VideoDecoder.h - mozsearch

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/* -*- 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