New VideoEngine API implementation on top of old one, first steps.

BUG=1668
R=mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1360004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4044 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_engine/test/common/video_renderer.cc b/video_engine/test/common/video_renderer.cc
new file mode 100644
index 0000000..bc53fa7
--- /dev/null
+++ b/video_engine/test/common/video_renderer.cc
@@ -0,0 +1,63 @@
+/*
+ *  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/video_engine/test/common/video_renderer.h"
+
+#include "webrtc/modules/video_capture/include/video_capture_factory.h"
+#include "webrtc/video_engine/new_include/video_send_stream.h"
+
+#ifdef WEBRTC_TEST_XV
+#include "webrtc/video_engine/test/common/linux/xv_renderer.h"
+#endif  // WEBRTC_TEST_XV
+
+// Platform-specific renderers preferred over NullRenderer
+#ifdef WEBRTC_TEST_GLX
+#include "webrtc/video_engine/test/common/linux/glx_renderer.h"
+#endif  // WEBRTC_TEST_GLX
+
+// TODO(pbos): Mac renderer
+// TODO(pbos): Windows renderer
+// TODO(pbos): Android renderer
+
+namespace webrtc {
+namespace test {
+
+class NullRenderer : public VideoRenderer {
+  virtual void RenderFrame(const I420VideoFrame& video_frame,
+                           int time_to_render_ms) OVERRIDE {}
+};
+
+VideoRenderer* VideoRenderer::Create(const char* window_title) {
+  // TODO(pbos): Get these from command-line parameters.
+  int width = 640;
+  int height = 480;
+
+#ifdef WEBRTC_TEST_XV
+  XvRenderer* xv_renderer = XvRenderer::Create(window_title, width, height);
+  if (xv_renderer != NULL) {
+    return xv_renderer;
+  }
+#endif  // WEBRTC_TEST_XV
+#ifdef WEBRTC_TEST_GLX
+  GlxRenderer* glx_renderer = GlxRenderer::Create(window_title, width, height);
+  if (glx_renderer != NULL) {
+    return glx_renderer;
+  }
+#endif  // WEBRTC_TEST_GLX
+
+  // Avoid initialized-but-not-referenced errors when only building a
+  // NullRenderer
+  (void) width;
+  (void) height;
+
+  return new NullRenderer();
+}
+}  // test
+}  // webrtc