diff options
Diffstat (limited to 'third_party/libwebrtc/modules/audio_device/android/ensure_initialized.cc')
-rw-r--r-- | third_party/libwebrtc/modules/audio_device/android/ensure_initialized.cc | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_device/android/ensure_initialized.cc b/third_party/libwebrtc/modules/audio_device/android/ensure_initialized.cc new file mode 100644 index 0000000000..59e9c8f7a6 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_device/android/ensure_initialized.cc @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "modules/audio_device/android/ensure_initialized.h" + +#include <jni.h> +#include <pthread.h> +#include <stddef.h> + +#include "modules/utility/include/jvm_android.h" +#include "rtc_base/checks.h" +#include "sdk/android/src/jni/jvm.h" + +namespace webrtc { +namespace audiodevicemodule { + +static pthread_once_t g_initialize_once = PTHREAD_ONCE_INIT; + +void EnsureInitializedOnce() { + RTC_CHECK(::webrtc::jni::GetJVM() != nullptr); + + JNIEnv* jni = ::webrtc::jni::AttachCurrentThreadIfNeeded(); + JavaVM* jvm = NULL; + RTC_CHECK_EQ(0, jni->GetJavaVM(&jvm)); + + // Initialize the Java environment (currently only used by the audio manager). + webrtc::JVM::Initialize(jvm); +} + +void EnsureInitialized() { + RTC_CHECK_EQ(0, pthread_once(&g_initialize_once, &EnsureInitializedOnce)); +} + +} // namespace audiodevicemodule +} // namespace webrtc |