cast: Support for low-latency interactive mode

media/capture/content/thread_safe_capture_oracle.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MEDIA_CAPTURE_THREAD_SAFE_CAPTURE_ORACLE_H_
-#define MEDIA_CAPTURE_THREAD_SAFE_CAPTURE_ORACLE_H_
+#ifndef MEDIA_CAPTURE_CONTENT_THREAD_SAFE_CAPTURE_ORACLE_H_
+#define MEDIA_CAPTURE_CONTENT_THREAD_SAFE_CAPTURE_ORACLE_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/base/media_export.h"
 #include "media/base/video_frame.h"
 #include "media/capture/content/video_capture_oracle.h"
 #include "media/capture/video/video_capture_device.h"
 
@@ skipping 28 matching lines @@
   bool ObserveEventAndDecideCapture(VideoCaptureOracle::Event event,
                                     const gfx::Rect& damage_rect,
                                     base::TimeTicks event_time,
                                     scoped_refptr<VideoFrame>* storage,
                                     CaptureFrameCallback* callback);
 
   base::TimeDelta min_capture_period() const {
     return oracle_.min_capture_period();
   }
 
+  bool IsAnimationActive() const { return oracle_.IsAnimationActive(); }
+
   gfx::Size max_frame_size() const {
     return params_.requested_format.frame_size;
   }
 
   // Returns the current capture resolution.
   gfx::Size GetCaptureSize() const;
 
   // Updates capture resolution based on the supplied source size and the
   // maximum frame size.
   void UpdateCaptureSize(const gfx::Size& source_size);
@@ skipping 31 matching lines @@
 
   // Makes the decision to capture a frame.
   VideoCaptureOracle oracle_;
 
   // The video capture parameters used to construct the oracle proxy.
   const VideoCaptureParams params_;
 };
 
 }  // namespace media
 
-#endif  // MEDIA_CAPTURE_THREAD_SAFE_CAPTURE_ORACLE_H_
+#endif  // MEDIA_CAPTURE_CONTENT_THREAD_SAFE_CAPTURE_ORACLE_H_