Move EventWrapper class to target video_coding_legacy.
And remove some unneeded logic for WEBRTC_EVENT_INFINITE.
Bug: webrtc:3380
Change-Id: Ibf632493edc6ced1609bd9ced44c2020fe9878cf
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/169846
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30700}
diff --git a/modules/video_coding/event_wrapper.h b/modules/video_coding/event_wrapper.h
new file mode 100644
index 0000000..77ca7b5
--- /dev/null
+++ b/modules/video_coding/event_wrapper.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2011 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.
+ */
+
+#ifndef MODULES_VIDEO_CODING_EVENT_WRAPPER_H_
+#define MODULES_VIDEO_CODING_EVENT_WRAPPER_H_
+
+namespace webrtc {
+enum EventTypeWrapper { kEventSignaled = 1, kEventTimeout = 2 };
+
+class EventWrapper {
+ public:
+ // Factory method. Constructor disabled.
+ static EventWrapper* Create();
+
+ virtual ~EventWrapper() {}
+
+ // Releases threads who are calling Wait() and has started waiting. Please
+ // note that a thread calling Wait() will not start waiting immediately.
+ // assumptions to the contrary is a very common source of issues in
+ // multithreaded programming.
+ // Set is sticky in the sense that it will release at least one thread
+ // either immediately or some time in the future.
+ virtual bool Set() = 0;
+
+ // Puts the calling thread into a wait state. The thread may be released
+ // by a Set() call depending on if other threads are waiting and if so on
+ // timing. The thread that was released will reset the event before leaving
+ // preventing more threads from being released. If multiple threads
+ // are waiting for the same Set(), only one (random) thread is guaranteed to
+ // be released. It is possible that multiple (random) threads are released
+ // Depending on timing.
+ //
+ // |max_time_ms| is the maximum time to wait in milliseconds.
+ virtual EventTypeWrapper Wait(int max_time_ms) = 0;
+};
+
+} // namespace webrtc
+
+#endif // MODULES_VIDEO_CODING_EVENT_WRAPPER_H_