Merge "Merge upstream SHA 04cb763"android-cts_7.1_r1android-cts-7.1_r9android-cts-7.1_r8android-cts-7.1_r7android-cts-7.1_r6android-cts-7.1_r5android-cts-7.1_r4android-cts-7.1_r3android-cts-7.1_r29android-cts-7.1_r28android-cts-7.1_r27android-cts-7.1_r26android-cts-7.1_r25android-cts-7.1_r24android-cts-7.1_r23android-cts-7.1_r22android-cts-7.1_r21android-cts-7.1_r20android-cts-7.1_r2android-cts-7.1_r19android-cts-7.1_r18android-cts-7.1_r17android-cts-7.1_r16android-cts-7.1_r15android-cts-7.1_r14android-cts-7.1_r13android-cts-7.1_r12android-cts-7.1_r11android-cts-7.1_r10android-cts-7.1_r1android-cts-7.0_r9android-cts-7.0_r8android-cts-7.0_r7android-cts-7.0_r6android-cts-7.0_r5android-cts-7.0_r4android-cts-7.0_r33android-cts-7.0_r32android-cts-7.0_r31android-cts-7.0_r30android-cts-7.0_r3android-cts-7.0_r29android-cts-7.0_r28android-cts-7.0_r27android-cts-7.0_r26android-cts-7.0_r25android-cts-7.0_r24android-cts-7.0_r23android-cts-7.0_r22android-cts-7.0_r21android-cts-7.0_r20android-cts-7.0_r2android-cts-7.0_r19android-cts-7.0_r18android-cts-7.0_r17android-cts-7.0_r16android-cts-7.0_r15android-cts-7.0_r14android-cts-7.0_r13android-cts-7.0_r12android-cts-7.0_r11android-cts-7.0_r10android-cts-7.0_r1android-7.1.2_r9android-7.1.2_r8android-7.1.2_r6android-7.1.2_r5android-7.1.2_r4android-7.1.2_r39android-7.1.2_r38android-7.1.2_r37android-7.1.2_r36android-7.1.2_r33android-7.1.2_r32android-7.1.2_r30android-7.1.2_r3android-7.1.2_r29android-7.1.2_r28android-7.1.2_r27android-7.1.2_r25android-7.1.2_r24android-7.1.2_r23android-7.1.2_r2android-7.1.2_r19android-7.1.2_r18android-7.1.2_r17android-7.1.2_r16android-7.1.2_r15android-7.1.2_r14android-7.1.2_r13android-7.1.2_r12android-7.1.2_r11android-7.1.2_r10android-7.1.2_r1android-7.1.1_r9android-7.1.1_r8android-7.1.1_r7android-7.1.1_r61android-7.1.1_r60android-7.1.1_r6android-7.1.1_r59android-7.1.1_r58android-7.1.1_r57android-7.1.1_r56android-7.1.1_r55android-7.1.1_r54android-7.1.1_r53android-7.1.1_r52android-7.1.1_r51android-7.1.1_r50android-7.1.1_r49android-7.1.1_r48android-7.1.1_r47android-7.1.1_r46android-7.1.1_r45android-7.1.1_r44android-7.1.1_r43android-7.1.1_r42android-7.1.1_r41android-7.1.1_r40android-7.1.1_r4android-7.1.1_r39android-7.1.1_r38android-7.1.1_r35android-7.1.1_r33android-7.1.1_r32android-7.1.1_r31android-7.1.1_r3android-7.1.1_r28android-7.1.1_r27android-7.1.1_r26android-7.1.1_r25android-7.1.1_r24android-7.1.1_r23android-7.1.1_r22android-7.1.1_r21android-7.1.1_r20android-7.1.1_r2android-7.1.1_r17android-7.1.1_r16android-7.1.1_r15android-7.1.1_r14android-7.1.1_r13android-7.1.1_r12android-7.1.1_r11android-7.1.1_r10android-7.1.1_r1android-7.1.0_r7android-7.1.0_r6android-7.1.0_r5android-7.1.0_r4android-7.1.0_r3android-7.1.0_r2android-7.1.0_r1android-7.0.0_r9android-7.0.0_r8android-7.0.0_r7android-7.0.0_r6android-7.0.0_r5android-7.0.0_r4android-7.0.0_r36android-7.0.0_r35android-7.0.0_r34android-7.0.0_r33android-7.0.0_r32android-7.0.0_r31android-7.0.0_r30android-7.0.0_r3android-7.0.0_r29android-7.0.0_r28android-7.0.0_r27android-7.0.0_r24android-7.0.0_r21android-7.0.0_r19android-7.0.0_r17android-7.0.