Add DesktopCapturer interface for desktop capturers.
The new DesktopCapturer interface will be used for screen and window
captures. Beside DesktopCapturer itself also added classes/interfaces
that it depends on.
R=alexeypa@chromium.org, tommi@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/1322007
git-svn-id: http://webrtc.googlecode.com/svn/trunk@3917 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/desktop_capture/shared_memory.cc b/webrtc/modules/desktop_capture/shared_memory.cc
new file mode 100644
index 0000000..872116e
--- /dev/null
+++ b/webrtc/modules/desktop_capture/shared_memory.cc
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2013 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 "webrtc/modules/desktop_capture/shared_memory.h"
+
+namespace webrtc {
+
+#if defined(WEBRTC_WIN)
+const SharedMemory::Handle SharedMemory::kInvalidHandle = NULL;
+#else
+const SharedMemory::Handle SharedMemory::kInvalidHandle = -1;
+#endif
+
+SharedMemory::SharedMemory(void* data, size_t size, Handle handle, int id)
+ : data_(data),
+ size_(size),
+ handle_(handle),
+ id_(id) {
+}
+
+} // namespace webrtc
