1 files changed, 96 insertions, 0 deletions
diff --git a/dom/media/webrtc/jsapi/RTCEncodedAudioFrame.cpp b/dom/media/webrtc/jsapi/RTCEncodedAudioFrame.cpp
new file mode 100644
index 0000000000..43f7a1f13b
--- /dev/null
+++ b/dom/media/webrtc/jsapi/RTCEncodedAudioFrame.cpp
@@ -0,0 +1,96 @@
+/* -*- 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/RTCEncodedAudioFrame.h"
+
+#include <stdint.h>
+
+#include <memory>
+#include <utility>
+
+#include "api/frame_transformer_interface.h"
+
+#include "jsapi/RTCEncodedFrameBase.h"
+#include "jsapi/RTCRtpScriptTransform.h"
+#include "mozilla/dom/RTCRtpScriptTransformer.h"
+#include "mozilla/dom/RTCEncodedAudioFrameBinding.h"
+#include "nsWrapperCache.h"
+#include "nsISupports.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIGlobalObject.h"
+#include "nsContentUtils.h"
+#include "mozilla/HoldDropJSObjects.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/Unused.h"
+#include "mozilla/fallible.h"
+#include "js/RootingAPI.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(RTCEncodedAudioFrame, RTCEncodedFrameBase,
+                                   mOwner)
+NS_IMPL_ADDREF_INHERITED(RTCEncodedAudioFrame, RTCEncodedFrameBase)
+NS_IMPL_RELEASE_INHERITED(RTCEncodedAudioFrame, RTCEncodedFrameBase)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RTCEncodedAudioFrame)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+NS_INTERFACE_MAP_END_INHERITING(RTCEncodedFrameBase)
+
+RTCEncodedAudioFrame::RTCEncodedAudioFrame(
+    nsIGlobalObject* aGlobal,
+    std::unique_ptr<webrtc::TransformableFrameInterface> aFrame,
+    uint64_t aCounter, RTCRtpScriptTransformer* aOwner)
+    : RTCEncodedFrameBase(aGlobal, std::move(aFrame), aCounter),
+      mOwner(aOwner) {
+  mMetadata.mSynchronizationSource.Construct(mFrame->GetSsrc());
+  mMetadata.mPayloadType.Construct(mFrame->GetPayloadType());
+  // send frames are derived directly from TransformableFrameInterface, not
+  // TransformableAudioFrameInterface! Right now, send frames have no csrcs
+  // or sequence number
+  // TODO(bug 1835076): Fix this
+  if (mFrame->GetDirection() ==
+      webrtc::TransformableFrameInterface::Direction::kReceiver) {
+    const auto& audioFrame(
+        static_cast<webrtc::TransformableAudioFrameInterface&>(*mFrame));
+    mMetadata.mContributingSources.Construct();
+    for (const auto csrc : audioFrame.GetContributingSources()) {
+      Unused << mMetadata.mContributingSources.Value().AppendElement(csrc,
+                                                                     fallible);
+    }
+    if (const auto optionalSeqNum = audioFrame.SequenceNumber()) {
+      mMetadata.mSequenceNumber.Construct(*optionalSeqNum);
+    }
+  }
+
+  // Base class needs this, but can't do it itself because of an assertion in
+  // the cycle-collector.
+  mozilla::HoldJSObjects(this);
+}
+
+RTCEncodedAudioFrame::~RTCEncodedAudioFrame() {
+  // Base class needs this, but can't do it itself because of an assertion in
+  // the cycle-collector.
+  mozilla::DropJSObjects(this);
+}
+
+JSObject* RTCEncodedAudioFrame::WrapObject(JSContext* aCx,
+                                           JS::Handle<JSObject*> aGivenProto) {
+  return RTCEncodedAudioFrame_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+nsIGlobalObject* RTCEncodedAudioFrame::GetParentObject() const {
+  return mGlobal;
+}
+
+void RTCEncodedAudioFrame::GetMetadata(
+    RTCEncodedAudioFrameMetadata& aMetadata) const {
+  aMetadata = mMetadata;
+}
+
+bool RTCEncodedAudioFrame::CheckOwner(RTCRtpScriptTransformer* aOwner) const {
+  return aOwner == mOwner;
+}
+}  // namespace mozilla::dom