ObjC: Implement HW codecs in ObjC instead of C++

webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCVideoEncoderSettings.mm

 /*
  *  Copyright 2017 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.
  */
 
 #import "WebRTC/RTCVideoCodec.h"
 
 #import "NSString+StdString.h"
 #import "RTCVideoCodec+Private.h"
 #import "WebRTC/RTCVideoCodecFactory.h"
 
 @implementation RTCVideoEncoderSettings
 
 @synthesize name = _name;
 @synthesize width = _width;
 @synthesize height = _height;
 @synthesize startBitrate = _startBitrate;
 @synthesize maxBitrate = _maxBitrate;
 @synthesize minBitrate = _minBitrate;
 @synthesize targetBitrate = _targetBitrate;
 @synthesize maxFramerate = _maxFramerate;
 @synthesize qpMax = _qpMax;
+@synthesize mode = _mode;
 
 - (instancetype)initWithNativeVideoCodec:(const webrtc::VideoCodec *)videoCodec {
   if (self = [super init]) {
     if (videoCodec) {
       rtc::Optional<const char *> codecName = CodecTypeToPayloadName(videoCodec->codecType);
       if (codecName) {
         _name = [NSString stringWithUTF8String:codecName.value()];
       }
 
       _width = videoCodec->width;
       _height = videoCodec->height;
       _startBitrate = videoCodec->startBitrate;
       _maxBitrate = videoCodec->maxBitrate;
       _minBitrate = videoCodec->minBitrate;
       _targetBitrate = videoCodec->targetBitrate;
       _maxFramerate = videoCodec->maxFramerate;
       _qpMax = videoCodec->qpMax;
+      _mode = (RTCVideoCodecMode)videoCodec->mode;
     }
   }
 
   return self;
 }
 
-- (std::unique_ptr<webrtc::VideoCodec>)createNativeVideoEncoderSettings {
-  auto codecSettings = std::unique_ptr<webrtc::VideoCodec>(new webrtc::VideoCodec);
-
-  rtc::Optional<webrtc::VideoCodecType> codecType =
-      webrtc::PayloadNameToCodecType([NSString stdStringForString:_name]);
-  if (codecType) {
-    codecSettings->codecType = codecType.value();
-  }
-
-  codecSettings->width = _width;
-  codecSettings->height = _height;
-  codecSettings->startBitrate = _startBitrate;
-  codecSettings->maxBitrate = _maxBitrate;
-  codecSettings->minBitrate = _minBitrate;
-  codecSettings->targetBitrate = _targetBitrate;
-  codecSettings->maxFramerate = _maxFramerate;
-  codecSettings->qpMax = _qpMax;
-
-  return codecSettings;
-}
-
 @end