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

webrtc/test/frame_generator.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_H_
@@ skipping 71 matching lines @@
   // and then this will be repeated with the next file from the input set.
   static std::unique_ptr<FrameGenerator> CreateScrollingInputFromYuvFiles(
       Clock* clock,
       std::vector<std::string> filenames,
       size_t source_width,
       size_t source_height,
       size_t target_width,
       size_t target_height,
       int64_t scroll_time_ms,
       int64_t pause_time_ms);
+
+  // Creates a frame generator that produces randomly generated slides.
+  // frame_repeat_count determines how many times each slide is shown.
+  static std::unique_ptr<FrameGenerator> CreateSlideGenerator(
+      int width, int height, int frame_repeat_count);
 };
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_TEST_FRAME_GENERATOR_H_