1 /* 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "webrtc/modules/audio_device/android/ensure_initialized.h" 12 13 #include <pthread.h> 14 15 // Note: this dependency is dangerous since it reaches into Chromium's base. 16 // There's a risk of e.g. macro clashes. This file may only be used in tests. 17 #include "base/android/context_utils.h" 18 #include "base/android/jni_android.h" 19 #include "webrtc/base/checks.h" 20 #include "webrtc/modules/audio_device/android/audio_record_jni.h" 21 #include "webrtc/modules/audio_device/android/audio_track_jni.h" 22 #include "webrtc/modules/utility/include/jvm_android.h" 23 24 namespace webrtc { 25 namespace audiodevicemodule { 26 27 static pthread_once_t g_initialize_once = PTHREAD_ONCE_INIT; 28 EnsureInitializedOnce()29void EnsureInitializedOnce() { 30 RTC_CHECK(::base::android::IsVMInitialized()); 31 JNIEnv* jni = ::base::android::AttachCurrentThread(); 32 JavaVM* jvm = NULL; 33 RTC_CHECK_EQ(0, jni->GetJavaVM(&jvm)); 34 jobject context = ::base::android::GetApplicationContext(); 35 36 // Initialize the Java environment (currently only used by the audio manager). 37 webrtc::JVM::Initialize(jvm, context); 38 } 39 EnsureInitialized()40void EnsureInitialized() { 41 RTC_CHECK_EQ(0, pthread_once(&g_initialize_once, &EnsureInitializedOnce)); 42 } 43 44 } // namespace audiodevicemodule 45 } // namespace webrtc 46