Parse FlexFEC RTP headers in Call and add integration with BWE.

webrtc/modules/rtp_rtcp/source/rtp_packet.h

 /*
  *  Copyright (c) 2016 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.
  */
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_PACKET_H_
@@ skipping 13 matching lines @@
 
 namespace rtp {
 class Packet {
  public:
   using ExtensionType = RTPExtensionType;
   using ExtensionManager = RtpHeaderExtensionMap;
   static constexpr size_t kMaxExtensionHeaders = 14;
 
   // Parse and copy given buffer into Packet.
   bool Parse(const uint8_t* buffer, size_t size);
+  bool Parse(rtc::ArrayView<const uint8_t> packet);
 
   // Parse and move given buffer into Packet.
   bool Parse(rtc::CopyOnWriteBuffer packet);
 
   // Maps parsed extensions to their types to allow use of GetExtension.
   // Used after parsing when |extensions| can't be provided until base rtp
   // header is parsed.
   void IdentifyExtensions(const ExtensionManager* extensions);
 
   // Header.
@@ skipping 147 matching lines @@
   uint16_t offset = 0;
   if (!AllocateExtension(Extension::kId, Extension::kValueSizeBytes, &offset))
     return false;
   memset(WriteAt(offset), 0, Extension::kValueSizeBytes);
   return true;
 }
 }  // namespace rtp
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_PACKET_H_