| /* |
| * Copyright (C) 2018 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 "jni.h" |
| |
| #include <memory.h> |
| |
| #include <system/audio.h> |
| |
| namespace android { |
| |
| class JNIAudioAttributeHelper |
| { |
| public: |
| struct FreeDeleter { |
| void operator()(void *p) const { ::free(p); } |
| }; |
| |
| using UniqueAaPtr = std::unique_ptr<audio_attributes_t, FreeDeleter>; |
| |
| /** |
| * @brief makeUnique helper to prevent leak |
| * @return a unique ptr of 0-initialized native audio attributes structure |
| */ |
| static UniqueAaPtr makeUnique(); |
| |
| /** |
| * @brief nativeFromJava Gets the underlying AudioAttributes from an AudioAttributes Java |
| * object. |
| * @param env |
| * @param jAudioAttributes JAVA AudioAttribute object |
| * @param paa native AudioAttribute pointer |
| * @return AUDIO_JAVA_SUCCESS on success, error code otherwise |
| */ |
| static jint nativeFromJava( |
| JNIEnv* env, jobject jAudioAttributes, audio_attributes_t *attributes); |
| |
| /** |
| * @brief nativeToJava AudioAttributes Java object from a native AudioAttributes. |
| * @param env |
| * @param jAudioAttributes JAVA AudioAttribute object |
| * @param attributes native AudioAttribute |
| * @return AUDIO_JAVA_SUCCESS on success, error code otherwise |
| */ |
| static jint nativeToJava( |
| JNIEnv* env, jobject *jAudioAttributes, const audio_attributes_t &attributes); |
| |
| /** |
| * @brief getJavaArray: creates an array of JAVA AudioAttributes objects |
| * @param env |
| * @param jAudioAttributeArray |
| * @param numAudioAttributes |
| * @return Array of AudioAttributes objects |
| */ |
| static jint getJavaArray( |
| JNIEnv* env, jobjectArray *jAudioAttributeArray, jint numAudioAttributes); |
| }; |
| |
| }; // namespace android |