tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

VideoDecoder.h (2383B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_VideoDecoder_h
      8 #define mozilla_dom_VideoDecoder_h
      9 
     10 #include "js/TypeDecls.h"
     11 #include "mozilla/ErrorResult.h"
     12 #include "mozilla/RefPtr.h"
     13 #include "mozilla/UniquePtr.h"
     14 #include "mozilla/dom/BindingDeclarations.h"
     15 #include "mozilla/dom/DecoderTemplate.h"
     16 #include "mozilla/dom/DecoderTypes.h"
     17 #include "mozilla/dom/VideoFrame.h"
     18 #include "nsCycleCollectionParticipant.h"
     19 
     20 class nsIGlobalObject;
     21 
     22 namespace mozilla {
     23 
     24 namespace dom {
     25 
     26 class EncodedVideoChunk;
     27 class EncodedVideoChunkData;
     28 class EventHandlerNonNull;
     29 class GlobalObject;
     30 class Promise;
     31 class VideoFrameOutputCallback;
     32 class WebCodecsErrorCallback;
     33 struct VideoDecoderConfig;
     34 struct VideoDecoderInit;
     35 
     36 }  // namespace dom
     37 
     38 }  // namespace mozilla
     39 
     40 namespace mozilla::dom {
     41 
     42 class VideoDecoder final : public DecoderTemplate<VideoDecoderTraits> {
     43 public:
     44  NS_DECL_ISUPPORTS_INHERITED
     45  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(VideoDecoder, DOMEventTargetHelper)
     46 
     47 public:
     48  VideoDecoder(nsIGlobalObject* aParent,
     49               RefPtr<WebCodecsErrorCallback>&& aErrorCallback,
     50               RefPtr<VideoFrameOutputCallback>&& aOutputCallback);
     51 
     52 protected:
     53  ~VideoDecoder();
     54 
     55 public:
     56  JSObject* WrapObject(JSContext* aCx,
     57                       JS::Handle<JSObject*> aGivenProto) override;
     58 
     59  static already_AddRefed<VideoDecoder> Constructor(
     60      const GlobalObject& aGlobal, const VideoDecoderInit& aInit,
     61      ErrorResult& aRv);
     62 
     63  static already_AddRefed<Promise> IsConfigSupported(
     64      const GlobalObject& aGlobal, const VideoDecoderConfig& aConfig,
     65      ErrorResult& aRv);
     66 
     67 protected:
     68  virtual already_AddRefed<MediaRawData> InputDataToMediaRawData(
     69      UniquePtr<EncodedVideoChunkData>&& aData, TrackInfo& aInfo,
     70      const VideoDecoderConfigInternal& aConfig) override;
     71 
     72  virtual nsTArray<RefPtr<VideoFrame>> DecodedDataToOutputType(
     73      nsIGlobalObject* aGlobalObject, const nsTArray<RefPtr<MediaData>>&& aData,
     74      const VideoDecoderConfigInternal& aConfig) override;
     75 };
     76 
     77 }  // namespace mozilla::dom
     78 
     79 #endif  // mozilla_dom_VideoDecoder_h