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

webrtc/api/video/video_frame.cc

 /*
  *  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.
  */
 
 #include "webrtc/api/video/video_frame.h"
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/timeutils.h"
 
 namespace webrtc {
 
 VideoFrame::VideoFrame(const rtc::scoped_refptr<VideoFrameBuffer>& buffer,
                        webrtc::VideoRotation rotation,
+                       webrtc::VideoContentType content_type,
                        int64_t timestamp_us)
     : video_frame_buffer_(buffer),
       timestamp_rtp_(0),
       ntp_time_ms_(0),
       timestamp_us_(timestamp_us),
-      rotation_(rotation) {}
+      rotation_(rotation),
+      content_type_(content_type) {}
 
 VideoFrame::VideoFrame(const rtc::scoped_refptr<VideoFrameBuffer>& buffer,
                        uint32_t timestamp,
                        int64_t render_time_ms,
-                       VideoRotation rotation)
+                       VideoRotation rotation,
+                       VideoContentType content_type)
     : video_frame_buffer_(buffer),
       timestamp_rtp_(timestamp),
       ntp_time_ms_(0),
       timestamp_us_(render_time_ms * rtc::kNumMicrosecsPerMillisec),
-      rotation_(rotation) {
+      rotation_(rotation),
+      content_type_(content_type) {
   RTC_DCHECK(buffer);
 }
 
 VideoFrame::~VideoFrame() = default;
 
 VideoFrame::VideoFrame(const VideoFrame&) = default;
 VideoFrame::VideoFrame(VideoFrame&&) = default;
 VideoFrame& VideoFrame::operator=(const VideoFrame&) = default;
 VideoFrame& VideoFrame::operator=(VideoFrame&&) = default;
 
@@ skipping 11 matching lines @@
 
 rtc::scoped_refptr<VideoFrameBuffer> VideoFrame::video_frame_buffer() const {
   return video_frame_buffer_;
 }
 
 int64_t VideoFrame::render_time_ms() const {
   return timestamp_us() / rtc::kNumMicrosecsPerMillisec;
 }
 
 }  // namespace webrtc