Initialize VideoEncoder objects asynchronously.

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.
  */
 
@@ skipping 64 matching lines @@
   void SetNetworkTransmissionState(bool is_transmitting);
 
   // Returns the id of the owning channel.
   int Owner() const;
 
   // Drops incoming packets before they get to the encoder.
   void Pause();
   void Restart();
 
   // Codec settings.
-  int32_t RegisterExternalEncoder(VideoEncoder* encoder,
-                                  uint8_t pl_type,
-                                  bool internal_source);
-  int32_t DeRegisterExternalEncoder(uint8_t pl_type);
-  int32_t SetEncoder(const VideoCodec& video_codec);
+  void SetEncoder(const VideoCodec& video_codec);
 
   // Implementing VideoCaptureCallback.
   void DeliverFrame(VideoFrame video_frame) override;
 
   void SendKeyFrame();
 
   uint32_t LastObservedBitrateBps() const;
   int CodecTargetBitrate(uint32_t* bitrate) const;
   // Loss protection. Must be called before SetEncoder() to have max packet size
   // updated according to protection.
@@ skipping 22 matching lines @@
   void OnReceivedIntraFrameRequest(uint32_t ssrc) override;
   void OnReceivedSLI(uint32_t ssrc, uint8_t picture_id) override;
   void OnReceivedRPSI(uint32_t ssrc, uint64_t picture_id) override;
   void OnLocalSsrcChanged(uint32_t old_ssrc, uint32_t new_ssrc) override;
 
   // Sets SSRCs for all streams.
   void SetSsrcs(const std::vector<uint32_t>& ssrcs);
 
   void SetMinTransmitBitrate(int min_transmit_bitrate_kbps);
 
-  // Lets the sender suspend video when the rate drops below
-  // |threshold_bps|, and turns back on when the rate goes back up above
-  // |threshold_bps| + |window_bps|.
-  void SuspendBelowMinBitrate();
-
   // New-style callbacks, used by VideoSendStream.
   void RegisterPostEncodeImageCallback(
         EncodedImageCallback* post_encode_callback);
 
   int GetPaddingNeededBps() const;
+  VideoCodingModule* vcm() const;
 
  protected:
   // Called by BitrateObserver.
   void OnNetworkChanged(uint32_t bitrate_bps,
                         uint8_t fraction_lost,
                         int64_t round_trip_time_ms);
 
  private:
   bool EncoderPaused() const EXCLUSIVE_LOCKS_REQUIRED(data_cs_);
   void TraceFrameDropStart() EXCLUSIVE_LOCKS_REQUIRED(data_cs_);
@@ skipping 35 matching lines @@
   bool has_received_rpsi_ GUARDED_BY(data_cs_);
   uint64_t picture_id_rpsi_ GUARDED_BY(data_cs_);
   std::map<uint32_t, int> ssrc_streams_ GUARDED_BY(data_cs_);
 
   bool video_suspended_ GUARDED_BY(data_cs_);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_VIE_ENCODER_H_