François Gaffie | b469128 | 2018-07-09 13:07:32 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #pragma once |
| 18 | |
| 19 | #include "jni.h" |
| 20 | |
| 21 | #include <memory.h> |
| 22 | |
| 23 | #include <system/audio.h> |
| 24 | |
| 25 | namespace android { |
| 26 | |
| 27 | class JNIAudioAttributeHelper |
| 28 | { |
| 29 | public: |
George Burgess IV | 20d1896 | 2019-01-29 19:30:40 -0800 | [diff] [blame] | 30 | struct FreeDeleter { |
| 31 | void operator()(void *p) const { ::free(p); } |
| 32 | }; |
| 33 | |
| 34 | using UniqueAaPtr = std::unique_ptr<audio_attributes_t, FreeDeleter>; |
François Gaffie | b469128 | 2018-07-09 13:07:32 +0200 | [diff] [blame] | 35 | |
| 36 | /** |
| 37 | * @brief makeUnique helper to prevent leak |
| 38 | * @return a unique ptr of 0-initialized native audio attributes structure |
| 39 | */ |
| 40 | static UniqueAaPtr makeUnique(); |
| 41 | |
| 42 | /** |
| 43 | * @brief nativeFromJava Gets the underlying AudioAttributes from an AudioAttributes Java |
| 44 | * object. |
| 45 | * @param env |
| 46 | * @param jAudioAttributes JAVA AudioAttribute object |
| 47 | * @param paa native AudioAttribute pointer |
| 48 | * @return AUDIO_JAVA_SUCCESS on success, error code otherwise |
| 49 | */ |
| 50 | static jint nativeFromJava( |
| 51 | JNIEnv* env, jobject jAudioAttributes, audio_attributes_t *attributes); |
| 52 | |
| 53 | /** |
| 54 | * @brief nativeToJava AudioAttributes Java object from a native AudioAttributes. |
| 55 | * @param env |
| 56 | * @param jAudioAttributes JAVA AudioAttribute object |
| 57 | * @param attributes native AudioAttribute |
| 58 | * @return AUDIO_JAVA_SUCCESS on success, error code otherwise |
| 59 | */ |
| 60 | static jint nativeToJava( |
| 61 | JNIEnv* env, jobject *jAudioAttributes, const audio_attributes_t &attributes); |
| 62 | |
| 63 | /** |
| 64 | * @brief getJavaArray: creates an array of JAVA AudioAttributes objects |
| 65 | * @param env |
| 66 | * @param jAudioAttributeArray |
| 67 | * @param numAudioAttributes |
| 68 | * @return Array of AudioAttributes objects |
| 69 | */ |
| 70 | static jint getJavaArray( |
| 71 | JNIEnv* env, jobjectArray *jAudioAttributeArray, jint numAudioAttributes); |
| 72 | }; |
| 73 | |
| 74 | }; // namespace android |