/* * Copyright 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. */ #include #include #include #include #include static const char *TAG = "MinimalOboeJNI"; #include #include // JNI functions are "C" calling convention #ifdef __cplusplus extern "C" { #endif using namespace oboe; // Use a static object so we don't have to worry about it getting deleted at the wrong time. static SimpleNoiseMaker sPlayer; /** * Native (JNI) implementation of AudioPlayer.startAudiostreamNative() */ JNIEXPORT jint JNICALL Java_com_example_minimaloboe_AudioPlayer_startAudioStreamNative( JNIEnv * /* env */, jobject) { __android_log_print(ANDROID_LOG_INFO, TAG, "%s", __func__); Result result = sPlayer.open(); if (result == Result::OK) { result = sPlayer.start(); } return (jint) result; } /** * Native (JNI) implementation of AudioPlayer.stopAudioStreamNative() */ JNIEXPORT jint JNICALL Java_com_example_minimaloboe_AudioPlayer_stopAudioStreamNative( JNIEnv * /* env */, jobject) { __android_log_print(ANDROID_LOG_INFO, TAG, "%s", __func__); // We need to close() even if the stop() fails because we need to delete the resources. Result result1 = sPlayer.stop(); Result result2 = sPlayer.close(); // Return first failure code. return (jint) ((result1 != Result::OK) ? result1 : result2); } #ifdef __cplusplus } #endif