0_r15android-7.0.0_r14android-7.0.0_r13android-7.0.0_r12android-7.0.0_r11android-7.0.0_r10android-7.0.0_r1nougat-releasenougat-mr2.3-releasenougat-mr2.2-releasenougat-mr2.1-releasenougat-mr2-security-releasenougat-mr2-releasenougat-mr2-pixel-releasenougat-mr2-devnougat-mr1.8-releasenougat-mr1.7-releasenougat-mr1.6-releasenougat-mr1.5-releasenougat-mr1.4-releasenougat-mr1.3-releasenougat-mr1.2-releasenougat-mr1.1-releasenougat-mr1-volantis-releasenougat-mr1-security-releasenougat-mr1-releasenougat-mr1-flounder-releasenougat-mr1-devnougat-mr1-cts-releasenougat-mr0.5-releasenougat-dr1-releasenougat-devnougat-cts-releasenougat-bugfix-release

am: 9a337512d9

* commit '9a337512d97e37afc142dee4fd50a41b741a87d2': (797 commits)
  Add tests for verifying transport feedback for audio and video.
  Eliminate defines in talk/
  Revert of Update with new default boringssl no-aes cipher suites. Re-enable tests. (patchset #3 id:40001 of https://codereview.webrtc.org/1550773002/ )
  Remove assert which was incorrectly added to TcpPort::OnSentPacket.
  Reland Connect TurnPort and TCPPort to AsyncPacketSocket::SignalSentPacket.
  Update with new default boringssl no-aes cipher suites. Re-enable tests.
  Revert of Connect TurnPort and TCPPort to AsyncPacketSocket::SignalSentPacket. (patchset #3 id:40001 of https://codereview.webrtc.org/1577873003/ )
  Re-land: "Use an explicit identifier in Config"
  Connect TurnPort and TCPPort to AsyncPacketSocket::SignalSentPacket.
  Revert of Delete remnants of non-square pixel support from cricket::VideoFrame. (patchset #1 id:1 of https://codereview.webrtc.org/1586613002/ )
  Remove libfuzzer trybot from default trybot set.
  Add ramp-up tests for transport sequence number with and w/o audio.
  Delete remnants of non-square pixel support from cricket::VideoFrame.
  Fix IPAddress::ToSensitiveString() to avoid dependency on inet_ntop().
  Revert of Storing raw audio sink for default audio track. (patchset #7 id:120001 of https://codereview.chromium.org/1551813002/ )
  Re-enable tests that failed under Linux_Msan.
  Revert of Use an explicit identifier in Config (patchset #4 id:60001 of https://codereview.webrtc.org/1538643004/ )
  Roll chromium_revision 346fea9..099be58 (369082:369139)
  Disable WebRtcVideoChannel2BaseTest.SendManyResizeOnce for TSan
  Add build_protobuf variable.
  ...

1 files changed, 144 insertions, 0 deletions

diff --git a/webrtc/video/vie_remb.cc b/webrtc/video/vie_remb.cc
new file mode 100644
index 0000000000..95c2f1e130
--- /dev/null
+++ b/webrtc/video/vie_remb.cc
@@ -0,0 +1,144 @@
+/*
+ *  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/video/vie_remb.h"
+
+#include <assert.h>
+
+#include <algorithm>
+
+#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h"
+#include "webrtc/modules/utility/include/process_thread.h"
+#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
+#include "webrtc/system_wrappers/include/tick_util.h"
+#include "webrtc/system_wrappers/include/trace.h"
+
+namespace webrtc {
+
+const int kRembSendIntervalMs = 200;
+
+// % threshold for if we should send a new REMB asap.
