1 files changed, 108 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers.cc b/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers.cc
new file mode 100644
index 0000000000..dd75c616d8
--- /dev/null
+++ b/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers.cc
@@ -0,0 +1,108 @@
+/*
+ *  Copyright (c) 2019 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 "api/video_codecs/vp8_temporal_layers.h"
+
+#include <utility>
+
+#include "absl/algorithm/container.h"
+#include "rtc_base/checks.h"
+
+namespace webrtc {
+
+Vp8TemporalLayers::Vp8TemporalLayers(
+    std::vector<std::unique_ptr<Vp8FrameBufferController>>&& controllers,
+    FecControllerOverride* fec_controller_override)
+    : controllers_(std::move(controllers)) {
+  RTC_DCHECK(!controllers_.empty());
+  RTC_DCHECK(absl::c_none_of(
+      controllers_,
+      [](const std::unique_ptr<Vp8FrameBufferController>& controller) {
+        return controller.get() == nullptr;
+      }));
+  if (fec_controller_override) {
+    fec_controller_override->SetFecAllowed(true);
+  }
+}
+
+void Vp8TemporalLayers::SetQpLimits(size_t stream_index,
+                                    int min_qp,
+                                    int max_qp) {
+  RTC_DCHECK_LT(stream_index, controllers_.size());
+  return controllers_[stream_index]->SetQpLimits(0, min_qp, max_qp);
+}
+
+size_t Vp8TemporalLayers::StreamCount() const {
+  return controllers_.size();
+}
+
+bool Vp8TemporalLayers::SupportsEncoderFrameDropping(
+    size_t stream_index) const {
+  RTC_DCHECK_LT(stream_index, controllers_.size());
+  return controllers_[stream_index]->SupportsEncoderFrameDropping(0);
+}
+
+void Vp8TemporalLayers::OnRatesUpdated(
+    size_t stream_index,
+    const std::vector<uint32_t>& bitrates_bps,
+    int framerate_fps) {
+  RTC_DCHECK_LT(stream_index, controllers_.size());
+  return controllers_[stream_index]->OnRatesUpdated(0, bitrates_bps,
+                                                    framerate_fps);
+}
+
+Vp8EncoderConfig Vp8TemporalLayers::UpdateConfiguration(size_t stream_index) {
+  RTC_DCHECK_LT(stream_index, controllers_.size());
+  return controllers_[stream_index]->UpdateConfiguration(0);
+}
+
+Vp8FrameConfig Vp8TemporalLayers::NextFrameConfig(size_t stream_index,
+                                                  uint32_t rtp_timestamp) {
+  RTC_DCHECK_LT(stream_index, controllers_.size());
+  return controllers_[stream_index]->NextFrameConfig(0, rtp_timestamp);
+}
+
+void Vp8TemporalLayers::OnEncodeDone(size_t stream_index,
+                                     uint32_t rtp_timestamp,
+                                     size_t size_bytes,
+                                     bool is_keyframe,
+                                     int qp,
+                                     CodecSpecificInfo* info) {
+  RTC_DCHECK_LT(stream_index, controllers_.size());
+  return controllers_[stream_index]->OnEncodeDone(0, rtp_timestamp, size_bytes,
+                                                  is_keyframe, qp, info);
+}
+
+void Vp8TemporalLayers::OnFrameDropped(size_t stream_index,
+                                       uint32_t rtp_timestamp) {
+  RTC_DCHECK_LT(stream_index, controllers_.size());
+  controllers_[stream_index]->OnFrameDropped(stream_index, rtp_timestamp);
+}
+
+void Vp8TemporalLayers::OnPacketLossRateUpdate(float packet_loss_rate) {
+  for (auto& controller : controllers_) {
+    controller->OnPacketLossRateUpdate(packet_loss_rate);
+  }
+}
+
+void Vp8TemporalLayers::OnRttUpdate(int64_t rtt_ms) {
+  for (auto& controller : controllers_) {
+    controller->OnRttUpdate(rtt_ms);
+  }
+}
+
+void Vp8TemporalLayers::OnLossNotification(
+    const VideoEncoder::LossNotification& loss_notification) {
+  for (auto& controller : controllers_) {
+    controller->OnLossNotification(loss_notification);
+  }
+}
+
+}  // namespace webrtc