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AudioDecoder.h (2449B)

      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_AudioDecoder_h
      8 #define mozilla_dom_AudioDecoder_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/AudioData.h"
     15 #include "mozilla/dom/BindingDeclarations.h"
     16 #include "mozilla/dom/DecoderTemplate.h"
     17 #include "mozilla/dom/DecoderTypes.h"
     18 #include "mozilla/dom/RootedDictionary.h"
     19 #include "nsCycleCollectionParticipant.h"
     20 #include "nsWrapperCache.h"
     21 
     22 class nsIGlobalObject;
     23 
     24 namespace mozilla {
     25 
     26 namespace dom {
     27 
     28 class AudioDataOutputCallback;
     29 class EncodedAudioChunk;
     30 class EncodedAudioChunkData;
     31 class EventHandlerNonNull;
     32 class GlobalObject;
     33 class Promise;
     34 class WebCodecsErrorCallback;
     35 struct AudioDecoderConfig;
     36 struct AudioDecoderInit;
     37 
     38 }  // namespace dom
     39 
     40 }  // namespace mozilla
     41 
     42 namespace mozilla::dom {
     43 
     44 class AudioDecoder final : public DecoderTemplate<AudioDecoderTraits> {
     45 public:
     46  NS_DECL_ISUPPORTS_INHERITED
     47  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioDecoder, DOMEventTargetHelper)
     48 
     49 public:
     50  AudioDecoder(nsIGlobalObject* aParent,
     51               RefPtr<WebCodecsErrorCallback>&& aErrorCallback,
     52               RefPtr<AudioDataOutputCallback>&& aOutputCallback);
     53 
     54 protected:
     55  ~AudioDecoder();
     56 
     57 public:
     58  JSObject* WrapObject(JSContext* aCx,
     59                       JS::Handle<JSObject*> aGivenProto) override;
     60 
     61  static already_AddRefed<AudioDecoder> Constructor(
     62      const GlobalObject& aGlobal, const AudioDecoderInit& aInit,
     63      ErrorResult& aRv);
     64 
     65  static already_AddRefed<Promise> IsConfigSupported(
     66      const GlobalObject& aGlobal, const AudioDecoderConfig& aConfig,
     67      ErrorResult& aRv);
     68 
     69 protected:
     70  virtual already_AddRefed<MediaRawData> InputDataToMediaRawData(
     71      UniquePtr<EncodedAudioChunkData>&& aData, TrackInfo& aInfo,
     72      const AudioDecoderConfigInternal& aConfig) override;
     73 
     74  virtual nsTArray<RefPtr<AudioData>> DecodedDataToOutputType(
     75      nsIGlobalObject* aGlobalObject, const nsTArray<RefPtr<MediaData>>&& aData,
     76      const AudioDecoderConfigInternal& aConfig) override;
     77 };
     78 
     79 }  // namespace mozilla::dom
     80 
     81 #endif  // mozilla_dom_AudioDecoder_h