iOS HW H264 support.

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 19 matching lines @@
 
   // Callback function which is called when an image has been encoded.
   virtual int32_t Encoded(const EncodedImage& encoded_image,
                           const CodecSpecificInfo* codec_specific_info,
                           const RTPFragmentationHeader* fragmentation) = 0;
 };
 
 class VideoEncoder {
  public:
   enum EncoderType {
+    kH264,
     kVp8,
     kVp9,
     kUnsupportedCodec,
   };
 
   static VideoEncoder* Create(EncoderType codec_type);
 
   static VideoCodecVP8 GetDefaultVp8Settings();
   static VideoCodecVP9 GetDefaultVp9Settings();
   static VideoCodecH264 GetDefaultH264Settings();
@@ skipping 104 matching lines @@
 
  private:
   const EncoderType encoder_type_;
   webrtc::VideoEncoder* const encoder_;
 
   rtc::scoped_ptr<webrtc::VideoEncoder> fallback_encoder_;
   EncodedImageCallback* callback_;
 };
 }  // namespace webrtc
 #endif  // WEBRTC_VIDEO_ENCODER_H_