1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/rtp_generic_ref_finder.cc b/third_party/libwebrtc/modules/video_coding/rtp_generic_ref_finder.cc
new file mode 100644
index 0000000000..fd5b8afda1
--- /dev/null
+++ b/third_party/libwebrtc/modules/video_coding/rtp_generic_ref_finder.cc
@@ -0,0 +1,44 @@
+/*
+ *  Copyright (c) 2020 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/video_coding/rtp_generic_ref_finder.h"
+
+#include <utility>
+
+#include "rtc_base/logging.h"
+
+namespace webrtc {
+
+RtpFrameReferenceFinder::ReturnVector RtpGenericFrameRefFinder::ManageFrame(
+    std::unique_ptr<RtpFrameObject> frame,
+    const RTPVideoHeader::GenericDescriptorInfo& descriptor) {
+  // Frame IDs are unwrapped in the RtpVideoStreamReceiver, no need to unwrap
+  // them here.
+  frame->SetId(descriptor.frame_id);
+  frame->SetSpatialIndex(descriptor.spatial_index);
+  if (descriptor.temporal_index != kNoTemporalIdx)
+    frame->SetTemporalIndex(descriptor.temporal_index);
+
+  RtpFrameReferenceFinder::ReturnVector res;
+  if (EncodedFrame::kMaxFrameReferences < descriptor.dependencies.size()) {
+    RTC_LOG(LS_WARNING) << "Too many dependencies in generic descriptor.";
+    return res;
+  }
+
+  frame->num_references = descriptor.dependencies.size();
+  for (size_t i = 0; i < descriptor.dependencies.size(); ++i) {
+    frame->references[i] = descriptor.dependencies[i];
+  }
+
+  res.push_back(std::move(frame));
+  return res;
+}
+
+}  // namespace webrtc