Add a new frame generator that cycles through randomly generated slides.

webrtc/test/frame_generator_capturer.h

 /*
  *  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.
  */
 #ifndef WEBRTC_TEST_FRAME_GENERATOR_CAPTURER_H_
@@ skipping 32 matching lines @@
   static FrameGeneratorCapturer* Create(int width,
                                         int height,
                                         int target_fps,
                                         Clock* clock);
 
   static FrameGeneratorCapturer* CreateFromYuvFile(const std::string& file_name,
                                                    size_t width,
                                                    size_t height,
                                                    int target_fps,
                                                    Clock* clock);
+
+  static FrameGeneratorCapturer* CreateSlideGenerator(int width,
+                                                      int height,
+                                                      int frame_repeat_count,
+                                                      int target_fps,
+                                                      Clock* clock);
   virtual ~FrameGeneratorCapturer();
 
   void Start() override;
   void Stop() override;
   void ChangeResolution(size_t width, size_t height);
 
   void SetSinkWantsObserver(SinkWantsObserver* observer);
 
   void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
                        const rtc::VideoSinkWants& wants) override;
@@ skipping 30 matching lines @@
 
   int64_t first_frame_capture_time_;
   // Must be the last field, so it will be deconstructed first as tasks
   // in the TaskQueue access other fields of the instance of this class.
   rtc::TaskQueue task_queue_;
 };
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_TEST_FRAME_GENERATOR_CAPTURER_H_