diff options
Diffstat (limited to 'chromium/third_party/webrtc/modules/video_capture/ensure_initialized.cc')
-rw-r--r-- | chromium/third_party/webrtc/modules/video_capture/ensure_initialized.cc | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/modules/video_capture/ensure_initialized.cc b/chromium/third_party/webrtc/modules/video_capture/ensure_initialized.cc new file mode 100644 index 00000000000..65c9a8dbe7a --- /dev/null +++ b/chromium/third_party/webrtc/modules/video_capture/ensure_initialized.cc @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2014 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. + */ + +// Platform-specific initialization bits, if any, go here. + +#if !defined(ANDROID) || !defined(WEBRTC_CHROMIUM_BUILD) + +namespace webrtc { +namespace videocapturemodule { +void EnsureInitialized() {} +} // namespace videocapturemodule +} // namespace webrtc + +#else // !defined(ANDROID) || !defined(WEBRTC_CHROMIUM_BUILD) + +#include <assert.h> +#include <pthread.h> + +#include "base/android/jni_android.h" + +// Handy alternative to assert() which suppresses unused-variable warnings when +// assert() is a no-op (i.e. in Release builds). +#ifdef NDEBUG +#define ASSERT(x) if (false && (x)); else +#else +#define ASSERT(x) assert(x) +#endif + +namespace webrtc { + +// Declared in webrtc/modules/video_capture/include/video_capture.h. +int32_t SetCaptureAndroidVM(JavaVM* javaVM, jobject g_context); + +namespace videocapturemodule { + +static pthread_once_t g_initialize_once = PTHREAD_ONCE_INIT; + +void EnsureInitializedOnce() { + JNIEnv* jni = ::base::android::AttachCurrentThread(); + jobject context = ::base::android::GetApplicationContext(); + JavaVM* jvm = NULL; + int status = jni->GetJavaVM(&jvm); + ASSERT(status == 0); + status = webrtc::SetCaptureAndroidVM(jvm, context) == 0; + ASSERT(status); +} + +void EnsureInitialized() { + int ret = pthread_once(&g_initialize_once, &EnsureInitializedOnce); + ASSERT(ret == 0); +} + +} // namespace videocapturemodule +} // namespace webrtc + +#endif // ANDROID & WEBRTC_CHROMIUM_BUILD |