+const unsigned int kSendThresholdPercent = 97;
+
+VieRemb::VieRemb(Clock* clock)
+    : clock_(clock),
+      list_crit_(CriticalSectionWrapper::CreateCriticalSection()),
+      last_remb_time_(clock_->TimeInMilliseconds()),
+      last_send_bitrate_(0),
+      bitrate_(0) {}
+
+VieRemb::~VieRemb() {}
+
+void VieRemb::AddReceiveChannel(RtpRtcp* rtp_rtcp) {
+  assert(rtp_rtcp);
+
+  CriticalSectionScoped cs(list_crit_.get());
+  if (std::find(receive_modules_.begin(), receive_modules_.end(), rtp_rtcp) !=
+      receive_modules_.end())
+    return;
+
+  // The module probably doesn't have a remote SSRC yet, so don't add it to the
+  // map.
+  receive_modules_.push_back(rtp_rtcp);
+}
+
+void VieRemb::RemoveReceiveChannel(RtpRtcp* rtp_rtcp) {
+  assert(rtp_rtcp);
+
+  CriticalSectionScoped cs(list_crit_.get());
+  for (RtpModules::iterator it = receive_modules_.begin();
+       it != receive_modules_.end(); ++it) {
+    if ((*it) == rtp_rtcp) {
+      receive_modules_.erase(it);
+      break;
+    }
+  }
+}
+
+void VieRemb::AddRembSender(RtpRtcp* rtp_rtcp) {
+  assert(rtp_rtcp);
+
+  CriticalSectionScoped cs(list_crit_.get());
+
+  // Verify this module hasn't been added earlier.
+  if (std::find(rtcp_sender_.begin(), rtcp_sender_.end(), rtp_rtcp) !=
+      rtcp_sender_.end())
+    return;
+  rtcp_sender_.push_back(rtp_rtcp);
+}
+
+void VieRemb::RemoveRembSender(RtpRtcp* rtp_rtcp) {
+  assert(rtp_rtcp);
+
+  CriticalSectionScoped cs(list_crit_.get());
+  for (RtpModules::iterator it = rtcp_sender_.begin();
+       it != rtcp_sender_.end(); ++it) {
+    if ((*it) == rtp_rtcp) {
+      rtcp_sender_.erase(it);
+      return;
+    }
+  }
+}
+
+bool VieRemb::InUse() const {
+  CriticalSectionScoped cs(list_crit_.get());
+  if (receive_modules_.empty() && rtcp_sender_.empty())
+    return false;
+  else
+    return true;
+}
+
+void VieRemb::OnReceiveBitrateChanged(const std::vector<unsigned int>& ssrcs,
+                                      unsigned int bitrate) {
+  list_crit_->Enter();
+  // If we already have an estimate, check if the new total estimate is below
+  // kSendThresholdPercent of the previous estimate.
+  if (last_send_bitrate_ > 0) {
+    unsigned int new_remb_bitrate = last_send_bitrate_ - bitrate_ + bitrate;
+
+    if (new_remb_bitrate < kSendThresholdPercent * last_send_bitrate_ / 100) {
+      // The new bitrate estimate is less than kSendThresholdPercent % of the
+      // last report. Send a REMB asap.
+      last_remb_time_ = clock_->TimeInMilliseconds() - kRembSendIntervalMs;
+    }
+  }
+  bitrate_ = bitrate;
+
+  // Calculate total receive bitrate estimate.
+  int64_t now = clock_->TimeInMilliseconds();
+
+  if (now - last_remb_time_ < kRembSendIntervalMs) {
+    list_crit_->Leave();
+    return;
+  }
+  last_remb_time_ = now;
+
+  if (ssrcs.empty() || receive_modules_.empty()) {
+    list_crit_->Leave();
+    return;
+  }
+
+  // Send a REMB packet.
+  RtpRtcp* sender = NULL;
+  if (!rtcp_sender_.empty()) {
+    sender = rtcp_sender_.front();
+  } else {
+    sender = receive_modules_.front();
+  }
+  last_send_bitrate_ = bitrate_;
+
+  list_crit_->Leave();
+
+  if (sender) {
+    sender->SetREMBData(bitrate_, ssrcs);
+  }
+}
+
+}  // namespace webrtc