Codec2Client: add support to ApexCodec (a9ee43d5) · Commits · e / devices / smdk4412 / android_frameworks_av

media/codec2/hal/client/Android.bp

+5 −1

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@ cc_library {

		header_libs: [
		"libcodec2_internal", // private
		"libapexcodecs-header",
		],

		shared_libs: [
		@@ -79,6 +80,10 @@ cc_library {
		"include",
		],

		export_header_lib_headers: [
		"libapexcodecs-header",
		],

		export_shared_lib_headers: [
		"android.hardware.media.c2@1.0",
		"android.hardware.media.c2@1.1",
		@@ -89,5 +94,4 @@ cc_library {
		"libcodec2_hidl_client@1.2",
		"libcodec2_vndk",
		],

		}

media/codec2/hal/client/ApexCodecsLazy.cpp

0 → 100644

+246 −0

Original line number	Diff line number	Diff line
		/*
		* 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 <mutex>

		#include <dlfcn.h>

		#include "log/log.h"

		#include <apex/ApexCodecs.h>

		// This file provides a lazy interface to libapexcodecs.so to address early boot dependencies.

		// Method pointers to libapexcodecs methods are held in an array which simplifies checking
		// all pointers are initialized.
		enum MethodIndex {
		k_ApexCodec_Component_create,
		k_ApexCodec_Component_destroy,
		k_ApexCodec_Component_flush,
		k_ApexCodec_Component_getConfigurable,
		k_ApexCodec_Component_process,
		k_ApexCodec_Component_start,
		k_ApexCodec_Component_reset,
		k_ApexCodec_Configurable_config,
		k_ApexCodec_Configurable_query,
		k_ApexCodec_Configurable_querySupportedParams,
		k_ApexCodec_Configurable_querySupportedValues,
		k_ApexCodec_GetComponentStore,
		k_ApexCodec_ParamDescriptors_getDescriptor,
		k_ApexCodec_ParamDescriptors_getIndices,
		k_ApexCodec_ParamDescriptors_release,
		k_ApexCodec_SettingResults_getResultAtIndex,
		k_ApexCodec_SettingResults_release,
		k_ApexCodec_SupportedValues_getTypeAndValues,
		k_ApexCodec_SupportedValues_release,
		k_ApexCodec_Traits_get,

		// Marker for count of methods
		k_MethodCount
		};

		// Table of methods pointers in libapexcodecs APIs.
		static void* g_Methods[k_MethodCount];

		static void* LoadLibapexcodecs(int dlopen_flags) {
		return dlopen("libapexcodecs.so", dlopen_flags);
		}

		// Initialization and symbol binding.

		static void BindSymbol(void* handle, const char* name, enum MethodIndex index) {
		void* symbol = dlsym(handle, name);
		LOG_ALWAYS_FATAL_IF(symbol == nullptr, "Failed to find symbol '%s' in libapexcodecs.so: %s",
		name, dlerror());
		g_Methods[index] = symbol;
		}

		static void InitializeOnce() {
		void* handle = LoadLibstatssocket(RTLD_NOW);
		LOG_ALWAYS_FATAL_IF(handle == nullptr, "Failed to load libapexcodecs.so: %s", dlerror());

		#undef BIND_SYMBOL
		#define BIND_SYMBOL(name) BindSymbol(handle, #name, k_##name);
		BIND_SYMBOL(ApexCodec_Component_create);
		BIND_SYMBOL(ApexCodec_Component_destroy);
		BIND_SYMBOL(ApexCodec_Component_flush);
		BIND_SYMBOL(ApexCodec_Component_getConfigurable);
		BIND_SYMBOL(ApexCodec_Component_process);
		BIND_SYMBOL(ApexCodec_Component_start);
		BIND_SYMBOL(ApexCodec_Component_reset);
		BIND_SYMBOL(ApexCodec_Configurable_config);
		BIND_SYMBOL(ApexCodec_Configurable_query);
		BIND_SYMBOL(ApexCodec_Configurable_querySupportedParams);
		BIND_SYMBOL(ApexCodec_Configurable_querySupportedValues);
		BIND_SYMBOL(ApexCodec_GetComponentStore);
		BIND_SYMBOL(ApexCodec_ParamDescriptors_getDescriptor);
		BIND_SYMBOL(ApexCodec_ParamDescriptors_getIndices);
		BIND_SYMBOL(ApexCodec_ParamDescriptors_release);
		BIND_SYMBOL(ApexCodec_SettingResults_getResultAtIndex);
		BIND_SYMBOL(ApexCodec_SettingResults_release);
		BIND_SYMBOL(ApexCodec_SupportedValues_getTypeAndValues);
		BIND_SYMBOL(ApexCodec_SupportedValues_release);
		BIND_SYMBOL(ApexCodec_Traits_get);
		#undef BIND_SYMBOL

		// Check every symbol is bound.
		for (int i = 0; i < k_MethodCount; ++i) {
		LOG_ALWAYS_FATAL_IF(g_Methods[i] == nullptr,
		"Uninitialized method in libapexcodecs_lazy at index: %d", i);
		}
		}

		static void EnsureInitialized() {
		static std::once_flag initialize_flag;
		std::call_once(initialize_flag, InitializeOnce);
		}

		#define INVOKE_METHOD(name, args...) \
		do { \
		EnsureInitialized(); \
		void* method = g_Methods[k_##name]; \
		return reinterpret_cast<decltype(&name)>(method)(args); \
		} while (0)

