WebRtcVideoFrame constructor without transport_frame_id.

webrtc/media/engine/webrtcvideoframe.h

 /*
  *  Copyright (c) 2011 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 23 matching lines @@
   // TODO(nisse): Deprecated. Using the default constructor violates the
   // reasonable assumption that video_frame_buffer() returns a valid buffer.
   WebRtcVideoFrame();
 
   // Preferred constructor.
   WebRtcVideoFrame(const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer,
                    webrtc::VideoRotation rotation,
                    int64_t timestamp_us,
                    uint32_t transport_frame_id);
 
+  // Alternative constructor, when not knowing or caring about the
+  // transport_frame_id. Which is set to zero.
+  WebRtcVideoFrame(const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer,
+                   webrtc::VideoRotation rotation,
+                   int64_t timestamp_us);
+
   // TODO(nisse): Deprecated, delete as soon as all callers have switched to the
   // above constructor with microsecond timestamp.
   WebRtcVideoFrame(const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer,
                    int64_t timestamp_ns,
                    webrtc::VideoRotation rotation);
 
   ~WebRtcVideoFrame();
 
   // Creates a frame from a raw sample with FourCC "format" and size "w" x "h".
   // "h" can be negative indicating a vertically flipped image.
@@ skipping 70 matching lines @@
   webrtc::VideoRotation rotation_;
 
   // This is mutable as the calculation is expensive but once calculated, it
   // remains const.
   mutable std::unique_ptr<VideoFrame> rotated_frame_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOFRAME_H_