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-rw-r--r--chromium/third_party/webrtc/modules/video_capture/ensure_initialized.cc63
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
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index 00000000000..65c9a8dbe7a
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+++ 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