Implement timing frames.

webrtc/modules/video_coding/generic_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_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_
 #define WEBRTC_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_
 
 #include <stdio.h>
+#include <map>
 #include <vector>
 
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/race_checker.h"
 
 namespace webrtc {
 
@@ skipping 12 matching lines @@
  public:
   VCMEncodedFrameCallback(EncodedImageCallback* post_encode_callback,
                           media_optimization::MediaOptimization* media_opt);
   virtual ~VCMEncodedFrameCallback();
 
   // Implements EncodedImageCallback.
   EncodedImageCallback::Result OnEncodedImage(
       const EncodedImage& encoded_image,
       const CodecSpecificInfo* codec_specific_info,
       const RTPFragmentationHeader* fragmentation) override;
+
   void SetInternalSource(bool internal_source) {
     internal_source_ = internal_source;
   }
 
+  // Timing frames configuration methods. These 4 should be called before
+  // |OnEncodedImage| at least once.
+  void OnTargetBitrateChanged(size_t bitrate_bytes_per_sec,
+                              size_t simulcast_svc_idx);
+
+  void OnFrameRateChanged(size_t framerate);
+
+  void OnEncodeStarted(int64_t capture_time_ms, size_t simulcast_svc_idx);
+
+  void SetTimingFramesThresholds(
+      const VideoCodec::TimingFrameTriggerThresholds& thresholds) {
+    rtc::CritScope crit(&timing_params_lock_);
+    timing_frames_thresholds_ = thresholds;
+  }
+
  private:
+  rtc::CriticalSection timing_params_lock_;
   bool internal_source_;
   EncodedImageCallback* const post_encode_callback_;
   media_optimization::MediaOptimization* const media_opt_;
+
+  struct TimingFramesLayerInfo {
+    size_t target_bitrate_bytes_per_sec = 0;
+    std::map<int64_t, int64_t> encode_start_time_ms;
+  };
+  // Separate instance for each simulcast stream or spatial layer.
+  std::vector<TimingFramesLayerInfo> timing_frames_info_
+      GUARDED_BY(timing_params_lock_);
+  size_t framerate_ GUARDED_BY(timing_params_lock_);
+  int64_t last_timing_frame_time_ms_ GUARDED_BY(timing_params_lock_);
+  VideoCodec::TimingFrameTriggerThresholds timing_frames_thresholds_
+      GUARDED_BY(timing_params_lock_);
 };
 
 class VCMGenericEncoder {
   friend class VCMCodecDataBase;
 
  public:
   VCMGenericEncoder(VideoEncoder* encoder,
                     VCMEncodedFrameCallback* encoded_frame_callback,
                     bool internal_source);
   ~VCMGenericEncoder();
@@ skipping 16 matching lines @@
 
  private:
   rtc::RaceChecker race_checker_;
 
   VideoEncoder* const encoder_ GUARDED_BY(race_checker_);
   VCMEncodedFrameCallback* const vcm_encoded_frame_callback_;
   const bool internal_source_;
   rtc::CriticalSection params_lock_;
   EncoderParameters encoder_params_ GUARDED_BY(params_lock_);
   bool is_screenshare_;
+  size_t streams_or_svc_num_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_