Add content type information to encoded images and corresponding rtp extension header

webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.cc

 /*
  *  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 310 matching lines @@
                         input_image.video_frame_buffer()->StrideV(),
                         src_width, src_height,
                         dst_buffer->MutableDataY(), dst_buffer->StrideY(),
                         dst_buffer->MutableDataU(), dst_buffer->StrideU(),
                         dst_buffer->MutableDataV(), dst_buffer->StrideV(),
                         dst_width, dst_height,
                         libyuv::kFilterBilinear);
 
       int ret = streaminfos_[stream_idx].encoder->Encode(
           VideoFrame(dst_buffer, input_image.timestamp(),
-                     input_image.render_time_ms(), webrtc::kVideoRotation_0),
+                     input_image.render_time_ms(), webrtc::kVideoRotation_0,
+                     webrtc::kVideoContent_Default),
           codec_specific_info, &stream_frame_types);
       if (ret != WEBRTC_VIDEO_CODEC_OK) {
         return ret;
       }
     }
   }
 
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
@@ skipping 129 matching lines @@
   if (!Initialized() || NumberOfStreams(codec_) != 1)
     return VideoEncoder::ScalingSettings(false);
   return streaminfos_[0].encoder->GetScalingSettings();
 }
 
 const char* SimulcastEncoderAdapter::ImplementationName() const {
   return implementation_name_.c_str();
 }
 
 }  // namespace webrtc