		//
		// Forwarding for methods in ApexCodecs.h.
		//

		ApexCodec_ComponentStore *ApexCodec_GetComponentStore() {
		INVOKE_METHOD(ApexCodec_GetComponentStore);
		}

		ApexCodec_ComponentTraits *ApexCodec_Traits_get(
		ApexCodec_ComponentStore *store, size_t index) {
		INVOKE_METHOD(ApexCodec_Traits_get, store, index);
		}

		ApexCodec_Status ApexCodec_Component_create(
		ApexCodec_ComponentStore store, const char name, ApexCodec_Component **comp) {
		INVOKE_METHOD(ApexCodec_Component_create, store, name, comp);
		}

		void ApexCodec_Component_destroy(ApexCodec_Component *comp) {
		INVOKE_METHOD(ApexCodec_Component_destroy, comp);
		}

		ApexCodec_Status ApexCodec_Component_start(ApexCodec_Component *comp) {
		INVOKE_METHOD(ApexCodec_Component_start, comp);
		}

		ApexCodec_Status ApexCodec_Component_flush(ApexCodec_Component *comp) {
		INVOKE_METHOD(ApexCodec_Component_flush, comp);
		}

		ApexCodec_Status ApexCodec_Component_reset(ApexCodec_Component *comp) {
		INVOKE_METHOD(ApexCodec_Component_reset, comp);
		}

		ApexCodec_Configurable *ApexCodec_Component_getConfigurable(
		ApexCodec_Component *comp) {
		INVOKE_METHOD(ApexCodec_Component_getConfigurable, comp);
		}

		ApexCodec_Status ApexCodec_SupportedValues_getTypeAndValues(
		ApexCodec_SupportedValues *supportedValues,
		ApexCodec_SupportedValuesType *type,
		ApexCodec_SupportedValuesNumberType *numberType,
		ApexCodec_Value **values,
		uint32_t *numValues) {
		INVOKE_METHOD(ApexCodec_SupportedValues_getTypeAndValues,
		supportedValues, type, numberType, values, numValues);
		}

		void ApexCodec_SupportedValues_release(ApexCodec_SupportedValues *values) {
		INVOKE_METHOD(ApexCodec_SupportedValues_release, values);
		}

		ApexCodec_Status ApexCodec_SettingResults_getResultAtIndex(
		ApexCodec_SettingResults *results,
		size_t index,
		ApexCodec_SettingResultFailure *failure,
		ApexCodec_ParamFieldValues *field,
		ApexCodec_ParamFieldValues **conflicts,
		size_t *numConflicts) {
		INVOKE_METHOD(ApexCodec_SettingResults_getResultAtIndex,
		results, index, failure, field, conflicts, numConflicts);
		}

		void ApexCodec_SettingResults_release(ApexCodec_SettingResults *results) {
		INVOKE_METHOD(ApexCodec_SettingResults_release, results);
		}

		ApexCodec_Status ApexCodec_Component_process(
		ApexCodec_Component *comp,
		const ApexCodec_Buffer *input,
		ApexCodec_Buffer *output,
		size_t *consumed,
		size_t *produced) {
		INVOKE_METHOD(ApexCodec_Component_process, comp, input, output, consumed, produced);
		}

		ApexCodec_Status ApexCodec_Configurable_config(
		ApexCodec_Configurable *comp,
		ApexCodec_LinearBuffer *config,
		ApexCodec_SettingResults **results) {
		INVOKE_METHOD(ApexCodec_Configurable_config, comp, config, results);
		}

		ApexCodec_Status ApexCodec_Configurable_query(
		ApexCodec_Configurable *comp,
		uint32_t indices[],
		size_t numIndices,
		ApexCodec_LinearBuffer *config,
		size_t *writtenOrRequested) {
		INVOKE_METHOD(ApexCodec_Configurable_query,
		comp, indices, numIndices, config, writtenOrRequested);
		}

		ApexCodec_Status ApexCodec_ParamDescriptors_getIndices(
		ApexCodec_ParamDescriptors *descriptors,
		uint32_t **indices,
		size_t *numIndices) {
		INVOKE_METHOD(ApexCodec_ParamDescriptors_getIndices, descriptors, indices, numIndices);
		}

		ApexCodec_Status ApexCodec_ParamDescriptors_getDescriptor(
		ApexCodec_ParamDescriptors *descriptors,
		uint32_t index,
		ApexCodec_ParamAttribute *attr,
		const char **name,
		uint32_t **dependencies,
		size_t *numDependencies) {
		INVOKE_METHOD(ApexCodec_ParamDescriptors_getDescriptor,
		descriptors, index, attr, name, dependencies, numDependencies);
		}

		ApexCodec_Status ApexCodec_ParamDescriptors_release(
		ApexCodec_ParamDescriptors *descriptors) {
		INVOKE_METHOD(ApexCodec_ParamDescriptors_release, descriptors);
		}

		ApexCodec_Status ApexCodec_Configurable_querySupportedParams(
		ApexCodec_Configurable *comp,
		ApexCodec_ParamDescriptors **descriptors) {
		INVOKE_METHOD(ApexCodec_Configurable_querySupportedParams, comp, descriptors);
		}

		ApexCodec_Status ApexCodec_Configurable_querySupportedValues(
		ApexCodec_Configurable *comp,
		ApexCodec_SupportedValuesQuery *queries,
		size_t numQueries) {
		INVOKE_METHOD(ApexCodec_Configurable_querySupportedValues, comp, queries, numQueries);
		}
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