Add support for handling reordered SS data on the receive-side for VP9.

webrtc/modules/video_coding/main/source/session_info.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.
  */
 
@@ skipping 96 matching lines @@
   }
 }
 
 bool VCMSessionInfo::NonReference() const {
   if (packets_.empty() ||
       packets_.front().codecSpecificHeader.codec != kRtpVideoVp8)
     return false;
   return packets_.front().codecSpecificHeader.codecHeader.VP8.nonReference;
 }
 
+void VCMSessionInfo::SetGofInfo(const GofInfoVP9& gof_info, size_t idx) {
+  if (packets_.empty() ||
+      packets_.front().codecSpecificHeader.codec != kRtpVideoVp9 ||
+      packets_.front().codecSpecificHeader.codecHeader.VP9.flexible_mode) {
+    return;

[stefan-webrtc, 2015/10/13 13:49:43]

Should we get here if flexible_mode is true? Otherwise maybe we should be
logging?

[åsapersson, 2015/10/14 15:13:51]

If switching between flexible and non-flexible mode i think it should be
possible to get here.

+  }
+  packets_.front().codecSpecificHeader.codecHeader.VP9.temporal_idx =
+      gof_info.temporal_idx[idx];
+  packets_.front().codecSpecificHeader.codecHeader.VP9.temporal_up_switch =
+      gof_info.temporal_up_switch[idx];
+  packets_.front().codecSpecificHeader.codecHeader.VP9.num_ref_pics =
+      gof_info.num_ref_pics[idx];
+  for (size_t i = 0; i < gof_info.num_ref_pics[idx]; ++i) {
+    packets_.front().codecSpecificHeader.codecHeader.VP9.pid_diff[i] =
+        gof_info.pid_diff[idx][i];
+  }
+}
+
 void VCMSessionInfo::Reset() {
   session_nack_ = false;
   complete_ = false;
   decodable_ = false;
   frame_type_ = kVideoFrameDelta;
   packets_.clear();
   empty_seq_num_low_ = -1;
   empty_seq_num_high_ = -1;
   first_packet_seq_num_ = -1;
   last_packet_seq_num_ = -1;
@@ skipping 426 matching lines @@
   if (empty_seq_num_high_ == -1)
     empty_seq_num_high_ = seq_num;
   else
     empty_seq_num_high_ = LatestSequenceNumber(seq_num, empty_seq_num_high_);
   if (empty_seq_num_low_ == -1 || IsNewerSequenceNumber(empty_seq_num_low_,
                                                         seq_num))
     empty_seq_num_low_ = seq_num;
 }
 
 }  // namespace webrtc