Add support for writing raw encoder output to .ivf files.

webrtc/video/vie_encoder.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.
  */
 
 #ifndef WEBRTC_VIDEO_VIE_ENCODER_H_
 #define WEBRTC_VIDEO_VIE_ENCODER_H_
 
 #include <memory>
 #include <vector>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/base/thread_annotations.h"
 #include "webrtc/common_types.h"
 #include "webrtc/frame_callback.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
+#include "webrtc/modules/video_coding/utility/ivf_file_writer.h"
 #include "webrtc/modules/video_processing/include/video_processing.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 class Config;
 class EncodedImageCallback;
 class OveruseFrameDetector;
 class PacedSender;
 class PayloadRouter;
@@ skipping 75 matching lines @@
   void RegisterPostEncodeImageCallback(
         EncodedImageCallback* post_encode_callback);
 
   int GetPaddingNeededBps() const;
 
   void OnBitrateUpdated(uint32_t bitrate_bps,
                         uint8_t fraction_lost,
                         int64_t round_trip_time_ms);
 
  private:
+  static const bool kEnableFrameRecording = false;
+  static const int kMaxLayers = 3;
+
   bool EncoderPaused() const EXCLUSIVE_LOCKS_REQUIRED(data_cs_);
   void TraceFrameDropStart() EXCLUSIVE_LOCKS_REQUIRED(data_cs_);
   void TraceFrameDropEnd() EXCLUSIVE_LOCKS_REQUIRED(data_cs_);
 
   const uint32_t number_of_cores_;
   const std::vector<uint32_t> ssrcs_;
 
   const std::unique_ptr<VideoProcessing> vp_;
   const std::unique_ptr<QMVideoSettingsCallback> qm_callback_;
   const std::unique_ptr<VideoCodingModule> vcm_;
@@ skipping 19 matching lines @@
   std::vector<int64_t> time_last_intra_request_ms_ GUARDED_BY(data_cs_);
 
   ProcessThread* module_process_thread_;
 
   bool has_received_sli_ GUARDED_BY(data_cs_);
   uint8_t picture_id_sli_ GUARDED_BY(data_cs_);
   bool has_received_rpsi_ GUARDED_BY(data_cs_);
   uint64_t picture_id_rpsi_ GUARDED_BY(data_cs_);
 
   bool video_suspended_ GUARDED_BY(data_cs_);
+
+  std::unique_ptr<IvfFileWriter> file_writers_[kMaxLayers];
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_VIE_ENCODER_H_