1 files changed, 116 insertions, 0 deletions
diff --git a/dom/media/webrtc/jsapi/RTCEncodedVideoFrame.cpp b/dom/media/webrtc/jsapi/RTCEncodedVideoFrame.cpp
new file mode 100644
index 0000000000..8ca7215c98
--- /dev/null
+++ b/dom/media/webrtc/jsapi/RTCEncodedVideoFrame.cpp
@@ -0,0 +1,116 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+#include "jsapi/RTCEncodedVideoFrame.h"
+
+#include <stdint.h>
+#include <memory>
+#include <string>
+#include <utility>
+
+#include "api/frame_transformer_interface.h"
+
+#include "jsapi/RTCEncodedFrameBase.h"
+#include "mozilla/dom/RTCEncodedVideoFrameBinding.h"
+#include "mozilla/dom/RTCRtpScriptTransformer.h"
+#include "nsWrapperCache.h"
+#include "nsISupports.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIGlobalObject.h"
+#include "nsContentUtils.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/Unused.h"
+#include "mozilla/fallible.h"
+#include "mozilla/Maybe.h"
+#include "js/RootingAPI.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(RTCEncodedVideoFrame, RTCEncodedFrameBase,
+                                   mOwner)
+NS_IMPL_ADDREF_INHERITED(RTCEncodedVideoFrame, RTCEncodedFrameBase)
+NS_IMPL_RELEASE_INHERITED(RTCEncodedVideoFrame, RTCEncodedFrameBase)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RTCEncodedVideoFrame)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+NS_INTERFACE_MAP_END_INHERITING(RTCEncodedFrameBase)
+
+RTCEncodedVideoFrame::RTCEncodedVideoFrame(
+    nsIGlobalObject* aGlobal,
+    std::unique_ptr<webrtc::TransformableFrameInterface> aFrame,
+    uint64_t aCounter, RTCRtpScriptTransformer* aOwner)
+    : RTCEncodedFrameBase(aGlobal, std::move(aFrame), aCounter),
+      mOwner(aOwner) {
+  const auto& videoFrame(
+      static_cast<webrtc::TransformableVideoFrameInterface&>(*mFrame));
+  mType = videoFrame.IsKeyFrame() ? RTCEncodedVideoFrameType::Key
+                                  : RTCEncodedVideoFrameType::Delta;
+  auto metadata = videoFrame.Metadata();
+
+  if (metadata.GetFrameId().has_value()) {
+    mMetadata.mFrameId.Construct(*metadata.GetFrameId());
+  }
+  mMetadata.mDependencies.Construct();
+  for (const auto dep : metadata.GetFrameDependencies()) {
+    Unused << mMetadata.mDependencies.Value().AppendElement(
+        static_cast<unsigned long long>(dep), fallible);
+  }
+  mMetadata.mWidth.Construct(metadata.GetWidth());
+  mMetadata.mHeight.Construct(metadata.GetHeight());
+  if (metadata.GetSpatialIndex() >= 0) {
+    mMetadata.mSpatialIndex.Construct(metadata.GetSpatialIndex());
+  }
+  if (metadata.GetTemporalIndex() >= 0) {
+    mMetadata.mTemporalIndex.Construct(metadata.GetTemporalIndex());
+  }
+  mMetadata.mSynchronizationSource.Construct(videoFrame.GetSsrc());
+  mMetadata.mPayloadType.Construct(videoFrame.GetPayloadType());
+  mMetadata.mContributingSources.Construct();
+  for (const auto csrc : metadata.GetCsrcs()) {
+    Unused << mMetadata.mContributingSources.Value().AppendElement(csrc,
+                                                                   fallible);
+  }
+
+  // The metadata timestamp is different, and not presently present in the
+  // libwebrtc types
+  if (!videoFrame.GetRid().empty()) {
+    mRid = Some(videoFrame.GetRid());
+  }
+
+  // Base class needs this, but can't do it itself because of an assertion in
+  // the cycle-collector.
+  mozilla::HoldJSObjects(this);
+}
+
+RTCEncodedVideoFrame::~RTCEncodedVideoFrame() {
+  // Base class needs this, but can't do it itself because of an assertion in
+  // the cycle-collector.
+  mozilla::DropJSObjects(this);
+}
+
+JSObject* RTCEncodedVideoFrame::WrapObject(JSContext* aCx,
+                                           JS::Handle<JSObject*> aGivenProto) {
+  return RTCEncodedVideoFrame_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+nsIGlobalObject* RTCEncodedVideoFrame::GetParentObject() const {
+  return mGlobal;
+}
+
+RTCEncodedVideoFrameType RTCEncodedVideoFrame::Type() const { return mType; }
+
+void RTCEncodedVideoFrame::GetMetadata(
+    RTCEncodedVideoFrameMetadata& aMetadata) {
+  aMetadata = mMetadata;
+}
+
+bool RTCEncodedVideoFrame::CheckOwner(RTCRtpScriptTransformer* aOwner) const {
+  return aOwner == mOwner;
+}
+
+Maybe<std::string> RTCEncodedVideoFrame::Rid() const { return mRid; }
+
+}  // namespace mozilla::dom