba
--- /dev/null
+++ b/media/module/libapexcodecs/tests/ApexCodecsTest.cpp
@@ -0,0 +1,100 @@
+#include <C2.h>
+#include <C2Component.h>
+
+#include <apex/ApexCodecs.h>
+
+// static_asserts for enum values match
+static_assert((uint32_t)APEXCODEC_STATUS_OK        == (uint32_t)C2_OK);
+static_assert((uint32_t)APEXCODEC_STATUS_BAD_VALUE == (uint32_t)C2_BAD_VALUE);
+static_assert((uint32_t)APEXCODEC_STATUS_BAD_INDEX == (uint32_t)C2_BAD_INDEX);
+static_assert((uint32_t)APEXCODEC_STATUS_CANNOT_DO == (uint32_t)C2_CANNOT_DO);
+static_assert((uint32_t)APEXCODEC_STATUS_DUPLICATE == (uint32_t)C2_DUPLICATE);
+static_assert((uint32_t)APEXCODEC_STATUS_NOT_FOUND == (uint32_t)C2_NOT_FOUND);
+static_assert((uint32_t)APEXCODEC_STATUS_BAD_STATE == (uint32_t)C2_BAD_STATE);
+static_assert((uint32_t)APEXCODEC_STATUS_BLOCKING  == (uint32_t)C2_BLOCKING);
+static_assert((uint32_t)APEXCODEC_STATUS_CANCELED  == (uint32_t)C2_CANCELED);
+static_assert((uint32_t)APEXCODEC_STATUS_NO_MEMORY == (uint32_t)C2_NO_MEMORY);
+static_assert((uint32_t)APEXCODEC_STATUS_REFUSED   == (uint32_t)C2_REFUSED);
+static_assert((uint32_t)APEXCODEC_STATUS_TIMED_OUT == (uint32_t)C2_TIMED_OUT);
+static_assert((uint32_t)APEXCODEC_STATUS_OMITTED   == (uint32_t)C2_OMITTED);
+static_assert((uint32_t)APEXCODEC_STATUS_CORRUPTED == (uint32_t)C2_CORRUPTED);
+static_assert((uint32_t)APEXCODEC_STATUS_NO_INIT   == (uint32_t)C2_NO_INIT);
+
+static_assert((uint32_t)APEXCODEC_KIND_OTHER   == (uint32_t)C2Component::KIND_OTHER);
+static_assert((uint32_t)APEXCODEC_KIND_DECODER == (uint32_t)C2Component::KIND_DECODER);
+static_assert((uint32_t)APEXCODEC_KIND_ENCODER == (uint32_t)C2Component::KIND_ENCODER);
+
+static_assert((uint32_t)APEXCODEC_DOMAIN_OTHER == (uint32_t)C2Component::DOMAIN_OTHER);
+static_assert((uint32_t)APEXCODEC_DOMAIN_VIDEO == (uint32_t)C2Component::DOMAIN_VIDEO);
+static_assert((uint32_t)APEXCODEC_DOMAIN_AUDIO == (uint32_t)C2Component::DOMAIN_AUDIO);
+static_assert((uint32_t)APEXCODEC_DOMAIN_IMAGE == (uint32_t)C2Component::DOMAIN_IMAGE);
+
+static_assert((uint32_t)APEXCODEC_FLAG_DROP_FRAME    == (uint32_t)C2FrameData::FLAG_DROP_FRAME);
+static_assert((uint32_t)APEXCODEC_FLAG_END_OF_STREAM == (uint32_t)C2FrameData::FLAG_END_OF_STREAM);
+static_assert((uint32_t)APEXCODEC_FLAG_DISCARD_FRAME == (uint32_t)C2FrameData::FLAG_DISCARD_FRAME);
+static_assert((uint32_t)APEXCODEC_FLAG_INCOMPLETE    == (uint32_t)C2FrameData::FLAG_INCOMPLETE);
+static_assert((uint32_t)APEXCODEC_FLAG_CORRECTED     == (uint32_t)C2FrameData::FLAG_CORRECTED);
+static_assert((uint32_t)APEXCODEC_FLAG_CORRUPT       == (uint32_t)C2FrameData::FLAG_CORRUPT);
+static_assert((uint32_t)APEXCODEC_FLAG_CODEC_CONFIG  == (uint32_t)C2FrameData::FLAG_CODEC_CONFIG);
+
+static_assert((uint32_t)APEXCODEC_BUFFER_TYPE_INVALID        ==
+              (uint32_t)C2BufferData::INVALID);
+static_assert((uint32_t)APEXCODEC_BUFFER_TYPE_LINEAR         ==
+              (uint32_t)C2BufferData::LINEAR);
+static_assert((uint32_t)APEXCODEC_BUFFER_TYPE_LINEAR_CHUNKS  ==
+              (uint32_t)C2BufferData::LINEAR_CHUNKS);
+static_assert((uint32_t)APEXCODEC_BUFFER_TYPE_GRAPHIC        ==
+              (uint32_t)C2BufferData::GRAPHIC);
+static_assert((uint32_t)APEXCODEC_BUFFER_TYPE_GRAPHIC_CHUNKS ==
+              (uint32_t)C2BufferData::GRAPHIC_CHUNKS);
+
