Step #4: Run VideoProcessor integration test batch mode on task queue.

webrtc/modules/video_coding/codecs/test/videoprocessor.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 114 matching lines @@
 // packet loss in key non-first keyframes, which is why only the first is
 // excluded by default.
 // Packet loss in such important frames is handled on a higher level in the
 // Video Engine, where signaling would request a retransmit of the lost packets,
 // since they're so important.
 //
 // Note this class is not thread safe in any way and is meant for simple testing
 // purposes.
 class VideoProcessor {
  public:
-  virtual ~VideoProcessor() {}
+  virtual ~VideoProcessor() = default;
 
   // Performs initial calculations about frame size, sets up callbacks etc.
   // Returns false if an error has occurred, in addition to printing to stderr.
   virtual bool Init() = 0;
 
+  virtual void DeregisterCallbacks() = 0;
+
   // Processes a single frame. Returns true as long as there's more frames
   // available in the source clip.
   // Frame number must be an integer >= 0.
   virtual bool ProcessFrame(int frame_number) = 0;
 
   // Updates the encoder with the target bit rate and the frame rate.
   virtual void SetRates(int bit_rate, int frame_rate) = 0;
 
   // Return the size of the encoded frame in bytes. Dropped frames by the
   // encoder are regarded as zero size.
@@ skipping 14 matching lines @@
   VideoProcessorImpl(webrtc::VideoEncoder* encoder,
                      webrtc::VideoDecoder* decoder,
                      FrameReader* analysis_frame_reader,
                      FrameWriter* analysis_frame_writer,
                      PacketManipulator* packet_manipulator,
                      const TestConfig& config,
                      Stats* stats,
                      FrameWriter* source_frame_writer,
                      IvfFileWriter* encoded_frame_writer,
                      FrameWriter* decoded_frame_writer);
-  virtual ~VideoProcessorImpl();
+  ~VideoProcessorImpl() override;
   bool Init() override;
+  void DeregisterCallbacks() override;
   bool ProcessFrame(int frame_number) override;
 
  private:
   // Container that holds per-frame information that needs to be stored between
   // calls to Encode and Decode, as well as the corresponding callbacks. It is
   // not directly used for statistics -- for that, test::FrameStatistic is used.
   struct FrameInfo {
     FrameInfo()
         : timestamp(0),
           encode_start_ns(0),
@@ skipping 131 matching lines @@
   Stats* stats_;
   int num_dropped_frames_;
   int num_spatial_resizes_;
   double bit_rate_factor_;  // Multiply frame length with this to get bit rate.
 };
 
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_VIDEOPROCESSOR_H_