1 files changed, 61 insertions, 0 deletions
diff --git a/dom/media/webrtc/jsapi/RTCEncodedVideoFrame.h b/dom/media/webrtc/jsapi/RTCEncodedVideoFrame.h
new file mode 100644
index 0000000000..7f1e04db96
--- /dev/null
+++ b/dom/media/webrtc/jsapi/RTCEncodedVideoFrame.h
@@ -0,0 +1,61 @@
+/* -*- 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/. */
+
+#ifndef MOZILLA_DOM_MEDIA_WEBRTC_JSAPI_RTCENCODEDVIDEOFRAME_H_
+#define MOZILLA_DOM_MEDIA_WEBRTC_JSAPI_RTCENCODEDVIDEOFRAME_H_
+
+#include "mozilla/RefPtr.h"
+#include "nsIGlobalObject.h"
+#include "jsapi/RTCEncodedFrameBase.h"
+#include "mozilla/dom/RTCEncodedVideoFrameBinding.h"
+
+namespace mozilla::dom {
+class RTCRtpScriptTransformer;
+
+// Wraps a libwebrtc frame, allowing the frame buffer to be modified, and
+// providing read-only access to various metadata. After the libwebrtc frame is
+// extracted (with RTCEncodedFrameBase::TakeFrame), the frame buffer is
+// detached, but the metadata remains accessible.
+class RTCEncodedVideoFrame final : public RTCEncodedFrameBase {
+ public:
+  explicit RTCEncodedVideoFrame(
+      nsIGlobalObject* aGlobal,
+      std::unique_ptr<webrtc::TransformableFrameInterface> aFrame,
+      uint64_t aCounter, RTCRtpScriptTransformer* aOwner);
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(RTCEncodedVideoFrame,
+                                           RTCEncodedFrameBase)
+
+  // webidl (timestamp and data accessors live in base class)
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  nsIGlobalObject* GetParentObject() const;
+
+  RTCEncodedVideoFrameType Type() const;
+
+  void GetMetadata(RTCEncodedVideoFrameMetadata& aMetadata);
+
+  bool CheckOwner(RTCRtpScriptTransformer* aOwner) const override;
+
+  bool IsVideo() const override { return true; }
+
+  // Not in webidl right now. Might change.
+  // https://github.com/w3c/webrtc-encoded-transform/issues/147
+  Maybe<std::string> Rid() const;
+
+ private:
+  virtual ~RTCEncodedVideoFrame();
+  RefPtr<RTCRtpScriptTransformer> mOwner;
+  RTCEncodedVideoFrameType mType;
+  RTCEncodedVideoFrameMetadata mMetadata;
+  Maybe<std::string> mRid;
+};
+
+}  // namespace mozilla::dom
+#endif  // MOZILLA_DOM_MEDIA_WEBRTC_JSAPI_RTCENCODEDVIDEOFRAME_H_