1 files changed, 79 insertions, 0 deletions
diff --git a/dom/media/webcodecs/VideoDecoder.h b/dom/media/webcodecs/VideoDecoder.h
new file mode 100644
index 0000000000..f4b3fe10ed
--- /dev/null
+++ b/dom/media/webcodecs/VideoDecoder.h
@@ -0,0 +1,79 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_VideoDecoder_h
+#define mozilla_dom_VideoDecoder_h
+
+#include "js/TypeDecls.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/DecoderTemplate.h"
+#include "mozilla/dom/DecoderTypes.h"
+#include "mozilla/dom/VideoFrame.h"
+#include "nsCycleCollectionParticipant.h"
+
+class nsIGlobalObject;
+
+namespace mozilla {
+
+namespace dom {
+
+class EncodedVideoChunk;
+class EncodedVideoChunkData;
+class EventHandlerNonNull;
+class GlobalObject;
+class Promise;
+class VideoFrameOutputCallback;
+class WebCodecsErrorCallback;
+struct VideoDecoderConfig;
+struct VideoDecoderInit;
+
+}  // namespace dom
+
+}  // namespace mozilla
+
+namespace mozilla::dom {
+
+class VideoDecoder final : public DecoderTemplate<VideoDecoderTraits> {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(VideoDecoder, DOMEventTargetHelper)
+
+ public:
+  VideoDecoder(nsIGlobalObject* aParent,
+               RefPtr<WebCodecsErrorCallback>&& aErrorCallback,
+               RefPtr<VideoFrameOutputCallback>&& aOutputCallback);
+
+ protected:
+  ~VideoDecoder();
+
+ public:
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  static already_AddRefed<VideoDecoder> Constructor(
+      const GlobalObject& aGlobal, const VideoDecoderInit& aInit,
+      ErrorResult& aRv);
+
+  static already_AddRefed<Promise> IsConfigSupported(
+      const GlobalObject& aGlobal, const VideoDecoderConfig& aConfig,
+      ErrorResult& aRv);
+
+ protected:
+  virtual already_AddRefed<MediaRawData> InputDataToMediaRawData(
+      UniquePtr<EncodedVideoChunkData>&& aData, TrackInfo& aInfo,
+      const VideoDecoderConfigInternal& aConfig) override;
+
+  virtual nsTArray<RefPtr<VideoFrame>> DecodedDataToOutputType(
+      nsIGlobalObject* aGlobalObject, const nsTArray<RefPtr<MediaData>>&& aData,
+      VideoDecoderConfigInternal& aConfig) override;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_VideoDecoder_h