1 files changed, 67 insertions, 0 deletions
diff --git a/talk/app/webrtc/videotrackrenderers.h b/talk/app/webrtc/videotrackrenderers.h
new file mode 100644
index 0000000000..15274a1530
--- /dev/null
+++ b/talk/app/webrtc/videotrackrenderers.h
@@ -0,0 +1,67 @@
+/*
+ * libjingle
+ * Copyright 2012 Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_
+#define TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_
+
+#include <set>
+
+#include "talk/app/webrtc/mediastreaminterface.h"
+#include "talk/media/base/videorenderer.h"
+#include "webrtc/base/criticalsection.h"
+#include "webrtc/base/scoped_ptr.h"
+
+namespace webrtc {
+
+// Class used for rendering cricket::VideoFrames to multiple renderers of type
+// VideoRendererInterface.
+// Each VideoTrack owns a VideoTrackRenderers instance.
+// The class is thread safe. Rendering to the added VideoRendererInterfaces is
+// done on the same thread as the cricket::VideoRenderer.
+class VideoTrackRenderers : public cricket::VideoRenderer {
+ public:
+  VideoTrackRenderers();
+  ~VideoTrackRenderers();
+
+  // Implements cricket::VideoRenderer
+  virtual bool SetSize(int width, int height, int reserved);
+  virtual bool RenderFrame(const cricket::VideoFrame* frame);
+
+  void AddRenderer(VideoRendererInterface* renderer);
+  void RemoveRenderer(VideoRendererInterface* renderer);
+  void SetEnabled(bool enable);
+
+ private:
+  bool enabled_;
+  std::set<VideoRendererInterface*> renderers_;
+
+  rtc::CriticalSection critical_section_;  // Protects the above variables
+};
+
+}  // namespace webrtc
+
+#endif  // TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_