1 files changed, 150 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/rtp_rtcp/source/rtcp_transceiver.cc b/third_party/libwebrtc/modules/rtp_rtcp/source/rtcp_transceiver.cc
new file mode 100644
index 0000000000..f265bd5825
--- /dev/null
+++ b/third_party/libwebrtc/modules/rtp_rtcp/source/rtcp_transceiver.cc
@@ -0,0 +1,150 @@
+/*
+ *  Copyright (c) 2017 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 "modules/rtp_rtcp/source/rtcp_transceiver.h"
+
+#include <memory>
+#include <utility>
+#include <vector>
+
+#include "absl/cleanup/cleanup.h"
+#include "api/units/timestamp.h"
+#include "modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/event.h"
+#include "system_wrappers/include/clock.h"
+
+namespace webrtc {
+
+RtcpTransceiver::RtcpTransceiver(const RtcpTransceiverConfig& config)
+    : clock_(config.clock),
+      task_queue_(config.task_queue),
+      rtcp_transceiver_(std::make_unique<RtcpTransceiverImpl>(config)) {
+  RTC_DCHECK(task_queue_);
+}
+
+RtcpTransceiver::~RtcpTransceiver() {
+  if (!rtcp_transceiver_)
+    return;
+  auto rtcp_transceiver = std::move(rtcp_transceiver_);
+  task_queue_->PostTask([rtcp_transceiver = std::move(rtcp_transceiver)] {
+    rtcp_transceiver->StopPeriodicTask();
+  });
+  RTC_DCHECK(!rtcp_transceiver_);
+}
+
+void RtcpTransceiver::Stop(absl::AnyInvocable<void() &&> on_destroyed) {
+  RTC_DCHECK(rtcp_transceiver_);
+  auto rtcp_transceiver = std::move(rtcp_transceiver_);
+  absl::Cleanup cleanup = std::move(on_destroyed);
+  task_queue_->PostTask(
+      [rtcp_transceiver = std::move(rtcp_transceiver),
+       cleanup = std::move(cleanup)] { rtcp_transceiver->StopPeriodicTask(); });
+  RTC_DCHECK(!rtcp_transceiver_);
+}
+
+void RtcpTransceiver::AddMediaReceiverRtcpObserver(
+    uint32_t remote_ssrc,
+    MediaReceiverRtcpObserver* observer) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask([ptr, remote_ssrc, observer] {
+    ptr->AddMediaReceiverRtcpObserver(remote_ssrc, observer);
+  });
+}
+
+void RtcpTransceiver::RemoveMediaReceiverRtcpObserver(
+    uint32_t remote_ssrc,
+    MediaReceiverRtcpObserver* observer,
+    absl::AnyInvocable<void() &&> on_removed) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  absl::Cleanup cleanup = std::move(on_removed);
+  task_queue_->PostTask(
+      [ptr, remote_ssrc, observer, cleanup = std::move(cleanup)] {
+        ptr->RemoveMediaReceiverRtcpObserver(remote_ssrc, observer);
+      });
+}
+
+void RtcpTransceiver::SetReadyToSend(bool ready) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask([ptr, ready] { ptr->SetReadyToSend(ready); });
+}
+
+void RtcpTransceiver::ReceivePacket(rtc::CopyOnWriteBuffer packet) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  Timestamp now = clock_->CurrentTime();
+  task_queue_->PostTask(
+      [ptr, packet, now] { ptr->ReceivePacket(packet, now); });
+}
+
+void RtcpTransceiver::SendCompoundPacket() {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask([ptr] { ptr->SendCompoundPacket(); });
+}
+
+void RtcpTransceiver::SetRemb(int64_t bitrate_bps,
+                              std::vector<uint32_t> ssrcs) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask([ptr, bitrate_bps, ssrcs = std::move(ssrcs)]() mutable {
+    ptr->SetRemb(bitrate_bps, std::move(ssrcs));
+  });
+}
+
+void RtcpTransceiver::UnsetRemb() {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask([ptr] { ptr->UnsetRemb(); });
+}
+
+void RtcpTransceiver::SendCombinedRtcpPacket(
+    std::vector<std::unique_ptr<rtcp::RtcpPacket>> rtcp_packets) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask(
+      [ptr, rtcp_packets = std::move(rtcp_packets)]() mutable {
+        ptr->SendCombinedRtcpPacket(std::move(rtcp_packets));
+      });
+}
+
+void RtcpTransceiver::SendNack(uint32_t ssrc,
+                               std::vector<uint16_t> sequence_numbers) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask(
+      [ptr, ssrc, sequence_numbers = std::move(sequence_numbers)]() mutable {
+        ptr->SendNack(ssrc, std::move(sequence_numbers));
+      });
+}
+
+void RtcpTransceiver::SendPictureLossIndication(uint32_t ssrc) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask([ptr, ssrc] { ptr->SendPictureLossIndication(ssrc); });
+}
+
+void RtcpTransceiver::SendFullIntraRequest(std::vector<uint32_t> ssrcs) {
+  return SendFullIntraRequest(std::move(ssrcs), true);
+}
+
+void RtcpTransceiver::SendFullIntraRequest(std::vector<uint32_t> ssrcs,
+                                           bool new_request) {
+  RTC_CHECK(rtcp_transceiver_);
+  RtcpTransceiverImpl* ptr = rtcp_transceiver_.get();
+  task_queue_->PostTask([ptr, ssrcs = std::move(ssrcs), new_request] {
+    ptr->SendFullIntraRequest(ssrcs, new_request);
+  });
+}
+
+}  // namespace webrtc