Move VideoEncoderSoftwareFallbackWrapper from webrtc/video_encoder.h to webrtc/media/engine/

webrtc/video_encoder.h

 /*
  *  Copyright (c) 2014 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 138 matching lines @@
   //
   // Return value                : WEBRTC_VIDEO_CODEC_OK if OK, < 0 otherwise.
   virtual int32_t SetRates(uint32_t bitrate, uint32_t framerate) = 0;
 
   virtual int32_t SetPeriodicKeyFrames(bool enable) { return -1; }
   virtual void OnDroppedFrame() {}
   virtual bool SupportsNativeHandle() const { return false; }
   virtual const char* ImplementationName() const { return "unknown"; }
 };
 
-// Class used to wrap external VideoEncoders to provide a fallback option on
-// software encoding when a hardware encoder fails to encode a stream due to
-// hardware restrictions, such as max resolution.
-class VideoEncoderSoftwareFallbackWrapper : public VideoEncoder {
- public:
-  VideoEncoderSoftwareFallbackWrapper(VideoCodecType codec_type,
-                                      webrtc::VideoEncoder* encoder);
-
-  int32_t InitEncode(const VideoCodec* codec_settings,
-                     int32_t number_of_cores,
-                     size_t max_payload_size) override;
-
-  int32_t RegisterEncodeCompleteCallback(
-      EncodedImageCallback* callback) override;
-
-  int32_t Release() override;
-  int32_t Encode(const VideoFrame& frame,
-                 const CodecSpecificInfo* codec_specific_info,
-                 const std::vector<FrameType>* frame_types) override;
-  int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) override;
-
-  int32_t SetRates(uint32_t bitrate, uint32_t framerate) override;
-  void OnDroppedFrame() override;
-  bool SupportsNativeHandle() const override;
-
- private:
-  bool InitFallbackEncoder();
-
-  // Settings used in the last InitEncode call and used if a dynamic fallback to
-  // software is required.
-  VideoCodec codec_settings_;
-  int32_t number_of_cores_;
-  size_t max_payload_size_;
-
-  // The last bitrate/framerate set, and a flag for noting they are set.
-  bool rates_set_;
-  uint32_t bitrate_;
-  uint32_t framerate_;
-
-  // The last channel parameters set, and a flag for noting they are set.
-  bool channel_parameters_set_;
-  uint32_t packet_loss_;
-  int64_t rtt_;
-
-  const EncoderType encoder_type_;
-  webrtc::VideoEncoder* const encoder_;
-
-  std::unique_ptr<webrtc::VideoEncoder> fallback_encoder_;
-  std::string fallback_implementation_name_;
-  EncodedImageCallback* callback_;
-};
 }  // namespace webrtc
 #endif  // WEBRTC_VIDEO_ENCODER_H_