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_QUERY_CURRENT  ==
+              (uint32_t)C2FieldSupportedValuesQuery::CURRENT);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_QUERY_POSSIBLE ==
+              (uint32_t)C2FieldSupportedValuesQuery::POSSIBLE);
+
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_EMPTY  ==
+              (uint32_t)C2FieldSupportedValues::EMPTY);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_RANGE  ==
+              (uint32_t)C2FieldSupportedValues::RANGE);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_VALUES ==
+              (uint32_t)C2FieldSupportedValues::VALUES);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_FLAGS  ==
+              (uint32_t)C2FieldSupportedValues::FLAGS);
+
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_TYPE_NONE   == (uint32_t)C2Value::NO_INIT);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_TYPE_INT32  == (uint32_t)C2Value::INT32);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_TYPE_UINT32 == (uint32_t)C2Value::UINT32);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_TYPE_INT64  == (uint32_t)C2Value::INT64);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_TYPE_UINT64 == (uint32_t)C2Value::UINT64);
+static_assert((uint32_t)APEXCODEC_SUPPORTED_VALUES_TYPE_FLOAT  == (uint32_t)C2Value::FLOAT);
+
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_BAD_TYPE       ==
+              (uint32_t)C2SettingResult::BAD_TYPE);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_BAD_PORT       ==
+              (uint32_t)C2SettingResult::BAD_PORT);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_BAD_INDEX      ==
+              (uint32_t)C2SettingResult::BAD_INDEX);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_READ_ONLY      ==
+              (uint32_t)C2SettingResult::READ_ONLY);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_MISMATCH       ==
+              (uint32_t)C2SettingResult::MISMATCH);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_BAD_VALUE      ==
+              (uint32_t)C2SettingResult::BAD_VALUE);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_CONFLICT       ==
+              (uint32_t)C2SettingResult::CONFLICT);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_UNSUPPORTED    ==
+              (uint32_t)C2SettingResult::UNSUPPORTED);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_INFO_BAD_VALUE ==
+              (uint32_t)C2SettingResult::INFO_BAD_VALUE);
+static_assert((uint32_t)APEXCODEC_SETTING_RESULT_INFO_CONFLICT  ==
+              (uint32_t)C2SettingResult::INFO_CONFLICT);
+
+static_assert((uint32_t)APEXCODEC_PARAM_IS_REQUIRED   == (uint32_t)C2ParamDescriptor::IS_REQUIRED);
+static_assert((uint32_t)APEXCODEC_PARAM_IS_PERSISTENT ==
+              (uint32_t)C2ParamDescriptor::IS_PERSISTENT);
+static_assert((uint32_t)APEXCODEC_PARAM_IS_STRICT     == (uint32_t)C2ParamDescriptor::IS_STRICT);
+static_assert((uint32_t)APEXCODEC_PARAM_IS_READ_ONLY  == (uint32_t)C2ParamDescriptor::IS_READ_ONLY);
+static_assert((uint32_t)APEXCODEC_PARAM_IS_HIDDEN     == (uint32_t)C2ParamDescriptor::IS_HIDDEN);
+static_assert((uint32_t)APEXCODEC_PARAM_IS_INTERNAL   == (uint32_t)C2ParamDescriptor::IS_INTERNAL);
+static_assert((uint32_t)APEXCODEC_PARAM_IS_CONST      == (uint32_t)C2ParamDescriptor::IS_CONST);
\ No newline at end of file